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$77+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$77
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$283
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. 6% potential increase in price ($18 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 January 2026
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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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/96:15 am
BWI
-
YYZ
1 stop8h 05m
Multiple Airlines
Wed 2/182:20 pm
YYZ
-
BWI
1 stop8h 15m
Multiple Airlines
Deal found 1/13$217
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/96:15 am
BWI
-
YYZ
1 stop8h 05m
Multiple Airlines
Tue 2/178:30 pm
YYZ
-
BWI
1 stop12h 36m
Multiple Airlines
Deal found 1/13$237
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/104:44 pm
BWI
-
YYZ
1 stop7h 30m
Multiple Airlines
Wed 2/182:20 pm
YYZ
-
BWI
1 stop8h 15m
Multiple Airlines
Deal found 1/13$247
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/107:54 pm
BWI
-
YYZ
1 stop28h 20m
Multiple Airlines
Tue 2/173:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/13$248
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/174:45 pm
BWI
-
YYZ
1 stop7h 29m
Multiple Airlines
Mon 2/233:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/13$249
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Fri 2/64:01 pm
BWI
-
YYZ
1 stop8h 13m
Multiple Airlines
Mon 2/93:40 pm
YYZ
-
BWI
1 stop18h 51m
Multiple Airlines
Deal found 1/12$251
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/259:55 pm
BWI
-
YYZ
1 stop26h 16m
Multiple Airlines
Mon 2/25:15 pm
YYZ
-
BWI
1 stop23h 55m
Multiple Airlines
Deal found 1/11$252
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/188:25 pm
BWI
-
YYZ
1 stop17h 55m
Multiple Airlines
Mon 2/233:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/13$253
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 2/24:44 pm
BWI
-
YYZ
1 stop7h 30m
Multiple Airlines
Fri 2/68:20 pm
YYZ
-
BWI
1 stop26h 21m
Multiple Airlines
Deal found 1/12$255
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Thu 2/55:37 pm
BWI
-
YUL
1 stop22h 45m
Multiple Airlines
Mon 2/98:00 am
YUL
-
BWI
1 stop26h 31m
Multiple Airlines
Deal found 1/12$258
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/258:25 pm
BWI
-
YYZ
1 stop17h 55m
Multiple Airlines
Sat 3/77:15 am
YYZ
-
BWI
2 stops16h 02m
Multiple Airlines
Deal found 1/13$260
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:06 am
BWI
-
YOW
1 stop14h 19m
Multiple Airlines
Wed 3/47:00 am
YOW
-
BWI
1 stop10h 46m
Multiple Airlines
Deal found 1/11$261

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 January 14, 2026.
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

Tue 2/17

4:45 pm-12:14 am

1 stop7h 29m

Toronto Pearson Intl

Mon 2/23

3:40 pm-9:06 am

1 stop17h 26m

$249

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Mon 2/9

12:40 pm-1:47 pm

1 stop25h 07m

Toronto Island

Mon 2/16

8:40 am-12:31 am

2 stops39h 51m

$264

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/25

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Mon 3/2

3:05 pm-11:17 am

2 stops20h 12m

$272

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 2/19

7:19 pm-1:47 pm

1 stop18h 28m

Toronto Island

Mon 2/23

3:00 pm-12:31 am

2 stops9h 31m

$276

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 1/31

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Mon 2/2

7:00 am-12:36 am

2 stops17h 36m

$276

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sun 1/25

5:47 pm-5:12 pm

2 stops23h 25m

Toronto Pearson Intl

Mon 2/2

5:15 pm-5:10 pm

1 stop23h 55m

$277

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Tue 1/27

1:00 pm-10:35 am

2 stops21h 35m

Toronto Island

Sun 2/8

2:30 pm-11:45 am

1 stop21h 15m

$280

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 2/16

6:10 am-5:15 pm

1 stop11h 05m

Ottawa

Wed 2/18

7:00 am-11:31 pm

1 stop16h 31m

$281

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 2/17

4:45 pm-12:14 am

1 stop7h 29m

Toronto Pearson Intl

Sun 2/22

8:30 pm-8:41 am

1 stop12h 11m

$283

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 2/18

8:25 pm-2:20 pm

1 stop17h 55m

Toronto Pearson Intl

Sun 2/22

8:30 pm-8:41 am

1 stop12h 11m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 59 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 $94). 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.

How much does it cost to fly round-trip from Baltimore to Region of Ontario?

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 January 14, 2026.
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
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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
407 reviews
Porter Airlines
8.0
Very good
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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
8,039 reviews
Porter Airlines
8.0
Very good
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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
9,152 reviews
Porter Airlines
8.0
Very good
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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
3,238 reviews
Porter Airlines
8.0
Very good
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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
10,619 reviews
Porter Airlines
8.0
Very good
407 reviews

Entertainment

7.0

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.6

Crew

8.6

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.

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

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

  • 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 $94). 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$275FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$315FlexibilityNo cancel feeOn-time69%
DeltaCheapest$255Average$332FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$492FlexibilityNo cancel feeOn-time60%

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