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$58+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/307:10 amBWI - YOW
1 stop17h 15mMultiple Airlines
Thu 1/89:40 amYOW - BWI
1 stop21h 41mMultiple Airlines
Deal found 12/22$449
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/307:10 amBWI - YOW
1 stop17h 15mMultiple Airlines
Sun 1/44:20 pmYOW - BWI
2 stops42h 18mMultiple Airlines
Deal found 12/22$499
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/286:18 pmBWI - YYZ
1 stop29h 02mMultiple Airlines
Mon 1/510:15 amYYZ - BWI
2 stops38h 14mMultiple Airlines
Deal found 12/22$513
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/3111:55 amBWI - YUL
2 stops12h 35mMultiple Airlines
Wed 1/74:35 pmYUL - BWI
1 stop19h 32mMultiple Airlines
Deal found 12/21$514
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/225:41 pmBWI - YYZ
1 stop27h 38mMultiple Airlines
Fri 1/97:10 amYYZ - BWI
1 stop16h 37mMultiple Airlines
Deal found 12/21$519
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Mon 12/2910:00 pmBWI - YYZ
1 stop16h 20mMultiple Airlines
Mon 1/58:30 pmYYZ - BWI
1 stop13h 05mMultiple Airlines
Deal found 12/21$524
This Mytrip deal was found by Cheapflights users on 12/21. 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 12/316:30 amBWI - YUL
2 stops18h 00mMultiple Airlines
Mon 1/54:35 pmYUL - BWI
1 stop15h 54mMultiple Airlines
Deal found 12/21$525
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/289:09 pmBWI - YOW
2 stops20h 16mMultiple Airlines
Wed 12/314:20 pmYOW - BWI
1 stop15h 02mMultiple Airlines
Deal found 12/21$547
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Wed 12/311:44 pmBWI - YYZ
1 stop7h 35mMultiple Airlines
Fri 1/25:10 pmYYZ - BWI
1 stop6h 22mMultiple Airlines
Deal found 12/20$575
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/307:10 amBWI - YYZ
1 stop16h 10mMultiple Airlines
Wed 12/319:35 amYYZ - BWI
2 stops14h 54mMultiple Airlines
Deal found 12/20$578
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Tue 12/231:44 pmBWI - YOW
2 stops10h 57mMultiple Airlines
Wed 1/77:00 amYOW - BWI
1 stop13h 04mMultiple Airlines
Deal found 12/21$579
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Sat 12/2710:40 amBWI - YYZ
1 stop11h 55mMultiple Airlines
Wed 12/319:35 amYYZ - BWI
2 stops14h 54mMultiple Airlines
Deal found 12/20$587

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(Kiwi.com)

One-way from

$58
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$297
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. 7% potential increase in price ($22 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 December 2025
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 December 23, 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 2/4

1:00 pm-11:20 pm

1 stop10h 20m

Toronto Pearson Intl

Wed 2/11

2:20 pm-10:22 pm

1 stop8h 02m

$242

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 2/2

1:05 pm-12:14 am

1 stop11h 09m

Toronto Pearson Intl

Thu 2/5

7:15 am-5:27 pm

2 stops10h 12m

$244

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 1/30

6:20 am-2:40 pm

1 stop8h 20m

Toronto Pearson Intl

Sun 2/8

11:15 am-11:59 pm

1 stop12h 44m

$256

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 1/24

4:44 pm-12:11 am

1 stop7h 27m

Toronto Pearson Intl

Sat 1/31

7:15 am-6:50 pm

2 stops11h 35m

$259

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 1/26

6:15 am-8:11 pm

2 stops13h 56m

Toronto Pearson Intl

Fri 1/30

7:10 am-3:06 pm

1 stop7h 56m

$259

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 1/9

11:30 am-7:16 pm

1 stop7h 46m

Toronto Pearson Intl

Wed 1/14

2:15 pm-7:23 am

1 stop17h 08m

$262

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 2/26

6:08 pm-2:20 pm

2 stops20h 12m

Toronto Pearson Intl

Sun 3/1

8:30 pm-8:41 am

1 stop12h 11m

$263

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

6:20 am-5:25 pm

1 stop11h 05m

Ottawa

Mon 2/9

4:15 pm-10:31 am

1 stop18h 16m

$264

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 2/4

6:20 am-10:03 pm

2 stops15h 43m

Toronto Island

Wed 2/11

2:05 pm-9:06 am

2 stops19h 01m

$270

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 2/4

6:20 am-5:25 pm

1 stop11h 05m

Ottawa

Wed 2/11

7:00 am-9:06 am

1 stop26h 06m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 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 December 23, 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 December 23, 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
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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
399 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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
8,015 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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
9,107 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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
3,216 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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
10,551 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

7.9

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 - 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.

  • 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 $208.

  • 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$275FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$323FlexibilityNo cancel feeOn-time69%
DeltaCheapest$255Average$330FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$490FlexibilityNo cancel feeOn-time60%

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