Find flights
When to book
Airlines
FAQs

Cheap flights from Baltimore to Ontario from C$ 156

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
31 May — 7 Jun1
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 1 May 2026.

Tue 2/66:30 a.m.
BWI
-
YYZ
1 stop7h 35m
Multiple Airlines
Sat 6/66:30 a.m.
YYZ
-
BWI
1 stop16h 59m
Multiple Airlines
Deal found 26/4C$ 387
Tue 26/54:33 p.m.
BWI
-
YYZ
2 stops29h 22m
Multiple Airlines
Tue 2/66:30 a.m.
YYZ
-
BWI
1 stop8h 58m
Multiple Airlines
Deal found 26/4C$ 409
Thu 28/57:10 a.m.
BWI
-
YYZ
2 stops14h 45m
Multiple Airlines
Tue 2/66:30 a.m.
YYZ
-
BWI
1 stop8h 58m
Multiple Airlines
Deal found 28/4C$ 417
Wed 27/54:33 p.m.
BWI
-
YYZ
1 stop28h 27m
Multiple Airlines
Wed 3/69:50 a.m.
YYZ
-
BWI
1 stop23h 25m
Multiple Airlines
Deal found 29/4C$ 424
Thu 28/53:26 p.m.
BWI
-
YYZ
2 stops25h 43m
Multiple Airlines
Thu 4/64:15 p.m.
YYZ
-
BWI
1 stop20h 00m
Multiple Airlines
Deal found 27/4C$ 427
Sat 30/57:27 p.m.
BWI
-
YYZ
1 stop19h 33m
Multiple Airlines
Sun 28/67:30 a.m.
YYZ
-
BWI
1 stop28h 43m
Multiple Airlines
Deal found 26/4C$ 437
Sat 13/61:10 p.m.
BWI
-
YYZ
1 stop7h 45m
Multiple Airlines
Tue 16/66:30 a.m.
YYZ
-
BWI
1 stop8h 58m
Multiple Airlines
Deal found 29/4C$ 445
Fri 15/56:30 a.m.
BWI
-
YOW
1 stop8h 30m
Multiple Airlines
Mon 18/54:20 p.m.
YOW
-
BWI
2 stops23h 34m
Multiple Airlines
Deal found 27/4C$ 502
Sat 6/61:34 p.m.
BWI
-
YOW
2 stops22h 43m
Multiple Airlines
Sat 13/67:00 a.m.
YOW
-
BWI
1 stop13h 35m
Multiple Airlines
Deal found 27/4C$ 503
Mon 15/61:10 p.m.
BWI
-
YUL
2 stops11h 15m
Multiple Airlines
Fri 19/67:20 p.m.
YUL
-
BWI
1 stop27h 52m
Multiple Airlines
Deal found 28/4C$ 529
Sat 13/61:10 p.m.
BWI
-
YUL
2 stops11h 15m
Multiple Airlines
Sat 20/67:20 p.m.
YUL
-
BWI
1 stop27h 52m
Multiple Airlines
Deal found 29/4C$ 537
Wed 27/54:33 p.m.
BWI
-
YUL
2 stops21h 35m
Multiple Airlines
Wed 3/66:45 a.m.
YUL
-
BWI
2 stops16h 44m
Multiple Airlines
Deal found 27/4C$ 542

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 1 May 2026.

Round-trip from

C$ 387

One-way from

C$ 156

Popular in

November

Cheapest in

June

Average price

C$ 394
2/6-6/6
  • 2/6-6/6
  • 2 total stops
  • 24h 34m total
  • Baltimore to Ontario
Search Deals
10/6
  • 10/6
  • 1 total stop
  • 24h 55m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 1 May 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

Sat 30/5

6:45 a.m.-4:50 p.m.

2 stops34h 05m

Ottawa

Sat 6/6

7:00 a.m.-11:29 p.m.

1 stop16h 29m

C$ 557

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 19/6

9:09 a.m.-4:45 p.m.

