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Cheap flights from Baltimore to Ontario from C$ 167

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Baltimore to Ontario

Keep the following information in mind while searching for Baltimore to Ontario flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 384

One-way from

C$ 167

Popular in

February

Cheapest in

April

Average price

C$ 362
6/8-16/8
  • 6/8-16/8
  • 2 total stops
  • 42h 41m total
  • Baltimore to Ontario
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Delta
  • Delta
  • 5/7
  • 1 total stop
  • 4h 44m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Ontario

Cheapest flights from Baltimore to Ontario
Explore the most affordable flight options available from Baltimore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Wed 6/811:14 a.m.BWI - YYZ
1 stop26h 51mMultiple Airlines
Sat 16/86:30 a.m.YYZ - BWI
1 stop15h 50mMultiple Airlines
Deal found 9/6C$ 384
Sat 19/77:10 a.m.BWI - YTZ
1 stop6h 54mMultiple Airlines
Mon 21/73:00 p.m.YTZ - BWI
1 stop7h 21mMultiple Airlines
Deal found 12/6C$ 403
Sat 19/76:00 a.m.BWI - YYZ
1 stop8h 45mDelta
Mon 21/71:20 p.m.YYZ - BWI
1 stop9h 28mDelta
Deal found 10/6C$ 410
Thu 24/76:25 p.m.BWI - YUL
1 stop5h 30mDelta
Mon 28/77:00 a.m.YUL - BWI
1 stop10h 19mDelta
Deal found 10/6C$ 468
Tue 24/66:00 a.m.BWI - YYZ
1 stop8h 41mWestJet
Tue 24/66:05 p.m.YYZ - BWI
1 stop5h 14mWestJet
Deal found 9/6C$ 492
Fri 11/79:39 a.m.BWI - YUL
2 stops14h 58mMultiple Airlines
Mon 14/710:45 a.m.YUL - BWI
2 stops11h 36mMultiple Airlines
Deal found 12/6C$ 496
Thu 25/912:17 p.m.BWI - YUL
1 stop24h 21mSun Country Air
Sun 28/99:45 a.m.YUL - BWI
1 stop25h 35mSun Country Air
Deal found 10/6C$ 526
Wed 9/78:40 a.m.BWI - YOW
1 stop8h 26mMultiple Airlines
Thu 17/75:00 p.m.YOW - BWI
1 stop5h 21mMultiple Airlines
Deal found 10/6C$ 532
Tue 24/65:40 a.m.BWI - YUL
1 stop11h 59mWestJet
Wed 25/66:20 a.m.YUL - BWI
1 stop17h 28mWestJet
Deal found 10/6C$ 570
Tue 30/96:00 a.m.BWI - YUL
2 stops16h 32mAmerican Airlines
Thu 2/1012:30 p.m.YUL - BWI
1 stop11h 17mAmerican Airlines
Deal found 10/6C$ 734
Mon 23/61:34 p.m.BWI - YOW
2 stops10h 48mWestJet
Wed 25/65:55 a.m.YOW - BWI
2 stops17h 53mWestJet
Deal found 11/6C$ 1,050
Thu 3/76:15 a.m.BWI - YOW
1 stop15h 20mUnited Airlines
Sun 6/75:15 a.m.YOW - BWI
2 stops28h 48mUnited Airlines
Deal found 10/6C$ 1,177

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Ontario 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.

Fly from

Baltimore

Fly to

Ontario

Route

Depart

Return

Price

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 6/8

11:14 a.m.-2:05 p.m.

1 stop26h 51m

Toronto Pearson Intl

Sat 16/8

6:30 a.m.-10:20 p.m.

1 stop15h 50m

C$ 384

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Sat 19/7

7:10 a.m.-2:04 p.m.

1 stop6h 54m

Toronto Island

Mon 21/7

3:00 p.m.-10:21 p.m.

1 stop7h 21m

C$ 403

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 19/7

6:00 a.m.-2:45 p.m.

1 stop8h 45m

Toronto Pearson Intl

Mon 21/7

1:20 p.m.-10:48 p.m.

1 stop9h 28m

C$ 410

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 24/7

6:25 p.m.-11:55 p.m.

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 28/7

7:00 a.m.-5:19 p.m.

1 stop10h 19m

C$ 468

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 24/6

6:00 a.m.-2:41 p.m.

1 stop8h 41m

Toronto Pearson Intl

Tue 24/6

6:05 p.m.-11:19 p.m.

1 stop5h 14m

C$ 492

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 11/7

9:39 a.m.-12:37 a.m.

2 stops14h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

10:45 a.m.-10:21 p.m.

2 stops11h 36m

C$ 496

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 25/9

12:17 p.m.-12:38 p.m.

1 stop24h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

9:45 a.m.-11:20 a.m.

1 stop25h 35m

C$ 526

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 9/7

8:40 a.m.-5:06 p.m.

1 stop8h 26m

Ottawa

Thu 17/7

5:00 p.m.-10:21 p.m.

1 stop5h 21m

C$ 532

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 24/6

5:40 a.m.-5:39 p.m.

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 25/6

6:20 a.m.-11:48 p.m.

1 stop17h 28m

C$ 570

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 30/9

6:00 a.m.-10:32 p.m.

2 stops16h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

12:30 p.m.-11:47 p.m.

1 stop11h 17m

C$ 734

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 29 results
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Best time to book a flight from Baltimore to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Ontario

What is the cheapest month to book a flight from Baltimore to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 167). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 255). 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.

What is the cheapest time of day to fly from BWI to ON?

Find hourly flight availability from Baltimore to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Region of Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 12 June 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Baltimore to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Ontario. 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 Baltimore to Ontario?

    If you book a flight to Ontario from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 13.7 km from the centre of Baltimore.

  • What are the cheapest airlines to fly from Baltimore to Region of Ontario one-way?

    C$ 167 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on WestJet and Sun Country Air, with prices starting from C$ 217 and C$ 245, respectively.

  • What are the most popular routes from Baltimore to Region of Ontario?

    While some choose either Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Toronto Island, Baltimore/Washington - Toronto Pearson Intl is the most popular route from Baltimore to Region of Ontario.

  • Can I find deals for flights from Baltimore to Ontario that include hotel bookings?

    Yes. In addition to deals on Baltimore to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Ontario?

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

  • Can I find deals for business class flights from Baltimore to Ontario?

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

  • What is the cheapest month to book a flight from Baltimore to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 167). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 255). 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.

See more FAQs

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Alternative routes for Baltimore to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
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Reagan-National to Winnipeg flights
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Top airline flying from Baltimore to Ontario

Discover the top airline that operate flights from Baltimore to Ontario. 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 465AverageC$ 624FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Baltimore to Ontario?

Deals for Baltimore to Ontario 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 Baltimore to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Baltimore to Ontario.

Can Cheapflights find flights from Baltimore to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Baltimore to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Baltimore to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Baltimore today and book when prices fit your budget.

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