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$71+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Mytrip)

One-way from

$71
(Mytrip)

Popular in

November

Cheapest in

June

Average price

$368
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
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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. 12% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. 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 12/35:40 amBWI - YOW
1 stop11h 45mMultiple Airlines
Sat 12/67:00 amYOW - BWI
3 stops26h 22mMultiple Airlines
Deal found 11/18$259
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 11/278:45 pmBWI - YYZ
1 stop23h 15mMultiple Airlines
Wed 12/39:35 amYYZ - BWI
1 stop24h 00mMultiple Airlines
Deal found 11/19$263
This Mytrip deal was found by Cheapflights users on 11/19. 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 12/129:10 pmBWI - YUL
2 stops27h 20mMultiple Airlines
Sun 12/146:45 amYUL - BWI
3 stops26h 37mMultiple Airlines
Deal found 11/19$269
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/129:11 pmBWI - YYZ
1 stop17h 09mMultiple Airlines
Mon 12/155:15 pmYYZ - BWI
1 stop7h 08mMultiple Airlines
Deal found 11/19$275
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 11/278:45 pmBWI - YYZ
1 stop23h 15mMultiple Airlines
Tue 12/27:15 amYYZ - BWI
1 stop27h 06mMultiple Airlines
Deal found 11/19$277
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/59:11 pmBWI - YUL
1 stop27h 19mMultiple Airlines
Sun 12/78:00 amYUL - BWI
1 stop14h 57mMultiple Airlines
Deal found 11/19$280
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/97:06 pmBWI - YYZ
1 stop16h 37mMultiple Airlines
Tue 12/167:10 amYYZ - BWI
1 stop26h 12mMultiple Airlines
Deal found 11/18$281
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Mon 12/110:41 amBWI - YYZ
1 stop9h 19mMultiple Airlines
Fri 12/512:50 pmYYZ - BWI
1 stop11h 33mMultiple Airlines
Deal found 11/18$282
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/129:10 pmBWI - YOW
2 stops26h 48mMultiple Airlines
Sun 12/147:00 amYOW - BWI
3 stops26h 22mMultiple Airlines
Deal found 11/18$284
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/129:10 pmBWI - YYZ
2 stops25h 25mMultiple Airlines
Sun 12/148:30 pmYYZ - BWI
1 stop13h 05mMultiple Airlines
Deal found 11/18$287
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/48:00 pmBWI - YYZ
2 stops18h 40mMultiple Airlines
Mon 12/812:50 pmYYZ - BWI
1 stop11h 33mMultiple Airlines
Deal found 11/18$288
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/36:38 pmBWI - YYZ
1 stop20h 02mMultiple Airlines
Sun 12/77:10 amYYZ - BWI
1 stop26h 12mMultiple Airlines
Deal found 11/19$289

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 November 20, 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 1/7

9:09 pm-2:20 pm

1 stop17h 11m

Toronto Pearson Intl

Wed 1/14

3:40 pm-11:31 pm

1 stop7h 51m

$233

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 1/9

6:00 am-2:20 pm

1 stop8h 20m

Toronto Pearson Intl

Sat 1/10

5:15 pm-12:07 pm

1 stop18h 52m

$257

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 12/3

5:40 am-5:25 pm

1 stop11h 45m

Ottawa

Sat 12/6

7:00 am-9:22 am

3 stops26h 22m

$259

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 1/7

9:09 pm-2:20 pm

1 stop17h 11m

Toronto Pearson Intl

Sun 1/11

7:10 am-10:27 am

2 stops27h 17m

$263

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 1/23

7:24 pm-5:15 pm

1 stop21h 51m

Ottawa

Wed 1/28

4:15 pm-9:16 am

1 stop17h 01m

$290

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 12/12

10:04 am-12:25 am

2 stops14h 21m

Ottawa

Sun 12/14

7:00 am-9:22 am

3 stops26h 22m

$294

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 1/22

6:20 am-4:22 pm

1 stop10h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

8:00 am-7:01 pm

1 stop11h 01m

$297

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 12/9

6:30 am-5:25 pm

1 stop10h 55m

Ottawa

Wed 12/10

10:00 am-3:49 pm

2 stops29h 49m

$313

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 12/11

6:30 am-3:10 pm

1 stop8h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

6:45 am-9:22 am

3 stops26h 37m

$314

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 1/17

12:12 pm-12:25 am

1 stop12h 13m

Ottawa

Mon 1/19

4:15 pm-7:01 pm

1 stop26h 46m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 57 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, March is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $91). Flying from Baltimore to Region of Ontario in August is currently the most expensive (average of $171). 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 November 20, 2025.

One of the essential ways to save on airfare from Baltimore to Region of Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 64% on airfare.

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 November 20, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines from Baltimore to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
393 reviews
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Delta
7.9
Good
8,002 reviews
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,027 reviews
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,168 reviews
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,462 reviews
Porter Airlines
8.0
Very good
393 reviews

Food

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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.

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

    Departing from Baltimore to Region of Ontario will take you 13h. There are 893 mi between Baltimore and Region of Ontario.

  • 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 $189.

  • 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, March is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $91). Flying from Baltimore to Region of Ontario in August is currently the most expensive (average of $171). 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.
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Top 4 airlines flying from Baltimore to Ontario

Discover the top 4 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$323FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$212Average$285FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$322FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$500FlexibilityNo cancel feeOn-time60%

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