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Cheap flights from St. Louis to Toronto from C$ 154

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YTO
4 May — 11 May1
1 adult
Sat 4/5
Sat 11/5

The best prices from Lambert-St Louis to Toronto are usually found in October or January, booked 61 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from St. Louis to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 April 2024.

Popular in

April

Cheapest in

October

Average price

C$ 775

Round-trip from

C$ 208
High demand for flights, 22% potential price rise
Best time to find cheap flights, 26% potential price drop
Average for round-trip flights in April 2024
From Lambert-St Louis to Toronto (YTO)

What is the cheapest day to fly round-trip from St. Louis to Toronto?

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 86% on the overall cost on flights from St. Louis to Toronto.

How far in advance should I book a flight from St. Louis to Toronto?

Travellers have found it’s best to book a flight 52 days in advance to save up to 181% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Toronto 1-2 weeks in advance for as low as C$ 521, or C$ 765 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Toronto?

The best pricing can be found in the month of October. Prices to Toronto from St. Louis average C$ 603. You can even find prices in October for less than C$ 603, as users have found deals to Toronto from as low as C$ 309. The month of April appears to be one of the more expensive times to travel to Toronto from St. Louis. Flying in the targeted month can save you up to 28%.

When is the cheapest time to fly from St. Louis to Toronto (STL - YTO)?

One of the essential ways to save on airfare from St. Louis to Toronto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 56% on airfare.

Cheap Delta flights from St. Louis to Toronto

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Toronto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
Take a look at some of the lowest-priced Delta flights heading from St. Louis to Toronto. Make sure to double check the flight details before booking.
Thu 6/67:00 a.m.STL - YYZ
1 stop8h 49mDelta
Wed 12/610:15 a.m.YYZ - STL
1 stop8h 56mDelta
Deal found 28/4C$ 679
Wed 12/61:10 p.m.STL - YYZ
1 stop8h 38mDelta
Sun 16/67:55 a.m.YYZ - STL
1 stop13h 59mDelta
Deal found 28/4C$ 681
Wed 12/61:10 p.m.STL - YYZ
1 stop8h 38mDelta
Mon 17/69:45 a.m.YYZ - STL
1 stop4h 41mDelta
Deal found 28/4C$ 709
Thu 13/65:25 p.m.STL - YYZ
1 stop5h 34mDelta
Mon 17/612:31 p.m.YYZ - STL
1 stop5h 30mDelta
Deal found 28/4C$ 759
Thu 6/67:00 a.m.STL - YYZ
1 stop8h 49mDelta
Wed 12/610:15 a.m.YYZ - STL
2 stops11h 22mDelta
Deal found 28/4C$ 780
Thu 13/66:06 a.m.STL - YYZ
2 stops10h 02mDelta
Sun 16/65:58 p.m.YYZ - STL
1 stop3h 39mDelta
Deal found 28/4C$ 895
Tue 7/56:11 a.m.STL - YYZ
1 stop4h 28mDelta
Wed 8/512:30 p.m.YYZ - STL
1 stop5h 52mDelta
Deal found 27/4C$ 1,020
Fri 24/56:12 p.m.STL - YYZ
1 stop3h 34mDelta
Mon 27/56:04 a.m.YYZ - STL
2 stops11h 42mDelta
Deal found 29/4C$ 1,033
Wed 22/512:59 p.m.STL - YYZ
1 stop6h 36mDelta
Wed 29/57:59 a.m.YYZ - STL
2 stops10h 23mDelta
Deal found 28/4C$ 1,063

Cheap WestJet flights from St. Louis to Toronto

Explore cheap flight options specifically provided by WestJet for the route between St. Louis and Toronto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
To aid your search, here are some of the cheapest WestJet flights we've found from St. Louis to Toronto. Make sure to examine the flight information before completing your reservation.
Fri 24/53:27 p.m.STL - YYZ
1 stop7h 30mWestJet
Mon 27/56:34 a.m.YYZ - STL
1 stop16h 18mWestJet
Deal found 29/4C$ 763
Fri 24/56:30 a.m.STL - YYZ
1 stop15h 16mWestJet
Mon 27/512:00 p.m.YYZ - STL
2 stops10h 52mWestJet
Deal found 28/4C$ 782
Sat 3/86:00 a.m.STL - YYZ
1 stop5h 10mWestJet
Mon 12/87:00 p.m.YYZ - STL
2 stops16h 47mWestJet
Deal found 28/4C$ 816
Sat 3/83:24 p.m.STL - YYZ
2 stops13h 21mWestJet
Mon 12/87:00 p.m.YYZ - STL
2 stops16h 47mWestJet
Deal found 28/4C$ 888
Sat 15/65:26 p.m.STL - YYZ
1 stop4h 24mWestJet
Mon 24/610:15 p.m.YYZ - STL
2 stops17h 18mWestJet
Deal found 27/4C$ 894
Sat 29/66:30 a.m.STL - YYZ
1 stop15h 20mWestJet
Sat 6/712:00 p.m.YYZ - STL
2 stops10h 55mWestJet
Deal found 28/4C$ 912

