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Ontario

$73+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:30 pm
BWI
-
YYZ
1 stop10h 50m
Multiple Airlines
Mon 3/93:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/21$229
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:30 pm
BWI
-
YYZ
1 stop10h 50m
Multiple Airlines
Mon 3/93:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/21$235
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:55 pm
BWI
-
YUL
2 stops22h 19m
Multiple Airlines
Mon 2/98:00 am
YUL
-
BWI
1 stop26h 31m
Multiple Airlines
Deal found 1/21$240
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:30 pm
BWI
-
YYZ
1 stop10h 50m
Multiple Airlines
Tue 3/107:10 am
YYZ
-
BWI
1 stop15h 43m
Multiple Airlines
Deal found 1/21$250
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:45 pm
BWI
-
YYZ
1 stop21h 35m
Multiple Airlines
Mon 3/168:30 pm
YYZ
-
BWI
1 stop12h 44m
Multiple Airlines
Deal found 1/21$258
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 4/17:12 pm
BWI
-
YYZ
1 stop24h 43m
Multiple Airlines
Tue 4/73:40 pm
YYZ
-
BWI
1 stop17h 34m
Multiple Airlines
Deal found 1/19$265
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:30 pm
BWI
-
YYZ
1 stop10h 50m
Multiple Airlines
Mon 3/23:40 pm
YYZ
-
BWI
1 stop17h 26m
Multiple Airlines
Deal found 1/20$267
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:20 am
BWI
-
YUL
1 stop10h 02m
Multiple Airlines
Mon 2/95:10 pm
YUL
-
BWI
2 stops17h 21m
Multiple Airlines
Deal found 1/21$271
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Sun 2/19:55 pm
BWI
-
YYZ
1 stop16h 25m
Multiple Airlines
Wed 2/43:40 pm
YYZ
-
BWI
1 stop16h 51m
Multiple Airlines
Deal found 1/19$272
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:05 pm
BWI
-
YYZ
1 stop23h 15m
Multiple Airlines
Mon 3/233:40 pm
YYZ
-
BWI
1 stop17h 34m
Multiple Airlines
Deal found 1/21$275
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:20 am
BWI
-
YTZ
2 stops13h 43m
Multiple Airlines
Wed 2/259:20 am
YTZ
-
BWI
1 stop23h 04m
Multiple Airlines
Deal found 1/20$277
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/113:19 pm
BWI
-
YYZ
2 stops23h 01m
Multiple Airlines
Sun 3/223:40 pm
YYZ
-
BWI
1 stop16h 46m
Multiple Airlines
Deal found 1/19$278

Find 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$229
(Mytrip)

One-way from

$73
(Trip.com)

Popular in

November

Cheapest in

June

Average price

$283
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
Search Deals
From Baltimore/Washington to Ontario
Search Deals
One-way flight from Baltimore/Washington to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 21, 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 - YTZ

BWIYTZ

Baltimore/Washington

Tue 2/24

6:20 am-8:03 pm

2 stops13h 43m

Toronto Island

Wed 2/25

9:20 am-8:24 am

1 stop23h 04m

$277

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 2/24

7:54 pm-2:20 pm

1 stop18h 26m

Toronto Pearson Intl

Thu 2/26

8:30 pm-8:41 am

1 stop12h 11m

$290

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/3

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Fri 2/6

4:15 pm-8:31 am

1 stop16h 16m

$316

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 2/18

8:25 pm-11:26 am

1 stop15h 01m

Toronto Pearson Intl

Sat 2/21

3:40 pm-8:11 am

1 stop16h 31m

$318

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 2/19

12:30 pm-9:46 am

2 stops21h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

4:35 pm-9:06 am

2 stops16h 31m

$323

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 2/3

8:00 am-5:13 pm

1 stop9h 13m

Ottawa

Thu 2/5

3:05 pm-11:17 am

2 stops20h 12m

$324

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/4

12:30 pm-11:20 pm

1 stop10h 50m

Toronto Pearson Intl

Thu 3/12

3:15 pm-2:24 pm

2 stops23h 09m

$325

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 3/3

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Fri 3/6

9:30 am-7:58 pm

1 stop10h 28m

$332

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 2/19

7:19 pm-1:47 pm

1 stop18h 28m

Toronto Island

Mon 2/23

9:20 am-12:31 am

2 stops15h 11m

$334

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 2/2

6:15 am-2:20 pm

1 stop8h 05m

Toronto Pearson Intl

Mon 2/9

7:15 am-10:53 pm

2 stops15h 38m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 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 January is currently the most expensive (average of $193). 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 21, 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
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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
8,088 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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
9,191 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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
3,247 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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
10,646 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Overall

7.9

Entertainment

6.9

Comfort

7.9

Crew

8.6

Food

7.5

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 16h 59m. 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 - Ottawa 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 January is currently the most expensive (average of $193). 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$323FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$187Average$275FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$315FlexibilityNo cancel feeOn-time69%
WestJetCheapest$349Average$503FlexibilityNo cancel feeOn-time60%

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