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Cheap flights from Baltimore to Ontario from C$ 127

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
11 Jan — 18 Jan1
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 12 December 2025.

Mon 15/1210:40 a.m.BWI - YYZ
1 stop13h 31mMultiple Airlines
Mon 5/18:20 p.m.YYZ - BWI
1 stop12h 09mMultiple Airlines
Deal found 10/12C$ 490
Tue 16/1210:40 a.m.BWI - YYZ
1 stop13h 31mMultiple Airlines
Mon 5/18:20 p.m.YYZ - BWI
1 stop12h 09mMultiple Airlines
Deal found 10/12C$ 499
Tue 30/129:09 p.m.BWI - YYZ
1 stop17h 11mMultiple Airlines
Mon 5/18:30 p.m.YYZ - BWI
2 stops27h 59mMultiple Airlines
Deal found 11/12C$ 534
Mon 15/1210:40 a.m.BWI - YYZ
1 stop13h 45mMultiple Airlines
Wed 17/127:10 a.m.YYZ - BWI
1 stop24h 12mMultiple Airlines
Deal found 11/12C$ 538
Mon 15/1210:40 a.m.BWI - YYZ
1 stop13h 45mMultiple Airlines
Tue 16/128:30 p.m.YYZ - BWI
2 stops34h 52mMultiple Airlines
Deal found 11/12C$ 545
Sun 14/128:00 p.m.BWI - YYZ
1 stop28h 11mMultiple Airlines
Tue 16/128:30 p.m.YYZ - BWI
1 stop22h 25mMultiple Airlines
Deal found 10/12C$ 559
Wed 31/128:45 a.m.BWI - YYZ
2 stops12h 34mMultiple Airlines
Mon 5/18:20 p.m.YYZ - BWI
1 stop12h 09mMultiple Airlines
Deal found 11/12C$ 563
Thu 11/124:38 p.m.BWI - YYZ
1 stop22h 15mMultiple Airlines
Sun 14/128:00 p.m.YYZ - BWI
1 stop11h 42mMultiple Airlines
Deal found 10/12C$ 572
Fri 26/129:09 p.m.BWI - YYZ
1 stop17h 04mMultiple Airlines
Mon 5/18:20 p.m.YYZ - BWI
1 stop12h 09mMultiple Airlines
Deal found 10/12C$ 575
Tue 23/127:10 a.m.BWI - YYZ
1 stop16h 10mMultiple Airlines
Mon 5/17:15 a.m.YYZ - BWI
2 stops25h 14mMultiple Airlines
Deal found 11/12C$ 578
Tue 30/129:09 p.m.BWI - YUL
1 stop27h 21mMultiple Airlines
Tue 6/15:25 p.m.YUL - BWI
2 stops15h 04mMultiple Airlines
Deal found 11/12C$ 581
Wed 31/126:30 a.m.BWI - YUL
1 stop8h 40mMultiple Airlines
Tue 6/15:25 p.m.YUL - BWI
2 stops15h 04mMultiple Airlines
Deal found 11/12C$ 633

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 12 December 2025.

Round-trip from

C$ 317

One-way from

C$ 127

Popular in

November

Cheapest in

June

Average price

C$ 412
2/2-6/2
  • 2/2-6/2
  • 4 total stops
  • 34h 42m total
  • Baltimore to Ontario
Search Deals
25/1
  • 25/1
  • 1 total stop
  • 20h 53m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 42 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 December 2025
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 12 December 2025.
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

Fri 6/2

6:20 a.m.-2:53 p.m.

1 stop8h 33m

Toronto Pearson Intl

Mon 9/2

7:15 a.m.-10:41 p.m.

1 stop15h 26m

C$ 374

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 4/2

6:20 a.m.-10:03 p.m.

2 stops15h 43m

Toronto Island

Sun 8/2

2:05 p.m.-8:31 a.m.

2 stops18h 26m

C$ 396

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Thu 8/1

1:00 p.m.-11:20 p.m.

1 stop10h 20m

Toronto Pearson Intl

Fri 9/1

8:20 p.m.-11:17 a.m.

1 stop14h 57m

C$ 400

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 29/1

12:05 p.m.-1:47 p.m.

1 stop25h 42m

Toronto Island

Fri 6/2

7:45 a.m.-10:41 p.m.

2 stops14h 56m

C$ 432

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 9/1

6:00 a.m.-2:16 p.m.

1 stop8h 16m

Toronto Pearson Intl

Sat 24/1

7:15 a.m.-11:47 p.m.

2 stops16h 32m

C$ 452

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 2/2

1:00 p.m.-5:25 p.m.

1 stop28h 25m

Ottawa

Fri 6/2

4:20 p.m.-11:47 p.m.

1 stop7h 27m

C$ 462

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 2/2

6:56 p.m.-5:25 p.m.

2 stops22h 29m

Ottawa

Thu 5/2

4:20 p.m.-11:47 p.m.

1 stop7h 27m

C$ 465

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 24/1

9:26 a.m.-12:25 a.m.

1 stop14h 59m

Ottawa

Sat 31/1

9:40 a.m.-6:50 p.m.

1 stop9h 10m

C$ 499

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Sun 11/1

4:44 p.m.-8:11 p.m.

3 stops27h 27m

Toronto Pearson Intl

Sun 25/1

12:15 p.m.-11:36 p.m.

3 stops35h 21m

C$ 506

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Thu 29/1

6:20 a.m.-10:03 p.m.

2 stops15h 43m

Toronto Island

Sun 1/2

2:05 p.m.-10:27 a.m.

3 stops20h 22m

C$ 510

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 60 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 C$ 127). Flying from Baltimore to Region of Ontario in August is currently the most expensive (average of C$ 236). 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 12 December 2025.
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
3,195 reviews
Check prices

Entertainment

6.1

Food

6.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
3,195 reviews
WestJet
7.2
Good
3,195 reviews
Check prices

Entertainment

6.1

Food

6.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

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$ 848, United Airlines can have you in Region of Ontario from Baltimore in 20h 42m. The distance between Baltimore and Region of Ontario is about 739 km.

  • 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, March is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 127). Flying from Baltimore to Region of Ontario in August is currently the most expensive (average of C$ 236). 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.
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Vancouver Intl flights
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Dulles Intl to Toronto Island flights
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Philadelphia to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
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Philadelphia to Vancouver Intl flights
Baltimore to Calgary flights
Reagan-National to Calgary flights
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Philadelphia to Calgary flights
Reagan-National to Toronto Island flights
Philadelphia to Toronto Island flights
Dulles Intl to Québec City flights
Reagan-National to Québec City flights
Philadelphia to Québec City flights
Baltimore to Toronto Island flights
Baltimore to Québec City flights
Baltimore to Ottawa flights
Dulles Intl to Abbotsford flights
Philadelphia to Halifax flights
Dulles Intl to Halifax flights
Reagan-National to Winnipeg flights
Dulles Intl to Edmonton flights
Dulles Intl to Winnipeg flights
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Baltimore to Winnipeg flights
Philadelphia to Kelowna flights
Reagan-National to Edmonton flights
Dulles Intl to Kelowna flights
Philadelphia to Hamilton flights
Philadelphia to Winnipeg flights
Baltimore to Edmonton flights
Reagan-National to Victoria flights
Dulles Intl to Victoria flights
Philadelphia to Ottawa 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 457AverageC$ 632FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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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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