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Ontario

$107+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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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 June 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/2611:25 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 8/311:40 pm
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/10$224
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/233:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 7/268:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/13$235
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:50 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 8/139:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/14$236
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/1411:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 7/218:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/13$237
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Sun 8/239:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/14$238
This eDestinos deal was found by Cheapflights users on 6/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 7/88:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/12$239
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Mon 7/271:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 6/14$240
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/311:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 7/88:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/11$241
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/1111:05 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Wed 7/221:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 6/10$242
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/43:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Thu 7/91:40 pm
YTZ
-
IAD
Nonstop1h 31m
Porter Airlines
Deal found 6/13$243
This Trip.com deal was found by Cheapflights users on 6/10. 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 7/103:55 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Tue 8/49:15 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/10$244
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/3011:30 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Fri 7/38:55 am
YTZ
-
IAD
Nonstop1h 30m
Porter Airlines
Deal found 6/12$245

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Kiwi.com)

One-way from

$107
(Super.com)

Popular in

May

Cheapest in

January

Average price

$286
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. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 15, 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

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 7/14

11:05 am-12:35 pm

Nonstop1h 30m

Toronto Island

Sat 7/18

1:40 pm-3:11 pm

Nonstop1h 31m

$290

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 7/10

3:55 pm-5:25 pm

Nonstop1h 30m

Toronto Island

Mon 7/20

8:55 am-10:25 am

Nonstop1h 30m

$290

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sat 8/8

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Wed 8/12

2:30 pm-4:07 pm

Nonstop1h 37m

$308

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 7/1

8:25 am-10:04 am

Nonstop1h 39m

Toronto Pearson Intl

Sat 7/4

2:35 pm-4:18 pm

Nonstop1h 43m

$308

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 7/7

10:14 pm-11:54 pm

Nonstop1h 40m

Toronto Pearson Intl

Sat 7/11

9:35 am-11:11 am

Nonstop1h 36m

$308

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 8/7

12:40 pm-6:20 pm

1 stop5h 40m

Toronto Island

Sun 8/9

8:20 am-12:00 pm

1 stop3h 40m

$309

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Mon 6/29

12:40 pm-6:20 pm

1 stop5h 40m

Toronto Island

Thu 7/9

8:20 am-12:00 pm

1 stop3h 40m

$309

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 8/15

12:40 pm-6:20 pm

1 stop5h 40m

Toronto Island

Wed 8/19

8:20 am-12:00 pm

1 stop3h 40m

$309

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 7/13

3:55 pm-5:25 pm

Nonstop1h 30m

Toronto Island

Wed 7/15

1:40 pm-3:11 pm

Nonstop1h 31m

$311

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 7/15

4:20 pm-9:31 pm

1 stop5h 11m

Toronto Island

Sun 7/19

8:20 am-12:00 pm

1 stop3h 40m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $108). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of $263). 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?

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 June 15, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andWestJet 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
438 reviews

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Delta
7.9
Good
8,398 reviews
Porter Airlines
8.0
Very good
438 reviews

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,362 reviews
Porter Airlines
8.0
Very good
438 reviews

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,195 reviews
Porter Airlines
8.0
Very good
438 reviews

Entertainment

6.9

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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, United Airlines, and Air Canada 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 4h 10m. 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, June is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $108). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of $263). 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

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Alternative routes for Maryland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$220Average$275FlexibilityNo cancel feeOn-time67%
DeltaCheapest$234Average$518FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$495Average$681FlexibilityNo cancel feeOn-time60%

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