Ontario

$77+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Aug 25 — Sep 11
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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 August 20, 2025.

Round-trip from

$230
(Mytrip)

One-way from

$77
(Mytrip)

Popular in

August

Cheapest in

June

Average price

$321
From Baltimore/Washington to Ontario
One-way flight from Baltimore/Washington to Ontario
Highest demand for flights based on searches. 2% potential increase in price ($8 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 August 2025

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 August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/18. 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 10/156:45 amBWI - YYZ
1 stop7h 20mMultiple Airlines
Sun 10/196:30 amYYZ - BWI
1 stop10h 50mMultiple Airlines
Deal found 8/18$230
This Mytrip deal was found by Cheapflights users on 8/17. 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 10/56:45 amBWI - YYZ
1 stop7h 20mMultiple Airlines
Sun 10/126:30 amYYZ - BWI
1 stop16h 57mMultiple Airlines
Deal found 8/17$241
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Fri 10/176:45 amBWI - YYZ
1 stop7h 20mMultiple Airlines
Tue 10/216:30 amYYZ - BWI
1 stop16h 57mMultiple Airlines
Deal found 8/18$243
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Thu 10/96:45 amBWI - YYZ
1 stop7h 20mMultiple Airlines
Sun 10/126:30 amYYZ - BWI
1 stop16h 57mMultiple Airlines
Deal found 8/18$251
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:45 amBWI - YYZ
1 stop7h 20mMultiple Airlines
Sun 10/196:30 amYYZ - BWI
1 stop16h 57mMultiple Airlines
Deal found 8/19$258
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Thu 10/168:31 pmBWI - YYZ
1 stop17h 34mMultiple Airlines
Sun 10/196:30 amYYZ - BWI
1 stop14h 48mMultiple Airlines
Deal found 8/18$266
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:37 pmBWI - YYZ
1 stop27h 30mMultiple Airlines
Mon 10/204:00 pmYYZ - BWI
1 stop6h 36mMultiple Airlines
Deal found 8/17$271
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 10/37:49 pmBWI - YYZ
1 stop18h 16mMultiple Airlines
Mon 10/64:00 pmYYZ - BWI
1 stop6h 36mMultiple Airlines
Deal found 8/19$273
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Fri 9/265:41 pmBWI - YYZ
2 stops20h 24mMultiple Airlines
Sun 9/286:30 amYYZ - BWI
1 stop14h 41mMultiple Airlines
Deal found 8/18$274
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:16 pmBWI - YYZ
1 stop17h 49mMultiple Airlines
Sun 10/126:30 amYYZ - BWI
1 stop14h 48mMultiple Airlines
Deal found 8/20$276
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:40 pmBWI - YTZ
1 stop18h 37mMultiple Airlines
Wed 9/173:35 pmYTZ - BWI
1 stop25h 15mMultiple Airlines
Deal found 8/17$287
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 9/215:40 pmBWI - YTZ
1 stop18h 37mMultiple Airlines
Wed 9/243:35 pmYTZ - BWI
1 stop17h 27mMultiple Airlines
Deal found 8/18$294

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 August 20, 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 10/15

6:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Sun 10/19

6:30 am-5:20 pm

1 stop10h 50m

$230

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sun 10/5

6:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Sun 10/12

6:30 am-11:27 pm

1 stop16h 57m

$241

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 10/17

6:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Tue 10/21

6:30 am-11:27 pm

1 stop16h 57m

$243

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 10/9

6:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Sun 10/12

6:30 am-11:27 pm

1 stop16h 57m

$251

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 10/31

6:45 am-2:40 pm

1 stop7h 55m

Toronto Pearson Intl

Mon 11/3

7:00 am-11:27 pm

1 stop16h 27m

$258

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 10/17

6:45 am-2:05 pm

1 stop7h 20m

Toronto Pearson Intl

Sun 10/19

6:30 am-11:27 pm

1 stop16h 57m

$258

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 10/16

8:31 pm-2:05 pm

1 stop17h 34m

Toronto Pearson Intl

Sun 10/19

6:30 am-9:18 pm

1 stop14h 48m

$266

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 11/4

6:45 am-7:02 pm

1 stop12h 17m

Toronto Pearson Intl

Sun 11/9

4:00 pm-11:42 pm

1 stop7h 42m

$267

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 10/30

8:21 pm-2:05 pm

1 stop17h 44m

Toronto Pearson Intl

Sun 11/2

8:00 pm-8:34 am

1 stop12h 34m

$271

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 10/16

5:37 pm-9:07 pm

1 stop27h 30m

Toronto Pearson Intl

Mon 10/20

4:00 pm-10:36 pm

1 stop6h 36m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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, 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 August is currently the most expensive (average of $348). 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 August 20, 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.

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 August 20, 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.

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
8.0
Very good

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Overall

8.0

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good 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 most popular routes 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 $258.

  • 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 August is currently the most expensive (average of $348). 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 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$108Average$266FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$187Average$520FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$323FlexibilityNo cancel feeOn-time69%
DeltaCheapest$242Average$322FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$330Average$439FlexibilityNo cancel feeOn-time60%

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