Find flights
When to book
Airlines
FAQs

Cheap flights from Baltimore to Ontario from C$ 108

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Baltimore to Ontario

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

Round-trip from

C$ 324

One-way from

C$ 108

Popular in

August

Cheapest in

April

Average price

C$ 373
3/6-11/6
  • 3/6-11/6
  • 2 total stops
  • 27h 49m total
  • Baltimore to Ontario
Search Deals
2/6
  • 2/6
  • 1 total stop
  • 26h 11m total
  • Baltimore to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 11 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 April 2025
Search Deals

Find 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 15 April 2025.

Tue 3/66:41 a.m.BWI - YYZ
1 stop7h 24mMultiple Airlines
Wed 11/69:45 a.m.YYZ - BWI
1 stop20h 25mMultiple Airlines
Deal found 14/4C$ 324
Fri 2/55:40 a.m.BWI - YYZ
1 stop6h 32mDelta
Mon 5/53:59 p.m.YYZ - BWI
1 stop7h 23mDelta
Deal found 14/4C$ 353
Tue 27/56:41 a.m.BWI - YUL
3 stops15h 34mMultiple Airlines
Sat 31/56:45 a.m.YUL - BWI
2 stops12h 07mMultiple Airlines
Deal found 15/4C$ 407
Tue 6/55:40 a.m.BWI - YYZ
1 stop4h 44mWestJet
Wed 7/53:50 p.m.YYZ - BWI
1 stop7h 30mWestJet
Deal found 14/4C$ 416
Wed 30/47:55 p.m.BWI - YTZ
2 stops23h 32mMultiple Airlines
Thu 8/512:00 p.m.YTZ - BWI
2 stops22h 59mMultiple Airlines
Deal found 15/4C$ 419
Thu 15/58:00 a.m.BWI - YUL
1 stop9h 40mDelta
Mon 19/512:44 p.m.YUL - BWI
1 stop10h 01mDelta
Deal found 14/4C$ 423
Thu 1/56:50 a.m.BWI - YOW
1 stop10h 25mMultiple Airlines
Wed 7/54:40 p.m.YOW - BWI
1 stop14h 51mMultiple Airlines
Deal found 15/4C$ 499
Tue 29/45:50 a.m.BWI - YUL
1 stop5h 43mWestJet
Tue 6/512:38 p.m.YUL - BWI
1 stop7h 22mWestJet
Deal found 15/4C$ 549
Sat 10/51:00 p.m.BWI - YOW
2 stops11h 22mDelta
Sat 17/56:05 a.m.YOW - BWI
2 stops11h 33mDelta
Deal found 15/4C$ 1,153
Fri 25/76:00 a.m.BWI - YOW
2 stops23h 25mWestJet
Mon 28/76:10 a.m.YOW - BWI
2 stops29h 00mWestJet
Deal found 14/4C$ 1,176
Mon 21/76:15 a.m.BWI - YOW
1 stop10h 51mUnited Airlines
Sun 27/76:33 a.m.YOW - BWI
1 stop7h 15mUnited Airlines
Deal found 15/4C$ 1,466

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 15 April 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

Tue 3/6

6:41 a.m.-2:05 p.m.

1 stop7h 24m

Toronto Pearson Intl

Wed 11/6

9:45 a.m.-6:10 a.m.

1 stop20h 25m

C$ 324

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Fri 2/5

5:40 a.m.-12:12 p.m.

1 stop6h 32m

Toronto Pearson Intl

Mon 5/5

3:59 p.m.-11:22 p.m.

1 stop7h 23m

C$ 353

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 27/5

6:41 a.m.-10:15 p.m.

3 stops15h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

6:45 a.m.-6:52 p.m.

2 stops12h 07m

C$ 407

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 6/5

5:40 a.m.-10:24 a.m.

1 stop4h 44m

Toronto Pearson Intl

Wed 7/5

3:50 p.m.-11:20 p.m.

1 stop7h 30m

C$ 416

BaltimoreToronto

BWI - YTZ

BWIYTZ

Baltimore/Washington

Wed 30/4

7:55 p.m.-7:27 p.m.

2 stops23h 32m

Toronto Island

Thu 8/5

12:00 p.m.-10:59 a.m.

2 stops22h 59m

C$ 419

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 15/5

8:00 a.m.-5:40 p.m.

1 stop9h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

12:44 p.m.-10:45 p.m.

1 stop10h 01m

C$ 423

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/5

6:50 a.m.-5:15 p.m.

1 stop10h 25m

Ottawa

Wed 7/5

4:40 p.m.-7:31 a.m.

1 stop14h 51m

C$ 499

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Tue 29/4

5:50 a.m.-11:33 a.m.

1 stop5h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 6/5

12:38 p.m.-8:00 p.m.

1 stop7h 22m

C$ 549

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 10/5

1:00 p.m.-12:22 a.m.

2 stops11h 22m

Ottawa

Sat 17/5

6:05 a.m.-5:38 p.m.

2 stops11h 33m

C$ 1,153

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 25/7

6:00 a.m.-5:25 a.m.

2 stops23h 25m

Ottawa

Mon 28/7

6:10 a.m.-11:10 a.m.

2 stops29h 00m

C$ 1,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 25 results
1
2
3

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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 167). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 BWI to ON?

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

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

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 15 April 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Baltimore to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,805 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Sun Country Air
6.9
Okay
349 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Baltimore to Region of Ontario one-way?

    C$ 139 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on WestJet and Sun Country Air, with prices starting from C$ 193 and C$ 256, respectively.

  • 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, January is the cheapest month in which you can book a flight from Baltimore to Region of Ontario (average of C$ 167). Flying from Baltimore to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Vancouver Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Baltimore to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Vancouver Intl flights
Baltimore to Pearson Intl flights
Philadelphia to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Philadelphia to Vancouver Intl flights
Baltimore to Calgary flights
Reagan-National to Calgary flights
Philadelphia to Calgary flights
Dulles Intl to Halifax flights
Dulles Intl to Ottawa flights
Dulles Intl to Abbotsford flights
Baltimore to Halifax flights
Baltimore to Toronto Island flights
Dulles Intl to Québec City flights
Reagan-National to Ottawa flights
Philadelphia to Québec City flights
Philadelphia to Halifax flights
Reagan-National to Québec City flights
Dulles Intl to Edmonton flights
Dulles Intl to Winnipeg flights
Philadelphia to Toronto Island flights
Baltimore to Winnipeg flights
Baltimore to Québec City flights
Dulles Intl to Charlottetown flights
Baltimore to Ottawa flights
Reagan-National to Edmonton flights
Baltimore to Edmonton flights
Reagan-National to Winnipeg flights
Baltimore to Charlottetown flights
Reagan-National to Toronto Island flights
Dulles Intl to Victoria flights
Philadelphia to Ottawa flights
Philadelphia to Winnipeg flights
Philadelphia to Edmonton flights
Philadelphia to St. John's 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 473AverageC$ 623FlexibilityNo 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.