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$164+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/146:30 am
YYZ
-
BWI
2 stops25h 06m
Multiple Airlines
Tue 7/217:27 pm
BWI
-
YYZ
1 stop21h 18m
Multiple Airlines
Deal found 5/7$376
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Tue 8/49:50 am
YYZ
-
BWI
1 stop23h 14m
Multiple Airlines
Tue 8/111:10 pm
BWI
-
YYZ
1 stop27h 45m
Multiple Airlines
Deal found 5/8$377
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/146:30 am
YYZ
-
BWI
1 stop29h 45m
Multiple Airlines
Sun 7/191:10 pm
BWI
-
YYZ
2 stops30h 34m
Multiple Airlines
Deal found 5/7$381
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Thu 8/69:50 am
YYZ
-
BWI
1 stop23h 14m
Multiple Airlines
Tue 8/111:10 pm
BWI
-
YYZ
1 stop27h 45m
Multiple Airlines
Deal found 5/8$383
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/146:30 am
YYZ
-
BWI
2 stops25h 06m
Multiple Airlines
Mon 7/209:28 pm
BWI
-
YYZ
1 stop22h 37m
Multiple Airlines
Deal found 5/7$386
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/306:30 am
YYZ
-
BWI
1 stop29h 43m
Multiple Airlines
Fri 7/39:30 pm
BWI
-
YYZ
1 stop19h 15m
Multiple Airlines
Deal found 5/9$390
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/146:30 am
YYZ
-
BWI
1 stop29h 45m
Multiple Airlines
Thu 7/239:28 pm
BWI
-
YYZ
2 stops19h 41m
Multiple Airlines
Deal found 5/7$391
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/167:45 am
YYZ
-
BWI
1 stop10h 47m
Multiple Airlines
Wed 7/221:10 pm
BWI
-
YYZ
1 stop24h 55m
Multiple Airlines
Deal found 5/5$396
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Wed 5/275:50 pm
YYZ
-
BWI
2 stops13h 53m
Multiple Airlines
Wed 6/33:26 pm
BWI
-
YYZ
1 stop25h 19m
Multiple Airlines
Deal found 5/5$397
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:00 am
YUL
-
BWI
1 stop10h 19m
Delta
Wed 7/85:00 pm
BWI
-
YUL
1 stop6h 52m
Delta
Deal found 5/8$434
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
YUL
-
BWI
1 stop10h 19m
Delta
Wed 6/175:40 am
BWI
-
YUL
1 stop6h 03m
Delta
Deal found 5/8$435
This Delta deal was found by Cheapflights users on 5/5. 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 6/46:51 pm
YUL
-
BWI
1 stop6h 06m
Delta
Sat 6/65:26 pm
BWI
-
YUL
1 stop5h 47m
Delta
Deal found 5/5$436

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Kiwi.com)

One-way from

$164
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$291
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 ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

Sat 7/11

2:24 pm-11:18 pm

1 stop8h 54m

Baltimore/Washington

Mon 7/13

6:20 pm-11:58 pm

1 stop5h 38m

$424

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 7/29

7:00 am-1:57 pm

1 stop6h 57m

Baltimore/Washington

Sun 8/2

6:15 am-11:49 am

1 stop5h 34m

$424

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sun 6/28

2:45 pm-12:28 am

1 stop9h 43m

Baltimore/Washington

Wed 7/1

8:16 am-11:59 pm

1 stop15h 43m

$424

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 9/18

6:15 am-11:10 am

1 stop4h 55m

Baltimore/Washington

Sun 9/20

6:00 am-12:15 pm

1 stop6h 15m

$425

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 8/4

7:45 am-5:15 pm

1 stop9h 30m

Baltimore/Washington

Sat 8/8

11:04 am-11:04 pm

2 stops12h 00m

$425

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 7/11

11:00 am-5:36 pm

1 stop6h 36m

Baltimore/Washington

Mon 7/13

8:16 am-3:46 pm

1 stop7h 30m

$426

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 9/4

11:00 am-5:29 pm

1 stop6h 29m

Baltimore/Washington

Mon 9/7

7:04 pm-11:59 pm

1 stop4h 55m

$426

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 7/1

6:14 pm-11:18 pm

1 stop5h 04m

Baltimore/Washington

Fri 7/17

5:00 pm-11:58 pm

1 stop6h 58m

$426

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 6/10

1:00 pm-12:33 am

1 stop11h 33m

Baltimore/Washington

Sun 6/14

8:25 am-5:56 pm

1 stop9h 31m

$426

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 10/9

1:30 pm-10:37 pm

1 stop9h 07m

Baltimore/Washington

Sun 10/11

6:00 am-1:25 pm

2 stops7h 25m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

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

How far ahead should I book a flight from Region of Ontario to Baltimore?

The best time to book flights from Region of Ontario to Baltimore is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $122). Flying from Region of Ontario to Baltimore in February is currently the most expensive (average of $245). 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 $424, Delta can have you in Baltimore from Region of Ontario in 6h 57m. 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 Ottawa - 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, August is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $122). Flying from Region of Ontario to Baltimore in February is currently the most expensive (average of $245). 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$340Average$576FlexibilityNo cancel feeOn-time60%
DeltaCheapest$389Average$549FlexibilityNo cancel feeOn-timeN/A

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