Cheap St. Louis to Toronto flights in April & May 2024

Find cheap flight options from St. Louis to Toronto specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 494,117 searches. Prices were last updated on 29 April 2024.
Scroll through some of the best deals on flights from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Fri 24/54:05 p.m.STL - YYZ
2 stops25h 50mMultiple Airlines
Mon 27/55:15 p.m.YYZ - STL
3 stops17h 24mMultiple Airlines
Deal found 28/4C$ 649
Fri 24/56:30 a.m.STL - YYZ
1 stop15h 16mMultiple Airlines
Mon 27/58:00 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 28/4C$ 663
Fri 24/56:05 p.m.STL - YYZ
3 stops27h 30mMultiple Airlines
Mon 27/55:15 p.m.YYZ - STL
3 stops17h 24mMultiple Airlines
Deal found 28/4C$ 685
Wed 22/53:15 p.m.STL - YYZ
1 stop21h 30mUnited Airlines
Sun 26/57:55 a.m.YYZ - STL
1 stop12h 47mUnited Airlines
Deal found 28/4C$ 730
Wed 22/57:45 a.m.STL - YYZ
1 stop8h 52mAmerican Airlines
Wed 29/57:00 a.m.YYZ - STL
1 stop9h 32mAmerican Airlines
Deal found 28/4C$ 735
Thu 30/55:04 a.m.STL - YYZ
1 stop5h 01mAmerican Airlines
Mon 3/66:00 a.m.YYZ - STL
1 stop10h 28mAmerican Airlines
Deal found 28/4C$ 754
Fri 24/53:27 p.m.STL - YYZ
1 stop7h 30mWestJet
Mon 27/56:34 a.m.YYZ - STL
1 stop16h 18mWestJet
Deal found 29/4C$ 763
Thu 30/511:38 a.m.STL - YYZ
1 stop7h 14mUnited Airlines
Mon 3/62:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 28/4C$ 765
Fri 24/56:30 a.m.STL - YYZ
1 stop15h 16mWestJet
Mon 27/512:00 p.m.YYZ - STL
2 stops10h 52mWestJet
Deal found 28/4C$ 782

St. Louis to Toronto 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Toronto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
Scroll through some of the best deals on flights from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Thu 13/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Sun 23/67:30 a.m.YYZ - STL
1 stop10h 55mMultiple Airlines
Deal found 28/4C$ 482
Wed 19/61:55 p.m.STL - YYZ
2 stops15h 50mMultiple Airlines
Mon 24/64:00 p.m.YYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 28/4C$ 555
Wed 19/61:55 p.m.STL - YYZ
3 stops27h 05mMultiple Airlines
Mon 24/64:00 p.m.YYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 28/4C$ 574
Wed 5/67:29 p.m.STL - YYZ
1 stop10h 13mMultiple Airlines
Mon 10/610:35 a.m.YYZ - STL
1 stop7h 41mMultiple Airlines
Deal found 28/4C$ 584
Wed 19/61:55 p.m.STL - YYZ
1 stop15h 48mMultiple Airlines
Mon 24/64:00 p.m.YYZ - STL
2 stops19h 57mMultiple Airlines
Deal found 28/4C$ 593
Thu 13/68:12 p.m.STL - YYZ
1 stop17h 16mMultiple Airlines
Sun 23/67:30 a.m.YYZ - STL
1 stop10h 55mMultiple Airlines
Deal found 28/4C$ 603
Thu 13/612:15 p.m.STL - YYZ
3 stops24h 45mMultiple Airlines
Sun 23/67:30 a.m.YYZ - STL
1 stop10h 55mMultiple Airlines
Deal found 28/4C$ 648
Fri 24/54:05 p.m.STL - YYZ
2 stops25h 50mMultiple Airlines
Mon 27/55:15 p.m.YYZ - STL
3 stops17h 24mMultiple Airlines
Deal found 28/4C$ 649
Fri 24/56:30 a.m.STL - YYZ
1 stop15h 16mMultiple Airlines
Mon 27/58:00 p.m.YYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 28/4C$ 663

