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Ontario

$122+ Cheap flights from Baltimore (BWI) to Ontario

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Baltimore to Ontario

Keep the following information in mind while searching for Baltimore to Ontario flight deals. Data was last updated June 12, 2025.

Round-trip from

$281
(Mytrip)

One-way from

$122
(Delta)

Popular in

February

Cheapest in

April

Average price

$265
From Baltimore/Washington to Ontario
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One-way flight from Baltimore/Washington to Ontario
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Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Ontario

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 June 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/611:14 amBWI - YYZ
1 stop26h 51mMultiple Airlines
Sat 8/166:30 amYYZ - BWI
1 stop15h 50mMultiple Airlines
Deal found 6/9$281
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/197:10 amBWI - YTZ
1 stop6h 54mMultiple Airlines
Mon 7/213:00 pmYTZ - BWI
1 stop7h 21mMultiple Airlines
Deal found 6/12$295
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.
Sat 7/196:00 amBWI - YYZ
1 stop8h 45mDelta
Mon 7/211:20 pmYYZ - BWI
1 stop9h 28mDelta
Deal found 6/10$300
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.
Thu 7/246:25 pmBWI - YUL
1 stop5h 30mDelta
Mon 7/287:00 amYUL - BWI
1 stop10h 19mDelta
Deal found 6/11$342
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:00 amBWI - YYZ
1 stop8h 41mWestJet
Tue 6/246:05 pmYYZ - BWI
1 stop5h 14mWestJet
Deal found 6/9$360
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:17 pmBWI - YUL
1 stop24h 21mMultiple Airlines
Sun 9/282:30 pmYUL - BWI
2 stops22h 26mMultiple Airlines
Deal found 6/10$373
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.
Wed 7/98:40 amBWI - YOW
1 stop8h 26mMultiple Airlines
Thu 7/175:00 pmYOW - BWI
1 stop5h 21mMultiple Airlines
Deal found 6/10$389
This WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:40 amBWI - YUL
1 stop11h 59mWestJet
Wed 6/256:20 amYUL - BWI
1 stop17h 28mWestJet
Deal found 6/10$417
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amBWI - YUL
2 stops16h 32mAmerican Airlines
Thu 10/212:30 pmYUL - BWI
1 stop11h 17mAmerican Airlines
Deal found 6/10$537
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:54 amBWI - YXU
2 stops44h 20mMultiple Airlines
Fri 8/16:00 amYXU - BWI
3 stops24h 05mMultiple Airlines
Deal found 6/10$538
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:15 pmBWI - YAM
2 stops32h 05mMultiple Airlines
Sat 6/286:40 amYAM - BWI
2 stops24h 50mMultiple Airlines
Deal found 6/10$740
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:34 pmBWI - YOW
2 stops10h 48mWestJet
Wed 6/255:55 amYOW - BWI
2 stops17h 53mWestJet
Deal found 6/11$768

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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.

Fly from

Baltimore

Fly to

Ontario

Route

Depart

Return

Price

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 8/6

11:14 am-2:05 pm

1 stop26h 51m

Toronto Pearson Intl

Sat 8/16

6:30 am-10:20 pm

1 stop15h 50m

$281

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Sat 7/19

7:10 am-2:04 pm

1 stop6h 54m

Toronto Island

Mon 7/21

3:00 pm-10:21 pm

1 stop7h 21m

$295

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 7/19

6:00 am-2:45 pm

1 stop8h 45m

Toronto Pearson Intl

Mon 7/21

1:20 pm-10:48 pm

1 stop9h 28m

$300

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 7/24

6:25 pm-11:55 pm

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 7/28

7:00 am-5:19 pm

1 stop10h 19m

$342

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 6/24

6:00 am-2:41 pm

1 stop8h 41m

Toronto Pearson Intl

Tue 6/24

6:05 pm-11:19 pm

1 stop5h 14m

$360

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 7/10

9:39 am-12:37 am

2 stops14h 58m

Montreal Pierre Elliott Trudeau Intl

Thu 7/17

10:45 am-10:21 pm

2 stops11h 36m

$376

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 7/9

8:40 am-5:06 pm

1 stop8h 26m

Ottawa

Thu 7/17

5:00 pm-10:21 pm

1 stop5h 21m

$389

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 6/24

5:40 am-5:39 pm

1 stop11h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 6/25

6:20 am-11:48 pm

1 stop17h 28m

$417

BaltimoreLondon

BWI - YXU

BWIYXU

Baltimore/Washington

Fri 7/25

8:54 am-5:14 am

2 stops44h 20m

London

Fri 8/1

6:00 am-6:05 am

3 stops24h 05m

$538

BaltimoreSault Ste Marie

BWI - YAM

BWIYAM

Baltimore/Washington

Tue 6/24

2:15 pm-10:20 pm

2 stops32h 05m

Sault Ste Marie

Sat 6/28

6:40 am-7:30 am

2 stops24h 50m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 34 results
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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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $243). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $353). 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 BWI to ON?

Find hourly flight availability from Baltimore to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Region of Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Baltimore to Ontario by reading reviews from past customers. 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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Baltimore/Washington (BWI) is the airport you will fly out of if you book a flight from Baltimore to Ontario. It is only a 8.5 mi journey to Baltimore/Washington (BWI) from Baltimore’s city center.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $122. WestJet flights start at $159 while deals on Sun Country Air start at $179 one-way.

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

    Most travelers choose Baltimore/Washington - Toronto Pearson Intl, Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Toronto Island when deciding on the best route from Baltimore to Region of Ontario.

  • What are the cheapest flights from Baltimore to Region of Ontario?

    On average you can expect to pay $1,406 for a flight from Baltimore to Region of Ontario. The cheapest flight overall is $872 while the most popular route, (Baltimore/Washington - Toronto Pearson Intl) is currently priced at $278.

  • 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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $243). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $353). 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.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
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Top 5 airlines flying from Baltimore to Ontario

Discover the top 5 airlines that operate flights from Baltimore to Ontario. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$609FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$198Average$258FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$212Average$521FlexibilityNo cancel feeOn-time67%
DeltaCheapest$242Average$340FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$330Average$435FlexibilityNo cancel feeOn-time60%

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