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Cheap flights from Baltimore to Ontario from C$ 118

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
3 Aug — 10 Aug1
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 29 July 2025.

Round-trip from

C$ 364

One-way from

C$ 118

Popular in

November

Cheapest in

June

Average price

C$ 392
12/9-14/9
  • 12/9-14/9
  • 3 total stops
  • 37h 10m total
  • Baltimore to Ontario
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13/9
  • 13/9
  • 1 total stop
  • 17h 49m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in July 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 29 July 2025.

Fri 12/95:50 p.m.BWI - YYZ
2 stops20h 15mMultiple Airlines
Sun 14/96:30 a.m.YYZ - BWI
1 stop16h 55mMultiple Airlines
Deal found 29/7C$ 364
Sun 19/109:57 a.m.BWI - YTZ
1 stop10h 05mMultiple Airlines
Wed 22/109:45 a.m.YTZ - BWI
2 stops12h 48mMultiple Airlines
Deal found 27/7C$ 427
Tue 26/86:15 a.m.BWI - YYZ
1 stop5h 38mDelta
Tue 2/91:20 p.m.YYZ - BWI
1 stop7h 55mDelta
Deal found 29/7C$ 442
Wed 10/96:45 a.m.BWI - YUL
1 stop17h 50mMultiple Airlines
Wed 17/96:45 a.m.YUL - BWI
2 stops16h 40mMultiple Airlines
Deal found 27/7C$ 453
Sat 30/86:25 p.m.BWI - YUL
1 stop5h 03mDelta
Sun 31/86:00 a.m.YUL - BWI
1 stop5h 38mDelta
Deal found 28/7C$ 497
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 28/7C$ 528
Wed 10/95:45 a.m.BWI - YOW
2 stops18h 55mMultiple Airlines
Wed 17/97:50 a.m.YOW - BWI
3 stops23h 10mMultiple Airlines
Deal found 27/7C$ 528
Tue 19/85:40 a.m.BWI - YUL
1 stop12h 10mWestJet
Mon 25/86:35 p.m.YUL - BWI
1 stop4h 42mWestJet
Deal found 29/7C$ 543

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 29 July 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

Fri 12/9

5:50 p.m.-2:05 p.m.

2 stops20h 15m

Toronto Pearson Intl

Sun 14/9

6:30 a.m.-11:25 p.m.

1 stop16h 55m

C$ 364

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Sun 19/10

9:57 a.m.-8:02 p.m.

1 stop10h 05m

Toronto Island

Wed 22/10

9:45 a.m.-10:33 p.m.

2 stops12h 48m

C$ 427

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 26/8

9:00 a.m.-4:57 p.m.

1 stop7h 57m

Toronto Pearson Intl

Tue 2/9

2:50 p.m.-11:17 p.m.

1 stop8h 27m

C$ 442

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 10/9

6:45 a.m.-12:35 a.m.

1 stop17h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

6:45 a.m.-11:25 p.m.

2 stops16h 40m

C$ 453

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sat 30/8

6:25 p.m.-11:28 p.m.

1 stop5h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

6:00 a.m.-11:38 a.m.

1 stop5h 38m

C$ 497

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$ 528

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 10/9

5:45 a.m.-12:40 a.m.

2 stops18h 55m

Ottawa

Wed 17/9

7:50 a.m.-7:00 a.m.

3 stops23h 10m

C$ 528

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 19/8

5:40 a.m.-5:50 p.m.

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

6:35 p.m.-11:17 p.m.

1 stop4h 42m

C$ 543

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 13/9

8:16 p.m.-2:05 p.m.

1 stop17h 49m

C$ 118

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Sun 24/8

10:04 a.m.-12:20 p.m.

1 stop26h 16m

C$ 140

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 20 results
1
2

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$ 258). 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.

How much does it cost to fly round-trip from Baltimore to Region of Ontario?

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 29 July 2025.
Read through reviews of airlines operating flights from Baltimore to Ontario, such as Delta,United Airlines, andWestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
2,973 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
333 reviews
Delta
8.0
Very good
7,977 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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$ 182 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$ 207 and C$ 232, 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$ 258). 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
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
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Dulles Intl to Edmonton flights
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Baltimore to Edmonton flights
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Dulles Intl to Hamilton flights
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Dulles Intl to Abbotsford flights
Dulles Intl to Charlottetown flights
Reagan-National to Edmonton flights
Dulles Intl to Victoria flights
Baltimore to Charlottetown flights
Reagan-National to Winnipeg flights
Dulles Intl to Sault Ste Marie flights
Baltimore to Saskatoon flights

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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 467AverageC$ 629FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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 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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