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$120+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Apr 28 — May 51
Tue 4/28
Tue 5/5
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 March 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/88:39 pm
BWI
-
YYZ
1 stop27h 35m
Multiple Airlines
Tue 4/1411:15 am
YYZ
-
BWI
1 stop22h 00m
Multiple Airlines
Deal found 3/24$269
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/131:04 pm
BWI
-
YYZ
1 stop11h 10m
Multiple Airlines
Sat 4/186:30 am
YYZ
-
BWI
1 stop15h 50m
Multiple Airlines
Deal found 3/24$280
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/155:49 pm
BWI
-
YYZ
2 stops20h 16m
Multiple Airlines
Sun 4/198:30 pm
YYZ
-
BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/25$284
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/165:58 pm
BWI
-
YYZ
2 stops17h 30m
Multiple Airlines
Sun 4/198:30 pm
YYZ
-
BWI
1 stop12h 13m
Multiple Airlines
Deal found 3/25$290
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/99:13 am
BWI
-
YYZ
1 stop15h 01m
Multiple Airlines
Mon 4/1311:15 am
YYZ
-
BWI
2 stops29h 39m
Multiple Airlines
Deal found 3/24$293
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/2210:10 am
BWI
-
YYZ
1 stop27h 55m
Multiple Airlines
Wed 4/296:30 am
YYZ
-
BWI
1 stop26h 47m
Multiple Airlines
Deal found 3/25$299
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/165:58 pm
BWI
-
YYZ
2 stops17h 30m
Multiple Airlines
Mon 4/209:35 am
YYZ
-
BWI
1 stop23h 40m
Multiple Airlines
Deal found 3/25$303
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/165:30 am
BWI
-
YYZ
1 stop8h 35m
Multiple Airlines
Sat 4/186:30 am
YYZ
-
BWI
1 stop26h 55m
Multiple Airlines
Deal found 3/25$311
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/166:35 am
BWI
-
YTZ
1 stop5h 39m
Multiple Airlines
Sun 4/192:05 pm
YTZ
-
BWI
2 stops18h 38m
Multiple Airlines
Deal found 3/25$330
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 6/18:52 am
BWI
-
YTZ
2 stops28h 13m
Multiple Airlines
Sat 6/61:00 pm
YTZ
-
BWI
1 stop7h 07m
Multiple Airlines
Deal found 3/25$345
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/99:56 pm
BWI
-
YTZ
1 stop11h 01m
Multiple Airlines
Sat 5/1611:55 am
YTZ
-
BWI
2 stops8h 12m
Multiple Airlines
Deal found 3/25$348
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 4/159:59 pm
BWI
-
YTZ
1 stop14h 15m
Multiple Airlines
Sun 4/1910:30 am
YTZ
-
BWI
2 stops22h 13m
Multiple Airlines
Deal found 3/25$355

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Kiwi.com)

One-way from

$120
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$324
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. 4% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 29, 2026.
Use the filters below to find and compare flights from Baltimore to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 5/13

4:33 pm-8:00 pm

2 stops27h 27m

Ottawa

Sat 5/16

7:00 am-5:07 pm

1 stop10h 07m

$371

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Fri 5/8

9:56 pm-8:57 am

1 stop11h 01m

Toronto Island

Fri 5/15

4:00 pm-8:07 am

2 stops16h 07m

$408

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 4/16

6:35 am-12:14 pm

1 stop5h 39m

Toronto Island

Sun 4/19

2:30 pm-3:25 pm

1 stop24h 55m

$414

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Fri 5/8

7:30 am-1:12 pm

1 stop5h 42m

Toronto Island

Sat 5/9

3:05 pm-8:07 pm

1 stop5h 02m

$464

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 5/25

7:30 am-4:50 pm

1 stop9h 20m

Ottawa

Mon 6/1

10:10 am-11:18 pm

1 stop13h 08m

$464

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 7/30

8:17 am-5:19 pm

1 stop9h 02m

Toronto Pearson Intl

Thu 8/6

6:15 am-1:01 pm

1 stop6h 46m

$466

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 5/11

7:10 am-11:53 pm

1 stop16h 43m

Ottawa

Mon 5/18

7:00 am-6:43 pm

1 stop11h 43m

$475

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 4/21

7:11 pm-3:45 pm

1 stop20h 34m

Toronto Pearson Intl

Sun 4/26

4:55 pm-5:44 am

1 stop12h 49m

$476

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 6/4

8:00 am-5:43 pm

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

7:00 am-5:19 pm

1 stop10h 19m

$478

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 7/17

6:20 pm-11:55 pm

1 stop5h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 7/19

7:00 am-5:15 pm

1 stop10h 15m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). Flying from Baltimore to Region of Ontario in February is currently the most expensive (average of $179). 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.

How much does it cost to fly round-trip from Baltimore to Region of Ontario?

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 March 29, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet 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
428 reviews

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
428 reviews
Porter Airlines
8.0
Very good
428 reviews

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Delta
7.9
Good
8,358 reviews
Porter Airlines
8.0
Very good
428 reviews

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,303 reviews
Porter Airlines
8.0
Very good
428 reviews

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,854 reviews
Porter Airlines
8.0
Very good
428 reviews

Crew

8.6

Boarding

8.2

Overall

8.0

Food

7.6

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 5h 49m. There are 347 mi between Baltimore and Region of Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • 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, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of $105). Flying from Baltimore to Region of Ontario in February is currently the most expensive (average of $179). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Baltimore to Ontario

Discover the top 3 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$182Average$359FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$187Average$311FlexibilityNo cancel feeOn-time67%
WestJetCheapest$349Average$578FlexibilityNo cancel feeOn-time60%

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