Find flights
When to book
FAQs

Cheap flights from Ontario to Baltimore from C$ 174

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Baltimore

Keep the following information in mind while searching for Ontario to Baltimore flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 278

One-way from

C$ 174

Popular in

June

Cheapest in

April

Average price

C$ 326
15/10-22/10
  • 15/10-22/10
  • 2 total stops
  • 29h 03m total
  • Ontario to Baltimore
Search Deals
7/10
  • 7/10
  • 1 total stop
  • 17h 02m total
  • Ontario to Baltimore
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Baltimore

Cheapest flights from Ontario to Baltimore
Explore the most affordable flight options available from Ontario to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 15/106:30 a.m.YYZ - BWI
1 stop8h 18mMultiple Airlines
Wed 22/105:20 p.m.BWI - YYZ
1 stop20h 45mMultiple Airlines
Deal found 15/9C$ 278
Mon 10/114:00 p.m.YYZ - BWI
1 stop7h 42mMultiple Airlines
Thu 13/116:50 p.m.BWI - YYZ
1 stop26h 17mMultiple Airlines
Deal found 15/9C$ 311
Mon 10/114:00 p.m.YYZ - BWI
1 stop7h 42mMultiple Airlines
Sun 16/116:50 p.m.BWI - YYZ
1 stop26h 17mMultiple Airlines
Deal found 15/9C$ 318
Wed 29/105:15 p.m.YYZ - BWI
1 stop15h 19mMultiple Airlines
Mon 3/116:56 a.m.BWI - YYZ
1 stop7h 44mMultiple Airlines
Deal found 15/9C$ 322
Thu 30/105:15 p.m.YYZ - BWI
1 stop15h 19mMultiple Airlines
Thu 6/119:37 p.m.BWI - YYZ
1 stop22h 23mMultiple Airlines
Deal found 15/9C$ 325
Thu 2/106:30 a.m.YYZ - BWI
1 stop14h 50mMultiple Airlines
Mon 6/108:21 p.m.BWI - YYZ
1 stop17h 44mMultiple Airlines
Deal found 15/9C$ 326
Thu 2/106:30 a.m.YYZ - BWI
1 stop14h 50mMultiple Airlines
Sun 5/105:37 p.m.BWI - YYZ
1 stop27h 30mMultiple Airlines
Deal found 13/9C$ 333
Thu 30/107:15 a.m.YYZ - BWI
2 stops12h 11mMultiple Airlines
Mon 3/116:56 a.m.BWI - YYZ
1 stop7h 44mMultiple Airlines
Deal found 15/9C$ 338
Tue 30/96:30 a.m.YYZ - BWI
1 stop28h 31mMultiple Airlines
Sun 5/105:37 p.m.BWI - YYZ
1 stop27h 30mMultiple Airlines
Deal found 13/9C$ 340
Tue 30/96:30 a.m.YYZ - BWI
1 stop28h 31mMultiple Airlines
Mon 6/108:21 p.m.BWI - YYZ
1 stop17h 44mMultiple Airlines
Deal found 13/9C$ 341
Mon 13/104:00 p.m.YYZ - BWI
1 stop6h 36mMultiple Airlines
Thu 16/105:37 p.m.BWI - YYZ
1 stop27h 30mMultiple Airlines
Deal found 15/9C$ 345
Tue 30/94:25 p.m.YOW - BWI
1 stop23h 04mMultiple Airlines
Fri 3/108:21 a.m.BWI - YOW
2 stops16h 01mMultiple Airlines
Deal found 13/9C$ 416

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Baltimore 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 15 September 2025.
Use the filters below to find and compare flights from Ontario to Baltimore that are best for you.

Fly from

Ontario

Fly to

Baltimore

Route

Depart

Return

Price

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 2/10

6:30 a.m.-9:20 p.m.

1 stop14h 50m

Baltimore/Washington

Mon 6/10

8:21 p.m.-2:05 p.m.

1 stop17h 44m

C$ 334

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 29/9

4:00 p.m.-10:23 p.m.

1 stop6h 23m

Baltimore/Washington

Mon 6/10

8:21 p.m.-2:05 p.m.

1 stop17h 44m

C$ 366

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Thu 23/10

9:35 a.m.-9:18 p.m.

1 stop11h 43m

Baltimore/Washington

Sun 26/10

8:30 p.m.-8:00 p.m.

1 stop23h 30m

C$ 391

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 7/11

12:50 p.m.-8:32 p.m.

1 stop7h 42m

Baltimore/Washington

Sun 9/11

6:50 p.m.-8:00 p.m.

2 stops25h 10m

C$ 392

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Wed 22/10

6:30 a.m.-2:48 p.m.

1 stop8h 18m

Baltimore/Washington

Mon 27/10

8:21 p.m.-11:43 a.m.

1 stop15h 22m

C$ 402

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Tue 30/9

4:25 p.m.-3:29 p.m.

1 stop23h 04m

Baltimore/Washington

Fri 3/10

8:21 a.m.-12:22 a.m.

2 stops16h 01m

C$ 416

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 3/10

3:50 p.m.-9:32 a.m.

1 stop17h 42m

Baltimore/Washington

Sat 4/10

8:16 p.m.-5:20 p.m.

1 stop21h 04m

C$ 421

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Wed 29/10

9:30 a.m.-8:34 a.m.

1 stop23h 04m

Baltimore/Washington

Wed 5/11

2:30 p.m.-5:25 p.m.

1 stop26h 55m

C$ 423

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 3/10

4:25 p.m.-3:17 p.m.

1 stop22h 52m

Baltimore/Washington

Sun 5/10

8:13 a.m.-5:20 p.m.

1 stop9h 07m

C$ 427

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Mon 20/10

4:25 p.m.-10:20 a.m.

1 stop17h 55m

Baltimore/Washington

Fri 24/10

8:21 p.m.-5:20 p.m.

1 stop20h 59m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Ontario 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 Ontario to Baltimore

What is the cheapest month to book a flight from Region of Ontario to Baltimore?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of C$ 327). Flying from Region of Ontario to Baltimore in June is currently the most expensive (average of C$ 398). 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 ON to BWI?

Find hourly flight availability from Ontario to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Baltimore as you normally would.

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Baltimore. 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 into for flights to Baltimore from Ontario?

    Located just 13.7 km from the city centre, Baltimore/Washington (BWI) is the airport most travelers will use when flying to Baltimore from Ontario.

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

    When deciding which route to take from Region of Ontario to Baltimore consider Toronto Pearson Intl - Baltimore/Washington, Montreal Pierre Elliott Trudeau Intl - Baltimore/Washington or Toronto Island - Baltimore/Washington as they are the most popular.

  • Can I find deals for flights from Ontario to Baltimore that include hotel bookings?

    Yes. In addition to deals on Ontario to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Baltimore.

  • Can I find deals for business class flights from Ontario to Baltimore?

    Yes. Cheapflights offers flight deals from Ontario to Baltimore 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 Region of Ontario to Baltimore?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Baltimore (average of C$ 327). Flying from Region of Ontario to Baltimore in June is currently the most expensive (average of C$ 398). 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 Ontario to Baltimore

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

Top 5 airlines flying from Ontario to Baltimore

Discover the top 5 airlines that operate flights from Ontario to Baltimore. 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 200AverageC$ 334FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 239AverageC$ 347FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 310AverageC$ 373FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 350AverageC$ 782FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 392AverageC$ 570FlexibilityNo 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 Ontario to Baltimore?

When you search for this flight from Ontario to Baltimore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Baltimore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Baltimore from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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