Ontario

$71+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Feb 1 — Feb 81
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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 January 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 12/31. 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 12/316:18 pmBWI - YYZ
1 stop20h 35mMultiple Airlines
Tue 1/63:40 pmYYZ - BWI
1 stop17h 55mMultiple Airlines
Deal found 12/31$758
This Kiwi.com deal was found by Cheapflights users on 12/31. 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 12/316:18 pmBWI - YYZ
1 stop20h 35mMultiple Airlines
Sun 1/47:10 amYYZ - BWI
1 stop24h 12mMultiple Airlines
Deal found 12/31$830
This Kiwi.com deal was found by Cheapflights users on 12/30. 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 12/318:18 pmBWI - YUL
2 stops28h 27mMultiple Airlines
Wed 1/74:35 pmYUL - BWI
1 stop19h 32mMultiple Airlines
Deal found 12/30$854
This FlightHub deal was found by Cheapflights users on 12/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBWI - YUL
1 stop7h 49mWestJet
Wed 1/77:00 amYUL - BWI
1 stop8h 38mWestJet
Deal found 12/30$989
This FlightHub deal was found by Cheapflights users on 12/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:30 amBWI - YYZ
1 stop12h 29mWestJet
Sat 1/36:05 amYYZ - BWI
1 stop10h 46mWestJet
Deal found 12/30$1,084
This Delta deal was found by Cheapflights users on 12/31. 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.
Wed 12/313:00 pmBWI - YYZ
1 stop8h 20mDelta
Fri 1/25:15 pmYYZ - BWI
1 stop6h 16mDelta
Deal found 12/31$1,107
This Delta deal was found by Cheapflights users on 12/31. 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.
Wed 12/314:49 pmBWI - YYZ
1 stop7h 10mDelta
Tue 1/612:21 pmYYZ - BWI
1 stop8h 07mDelta
Deal found 12/31$1,236
This Delta deal was found by Cheapflights users on 12/31. 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.
Wed 12/312:00 pmBWI - YUL
1 stop9h 59mDelta
Sun 1/47:00 amYUL - BWI
1 stop10h 48mDelta
Deal found 12/31$1,357
This Delta deal was found by Cheapflights users on 12/30. 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.
Wed 12/3112:34 pmBWI - YYZ
2 stops10h 46mDelta
Sun 1/46:05 amYYZ - BWI
2 stops11h 43mDelta
Deal found 12/30$2,047

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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$283
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. 7% potential increase in price ($22 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 January 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 January 2, 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

Thu 1/22

5:37 pm-2:20 pm

2 stops20h 43m

Toronto Pearson Intl

Sun 1/25

3:40 pm-8:31 am

1 stop16h 51m

$297

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/29

1:22 pm-5:13 pm

1 stop27h 51m

Ottawa

Thu 2/5

7:00 am-11:59 pm

1 stop16h 59m

$319

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 1/15

7:45 pm-1:47 pm

1 stop18h 02m

Toronto Island

Wed 1/21

3:00 pm-12:27 pm

2 stops21h 27m

$327

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 1/14

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Sat 2/7

4:15 pm-8:31 am

1 stop16h 16m

$329

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 1/15

7:45 pm-1:47 pm

1 stop18h 02m

Toronto Island

Tue 1/20

6:15 pm-5:10 pm

2 stops22h 55m

$333

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sat 1/24

9:26 am-11:20 pm

1 stop13h 54m

Toronto Pearson Intl

Sun 1/25

3:40 pm-8:31 am

1 stop16h 51m

$370

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 1/28

8:08 pm-4:25 pm

2 stops20h 17m

Toronto Island

Wed 2/4

2:05 pm-8:31 am

2 stops18h 26m

$373

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 1/23

1:00 pm-12:25 am

1 stop11h 25m

Ottawa

Sun 1/25

4:15 pm-8:31 am

1 stop16h 16m

$374

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 2/19

12:30 pm-11:20 pm

1 stop10h 50m

Toronto Pearson Intl

Sat 2/21

8:20 pm-11:17 am

1 stop14h 57m

$377

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 2/15

9:04 pm-12:25 am

1 stop27h 21m

Ottawa

Sun 2/22

4:15 pm-8:41 am

1 stop16h 26m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 53 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.

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 January 2, 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.

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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

Comfort

8.0

Crew

8.6

Entertainment

7.0

Boarding

8.2

Overall

8.0

Food

7.6

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 12h 14m. 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, 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.

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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$275FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$187Average$315FlexibilityNo cancel feeOn-time69%
DeltaCheapest$255Average$329FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$349Average$493FlexibilityNo cancel feeOn-time60%

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