HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$103+ Cheap flights from Maryland to Ontario

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Ontario 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 Maryland to Ontario

Cheapest flights from Maryland to Ontario
Explore the most affordable flight options available from Maryland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 8/201:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/30$215
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 10/49:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/30$217
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.
Thu 8/2711:25 am
IAD
-
YTZ
Nonstop1h 30m
Multiple Airlines
Thu 9/39:15 am
YTZ
-
IAD
Nonstop1h 30m
Multiple Airlines
Deal found 7/30$220
This Jettzy 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:40 pm
DCA
-
YYZ
Nonstop1h 31m
Air Canada
Sun 9/207:20 am
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Deal found 7/30$220
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/2411:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 8/259:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/28$221
This Flightnetwork deal was found by Cheapflights users on 7/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:45 am
IAD
-
YTZ
1 stop4h 35m
Air Canada
Tue 9/1512:30 pm
YTZ
-
IAD
1 stop6h 30m
Air Canada
Deal found 7/27$222
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:40 pm
DCA
-
YYZ
1 stop4h 28m
Air Canada
Fri 8/288:55 pm
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Deal found 7/30$222
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:20 pm
IAD
-
YTZ
Nonstop1h 36m
Air Canada
Mon 8/313:15 pm
YTZ
-
IAD
Nonstop1h 26m
Air Canada
Deal found 7/30$223
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Mon 8/2411:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 9/19:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/26$224
This Justfly.com deal was found by Cheapflights users on 7/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 8/241:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/27$225
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
DCA
-
YTZ
2 stops7h 15m
Air Canada
Tue 9/158:20 am
YTZ
-
DCA
2 stops7h 20m
Air Canada
Deal found 7/29$225
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 8/279:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 7/29$226

Find flight deals from Maryland to Ontario

Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$215
(FlightHub)

One-way from

$103
(Air Canada)

Popular in

May

Cheapest in

January

Average price

$320
Provider with most accurate pricing for Washington, D.C. (WAS)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Toronto (YTO) flights.
Search Deals
From Maryland to Ontario
Search Deals
One-way flight from Maryland to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Ontario 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 July 31, 2026.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Sun 9/13

3:50 pm-5:20 pm

Nonstop1h 30m

Toronto Island

Sun 9/20

9:15 am-10:45 am

Nonstop1h 30m

$236

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 10/29

6:00 am-11:56 am

1 stop5h 56m

Toronto Island

Thu 11/5

8:20 am-12:19 pm

1 stop3h 59m

$237

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-10:35 am

1 stop4h 35m

Toronto Pearson Intl

Sun 8/30

7:20 am-8:52 am

Nonstop1h 32m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-3:00 pm

2 stops9h 00m

Toronto Island

Sat 8/29

8:20 am-12:00 pm

1 stop3h 40m

$242

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 8/31

12:40 pm-6:20 pm

1 stop5h 40m

Toronto Island

Wed 9/2

8:20 am-12:00 pm

1 stop3h 40m

$247

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 8/12

9:40 am-2:21 pm

1 stop4h 41m

Toronto Island

Thu 8/20

8:20 am-12:00 pm

1 stop3h 40m

$250

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 8/27

11:57 am-5:56 pm

1 stop5h 59m

Toronto Pearson Intl

Sun 8/30

7:10 am-12:00 pm

1 stop4h 50m

$253

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 9/2

6:16 am-1:47 pm

1 stop7h 31m

Toronto Pearson Intl

Sat 9/5

7:43 pm-9:24 pm

Nonstop1h 41m

$254

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Fri 8/28

10:35 am-5:56 pm

1 stop7h 21m

Toronto Pearson Intl

Sun 8/30

1:55 pm-3:24 pm

Nonstop1h 29m

$255

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 8/14

9:39 am-5:24 pm

1 stop7h 45m

Toronto Pearson Intl

Wed 8/19

9:45 am-6:45 pm

1 stop9h 00m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Maryland to Ontario

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

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

Currently, July is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $372). Flying from Maryland to Region of Ontario in June is currently the most expensive (average of $620). 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 Maryland to Region of Ontario?

Airfare is below average for this route at the moment.
Maryland to Region of Ontario flights typically cost between $321 and $719 in October.
The cheapest round-trip price found within the last 5 days was $307 on Multiple Airlines (Oct 5-Oct 31).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 31, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Maryland to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Delta
7.8
Good
8,489 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,046 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,416 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,406 reviews
Porter Airlines
8.0
Very good
449 reviews

Entertainment

6.9

Food

7.5

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Maryland to Ontario. 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 Maryland to Region of Ontario?

    Airlines like Porter Airlines, Air Canada, and United Airlines fly from Maryland to Region of Ontario in about 1h 30m. The time it takes to get you to your destination can typically vary by up to 6h 01m. The distance from Maryland to Region of Ontario is about 339 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $372). Flying from Maryland to Region of Ontario in June is currently the most expensive (average of $620). 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 Maryland to Ontario

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

Top 3 airlines flying from Maryland to Ontario

Discover the top 3 airlines that operate flights from Maryland to Ontario. 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$220Average$289FlexibilityNo cancel feeOn-time67%
DeltaCheapest$240Average$568FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$496Average$681FlexibilityNo 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.