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Maryland

$124+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$185
(SmartFares)

One-way from

$124
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$236
From Ontario to Maryland
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One-way flight from Ontario to Maryland
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Highest demand for flights based on searches. 6% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This SmartFares deal was found by Cheapflights users on 9/13. 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.
Fri 10/178:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Mon 10/204:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/13$185
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 11/411:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 9/13$189
This SmartFares deal was found by Cheapflights users on 9/14. 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.
Thu 10/168:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 10/1911:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/14$190
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 10/1211:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/15$191
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/41:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 10/511:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/13$192
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/288:15 amYYZ - DCA
1 stop4h 04mAir Canada
Tue 11/46:50 pmDCA - YYZ
Nonstop1h 37mAir Canada
Deal found 9/13$195
This Kissandfly.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/171:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 10/194:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/14$195
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/46:30 amYYZ - DCA
1 stop5h 38mAir Canada
Sat 10/116:50 pmDCA - YYZ
Nonstop1h 32mAir Canada
Deal found 9/13$196
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:15 amYYZ - DCA
1 stop4h 04mAir Canada
Fri 11/288:40 pmDCA - YYZ
Nonstop1h 37mAir Canada
Deal found 9/15$198
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 10/128:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Sun 10/1911:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/14$198
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/238:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 11/511:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 9/13$199
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/11:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Wed 10/154:20 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 9/15$200

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 September 15, 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 10/17

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/19

4:20 pm-5:53 pm

Nonstop1h 33m

$185

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 11/27

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 12/3

11:40 am-1:10 pm

Nonstop1h 30m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 10/4

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/5

11:35 am-1:08 pm

Nonstop1h 33m

$192

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 10/25

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/26

6:30 pm-8:00 pm

Nonstop1h 30m

$194

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 10/8

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 10/15

4:20 pm-5:53 pm

Nonstop1h 33m

$194

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/17

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 10/20

11:35 am-1:08 pm

Nonstop1h 33m

$194

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 10/17

8:45 am-10:16 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 10/21

4:20 pm-5:53 pm

Nonstop1h 33m

$194

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/9

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sat 10/11

4:20 pm-5:53 pm

Nonstop1h 33m

$195

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 10/9

1:35 pm-3:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 10/12

11:35 am-1:08 pm

Nonstop1h 33m

$197

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 10/4

7:25 am-8:59 am

Nonstop1h 34m

Washington, D.C. Reagan-National

Sat 10/11

6:50 pm-8:22 pm

Nonstop1h 32m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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 September 15, 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.

How much does it cost to fly round-trip from Region of Ontario to Maryland?

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, WestJet, and Air Canada 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.
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
WestJet
7.2
Good
3,091 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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.

  • How long is the flight from Region of Ontario to Maryland?

    For as low as $185, Porter Airlines can have you in Maryland from Region of Ontario in 1h 31m. The distance between Region of Ontario and Maryland is about 339 mi. Most flights are nonstop.

  • 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 $124 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $135 and United Airlines from $135 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

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Alternative routes for Ontario to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$374FlexibilityNo cancel feeOn-time67%
DeltaCheapest$221Average$368FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$363FlexibilityNo cancel feeOn-time60%

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