HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$110+ Cheap flights from Ontario to Maryland

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Maryland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Maryland

Keep the following information in mind while searching for Ontario to Maryland flight deals. Data was last updated April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$173
(FlightHub)

One-way from

$110
(Booking.com)

Popular in

August

Cheapest in

March

Average price

$238
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
Search Deals
From Ontario to Maryland
Search Deals
One-way flight from Ontario to Maryland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ontario to Maryland

Cheapest flights from Ontario to Maryland
Explore the most affordable flight options available from Ontario to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/301:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Fri 6/134:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 4/16$173
This Air Canada deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:20 amYTZ - IAD
1 stop5h 55mAir Canada
Wed 6/41:00 pmIAD - YTZ
1 stop5h 37mAir Canada
Deal found 4/16$174
This Air Canada deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:47 pmYYZ - IAD
Nonstop1h 40mAir Canada
Tue 6/108:18 amIAD - YYZ
1 stop6h 42mAir Canada
Deal found 4/15$174
This Air Canada deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/309:00 amYYZ - DCA
1 stop6h 24mAir Canada
Sat 5/38:40 pmDCA - YYZ
Nonstop1h 33mAir Canada
Deal found 4/16$176
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:15 amYYZ - IAD
1 stop12h 53mUnited Airlines
Wed 10/88:28 amIAD - YYZ
Nonstop1h 36mUnited Airlines
Deal found 4/16$178
This Mytrip deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:45 amYTZ - IAD
Nonstop1h 31mMultiple Airlines
Sun 5/49:45 amIAD - YTZ
1 stop5h 05mMultiple Airlines
Deal found 4/16$182
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:03 amYYZ - IAD
1 stop5h 37mDelta
Wed 6/116:00 amIAD - YYZ
1 stop5h 20mDelta
Deal found 4/16$202
This United deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:05 pmYYZ - IAD
1 stop4h 10mMultiple Airlines
Mon 5/265:31 pmIAD - YYZ
1 stop5h 43mMultiple Airlines
Deal found 4/16$206
This FlightHub deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/41:35 pmYTZ - IAD
Nonstop1h 31mAir Transat
Sun 5/114:20 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 4/17$223
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Tue 5/274:20 pmIAD - YUL
1 stop3h 50mPorter Airlines
Deal found 4/15$225
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:05 pmYYZ - BWI
1 stop5h 15mDelta
Tue 6/1011:57 amBWI - YYZ
2 stops8h 47mDelta
Deal found 4/15$226
This Air Canada deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/259:15 amYUL - IAD
Nonstop1h 59mAir Canada
Tue 5/271:52 pmIAD - YUL
Nonstop1h 57mAir Canada
Deal found 4/17$230

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Maryland 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 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Ontario to Maryland that are best for you.

Fly from

Ontario

Fly to

Maryland

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 5/30

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Fri 6/13

4:20 pm-5:53 pm

Nonstop1h 33m

$173

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/3

7:47 pm-9:27 pm

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 6/10

8:18 am-3:00 pm

1 stop6h 42m

$174

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 5/2

4:20 pm-9:13 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Tue 5/6

3:18 pm-9:35 pm

1 stop6h 17m

$175

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 4/30

9:00 am-3:24 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Sat 5/3

8:40 pm-10:13 pm

Nonstop1h 33m

$176

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/7

8:15 am-9:08 pm

1 stop12h 53m

Washington, D.C. Dulles Intl

Wed 10/8

8:28 am-10:04 am

Nonstop1h 36m

$178

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 5/1

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 5/4

3:18 pm-9:35 pm

1 stop6h 17m

$182

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 5/29

6:03 am-11:40 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Wed 6/11

6:00 am-11:20 am

1 stop5h 20m

$202

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 5/23

12:05 pm-4:15 pm

1 stop4h 10m

Washington, D.C. Dulles Intl

Mon 5/26

5:31 pm-11:14 pm

1 stop5h 43m

$206

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 5/23

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 5/25

4:20 pm-5:53 pm

Nonstop1h 33m

$223

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 5/14

10:45 am-3:06 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Tue 5/27

4:20 pm-8:10 pm

1 stop3h 50m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

Best time to book a flight from Ontario to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland 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 Maryland

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of $241). Flying from Region of Ontario to Maryland in March is currently the most expensive (average of $290). 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 MD?

Find hourly flight availability from Ontario to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 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 Maryland as you normally would.

Rainfall in Maryland by month

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

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

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

If weather is an important factor for your trip to Maryland, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Porter Airlines and Delta from Ontario to Maryland to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Porter Airlines
8.0
Very good
281 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Air Transat
7.8
Good
385 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Ontario to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $110 on Air Canada. Other airlines that offer cheap prices include American Airlines from $111 and Porter Airlines from $111 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Maryland 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 Maryland?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of $241). Flying from Region of Ontario to Maryland in March is currently the most expensive (average of $290). 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 Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Pearson Intl to Miami flights
Pearson Intl to Orlando flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Miami flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Calgary to Las Vegas flights
Vancouver Intl to Newark flights
Pearson Intl to Reagan-National flights
Vancouver Intl to San Francisco flights
Pearson Intl to Seattle flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Sky Harbor Intl flights
Vancouver Intl to O'Hare Intl flights
Pearson Intl to Nashville flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pearson Intl to Atlanta flights
Pearson Intl to Boston flights
Vancouver Intl to San Diego flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Tampa flights
Vancouver Intl to Honolulu flights
Pearson Intl to George Bush Intcntl flights
Toronto Island to Orlando flights
Vancouver Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Toronto Island to Boston flights
Vancouver Intl to LaGuardia flights
Vancouver Intl to Seattle flights
Vancouver Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Francisco flights
Ottawa to Newark flights
Pearson Intl to Midway flights

Top 3 airlines flying from Ontario to Maryland

Discover the top 3 airlines that operate flights from Ontario to Maryland. 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 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$374FlexibilityNo cancel feeOn-time67%
DeltaCheapest$221Average$288FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$280Average$404FlexibilityNo cancel feeOn-time60%

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.