Maryland

$117+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
ago 5 — ago 121
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 julho 31, 2025.

Round-trip from

$164
(KAYAK)

One-way from

$117
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$289
From Ontario to Maryland
One-way flight from Ontario to Maryland
Highest demand for flights based on searches. 7% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 julho 31, 2025.

This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/128:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
sáb 9/204:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 7/29$164
This Air Canada deal was found by Cheapflights users on 7/29. 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.
sáb 12/69:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
dom 12/76:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Deal found 7/29$185
This Air Canada deal was found by Cheapflights users on 7/29. 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.
sex 9/1912:10 pmYYZ - IAD
Nonstop1h 28mAir Canada
seg 9/222:25 pmIAD - YYZ
Nonstop1h 32mAir Canada
Deal found 7/29$185
This American Airlines deal was found by Cheapflights users on 7/31. 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.
ter 12/911:00 amYYZ - DCA
Nonstop1h 45mAmerican Airlines
qua 12/106:00 amDCA - YYZ
1 stop4h 45mAmerican Airlines
Deal found 7/31$214
This SmartFares deal was found by Cheapflights users on 7/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/218:45 amYTZ - IAD
Nonstop1h 31mAir Transat
ter 8/264:10 pmIAD - YTZ
Nonstop1h 33mAir Transat
Deal found 7/29$215
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/133:25 pmYTZ - IAD
1 stop5h 40mMultiple Airlines
sáb 9/204:20 pmIAD - YTZ
Nonstop1h 33mMultiple Airlines
Deal found 7/30$217
This Air Canada deal was found by Cheapflights users on 7/31. 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.
sáb 9/133:25 pmYTZ - IAD
1 stop5h 40mAir Canada
qua 9/249:35 amIAD - YTZ
1 stop7h 10mAir Canada
Deal found 7/31$223
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/1310:05 amYYZ - IAD
Nonstop1h 40mUnited Airlines
sáb 9/2012:41 pmIAD - YYZ
Nonstop1h 38mUnited Airlines
Deal found 7/30$226
This Delta deal was found by Cheapflights users on 7/29. 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.
qua 8/276:04 amYYZ - IAD
1 stop5h 58mDelta
qua 9/36:15 pmIAD - YYZ
1 stop4h 43mDelta
Deal found 7/29$228
This United deal was found by Cheapflights users on 7/29. 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.
qui 9/49:00 amYYZ - DCA
1 stop5h 16mMultiple Airlines
dom 9/76:59 amDCA - YYZ
Nonstop1h 32mMultiple Airlines
Deal found 7/29$235
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/136:30 amYYZ - BWI
1 stop16h 55mMultiple Airlines
sáb 9/208:16 pmBWI - YYZ
1 stop17h 49mMultiple Airlines
Deal found 7/30$236
This Trip.com deal was found by Cheapflights users on 7/29. 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.
dom 9/148:35 amYOW - IAD
1 stop6h 31mPorter Airlines
sex 9/194:20 pmIAD - YOW
1 stop4h 14mPorter Airlines
Deal found 7/29$237

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 julho 31, 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

sex 9/12

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

sáb 9/20

4:20 pm-5:53 pm

Nonstop1h 33m

$164

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

sáb 12/6

9:00 pm-10:35 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

dom 12/7

6:59 am-8:35 am

Nonstop1h 36m

$185

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

sex 9/19

12:10 pm-1:38 pm

Nonstop1h 28m

Washington, D.C. Dulles Intl

dom 9/21

10:20 am-11:52 am

Nonstop1h 32m

$185

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sáb 8/30

1:25 pm-2:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

ter 9/2

4:20 pm-5:53 pm

Nonstop1h 33m

$206

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

ter 12/9

11:00 am-12:45 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

qua 12/10

6:00 am-10:45 am

1 stop4h 45m

$214

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sáb 9/13

3:25 pm-9:05 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

sáb 9/20

4:20 pm-5:53 pm

Nonstop1h 33m

$217

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sáb 9/13

3:25 pm-9:05 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

qua 9/24

9:35 am-4:45 pm

1 stop7h 10m

$223

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

sáb 9/13

10:05 am-11:45 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

sáb 9/20

12:41 pm-2:19 pm

Nonstop1h 38m

$226

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

qua 8/27

6:04 am-12:02 pm

1 stop5h 58m

Washington, D.C. Dulles Intl

qua 9/3

6:15 pm-10:58 pm

1 stop4h 43m

$228

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

qui 9/4

9:00 am-2:16 pm

1 stop5h 16m

Washington, D.C. Reagan-National

dom 9/7

6:59 am-8:31 am

Nonstop1h 32m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 julho 31, 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.

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 julho 31, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, and Air Transat from Ontario to Maryland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
8.0
Very good

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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 $117 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $118 and Air Transat from $134 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.

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 julho 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$415FlexibilityNo cancel feeOn-time67%
DeltaCheapest$221Average$276FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$361FlexibilityNo 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.