HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$112+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(Air Canada)

One-way from

$112
(FlightHub)

Popular in

August

Cheapest in

April

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. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 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 1, 2025.

This Air Canada deal was found by Cheapflights users on 3/31. 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 6/312:45 pmYYZ - IAD
Nonstop1h 34mAir Canada
Tue 6/1012:40 pmIAD - YYZ
Nonstop1h 39mAir Canada
Deal found 3/31$176
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/168:55 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 4/207:00 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 3/31$179
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/168:55 pmYTZ - IAD
Nonstop1h 29mMultiple Airlines
Wed 4/301:45 pmIAD - YTZ
Nonstop1h 30mMultiple Airlines
Deal found 3/31$181
This United Airlines deal was found by Cheapflights users on 4/1. 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 8/54:40 pmYYZ - IAD
1 stop18h 35mUnited Airlines
Wed 8/62:25 pmIAD - YYZ
Nonstop1h 36mUnited Airlines
Deal found 4/1$188
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Wed 5/71:35 pmYTZ - IAD
Nonstop1h 31mAir Transat
Sat 5/104:20 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 3/30$198
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/66:10 pmYYZ - DCA
Nonstop1h 33mUnited Airlines
Wed 5/77:00 amDCA - YYZ
1 stop5h 46mUnited Airlines
Deal found 3/31$200
This Vliegwinkel deal was found by Cheapflights users on 3/31. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:20 amYYZ - DCA
Nonstop1h 33mAir Canada
Sun 4/276:59 amDCA - YYZ
Nonstop1h 33mAir Canada
Deal found 3/31$208
This Delta deal was found by Cheapflights users on 3/31. 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.
Mon 4/285:00 pmYYZ - DCA
1 stop5h 50mDelta
Mon 5/511:00 amDCA - YYZ
1 stop5h 10mDelta
Deal found 3/31$210
This Mytrip deal was found by Cheapflights users on 3/31. 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 4/248:25 amYTZ - IAD
1 stop6h 48mAir Canada
Sun 4/273:55 pmIAD - YTZ
1 stop5h 40mAir Canada
Deal found 3/31$213
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 4/256:00 amYYZ - IAD
1 stop7h 01mDelta
Tue 4/296:00 amIAD - YYZ
1 stop5h 25mDelta
Deal found 3/31$221
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1711:00 amYYZ - DCA
Nonstop1h 40mAmerican Airlines
Tue 4/2210:10 amDCA - YYZ
Nonstop1h 45mAmerican Airlines
Deal found 3/31$230
This Kissandfly.com deal was found by Cheapflights users on 3/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/244:00 pmYUL - IAD
1 stop6h 24mPorter Airlines
Sun 4/272:00 pmIAD - YUL
1 stop4h 02mPorter Airlines
Deal found 3/31$233

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 1, 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.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/3

12:45 pm-2:19 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

Tue 6/10

12:40 pm-2:19 pm

Nonstop1h 39m

$176

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 4/16

8:55 pm-10:24 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 4/20

7:00 am-8:30 am

Nonstop1h 30m

$179

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 6/3

10:20 am-4:15 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Wed 6/4

1:00 pm-6:37 pm

1 stop5h 37m

$180

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 4/16

8:55 pm-10:24 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 4/30

1:45 pm-3:15 pm

Nonstop1h 30m

$181

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 8/5

4:40 pm-11:15 am

1 stop18h 35m

Washington, D.C. Dulles Intl

Wed 8/6

2:25 pm-4:01 pm

Nonstop1h 36m

$188

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 5/7

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 5/12

11:35 am-1:08 pm

Nonstop1h 33m

$198

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 5/6

6:10 pm-7:43 pm

Nonstop1h 33m

Washington, D.C. Reagan-National

Wed 5/7

7:00 am-12:46 pm

1 stop5h 46m

$200

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 4/24

7:20 am-8:53 am

Nonstop1h 33m

Washington, D.C. Reagan-National

Sun 4/27

6:59 am-8:32 am

Nonstop1h 33m

$208

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 4/28

5:00 pm-10:50 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Mon 5/5

11:00 am-4:10 pm

1 stop5h 10m

$210

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 4/25

6:00 am-1:01 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 4/29

6:00 am-11:25 am

1 stop5h 25m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 1, 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 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Porter Airlines 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
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
278 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Transat
7.8
Good
381 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Comfort

7.9

Food

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $112 on Air Transat. Other airlines that offer cheap prices include Air Canada from $113 and Porter Airlines from $113 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.
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Toronto Island to Newark flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Fort Lauderdale flights
Vancouver Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Dallas/Fort Worth flights
Vancouver Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Vancouver Intl to Newark flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Nashville flights
Pearson Intl to Seattle flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to O'Hare Intl flights
Vancouver Intl to San Francisco flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Pearson Intl to Atlanta flights
Vancouver Intl to Honolulu flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Boston flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to Palm Springs flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Austin flights
Vancouver Intl to LaGuardia flights
Toronto Island to Boston flights
Pierre Elliott Trudeau Intl to San Francisco flights
Vancouver Intl to Santa Ana flights
Toronto Island to Midway flights
Pearson Intl to Reagan-National flights
Vancouver Intl to Ontario flights
Vancouver Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Fort Myers flights

Top 2 airlines flying from Ontario to Maryland

Discover the top 2 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$221Average$280FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$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.