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Cheap flights from Baltimore to Ontario from C$ 153

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Baltimore to Ontario

Enter your travel dates to find the best prices.

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 17 March 2026.

Thu 9/49:48 p.m.
BWI
-
YYZ
1 stop25h 32m
Multiple Airlines
Thu 16/48:00 p.m.
YYZ
-
BWI
1 stop13h 18m
Multiple Airlines
Deal found 12/3C$ 404
Wed 15/45:49 p.m.
BWI
-
YYZ
2 stops20h 27m
Multiple Airlines
Wed 22/46:30 a.m.
YYZ
-
BWI
1 stop26h 47m
Multiple Airlines
Deal found 16/3C$ 405
Tue 21/45:30 a.m.
BWI
-
YYZ
1 stop8h 35m
Multiple Airlines
Wed 29/46:30 a.m.
YYZ
-
BWI
1 stop26h 47m
Multiple Airlines
Deal found 12/3C$ 412
Tue 5/53:26 p.m.
BWI
-
YYZ
1 stop28h 39m
Multiple Airlines
Tue 12/57:45 a.m.
YYZ
-
BWI
1 stop25h 30m
Multiple Airlines
Deal found 16/3C$ 416
Mon 27/49:21 p.m.
BWI
-
YYZ
1 stop16h 44m
Multiple Airlines
Mon 4/58:10 a.m.
YYZ
-
BWI
1 stop12h 54m
Multiple Airlines
Deal found 13/3C$ 426
Thu 9/49:48 p.m.
BWI
-
YYZ
1 stop25h 32m
Multiple Airlines
Tue 14/43:40 p.m.
YYZ
-
BWI
1 stop17h 35m
Multiple Airlines
Deal found 12/3C$ 429
Mon 27/49:21 p.m.
BWI
-
YYZ
1 stop16h 44m
Multiple Airlines
Wed 29/46:30 a.m.
YYZ
-
BWI
1 stop15h 50m
Multiple Airlines
Deal found 12/3C$ 442
Tue 14/44:05 p.m.
BWI
-
YYZ
1 stop22h 00m
Multiple Airlines
Tue 21/46:30 a.m.
YYZ
-
BWI
1 stop15h 50m
Multiple Airlines
Deal found 15/3C$ 446
Thu 9/49:48 p.m.
BWI
-
YYZ
1 stop25h 32m
Multiple Airlines
Wed 15/46:30 a.m.
YYZ
-
BWI
1 stop26h 47m
Multiple Airlines
Deal found 13/3C$ 448
Tue 21/45:30 a.m.
BWI
-
YYZ
1 stop8h 35m
Multiple Airlines
Tue 28/46:30 a.m.
YYZ
-
BWI
1 stop15h 50m
Multiple Airlines
Deal found 12/3C$ 450
Tue 21/412:17 p.m.
BWI
-
YTZ
2 stops25h 25m
Multiple Airlines
Mon 27/47:35 p.m.
YTZ
-
BWI
1 stop12h 32m
Multiple Airlines
Deal found 15/3C$ 464
Wed 15/45:49 p.m.
BWI
-
YOW
2 stops30h 09m
Multiple Airlines
Wed 22/47:00 a.m.
YOW
-
BWI
1 stop26h 17m
Multiple Airlines
Deal found 16/3C$ 466

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 17 March 2026.

Round-trip from

C$ 404

One-way from

C$ 153

Popular in

March

Cheapest in

June

Average price

C$ 444
9/4-16/4
  • 9/4-16/4
  • 2 total stops
  • 38h 50m total
  • Baltimore to Ontario
Search Deals
7/4
  • 7/4
  • 1 total stop
  • 28h 08m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 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 629,999 searches. Data last updated 17 March 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

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 30/4

6:35 a.m.-12:14 p.m.

1 stop5h 39m

Toronto Island

Sat 2/5

3:05 p.m.-10:44 p.m.

1 stop7h 39m

C$ 535

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Tue 28/4

9:59 p.m.-8:54 a.m.

1 stop10h 55m

Toronto Island

Tue 5/5

6:00 p.m.-8:07 a.m.

1 stop14h 07m

C$ 540

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Tue 2/6

9:56 p.m.-8:57 a.m.

1 stop11h 01m

Toronto Island

Sat 6/6

3:05 p.m.-8:07 p.m.

1 stop5h 02m

C$ 581

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 15/5

6:00 a.m.-3:15 p.m.

1 stop9h 15m

Ottawa

Sat 16/5

7:00 a.m.-5:07 p.m.

1 stop10h 07m

C$ 596

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 15/5

6:00 a.m.-3:15 p.m.

1 stop9h 15m

Ottawa

Sun 17/5

2:30 p.m.-7:11 a.m.

1 stop16h 41m

C$ 609

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 14/6

11:30 a.m.-3:15 p.m.

1 stop27h 45m

Ottawa

Sat 20/6

2:30 p.m.-10:10 p.m.

1 stop7h 40m

C$ 627

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 14/4

10:09 a.m.-5:13 p.m.

1 stop7h 04m

Ottawa

Wed 15/4

4:45 p.m.-8:07 a.m.

2 stops15h 22m

C$ 631

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Fri 8/5

7:30 a.m.-6:58 p.m.

2 stops11h 28m

Toronto Island

Sat 9/5

3:05 p.m.-8:07 p.m.

1 stop5h 02m

C$ 642

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Fri 29/5

9:56 p.m.-8:57 a.m.

1 stop11h 01m

Toronto Island

Mon 1/6

5:40 p.m.-7:43 a.m.

2 stops14h 03m

C$ 659

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 15/4

5:30 a.m.-5:13 p.m.

2 stops11h 43m

Ottawa

Wed 22/4

3:35 p.m.-8:07 a.m.

2 stops16h 32m

C$ 664

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 144). Flying from Baltimore to Region of Ontario in February is currently the most expensive (average of C$ 245). 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 17 March 2026.
Read through reviews of airlines operating flights from Baltimore to Ontario, such as WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,296 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Comfort

7.0

Food

6.2

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,296 reviews
WestJet
7.2
Good
3,296 reviews
Check prices

Boarding

7.4

Entertainment

6.1

Comfort

7.0

Food

6.2

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

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?

    If you book a flight to Ontario from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 13.7 km from the centre of Baltimore.

  • How long is the flight from Baltimore to Region of Ontario?

    For as low as C$ 707, United Airlines can have you in Region of Ontario from Baltimore in 4h 58m. The distance between Baltimore and Region of Ontario is about 558 km. This flight may include one or multiple stops.

  • What are the most popular routes from Baltimore to Region of Ontario?

    While some choose either Baltimore/Washington - Toronto Pearson Intl or Baltimore/Washington - Toronto Island, Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl is the most popular 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 C$ 144). Flying from Baltimore to Region of Ontario in February is currently the most expensive (average of C$ 245). 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 airline flying from Baltimore to Ontario

Discover the top airline 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 629,999 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 453AverageC$ 804FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Baltimore to Ontario?

Deals for Baltimore to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Baltimore to Ontario.

Can Cheapflights find flights from Baltimore to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Baltimore to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Baltimore to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Baltimore today and book when prices fit your budget.

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