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$100+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Baltimore to Ontario

Keep the following information in mind while searching for Baltimore to Ontario flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$240
(Mytrip)

One-way from

$100
(Delta)

Popular in

August

Cheapest in

April

Average price

$268
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
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From Baltimore/Washington to Ontario
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One-way flight from Baltimore/Washington to Ontario
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Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:00 amBWI - YYZ
1 stop5h 59mDelta
Tue 5/67:45 amYYZ - BWI
1 stop5h 14mDelta
Deal found 4/17$254
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Mon 5/127:57 pmBWI - YYZ
1 stop27h 58mMultiple Airlines
Mon 5/197:45 amYYZ - BWI
1 stop16h 32mMultiple Airlines
Deal found 4/16$294
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Sun 6/111:54 amBWI - YUL
3 stops34h 21mMultiple Airlines
Sun 6/86:45 amYUL - BWI
2 stops28h 14mMultiple Airlines
Deal found 4/17$304
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:25 pmBWI - YUL
1 stop5h 29mDelta
Thu 6/196:45 pmYUL - BWI
1 stop5h 41mDelta
Deal found 4/16$305
This Mytrip deal was found by Cheapflights users on 4/16. 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 4/307:55 pmBWI - YTZ
2 stops23h 32mMultiple Airlines
Sat 5/38:50 amYTZ - BWI
3 stops24h 32mMultiple Airlines
Deal found 4/16$312
This Mytrip deal was found by Cheapflights users on 4/16. 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 5/316:41 amBWI - YQT
2 stops14h 04mMultiple Airlines
Sat 6/711:45 amYQT - BWI
2 stops24h 01mMultiple Airlines
Deal found 4/16$329
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 6/118:26 amBWI - YOW
1 stop8h 40mMultiple Airlines
Fri 6/134:40 pmYOW - BWI
1 stop5h 28mMultiple Airlines
Deal found 4/16$334
This WestJet deal was found by Cheapflights users on 4/17. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:00 amBWI - YYZ
1 stop5h 25mWestJet
Sat 5/1712:15 pmYYZ - BWI
1 stop5h 23mWestJet
Deal found 4/17$348
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:25 pmBWI - YYZ
1 stop22h 15mSun Country Air
Thu 8/2111:40 amYYZ - BWI
1 stop23h 47mSun Country Air
Deal found 4/17$396
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:40 amBWI - YUL
1 stop5h 59mWestJet
Sun 5/1812:44 pmYUL - BWI
1 stop7h 59mWestJet
Deal found 4/17$416
This Mytrip deal was found by Cheapflights users on 4/16. 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 5/317:17 amBWI - YXU
2 stops21h 57mMultiple Airlines
Sat 6/76:00 amYXU - BWI
3 stops24h 10mMultiple Airlines
Deal found 4/16$444
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:15 amBWI - YYZ
2 stops16h 14mUnited Airlines
Tue 7/159:00 pmYYZ - BWI
2 stops16h 48mUnited Airlines
Deal found 4/17$529

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 April 17, 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

Fri 5/2

6:00 am-11:59 am

1 stop5h 59m

Toronto Pearson Intl

Tue 5/6

7:45 am-12:59 pm

1 stop5h 14m

$254

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Mon 5/12

7:57 pm-11:55 pm

1 stop27h 58m

Toronto Pearson Intl

Mon 5/19

7:45 am-12:17 am

1 stop16h 32m

$294

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Sun 6/1

11:54 am-10:15 pm

3 stops34h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

6:45 am-10:59 am

2 stops28h 14m

$304

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Mon 6/16

6:25 pm-11:54 pm

1 stop5h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 6/19

6:45 pm-12:26 am

1 stop5h 41m

$305

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 4/30

7:55 pm-7:27 pm

2 stops23h 32m

Toronto Island

Sat 5/3

8:50 am-9:22 am

3 stops24h 32m

$312

BaltimoreThunder Bay

BWI - YQT

BWIYQT

Baltimore/Washington

Sat 5/31

6:41 am-8:45 pm

2 stops14h 04m

Thunder Bay

Sat 6/7

11:45 am-11:46 am

2 stops24h 01m

$329

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 6/11

8:26 am-5:06 pm

1 stop8h 40m

Ottawa

Fri 6/13

4:40 pm-10:08 pm

1 stop5h 28m

$334

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 5/14

6:00 am-11:25 am

1 stop5h 25m

Toronto Pearson Intl

Sat 5/17

12:15 pm-5:38 pm

1 stop5h 23m

$348

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 8/16

12:25 pm-10:40 am

1 stop22h 15m

Toronto Pearson Intl

Thu 8/21

11:40 am-11:27 am

1 stop23h 47m

$396

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 5/16

5:40 am-11:39 am

1 stop5h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 5/18

12:44 pm-8:43 pm

1 stop7h 59m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 30 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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $243). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $359). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Region of Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 April 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Baltimore to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 cheapest airlines to fly from Baltimore to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $100. WestJet flights start at $143 while deals on American Airlines start at $359 one-way.

  • 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 $237.

  • 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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $243). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of $359). 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 5 airlines flying from Baltimore to Ontario

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$332FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$609FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$198Average$263FlexibilityNo cancel feeOn-time52%
DeltaCheapest$242Average$416FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$330Average$433FlexibilityNo cancel feeOn-time60%

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