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Cheap flights from Baltimore to Ontario from C$ 217

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
14 Jul — 21 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Ontario

Enter your travel dates to find the best prices.

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 14 June 2026.

Tue 28/71:05 p.m.
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Sun 2/87:30 a.m.
YYZ
-
BWI
1 stop28h 40m
Multiple Airlines
Deal found 12/6C$ 488
Fri 7/81:05 p.m.
BWI
-
YYZ
1 stop25h 00m
Multiple Airlines
Tue 11/86:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 12/6C$ 490
Mon 21/912:02 p.m.
BWI
-
YTZ
1 stop5h 58m
Multiple Airlines
Wed 23/91:40 p.m.
YTZ
-
BWI
1 stop21h 27m
Multiple Airlines
Deal found 12/6C$ 501
Thu 24/912:02 p.m.
BWI
-
YTZ
1 stop5h 58m
Multiple Airlines
Sun 27/98:40 p.m.
YTZ
-
BWI
1 stop14h 27m
Multiple Airlines
Deal found 13/6C$ 502
Mon 6/71:05 p.m.
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Thu 16/76:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 9/6C$ 513
Wed 23/99:24 a.m.
BWI
-
YTZ
2 stops24h 16m
Multiple Airlines
Sun 27/98:40 p.m.
YTZ
-
BWI
1 stop14h 27m
Multiple Airlines
Deal found 11/6C$ 515
Tue 28/71:05 p.m.
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Tue 4/86:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 13/6C$ 516
Mon 6/71:05 p.m.
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Tue 14/76:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 12/6C$ 522
Mon 6/71:05 p.m.
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Mon 13/79:30 a.m.
YYZ
-
BWI
1 stop26h 40m
Multiple Airlines
Deal found 9/6C$ 527
Thu 9/79:28 p.m.
BWI
-
YYZ
2 stops19h 41m
Multiple Airlines
Tue 14/76:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 12/6C$ 529
Tue 7/76:25 a.m.
BWI
-
YYZ
1 stop13h 40m
Multiple Airlines
Tue 14/76:30 a.m.
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Deal found 9/6C$ 532
Sun 2/81:05 p.m.
BWI
-
YYZ
2 stops30h 39m
Multiple Airlines
Thu 6/87:45 a.m.
YYZ
-
BWI
1 stop16h 38m
Multiple Airlines
Deal found 9/6C$ 536

Find flight deals from Baltimore to Ontario

Keep the following information in mind while searching for Baltimore to Ontario flight deals. Data was last updated 14 June 2026.

Round-trip from

C$ 488

One-way from

C$ 217

Popular in

May

Cheapest in

January

Average price

C$ 392
28/7-2/8
  • 28/7-2/8
  • 2 total stops
  • 56h 30m total
  • Baltimore to Ontario
Search Deals
10/8
  • 10/8
  • 1 total stop
  • 25h 00m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 14 June 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 21/9

6:15 a.m.-1:34 p.m.

1 stop7h 19m

Toronto Pearson Intl

Wed 23/9

12:08 p.m.-4:55 p.m.

1 stop4h 47m

C$ 676

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 24/9

12:02 p.m.-6:00 p.m.

1 stop5h 58m

Toronto Island

Sun 27/9

10:05 a.m.-12:11 a.m.

2 stops14h 06m

C$ 687
Quickest round-trip

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 4/7

6:08 a.m.-1:34 p.m.

1 stop7h 26m

Toronto Pearson Intl

Sat 12/9

12:15 p.m.-3:51 p.m.

1 stop3h 36m

C$ 691

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 18/9

5:00 p.m.-11:57 p.m.

1 stop6h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

12:44 p.m.-7:35 p.m.

1 stop6h 51m

C$ 692

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 3/7

5:32 p.m.-11:02 p.m.

1 stop5h 30m

Toronto Pearson Intl

Mon 6/7

4:10 p.m.-11:18 p.m.

1 stop7h 08m

C$ 706

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 30/6

5:32 p.m.-11:02 p.m.

1 stop5h 30m

Toronto Pearson Intl

Sat 4/7

6:05 a.m.-11:47 a.m.

1 stop5h 42m

C$ 706

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 29/6

5:32 p.m.-11:02 p.m.

1 stop5h 30m

Toronto Pearson Intl

Mon 6/7

4:10 p.m.-11:18 p.m.

1 stop7h 08m

C$ 706

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sat 22/8

5:36 p.m.-11:30 p.m.

1 stop5h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

7:00 a.m.-3:46 p.m.

1 stop8h 46m

C$ 722

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 8/7

5:00 p.m.-11:52 p.m.

1 stop6h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

7:00 a.m.-5:15 p.m.

1 stop10h 15m

C$ 722

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 2/7

2:10 p.m.-11:55 p.m.

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

2:29 p.m.-11:18 p.m.

2 stops8h 49m

C$ 736

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 151). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 368). 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?

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.

  • How long is the flight from Baltimore to Region of Ontario?

    For as low as C$ 676, Delta can have you in Region of Ontario from Baltimore in 7h 19m. The distance between Baltimore and Region of Ontario is about 558 km. This flight may include one or multiple stops.

  • 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, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 151). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 368). 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.
Reagan-National to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
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Reagan-National to Toronto Island flights
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Reagan-National to Vancouver Intl flights
Reagan-National to Calgary flights
Baltimore to Calgary flights
Philadelphia to Vancouver Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Baltimore to Toronto Island flights
Philadelphia to Toronto Island flights
Dulles Intl to Québec City flights
Dulles Intl to Ottawa flights
Philadelphia to Calgary flights
Reagan-National to Ottawa flights
Reagan-National to Québec City flights
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Reagan-National to Winnipeg flights
Dulles Intl to Charlottetown flights
Philadelphia to Edmonton flights
Dulles Intl to Kelowna flights
Reagan-National to Edmonton flights
Reagan-National to Victoria flights
Dulles Intl to Victoria 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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