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$172+ Cheap flights from Ontario to Baltimore (BWI)

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Ontario to Baltimore

Cheapest flights from Ontario to Baltimore
Explore the most affordable flight options available from Ontario to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:45 am
YYZ
-
BWI
1 stop16h 38m
Multiple Airlines
Tue 8/188:17 pm
BWI
-
YYZ
1 stop23h 48m
Multiple Airlines
Deal found 6/10$371
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:30 am
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Tue 7/141:05 pm
BWI
-
YYZ
1 stop27h 50m
Multiple Airlines
Deal found 6/9$375
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:45 am
YYZ
-
BWI
1 stop10h 47m
Multiple Airlines
Tue 9/88:17 pm
BWI
-
YYZ
1 stop18h 13m
Multiple Airlines
Deal found 6/9$387
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:10 pm
YYZ
-
BWI
1 stop4h 51m
Delta
Sun 9/206:15 am
BWI
-
YYZ
1 stop7h 19m
Delta
Deal found 6/11$388
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:50 am
YYZ
-
BWI
1 stop23h 04m
Multiple Airlines
Mon 7/131:05 pm
BWI
-
YYZ
1 stop7h 50m
Multiple Airlines
Deal found 6/10$389
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:45 am
YYZ
-
BWI
1 stop16h 38m
Multiple Airlines
Sun 8/231:10 pm
BWI
-
YYZ
1 stop27h 45m
Multiple Airlines
Deal found 6/11$393
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:30 am
YYZ
-
BWI
1 stop26h 40m
Multiple Airlines
Sun 7/191:05 pm
BWI
-
YYZ
2 stops28h 04m
Multiple Airlines
Deal found 6/8$394
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:09 pm
YYZ
-
BWI
1 stop4h 40m
Delta
Wed 9/306:15 am
BWI
-
YYZ
1 stop5h 03m
Delta
Deal found 6/10$395
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
YUL
-
BWI
1 stop8h 46m
Delta
Wed 9/910:00 am
BWI
-
YUL
2 stops8h 53m
Delta
Deal found 6/10$396
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
YYZ
-
BWI
2 stops17h 18m
WestJet
Tue 9/86:19 am
BWI
-
YYZ
1 stop16h 39m
WestJet
Deal found 6/9$400
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:14 pm
YYZ
-
BWI
1 stop5h 04m
Delta
Sat 7/45:32 pm
BWI
-
YYZ
1 stop5h 30m
Delta
Deal found 6/10$403
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
YUL
-
BWI
1 stop6h 05m
Delta
Wed 9/910:00 am
BWI
-
YUL
2 stops8h 53m
Delta
Deal found 6/10$403

Find flight deals from Ontario to Baltimore

Keep the following information in mind while searching for Ontario to Baltimore flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$357
(Kiwi.com)

One-way from

$172
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$263
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
Search Deals
From Ontario to Baltimore/Washington
Search Deals
One-way flight from Ontario to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 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 Ontario to Baltimore 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 2,558,603 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Ontario to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 9/18

6:10 pm-11:01 pm

1 stop4h 51m

Baltimore/Washington

Sun 9/20

6:15 am-1:34 pm

1 stop7h 19m

$388
Quickest round-trip

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 9/3

12:09 pm-4:49 pm

1 stop4h 40m

Baltimore/Washington

Wed 9/30

6:15 am-11:18 am

1 stop5h 03m

$395

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 9/25

7:00 am-5:38 pm

1 stop10h 38m

Baltimore/Washington

Wed 9/30

9:45 am-6:53 pm

2 stops9h 08m

$396

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 7/4

6:05 am-11:47 am

1 stop5h 42m

Baltimore/Washington

Mon 7/6

5:32 pm-11:02 pm

1 stop5h 30m

$403

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 7/1

6:14 pm-11:18 pm

1 stop5h 04m

Baltimore/Washington

Wed 7/8

5:27 pm-11:02 pm

1 stop5h 35m

$403

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

6:00 am-11:42 am

1 stop5h 42m

Baltimore/Washington

Sat 8/29

2:18 pm-11:52 pm

1 stop9h 34m

$410

TorontoBaltimore

YTZ - BWI

YTZBWI

Toronto Island

Sat 10/10

1:40 pm-10:14 am

1 stop20h 34m

Baltimore/Washington

Mon 10/19

11:09 am-6:00 pm

1 stop6h 51m

$411

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 7/10

7:00 am-1:01 pm

1 stop6h 01m

Baltimore/Washington

Tue 7/14

5:00 pm-11:52 pm

1 stop6h 52m

$411

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Thu 8/13

7:00 am-1:05 pm

1 stop6h 05m

Baltimore/Washington

Mon 8/17

6:00 am-6:54 pm

2 stops12h 54m

$411

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 7/9

12:09 pm-4:41 pm

1 stop4h 32m

Baltimore/Washington

Thu 7/23

6:08 am-11:02 pm

1 stop16h 54m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Ontario 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 Ontario to Baltimore

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $137). Flying from Region of Ontario to Baltimore in April is currently the most expensive (average of $431). 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 Region of Ontario to Baltimore?

Related info for your journey

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

    If you book a flight to Baltimore from Ontario, you will be flying to Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore.

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

    For as low as $388, Delta can have you in Baltimore from Region of Ontario in 4h 51m. The distance between Region of Ontario and Baltimore is about 347 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from Region of Ontario to Baltimore is Toronto Pearson Intl - Baltimore/Washington. You may also consider Montreal Pierre Elliott Trudeau Intl - Baltimore/Washington or Toronto Island - Baltimore/Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Baltimore 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 Region of Ontario to Baltimore?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $137). Flying from Region of Ontario to Baltimore in April is currently the most expensive (average of $431). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Ontario to Baltimore

Discover the top 2 airlines that operate flights from Ontario to Baltimore. 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 2,558,603 searches. Data last updated June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$389Average$559FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$498Average$622FlexibilityNo cancel feeOn-time60%

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