HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$130+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
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

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 March 17, 2026.

This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Fri 4/246:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/17$202
This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Mon 4/2011:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$204
This Trip.com deal was found by Cheapflights users on 3/15. 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.
Tue 4/79:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sun 4/126:00 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/15$205
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sat 4/251:45 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$211
This FlightHub deal was found by Cheapflights users on 3/16. 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.
Sat 4/1111:30 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Tue 4/1411:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$212
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Thu 4/2311:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/17$214
This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Thu 5/74:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$215
This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sun 5/244:05 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$218
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:55 am
YTZ
-
DCA
1 stop4h 06m
Air Canada
Sat 4/184:10 pm
DCA
-
YTZ
1 stop5h 22m
Air Canada
Deal found 3/17$218
This FlightHub deal was found by Cheapflights users on 3/17. 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.
Thu 5/149:15 am
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Sat 5/1611:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/17$219
This Trip.com deal was found by Cheapflights users on 3/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:15 am
YYZ
-
DCA
1 stop3h 46m
Air Canada
Sun 4/266:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 3/17$224
This FlightHub deal was found by Cheapflights users on 3/16. 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.
Tue 4/79:25 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
Sat 4/111:45 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 3/16$224

Find flight deals from Ontario to Maryland

Keep the following information in mind while searching for Ontario to Maryland flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(Trip.com)

One-way from

$130
(Gotogate)

Popular in

March

Cheapest in

October

Average price

$320
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. 8% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 17, 2026.
Use the filters below to find and compare flights from Ontario to Maryland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 5/1

1:50 pm-3:21 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Mon 5/4

4:05 pm-5:35 pm

Nonstop1h 30m

$228

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 5/10

1:50 pm-3:21 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Wed 5/13

4:05 pm-5:35 pm

Nonstop1h 30m

$229
Quickest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 4/9

9:25 am-10:54 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 4/12

6:00 pm-7:30 pm

Nonstop1h 30m

$241

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 4/17

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 4/19

6:00 pm-7:30 pm

Nonstop1h 30m

$244

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 4/19

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 4/28

11:40 am-1:10 pm

Nonstop1h 30m

$245

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 4/17

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 4/21

11:40 am-1:10 pm

Nonstop1h 30m

$248

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 4/9

7:55 am-12:01 pm

1 stop4h 06m

Washington, D.C. Reagan-National

Sun 4/12

12:55 pm-6:22 pm

1 stop5h 27m

$249

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 4/16

9:25 am-10:54 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 4/20

11:40 am-1:10 pm

Nonstop1h 30m

$249

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 4/14

7:55 am-12:01 pm

1 stop4h 06m

Washington, D.C. Reagan-National

Tue 4/21

11:00 am-3:52 pm

1 stop4h 52m

$253

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 4/25

10:45 am-3:30 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Mon 4/27

11:00 am-3:52 pm

1 stop4h 52m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 60 resultsSorted by cheapest first
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, October is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of $175). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of $415). 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.

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 March 17, 2026.
Get a feel of what it's like to fly with Delta,WestJet, andAir 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
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,296 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,811 reviews
Delta
7.9
Good
8,288 reviews

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $228, 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. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, October is the cheapest month in which you can book a flight from Region of Ontario to Maryland (average of $175). Flying from Region of Ontario to Maryland in November is currently the most expensive (average of $415). 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 John F Kennedy Intl flights
Toronto Island to Newark flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Newark flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Miami flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Orlando flights
Pearson Intl to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to Seattle flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to O'Hare Intl flights
Vancouver Intl to Honolulu flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Boston flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Calgary to Las Vegas flights
Pierre Elliott Trudeau Intl to Orlando flights
Vancouver Intl to Seattle flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to West Palm Beach flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Atlanta flights
Pearson Intl to Fort Myers flights
Vancouver Intl to O'Hare Intl flights
Pearson Intl to Nashville flights
Toronto Island to Boston flights
Vancouver Intl to LaGuardia flights
Edmonton to Las Vegas flights
Pearson Intl to Reagan-National flights
Pearson Intl to Sky Harbor Intl flights
Abbotsford to Los Angeles flights
Abbotsford to Las Vegas 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$158Average$374FlexibilityNo cancel feeOn-time67%
DeltaCheapest$246Average$393FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$303Average$334FlexibilityNo 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.