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$168+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
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 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/30. 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 9/111:30 pm
YYZ
-
BWI
1 stop23h 30m
Multiple Airlines
Wed 9/161:55 pm
BWI
-
YYZ
1 stop27h 00m
Multiple Airlines
Deal found 6/30$336
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/186:30 am
YYZ
-
BWI
1 stop29h 55m
Multiple Airlines
Wed 8/261:20 pm
BWI
-
YYZ
1 stop24h 45m
Multiple Airlines
Deal found 6/27$349
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/111:30 pm
YYZ
-
BWI
1 stop23h 30m
Multiple Airlines
Tue 9/151:55 pm
BWI
-
YYZ
1 stop27h 00m
Multiple Airlines
Deal found 6/29$350
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/116:30 am
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Thu 9/101:55 pm
BWI
-
YYZ
1 stop31h 00m
Multiple Airlines
Deal found 6/27$354
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 8/109:30 am
YYZ
-
BWI
1 stop26h 40m
Multiple Airlines
Mon 8/171:05 pm
BWI
-
YYZ
1 stop25h 00m
Multiple Airlines
Deal found 6/26$358
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/116:30 am
YYZ
-
BWI
1 stop29h 40m
Multiple Airlines
Tue 8/181:20 pm
BWI
-
YYZ
1 stop27h 35m
Multiple Airlines
Deal found 6/27$362
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 9/137:30 am
YYZ
-
BWI
1 stop29h 30m
Multiple Airlines
Sun 9/201:55 pm
BWI
-
YYZ
1 stop31h 00m
Multiple Airlines
Deal found 6/29$370
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/247:00 am
YOW
-
BWI
1 stop13h 43m
Multiple Airlines
Sat 7/256:25 am
BWI
-
YOW
1 stop8h 10m
Multiple Airlines
Deal found 6/28$385
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/47:00 am
YOW
-
BWI
1 stop27h 24m
Multiple Airlines
Mon 9/76:24 am
BWI
-
YOW
1 stop17h 24m
Multiple Airlines
Deal found 6/28$396
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 8/118:50 am
YTZ
-
BWI
2 stops13h 09m
Multiple Airlines
Thu 9/1012:02 pm
BWI
-
YTZ
1 stop5h 58m
Multiple Airlines
Deal found 6/27$397
This Delta deal was found by Cheapflights users on 6/26. 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 12/239:28 am
YUL
-
BWI
2 stops13h 20m
Delta
Sun 12/272:10 pm
BWI
-
YUL
1 stop9h 41m
Delta
Deal found 6/26$397
This Delta deal was found by Cheapflights users on 6/28. 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 10/76:50 pm
YUL
-
BWI
1 stop5h 36m
Delta
Tue 10/136:10 pm
BWI
-
YUL
1 stop5h 49m
Delta
Deal found 6/28$398

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 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(Kiwi.com)

One-way from

$168
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$255
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. 12% potential increase in price ($35 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 30, 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

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 12/23

9:28 am-10:48 pm

2 stops13h 20m

Baltimore/Washington

Sun 12/27

2:10 pm-11:51 pm

1 stop9h 41m

$397

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

7:00 am-12:58 pm

1 stop5h 58m

Baltimore/Washington

Tue 9/15

9:45 am-6:53 pm

2 stops9h 08m

$398

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 10/16

6:50 pm-12:26 am

1 stop5h 36m

Baltimore/Washington

Sun 10/18

4:39 pm-11:59 pm

1 stop7h 20m

$398

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 7/10

9:45 am-4:41 pm

1 stop6h 56m

Baltimore/Washington

Sun 7/12

6:08 am-1:34 pm

1 stop7h 26m

$404

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 7/16

4:10 pm-11:18 pm

1 stop7h 08m

Baltimore/Washington

Sun 7/19

6:08 am-1:34 pm

1 stop7h 26m

$405

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 7/13

6:14 pm-11:18 pm

1 stop5h 04m

Baltimore/Washington

Wed 7/22

6:08 am-1:34 pm

1 stop7h 26m

$405

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 7/10

7:00 am-3:53 pm

1 stop8h 53m

Baltimore/Washington

Sun 7/12

8:17 am-5:42 pm

1 stop9h 25m

$412

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 7/31

7:00 am-5:15 pm

1 stop10h 15m

Baltimore/Washington

Tue 8/4

2:18 pm-11:52 pm

1 stop9h 34m

$413

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

7:00 am-1:05 pm

1 stop6h 05m

Baltimore/Washington

Fri 8/28

2:18 pm-11:52 pm

1 stop9h 34m

$413

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Wed 8/5

6:00 am-11:42 am

1 stop5h 42m

Baltimore/Washington

Sun 8/9

7:00 am-6:54 pm

2 stops11h 54m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 $534, Delta can have you in Baltimore from Region of Ontario in 9h 14m. The distance between Region of Ontario and Baltimore is about 338 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 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$389Average$566FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$498Average$622FlexibilityNo cancel feeOn-time60%

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