Ontario

$98+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Mar 29 — Apr 51
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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 February 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/24. 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 6/59:18 am
BWI
-
YYZ
1 stop10h 47m
Multiple Airlines
Sun 6/75:45 pm
YYZ
-
BWI
1 stop14h 38m
Multiple Airlines
Deal found 2/24$257
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 5/279:18 am
BWI
-
YYZ
1 stop10h 47m
Multiple Airlines
Fri 6/54:50 pm
YYZ
-
BWI
1 stop15h 33m
Multiple Airlines
Deal found 2/25$258
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/87:12 pm
BWI
-
YYZ
1 stop28h 08m
Multiple Airlines
Sun 4/123:40 pm
YYZ
-
BWI
1 stop16h 33m
Multiple Airlines
Deal found 2/23$270
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 5/49:38 am
BWI
-
YYZ
1 stop14h 21m
Multiple Airlines
Wed 5/67:45 am
YYZ
-
BWI
1 stop8h 55m
Multiple Airlines
Deal found 2/24$282
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/910:19 am
BWI
-
YYZ
1 stop13h 01m
Multiple Airlines
Thu 4/168:00 pm
YYZ
-
BWI
2 stops15h 36m
Multiple Airlines
Deal found 2/23$283
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/185:53 pm
BWI
-
YOW
2 stops18h 42m
Multiple Airlines
Wed 4/227:00 am
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 2/24$288
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/99:48 pm
BWI
-
YOW
1 stop26h 37m
Multiple Airlines
Wed 4/157:00 am
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 2/26$290
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/239:16 pm
BWI
-
YYZ
1 stop14h 27m
Multiple Airlines
Sun 4/268:30 pm
YYZ
-
BWI
1 stop12h 13m
Multiple Airlines
Deal found 2/23$291
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 5/299:18 am
BWI
-
YYZ
1 stop10h 47m
Multiple Airlines
Mon 6/17:25 am
YYZ
-
BWI
1 stop8h 26m
Multiple Airlines
Deal found 2/25$297
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/2812:17 pm
BWI
-
YYZ
2 stops23h 18m
Multiple Airlines
Wed 5/67:10 am
YYZ
-
BWI
1 stop9h 30m
Multiple Airlines
Deal found 2/26$300
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 5/159:43 pm
BWI
-
YUL
1 stop17h 07m
Multiple Airlines
Sat 5/236:45 am
YUL
-
BWI
1 stop8h 55m
Multiple Airlines
Deal found 2/27$300
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 5/119:38 am
BWI
-
YYZ
1 stop10h 27m
Multiple Airlines
Tue 5/126:30 am
YYZ
-
BWI
1 stop10h 31m
Multiple Airlines
Deal found 2/25$303

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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Kiwi.com)

One-way from

$98
(Mytrip)

Popular in

November

Cheapest in

June

Average price

$311
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
From Baltimore/Washington to Ontario
One-way flight from Baltimore/Washington to Ontario
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 27, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 4/9

8:39 pm-3:52 pm

2 stops19h 13m

Toronto Island

Mon 4/13

7:00 am-11:59 pm

2 stops16h 59m

$395

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 5/15

7:00 am-3:15 pm

1 stop8h 15m

Ottawa

Mon 5/18

3:30 pm-8:04 pm

2 stops28h 34m

$408

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Mon 4/13

8:39 pm-7:52 pm

2 stops23h 13m

Toronto Island

Mon 4/20

4:30 pm-11:01 am

2 stops18h 31m

$414

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Tue 3/31

3:19 pm-10:25 am

2 stops19h 06m

Toronto Island

Sun 4/5

2:30 pm-9:21 am

1 stop18h 51m

$434

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 4/14

4:05 pm-5:25 pm

1 stop25h 20m

Ottawa

Fri 4/17

4:20 pm-11:57 pm

1 stop7h 37m

$434

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 3/14

4:47 pm-12:35 pm

2 stops19h 48m

Ottawa

Wed 3/18

9:30 am-11:59 pm

1 stop14h 29m

$454

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 3/26

7:11 pm-4:25 pm

2 stops21h 14m

Toronto Island

Thu 4/2

9:25 am-9:21 am

1 stop23h 56m

$479

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 7/21

8:10 am-4:53 pm

1 stop8h 43m

Toronto Pearson Intl

Wed 7/29

11:30 am-5:06 pm

1 stop5h 36m

$484

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 3/15

7:11 pm-6:35 pm

2 stops23h 24m

Ottawa

Tue 3/17

7:00 am-11:59 pm

1 stop16h 59m

$484

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 6/26

2:10 pm-10:00 pm

1 stop7h 50m

Toronto Pearson Intl

Tue 6/30

6:15 am-3:51 pm

2 stops9h 36m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). 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.

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 February 27, 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.

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 5h 24m. There are 347 mi between Baltimore and Region of Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes 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, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). 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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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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$311FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$332FlexibilityNo cancel feeOn-time69%
DeltaCheapest$240Average$341FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$507FlexibilityNo cancel feeOn-time60%

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