1 stop7h 36m

Toronto Pearson Intl

Sun 21/6

4:45 p.m.-8:14 a.m.

2 stops15h 29m

C$ 658

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 16/7

9:39 a.m.-5:24 p.m.

1 stop7h 45m

Toronto Pearson Intl

Mon 20/7

7:45 a.m.-1:01 p.m.

1 stop5h 16m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 15/5

6:29 p.m.-11:58 p.m.

1 stop5h 29m

Toronto Pearson Intl

Mon 18/5

4:04 p.m.-11:17 p.m.

1 stop7h 13m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 17/7

5:00 p.m.-11:58 p.m.

1 stop6h 58m

Toronto Pearson Intl

Sun 19/7

6:00 a.m.-3:53 p.m.

1 stop9h 53m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 4/6

7:00 a.m.-12:19 p.m.

1 stop5h 19m

Toronto Pearson Intl

Sun 7/6

6:15 a.m.-3:58 p.m.

1 stop9h 43m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sun 10/5

6:10 a.m.-1:30 p.m.

1 stop7h 20m

Toronto Pearson Intl

Mon 11/5

4:04 p.m.-11:17 p.m.

1 stop7h 13m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 2/7

8:17 a.m.-5:19 p.m.

1 stop9h 02m

Toronto Pearson Intl

Mon 6/7

7:45 a.m.-5:19 p.m.

1 stop9h 34m

C$ 663
Quickest round-trip

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 25/6

6:24 p.m.-11:58 p.m.

1 stop5h 34m

Toronto Pearson Intl

Fri 14/8

1:30 p.m.-6:52 p.m.

1 stop5h 22m

C$ 663

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 28/5

6:00 a.m.-12:19 p.m.

1 stop6h 19m

Toronto Pearson Intl

Fri 29/5

1:34 p.m.-8:50 p.m.

1 stop7h 16m

C$ 663

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
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, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 135). Flying from Baltimore to Region of Ontario in January is currently the most expensive (average of C$ 357). 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 1 May 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
3,331 reviews
Check prices

Boarding

7.4

Crew

7.9

Entertainment

6.1

Overall

7.2

Comfort

7.0

Food

6.2

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
3,331 reviews
WestJet
7.2
Good
3,331 reviews
Check prices

Boarding

7.4

Crew

7.9

Entertainment

6.1

Overall

7.2

Comfort

7.0

Food

6.2

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$ 663, Delta can have you in Region of Ontario from Baltimore in 7h 45m. 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 - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Toronto Island, Baltimore/Washington - Toronto Pearson 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, June is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 135). Flying from Baltimore to Region of Ontario in January is currently the most expensive (average of C$ 357). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Baltimore to Pearson Intl flights
Reagan-National to Vancouver Intl flights
Philadelphia to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Baltimore to Calgary flights
Reagan-National to Toronto Island flights
Baltimore to Vancouver Intl flights
Reagan-National to Calgary flights
Baltimore to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Philadelphia to Vancouver Intl flights
Dulles Intl to Ottawa flights
Philadelphia to Calgary flights
Dulles Intl to Québec City flights
Philadelphia to Toronto Island flights
Dulles Intl to Abbotsford flights
Reagan-National to Ottawa flights
Dulles Intl to Halifax flights
Reagan-National to Québec City flights
Baltimore to Halifax flights
Baltimore to Québec City flights
Philadelphia to Québec City flights
Dulles Intl to Winnipeg flights
Dulles Intl to Edmonton flights
Philadelphia to Halifax flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Baltimore to Edmonton flights
Reagan-National to Edmonton flights
Philadelphia to Edmonton flights
Baltimore to Winnipeg flights
Reagan-National to Winnipeg flights
Philadelphia to Winnipeg flights
Philadelphia to Ottawa flights
Baltimore to Regina flights
Dulles Intl to Kelowna flights
Dulles Intl to Victoria flights

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 1 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 452AverageC$ 809FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.