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$137+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Ontario to Baltimore

Keep the following information in mind while searching for Ontario to Baltimore flight deals. Data was last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(Delta)

One-way from

$137
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$240
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
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From Ontario to Baltimore/Washington
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One-way flight from Ontario to Baltimore/Washington
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 22, 2025.

This Delta deal was found by Cheapflights users on 4/20. 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 5/301:25 pmYYZ - BWI
2 stops9h 55mDelta
Mon 6/25:40 amBWI - YYZ
1 stop6h 34mDelta
Deal found 4/20$227
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/311:38 amYYZ - BWI
1 stop23h 09mWestJet
Wed 6/41:52 pmBWI - YYZ
1 stop10h 03mWestJet
Deal found 4/22$269
This Delta deal was found by Cheapflights users on 4/20. 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 5/235:05 pmYUL - BWI
1 stop6h 15mDelta
Mon 5/268:00 amBWI - YUL
1 stop9h 40mDelta
Deal found 4/20$280
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:30 amYYZ - BWI
1 stop28h 29mMultiple Airlines
Sat 6/711:54 amBWI - YYZ
1 stop26h 11mMultiple Airlines
Deal found 4/22$285
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:00 amYUL - BWI
3 stops27h 59mMultiple Airlines
Mon 5/267:57 pmBWI - YUL
3 stops26h 18mMultiple Airlines
Deal found 4/20$304
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/257:55 amYTZ - BWI
1 stop9h 46mMultiple Airlines
Tue 7/16:50 amBWI - YTZ
2 stops12h 47mMultiple Airlines
Deal found 4/22$325
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amYUL - BWI
1 stop6h 10mWestJet
Fri 6/65:15 pmBWI - YUL
1 stop6h 01mWestJet
Deal found 4/21$336
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/154:40 pmYOW - BWI
1 stop4h 41mMultiple Airlines
Mon 5/198:26 amBWI - YOW
1 stop8h 40mMultiple Airlines
Deal found 4/22$373
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:35 pmYYZ - BWI
1 stop15h 38mUnited Airlines
Wed 5/285:30 pmBWI - YYZ
2 stops19h 16mUnited Airlines
Deal found 4/22$464
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:15 amYXU - BWI
2 stops16h 39mUnited Airlines
Fri 6/136:40 amBWI - YXU
2 stops8h 18mUnited Airlines
Deal found 4/22$602
This WestJet deal was found by Cheapflights users on 4/22. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:15 pmYOW - BWI
2 stops25h 28mWestJet
Wed 6/410:15 amBWI - YOW
2 stops19h 10mWestJet
Deal found 4/22$617
This Delta deal was found by Cheapflights users on 4/22. 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 8/45:55 amYOW - BWI
2 stops9h 57mDelta
Thu 8/79:36 amBWI - YOW
2 stops14h 46mDelta
Deal found 4/22$660

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 April 22, 2025.
Use the filters below to find and compare flights from Ontario to Baltimore that are best for you.

Fly from

Ontario

Fly to

Baltimore

Route

Depart

Return

Price

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 5/30

1:25 pm-11:20 pm

2 stops9h 55m

Baltimore/Washington

Mon 6/2

5:40 am-12:14 pm

1 stop6h 34m

$227

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 6/3

11:38 am-10:47 am

1 stop23h 09m

Baltimore/Washington

Wed 6/4

1:52 pm-11:55 pm

1 stop10h 03m

$269

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

5:05 pm-11:20 pm

1 stop6h 15m

Baltimore/Washington

Mon 5/26

8:00 am-5:40 pm

1 stop9h 40m

$280

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Sat 5/24

6:30 am-10:59 am

1 stop28h 29m

Baltimore/Washington

Sat 6/7

11:54 am-2:05 pm

1 stop26h 11m

$285

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

7:00 am-10:59 am

3 stops27h 59m

Baltimore/Washington

Mon 5/26

7:57 pm-10:15 pm

3 stops26h 18m

$304

TorontoBaltimore

YTZ - BWI

YTZBWI

Toronto Island

Wed 6/25

7:55 am-5:41 pm

1 stop9h 46m

Baltimore/Washington

Tue 7/1

6:50 am-7:37 pm

2 stops12h 47m

$325

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Tue 6/3

6:00 am-12:10 pm

1 stop6h 10m

Baltimore/Washington

Fri 6/6

5:15 pm-11:16 pm

1 stop6h 01m

$336

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 5/15

4:40 pm-9:21 pm

1 stop4h 41m

Baltimore/Washington

Mon 5/19

8:26 am-5:06 pm

1 stop8h 40m

$373

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 5/23

6:35 pm-10:13 am

1 stop15h 38m

Baltimore/Washington

Wed 5/28

5:30 pm-12:46 pm

2 stops19h 16m

$464

LondonBaltimore

YXU - BWI

YXUBWI

London

Fri 6/6

6:15 am-10:54 pm

2 stops16h 39m

Baltimore/Washington

Fri 6/13

6:40 am-2:58 pm

2 stops8h 18m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 27 results
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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, August is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $241). Flying from Region of Ontario to Baltimore in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from ON to BWI?

Find hourly flight availability from Ontario to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

When flying from Region of Ontario to Baltimore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Baltimore by month

Plan your trip to Baltimore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

Plan your trip to Baltimore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baltimore, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated April 22, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines and United Airlines from Ontario to Baltimore. 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
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,408 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,813 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Region of Ontario to Baltimore one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $142. However, be on the lookout for offers from WestJet and United Airlines, as they are both options that can get you from Region of Ontario to Baltimore for a low price.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of $241). Flying from Region of Ontario to Baltimore in March is currently the most expensive (average of $290). 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 Ontario to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Pearson Intl to Reagan-National flights
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Top 3 airlines flying from Ontario to Baltimore

Discover the top 3 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$374FlexibilityNo cancel feeOn-time67%
DeltaCheapest$222Average$280FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$404FlexibilityNo cancel feeOn-time60%

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