Direct flights to Toronto from St. Louis

Discover non-stop flight options from St. Louis to Toronto. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
Take a look at some of the direct flights travelling from St. Louis to Toronto in the near future. Select from other flights from St. Louis to Toronto by using the search form above.
Mon 15/710:10 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Mon 22/72:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 29/4C$ 753
Sat 3/810:10 a.m.STL - YYZ
Nonstop1h 59mUnited Airlines
Mon 19/82:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 28/4C$ 780
Sat 18/59:50 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Sat 25/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 824
Wed 19/611:00 a.m.STL - YYZ
Nonstop1h 59mAir Canada
Mon 24/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 928
Thu 13/64:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Mon 17/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 1,028
Wed 22/59:50 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Wed 29/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 1,055
Sun 9/69:50 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Mon 17/66:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 27/4C$ 1,091
Fri 24/59:50 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Mon 27/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 1,099
Thu 6/64:05 p.m.STL - YYZ
Nonstop2h 01mAir Canada
Wed 12/62:15 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 28/4C$ 1,158

St. Louis to Toronto flights leaving soon

Find last-minute flight options from St. Louis to Toronto for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
Check out these flights departing soon from St. Louis to Toronto. It's wise to confirm all flight details are correct before booking.
Tue 7/55:50 p.m.STL - YYZ
Nonstop2h 05mUnited Airlines
Wed 8/57:59 a.m.YYZ - STL
1 stop8h 47mUnited Airlines
Deal found 27/4C$ 1,007
Tue 7/59:50 a.m.STL - YYZ
Nonstop2h 01mAir Canada
Wed 8/56:55 p.m.YYZ - STL
Nonstop2h 06mAir Canada
Deal found 27/4C$ 1,018
Tue 7/56:11 a.m.STL - YYZ
1 stop4h 28mDelta
Wed 8/512:30 p.m.YYZ - STL
1 stop5h 52mDelta
Deal found 27/4C$ 1,020
Tue 7/53:15 p.m.STL - YYZ
1 stop4h 28mUnited Airlines
Wed 8/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 28/4C$ 1,190
Tue 7/58:05 a.m.STL - YYZ
1 stop5h 47mUnited Airlines
Wed 8/511:00 a.m.YYZ - STL
1 stop5h 46mUnited Airlines
Deal found 28/4C$ 1,211
Tue 7/59:50 a.m.STL - YYZ
Nonstop2h 01mUnited Airlines
Wed 8/52:15 p.m.YYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 28/4C$ 1,222

One-way flights to Toronto from St. Louis

Search for one-way flight options from St. Louis to Toronto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
Users travelling one-way from St. Louis to Toronto can select one of these great deals. Users in need of a round-trip flight from St. Louis to Toronto instead should update the search form at the top of page.
Tue 4/62:12 p.m.STL - YYZ
1 stop15h 23mMultiple Airlines
Deal found 27/4C$ 154
Tue 28/510:34 a.m.STL - YYZ
1 stop9h 41mMultiple Airlines
Deal found 28/4C$ 172
Wed 29/511:36 a.m.STL - YYZ
2 stops17h 36mMultiple Airlines
Deal found 28/4C$ 249
Thu 30/57:45 a.m.STL - YYZ
2 stops12h 15mMultiple Airlines
Deal found 28/4C$ 282
Tue 4/67:45 a.m.STL - YYZ
2 stops10h 50mMultiple Airlines
Deal found 27/4C$ 287
Mon 27/59:45 a.m.STL - YYZ
3 stops34h 30mMultiple Airlines
Deal found 28/4C$ 313
Wed 29/511:36 a.m.STL - YYZ
1 stop9h 24mMultiple Airlines
Deal found 28/4C$ 314
Thu 30/56:00 a.m.STL - YYZ
1 stop13h 35mDelta
Deal found 28/4C$ 323
Sun 19/57:00 a.m.STL - YYZ
1 stop8h 49mDelta
Deal found 28/4C$ 333

Find flights from St. Louis to Toronto within your budget

Customize your flight search to find flights from St. Louis to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 482 - C$ 763

