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$67+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
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 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/159:11 pmBWI - YYZ
1 stop17h 09mMultiple Airlines
Wed 1/73:40 pmYYZ - BWI
1 stop16h 51mMultiple Airlines
Deal found 12/8$211
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/159:11 pmBWI - YYZ
1 stop17h 09mMultiple Airlines
Mon 1/53:40 pmYYZ - BWI
1 stop17h 55mMultiple Airlines
Deal found 12/8$238
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/1610:40 amBWI - YYZ
1 stop13h 31mMultiple Airlines
Wed 1/73:40 pmYYZ - BWI
1 stop16h 51mMultiple Airlines
Deal found 12/8$272
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/159:11 pmBWI - YYZ
1 stop17h 09mMultiple Airlines
Wed 12/319:40 amYYZ - BWI
1 stop11h 08mMultiple Airlines
Deal found 12/8$282
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/1610:40 amBWI - YYZ
1 stop13h 31mMultiple Airlines
Mon 1/53:40 pmYYZ - BWI
1 stop17h 55mMultiple Airlines
Deal found 12/8$299
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/159:11 pmBWI - YYZ
1 stop17h 09mMultiple Airlines
Tue 12/308:20 pmYYZ - BWI
1 stop11h 02mMultiple Airlines
Deal found 12/8$315
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/1711:16 amBWI - YYZ
1 stop12h 55mMultiple Airlines
Wed 1/73:40 pmYYZ - BWI
1 stop16h 51mMultiple Airlines
Deal found 12/8$317
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/138:37 amBWI - YYZ
1 stop13h 58mMultiple Airlines
Mon 12/157:10 amYYZ - BWI
1 stop26h 12mMultiple Airlines
Deal found 12/7$318
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/138:37 amBWI - YUL
1 stop15h 53mMultiple Airlines
Sun 12/144:35 pmYUL - BWI
1 stop15h 07mMultiple Airlines
Deal found 12/7$413
This Mytrip deal was found by Cheapflights users on 12/8. 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.
Tue 12/309:09 pmBWI - YTZ
2 stops18h 15mMultiple Airlines
Tue 1/62:05 pmYTZ - BWI
2 stops19h 30mMultiple Airlines
Deal found 12/8$451
This Mytrip deal was found by Cheapflights users on 12/7. 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.
Sat 12/208:10 amBWI - YTZ
2 stops13h 53mMultiple Airlines
Sun 1/112:05 pmYTZ - BWI
2 stops18h 26mMultiple Airlines
Deal found 12/7$461
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/1410:40 amBWI - YUL
1 stop13h 50mMultiple Airlines
Wed 12/174:35 pmYUL - BWI
1 stop14h 47mMultiple Airlines
Deal found 12/7$465

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 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$299
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 9, 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 - YTZ

BWIYTZ

Baltimore/Washington

Thu 2/5

12:05 pm-1:47 pm

1 stop25h 42m

Toronto Island

Mon 2/9

9:20 am-10:41 pm

2 stops13h 21m

$263

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 2/6

9:26 am-12:25 am

1 stop14h 59m

Ottawa

Sat 2/7

4:20 pm-11:36 pm

3 stops31h 16m

$274

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 1/21

8:00 am-5:13 pm

1 stop9h 13m

Ottawa

Wed 1/28

7:00 am-11:36 pm

1 stop16h 36m

$290

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 1/20

8:00 am-5:13 pm

1 stop9h 13m

Ottawa

Tue 1/27

7:00 am-12:21 am

2 stops17h 21m

$302

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 1/12

6:00 am-5:13 pm

1 stop11h 13m

Ottawa

Tue 1/13

9:30 am-10:36 pm

1 stop13h 06m

$305

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 2/6

6:20 am-6:28 pm

2 stops12h 08m

Ottawa

Sun 2/8

4:20 pm-11:36 pm

3 stops31h 16m

$308

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 1/9

6:00 am-5:13 pm

1 stop11h 13m

Ottawa

Fri 1/30

4:20 pm-11:47 pm

1 stop7h 27m

$324

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 1/21

6:20 am-10:03 pm

2 stops15h 43m

Toronto Island

Wed 1/28

7:00 am-11:47 pm

2 stops16h 47m

$325

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 1/28

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Mon 2/2

4:20 pm-5:10 pm

1 stop24h 50m

$326

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 1/6

8:00 am-11:58 pm

1 stop15h 58m

Ottawa

Tue 1/13

9:30 am-10:36 pm

1 stop13h 06m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

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 $92). 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 9, 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 9, 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
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
397 reviews
Porter Airlines
8.0
Very good
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
8,011 reviews
Porter Airlines
8.0
Very good
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
9,089 reviews
Porter Airlines
8.0
Very good
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
3,193 reviews
Porter Airlines
8.0
Very good
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews

Entertainment

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.6

Boarding

8.2

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 22h 44m. There are 347 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 - Toronto Island 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 $236.

  • 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 $92). 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 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$323FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$212Average$311FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$336FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$494FlexibilityNo cancel feeOn-time60%

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