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$84+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
jun. 20 — jun. 271
vie. 6/20
vie. 6/27
1 adult, Economy
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Cheap flight deals from Maryland to Ontario

Keep the following information in mind while searching for Maryland to Ontario flight deals. Data was last updated junio 15, 2025.

Round-trip from

$184
(Trip.com)

One-way from

$84
(SmartFares)

Popular in

February

Cheapest in

June

Average price

$258

Good round-trip deal

$1,036 or less
From Maryland to Ontario
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One-way flight from Maryland to Ontario
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Maryland to Ontario.
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Find 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 junio 15, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/154:10 pmIAD - YTZ
Nonstop1h 33mMultiple Airlines
vie. 7/188:45 amYTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 6/14$184
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2211:00 amDCA - YYZ
Nonstop1h 34mAir Canada
jue. 7/244:30 pmYYZ - DCA
Nonstop1h 32mAir Canada
Deal found 6/13$184
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/222:25 pmIAD - YYZ
Nonstop1h 36mAir Canada
jue. 7/248:10 amYYZ - IAD
Nonstop1h 27mAir Canada
Deal found 6/13$184
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/214:10 pmIAD - YTZ
Nonstop1h 33mPorter Airlines
dom. 8/248:45 amYTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 6/14$188
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/209:35 amIAD - YTZ
1 stop5h 11mAir Canada
lun. 8/253:25 pmYTZ - IAD
1 stop5h 36mAir Canada
Deal found 6/13$202
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/154:10 pmIAD - YTZ
Nonstop1h 33mAir Transat
vie. 7/188:45 amYTZ - IAD
Nonstop1h 31mAir Transat
Deal found 6/14$203
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/88:59 amDCA - YYZ
1 stop5h 45mAmerican Airlines
sáb. 7/127:35 amYYZ - DCA
1 stop3h 57mAmerican Airlines
Deal found 6/12$223
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/225:28 pmDCA - YYZ
1 stop5h 30mDelta
jue. 7/246:04 amYYZ - DCA
1 stop4h 10mDelta
Deal found 6/14$234
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/156:00 amIAD - YYZ
1 stop5h 16mDelta
jue. 7/176:30 amYYZ - IAD
1 stop5h 02mDelta
Deal found 6/14$234
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/246:00 amDCA - YUL
Nonstop1h 45mAir Canada
lun. 7/288:15 amYUL - DCA
1 stop3h 48mAir Canada
Deal found 6/14$260
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/94:10 pmIAD - YUL
1 stop4h 00mPorter Airlines
dom. 7/138:55 amYUL - IAD
1 stop6h 01mPorter Airlines
Deal found 6/13$261
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/292:25 pmIAD - YUL
2 stops7h 21mMultiple Airlines
mar. 8/510:45 amYUL - IAD
1 stop4h 11mMultiple Airlines
Deal found 6/14$264

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 junio 15, 2025.
Use the filters below to find and compare flights from Maryland to Ontario that are best for you.

Fly from

Maryland

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mar. 7/15

4:10 pm-5:43 pm

Nonstop1h 33m

Toronto Island

vie. 7/18

8:45 am-10:16 am

Nonstop1h 31m

$184

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

mar. 7/22

11:00 am-12:34 pm

Nonstop1h 34m

Toronto Pearson Intl

jue. 7/24

4:30 pm-6:02 pm

Nonstop1h 32m

$184

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 7/22

2:25 pm-4:01 pm

Nonstop1h 36m

Toronto Pearson Intl

jue. 7/24

8:10 am-9:37 am

Nonstop1h 27m

$184

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

jue. 8/21

4:10 pm-5:43 pm

Nonstop1h 33m

Toronto Island

dom. 8/24

8:45 am-10:16 am

Nonstop1h 31m

$188

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mié. 8/20

9:35 am-2:46 pm

1 stop5h 11m

Toronto Island

lun. 8/25

3:25 pm-9:01 pm

1 stop5h 36m

$202

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mar. 7/15

4:10 pm-5:43 pm

Nonstop1h 33m

Toronto Island

vie. 7/18

8:45 am-10:16 am

Nonstop1h 31m

$203

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

mar. 7/8

8:59 am-2:44 pm

1 stop5h 45m

Toronto Pearson Intl

sáb. 7/12

7:35 am-11:32 am

1 stop3h 57m

$223

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

mar. 7/22

5:28 pm-10:58 pm

1 stop5h 30m

Toronto Pearson Intl

jue. 7/24

6:04 am-10:14 am

1 stop4h 10m

$234

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 7/15

6:00 am-11:16 am

1 stop5h 16m

Toronto Pearson Intl

jue. 7/17

6:30 am-11:32 am

1 stop5h 02m

$234

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

jue. 7/24

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

lun. 7/28

8:15 am-12:03 pm

1 stop3h 48m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $243). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of $353). 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 MD to ON?

Find hourly flight availability from Maryland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Region of Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 junio 15, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and KLM from Maryland to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
289 reviews
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,961 reviews
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
KLM
7.8
Good
1,361 reviews
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
398 reviews
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,793 reviews
Porter Airlines
8.0
Very good
289 reviews

Boarding

8.2

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.1

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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.

  • What are the cheapest airlines to fly from Maryland to Region of Ontario one-way?

    One-way options have recently been found by users for as low as $84 on Air Transat. Other airlines that offer cheap prices include Air Canada from $84 and Porter Airlines from $86 one-way.

  • 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, January is the cheapest month in which you can book a flight from Maryland to Region of Ontario (average of $243). Flying from Maryland to Region of Ontario in July is currently the most expensive (average of $353). 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 Maryland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Maryland to Ontario

Discover the top 5 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 junio 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$187Average$609FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$198Average$258FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$212Average$521FlexibilityNo cancel feeOn-time67%
DeltaCheapest$242Average$340FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$330Average$435FlexibilityNo cancel feeOn-time60%

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