Ontario

$96+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Mar 23 — Mar 301
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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 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Mon 3/22:58 pm
BWI
-
YYZ
1 stop23h 22m
Multiple Airlines
Wed 3/47:10 am
YYZ
-
BWI
1 stop12h 20m
Multiple Airlines
Deal found 2/20$244
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/37:54 pm
BWI
-
YYZ
1 stop28h 20m
Multiple Airlines
Fri 3/67:10 am
YYZ
-
BWI
1 stop10h 33m
Multiple Airlines
Deal found 2/18$277
This Mytrip deal was found by Cheapflights users on 2/18. 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 3/410:06 am
BWI
-
YYZ
1 stop13h 14m
Multiple Airlines
Tue 3/103:40 pm
YYZ
-
BWI
1 stop7h 51m
Multiple Airlines
Deal found 2/18$278
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Thu 4/169:16 pm
BWI
-
YYZ
1 stop14h 12m
Multiple Airlines
Sun 4/1911:15 am
YYZ
-
BWI
1 stop21h 28m
Multiple Airlines
Deal found 2/18$280
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 6/89:18 am
BWI
-
YYZ
1 stop10h 47m
Multiple Airlines
Wed 6/107:45 am
YYZ
-
BWI
1 stop24h 38m
Multiple Airlines
Deal found 2/18$288
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/207:04 pm
BWI
-
YYZ
1 stop19h 04m
Multiple Airlines
Sat 4/252:20 pm
YYZ
-
BWI
2 stops17h 42m
Multiple Airlines
Deal found 2/19$289
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Mon 4/610:00 pm
BWI
-
YYZ
1 stop16h 08m
Multiple Airlines
Fri 4/1011:15 am
YYZ
-
BWI
1 stop21h 13m
Multiple Airlines
Deal found 2/18$295
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Thu 5/149:43 pm
BWI
-
YUL
1 stop17h 07m
Multiple Airlines
Sat 5/236:45 am
YUL
-
BWI
1 stop8h 55m
Multiple Airlines
Deal found 2/20$295
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/412:30 pm
BWI
-
YOW
1 stop11h 55m
Multiple Airlines
Sat 3/77:00 am
YOW
-
BWI
1 stop25h 11m
Multiple Airlines
Deal found 2/18$295
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Thu 4/92:21 pm
BWI
-
YYZ
1 stop9h 53m
Multiple Airlines
Wed 4/1511:15 am
YYZ
-
BWI
1 stop22h 02m
Multiple Airlines
Deal found 2/18$297
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/512:08 pm
BWI
-
YOW
1 stop11h 50m
Multiple Airlines
Sun 4/124:15 pm
YOW
-
BWI
1 stop15h 58m
Multiple Airlines
Deal found 2/19$299
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/207:04 pm
BWI
-
YUL
1 stop29h 26m
Multiple Airlines
Thu 4/234:25 pm
YUL
-
BWI
1 stop17h 12m
Multiple Airlines
Deal found 2/19$301

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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Kiwi.com)

One-way from

$96
(Kiwi.com)

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 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 - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/4

10:06 am-11:20 pm

1 stop13h 14m

Toronto Pearson Intl

Tue 3/10

3:40 pm-11:31 pm

1 stop7h 51m

$278

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 3/4

12:30 pm-12:25 am

1 stop11h 55m

Ottawa

Sat 3/7

7:00 am-8:11 am

1 stop25h 11m

$295

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/4

8:25 pm-12:14 am

1 stop27h 49m

Toronto Pearson Intl

Mon 3/16

5:15 pm-7:44 pm

1 stop26h 29m

$302

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/11

3:19 pm-12:14 am

2 stops32h 55m

Toronto Pearson Intl

Tue 3/17

5:15 pm-7:44 pm

1 stop26h 29m

$304

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 4/15

4:47 pm-12:30 am

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

8:00 am-8:43 am

1 stop24h 43m

$308

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 4/29

7:00 am-3:10 pm

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 5/7

6:45 am-6:37 pm

2 stops11h 52m

$313

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 4/24

9:46 pm-5:25 pm

1 stop19h 39m

Ottawa

Mon 4/27

9:30 am-11:57 pm

1 stop14h 27m

$313

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 4/23

6:05 am-12:25 am

2 stops18h 20m

Ottawa

Sun 4/26

4:15 pm-8:43 am

1 stop16h 28m

$315

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 4/17

7:00 am-12:25 am

1 stop17h 25m

Ottawa

Sun 4/19

4:15 pm-8:43 am

1 stop16h 28m

$319

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 4/24

9:45 am-12:25 am

1 stop14h 40m

Ottawa

Sun 4/26

4:15 pm-8:43 am

1 stop16h 28m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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, 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 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.

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Entertainment

6.9

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 16h 59m. There are 893 mi between Baltimore and Region of Ontario.

  • 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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Alternative routes for Baltimore to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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 21, 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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