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 13/6

2 stops10h 50m

Toronto Pearson Intl

Sun 23/6

1 stop10h 55m

C$ 482

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 19/6

2 stops15h 50m

Toronto Pearson Intl

Mon 24/6

3 stops23h 23m

C$ 555

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 19/6

3 stops27h 05m

Toronto Pearson Intl

Mon 24/6

3 stops23h 23m

C$ 574

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/6

1 stop8h 49m

Toronto Pearson Intl

Wed 12/6

1 stop8h 56m

C$ 679

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 12/6

1 stop8h 38m

Toronto Pearson Intl

Sun 16/6

1 stop13h 59m

C$ 681

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 22/8

1 stop21h 48m

Toronto Pearson Intl

Mon 26/8

1 stop14h 07m

C$ 718

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 22/5

1 stop8h 52m

Toronto Pearson Intl

Wed 29/5

1 stop9h 32m

C$ 735

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 15/7

Nonstop1h 59m

Toronto Pearson Intl

Mon 22/7

Nonstop2h 06m

C$ 753

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 24/5

1 stop7h 30m

Toronto Pearson Intl

Mon 27/5

1 stop16h 18m

C$ 763

Flights are sorted by cheapest first

Deals found on 28/4

When is the best time to book a flight from St. Louis to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Toronto. Price data was last updated on 28 January 2024.
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Toronto?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Toronto. Price data was last updated on 28 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Toronto flight should consider departing on Friday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Toronto by month

Plan your trip from St. Louis to Toronto by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Toronto is currently C$ 270 while a round-trip flight costs C$ 660. Price data was last updated on 28 April 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Toronto (average of C$ 178). Flying from St. Louis to Toronto in July is currently the most expensive (average of C$ 271). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 250

February

C$ 256

March

C$ 331

April

C$ 295

May

C$ 297

June

C$ 275

July

C$ 370

August

C$ 349

September

C$ 243

October

C$ 260

November

C$ 284

December

C$ 279

Temperature and rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average temperature and rainfall totals by month.

YTO

Temperature

-6 - 21 °C

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated 29 April 2024.
Get a feel of what it's like to fly with Delta, WestJet and United Airlines from St. Louis to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,116 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,913 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.6
Good
2,972 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,202 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,834 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.3

Food

7.3

Crew

8.6

Overall

8.1

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Toronto?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Toronto. On average, Lambert-St Louis has 2 outbound flights to Toronto per day from 1 airline. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

  • Can I find flights from St. Louis to Toronto for under C$ 500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Toronto for under C$ 500. The cheapest flight booked recently is on Multiple Airlines for just C$ 482, but on average you can expect to pay C$ 657.

  • Are there direct flights from St. Louis to Toronto for under C$ 800 on Cheapflights?

    Cheapflights has 15 direct flights from St. Louis to Toronto under C$ 800. A good price for a direct flight from St. Louis to Toronto is less than C$ 1,132.

  • Are there last-minute flights available from St. Louis to Toronto for under C$ 1,100?

    There are currently 6+ open flights from St. Louis to Toronto within the next 7 days for less than C$ 1,100.

  • What are the cheapest airlines flying from St. Louis to Toronto round-trip?

    Our cheapest airline available from St. Louis to Toronto is Delta. Our recent data shows that you can find tickets from as low as C$ 679 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at C$ 718 and C$ 735 round-trip.

  • What are the cheapest airlines to fly from St. Louis to Toronto one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 323. Users have also found prices from C$ 344 and C$ 443 on Air Canada and WestJet, respectively.

  • What are the most reliable airlines from St. Louis to Toronto?

    Consider Air Canada (85%), Jazz (85%) or United Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Toronto.

  • What are the cheapest flights from St. Louis to Toronto?

    While on average a flight from St. Louis to Toronto is generally C$ 396, our data shows the cheapest flight currently is C$ 302. When looking at the most popular route, (Lambert-St Louis - Toronto Pearson Intl), you can expect to pay C$ 482 for that flight.

  • What does STL to YYZ mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Toronto Pearson Intl Airport flight would often be abbreviated as a STL to YYZ flight. Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Toronto that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Toronto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Toronto with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Toronto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Toronto that include hotel bookings?

    Yes. In addition to deals on St. Louis to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Toronto.

  • Can I find deals for business class flights from St. Louis to Toronto?

    Yes. Cheapflights offers flight deals from St. Louis to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Toronto that allow pets onboard?

    Many airlines flying from St. Louis to Toronto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Toronto?

    Yes, you can often find last-minute deals on St. Louis to Toronto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Toronto flight deals updated?

    The St. Louis to Toronto flight deals you see on this page were last updated on 29/4.

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Alternative routes for St. Louis to Toronto
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Toronto

Discover the top airline that operate flights from St. Louis to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 494,117 searches. Data last updated 29 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 281AverageC$ 632FlexibilityNo cancel feeOn-time67%
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Search flights from St. Louis to Toronto by cabin class

Find flights from St. Louis to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to Toronto

Find hourly flight availability from St. Louis to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2024.
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100%of flight departuresAfternoonNoon to 6 pm
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Weekly flight availability from St. Louis to Toronto

Explore weekly flight availability from St. Louis to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2024.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Toronto?

Deals for St. Louis to Toronto flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Toronto?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Toronto with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Toronto with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Toronto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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