HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$81+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
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

Discover tips and strategies to find the most affordable flight options for your journey from Maryland (USMD) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Trip.com)

One-way from

$81
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$293

Good round-trip deal

$1,036 or less
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. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a round-trip flight from Maryland to Ontario.
Search Deals

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 January 30, 2025.

This Trip.com deal was found by Cheapflights users on 1/30. 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.
Wed 3/267:00 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Wed 3/268:55 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 1/30$182
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Wed 3/57:00 amBWI - YYZ
2 stops16h 55mMultiple Airlines
Wed 3/127:05 amYYZ - BWI
1 stop15h 45mMultiple Airlines
Deal found 1/29$197
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/267:00 amIAD - YTZ
Nonstop1h 30mMultiple Airlines
Wed 3/264:20 pmYTZ - IAD
1 stop5h 03mMultiple Airlines
Deal found 1/30$204
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:49 amPHL - YYZ
1 stop15h 46mMultiple Airlines
Wed 3/267:05 amYYZ - PHL
1 stop11h 10mMultiple Airlines
Deal found 1/30$218
This Flightnetwork deal was found by Cheapflights users on 1/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:59 amDCA - YYZ
Nonstop1h 35mAir Canada
Wed 3/2611:00 amYYZ - DCA
1 stop4h 29mAir Canada
Deal found 1/30$218
This Flightnetwork deal was found by Cheapflights users on 1/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/253:55 pmIAD - YTZ
1 stop5h 55mAir Canada
Wed 3/2610:25 amYTZ - IAD
1 stop4h 48mAir Canada
Deal found 1/29$227
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/255:16 pmIAD - YYZ
Nonstop1h 41mAir Canada
Wed 3/2610:00 amYYZ - IAD
Nonstop1h 39mAir Canada
Deal found 1/30$231
This Mytrip deal was found by Cheapflights users on 1/29. 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.
Wed 3/196:49 amPHL - YUL
1 stop8h 06mMultiple Airlines
Sun 3/233:55 pmYUL - PHL
1 stop17h 03mMultiple Airlines
Deal found 1/29$247
This Trip.com deal was found by Cheapflights users on 1/30. 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.
Wed 3/57:00 amIAD - YUL
1 stop4h 15mPorter Airlines
Wed 3/54:00 pmYUL - IAD
1 stop6h 24mPorter Airlines
Deal found 1/30$254
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1912:26 pmBWI - YYZ
1 stop3h 43mDelta
Mon 2/246:15 pmYYZ - BWI
1 stop6h 20mDelta
Deal found 1/29$257
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:00 amDCA - YYZ
1 stop5h 56mDelta
Mon 2/246:43 pmYYZ - DCA
1 stop4h 07mDelta
Deal found 1/29$257
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:00 amIAD - YYZ
1 stop5h 56mDelta
Mon 2/246:00 amYYZ - IAD
1 stop5h 25mDelta
Deal found 1/29$257

Find flights from Maryland to Ontario within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 3/12

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Tue 3/25

11:30 am-12:59 pm

Nonstop1h 29m

$183

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 3/5

7:00 am-11:55 pm

2 stops16h 55m

Toronto Pearson Intl

Wed 3/12

7:05 am-10:50 pm

1 stop15h 45m

$197

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 3/12

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Tue 3/25

3:25 pm-8:41 pm

1 stop5h 16m

$200

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 3/26

6:59 am-8:34 am

Nonstop1h 35m

Toronto Pearson Intl

Wed 3/26

11:00 am-3:29 pm

1 stop4h 29m

$218

PhiladelphiaToronto

PHL - YYZ

PHLYYZ

Philadelphia

Thu 3/6

6:49 am-10:35 pm

1 stop15h 46m

Toronto Pearson Intl

Wed 3/26

7:05 am-6:15 pm

1 stop11h 10m

$218

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 3/25

3:55 pm-9:50 pm

1 stop5h 55m

Toronto Island

Wed 3/26

10:25 am-3:13 pm

1 stop4h 48m

$227

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 3/25

5:16 pm-6:57 pm

Nonstop1h 41m

Toronto Pearson Intl

Wed 3/26

10:00 am-11:39 am

Nonstop1h 39m

$231

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Wed 3/19

6:49 am-2:55 pm

1 stop8h 06m

Montreal Pierre Elliott Trudeau Intl

Sun 3/23

3:55 pm-8:58 am

1 stop17h 03m

$247

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 2/26

12:00 pm-5:00 pm

1 stop5h 00m

Toronto Pearson Intl

Wed 3/5

6:15 am-12:54 pm

1 stop6h 39m

$253

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 3/5

7:00 am-11:15 am

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 3/5

4:00 pm-10:24 pm

1 stop6h 24m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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.

Travel insights for flights from Maryland to Ontario

Get recent, data-driven insights about flights from Maryland to Ontario including ideal travel times, pricing trends, and more.

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 $359). 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 January 30, 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 January 30, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Maryland to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines
7.9
Good
278 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
1,837 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $106 on Air Canada. Other airlines that offer cheap prices include Delta from $107 and Porter Airlines from $111 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 $359). 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
John F Kennedy Intl to Vancouver Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Newark to Vancouver Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Vancouver Intl flights
Newark to Toronto Island flights
LaGuardia to Pierre Elliott Trudeau Intl flights
San Francisco to Vancouver Intl flights
LaGuardia to Pearson Intl flights
O'Hare Intl to Vancouver Intl flights
Atlanta to Vancouver Intl flights
Boston to Pearson Intl flights
John F Kennedy Intl to Calgary flights
LaGuardia to Vancouver Intl flights
Newark to Calgary flights
Los Angeles to Pearson Intl flights
San Diego to Vancouver Intl flights
San Francisco to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
Minneapolis to Vancouver Intl flights
Denver to Vancouver Intl flights
Honolulu to Vancouver Intl flights
Dallas/Fort Worth to Vancouver Intl flights
Boston to Toronto Island flights
Dulles Intl to Vancouver Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Calgary flights
Santa Ana to Vancouver Intl flights
O'Hare Intl to Pearson Intl flights
Seattle to Vancouver Intl flights
Los Angeles to Abbotsford flights
O'Hare Intl to Calgary flights
Los Angeles to Calgary flights
Ontario to Vancouver Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Seattle to Pearson Intl flights
Hobby to Vancouver Intl flights
Boston to Vancouver Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
San Francisco to Abbotsford flights
Baltimore to Vancouver Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Detroit to Vancouver Intl flights
Atlanta to Calgary flights
George Bush Intcntl to Vancouver Intl flights
Hobby to Calgary flights

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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$136Average$345FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$152Average$263FlexibilityNo cancel feeOn-time52%
DeltaCheapest$242Average$492FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$295Average$611FlexibilityNo cancel feeOn-time69%
WestJetCheapest$330Average$439FlexibilityNo 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.