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$108+ Cheap flights from Washington, D.C. (WAS) to Mississauga, Canada

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
May 4 — May 111
Mon 5/4
Mon 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Mississauga are usually found in June or May, booked 77 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Mississauga

Cheapest flights from Washington, D.C. to Mississauga
Explore the most affordable flight options available from Washington, D.C. to Mississauga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.

This Booking.com deal was found by Cheapflights users on 4/2. 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.
Sun 5/176:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sun 5/246:25 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 4/2$229
This Trip.com deal was found by Cheapflights users on 3/30. 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 5/76:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sun 5/108:10 am
YYZ
-
DCA
1 stop3h 51m
Air Canada
Deal found 3/30$232
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Sat 5/29:55 am
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Mon 5/48:00 am
YYZ
-
IAD
1 stop7h 03m
Air Canada
Deal found 3/30$232
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Thu 5/148:10 am
YYZ
-
DCA
1 stop3h 51m
Air Canada
Deal found 3/30$235
This Booking.com deal was found by Cheapflights users on 4/2. 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.
Sun 5/173:45 pm
IAD
-
YYZ
1 stop6h 13m
Air Canada
Sun 5/241:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 4/2$237
This Mytrip deal was found by Cheapflights users on 3/29. 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.
Thu 5/146:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Thu 5/218:55 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 3/29$238
This SmartFares deal was found by Cheapflights users on 4/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:55 pm
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Sat 5/237:20 am
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 4/1$240
This Flightnetwork deal was found by Cheapflights users on 4/2. 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.
Fri 5/16:00 am
DCA
-
YYZ
1 stop6h 38m
Air Canada
Mon 5/46:25 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Deal found 4/2$243
This Booking.com deal was found by Cheapflights users on 4/3. 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.
Sat 5/163:45 pm
IAD
-
YYZ
1 stop6h 13m
Air Canada
Mon 5/188:00 am
YYZ
-
IAD
1 stop7h 03m
Air Canada
Deal found 4/3$244
This Booking.com deal was found by Cheapflights users on 4/3. 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.
Mon 5/49:55 am
IAD
-
YYZ
Nonstop1h 27m
Air Canada
Tue 5/126:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 4/3$248
This Mytrip deal was found by Cheapflights users on 4/1. 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.
Sat 5/163:45 pm
IAD
-
YYZ
1 stop7h 13m
Air Canada
Sat 5/236:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 4/1$250
This Jettzy deal was found by Cheapflights users on 4/3. 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.
Mon 5/44:05 pm
IAD
-
YYZ
Nonstop1h 25m
Air Canada
Mon 5/116:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Deal found 4/3$257

Find flight deals from Washington, D.C. to Mississauga

Keep the following information in mind while searching for Washington, D.C. to Mississauga flight deals. Data was last updated April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Booking.com)

One-way from

$108
(Jettzy)

Popular in

March

Cheapest in

June

Average price

$319
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 Washington, D.C. (WAS) to Mississauga
Search Deals
One-way flight from Washington, D.C. (WAS) to Mississauga
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Mississauga 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 April 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Mississauga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 4/29

8:20 am-10:04 am

Nonstop1h 44m

Toronto Pearson Intl

Sun 5/3

9:35 am-11:14 am

Nonstop1h 39m

$277

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 4/29

8:20 am-10:04 am

Nonstop1h 44m

Toronto Pearson Intl

Fri 5/1

2:30 pm-4:09 pm

Nonstop1h 39m

$278

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 4/22

10:10 am-3:46 pm

1 stop5h 36m

Toronto Pearson Intl

Mon 4/27

7:43 pm-9:25 pm

Nonstop1h 42m

$287

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Tue 6/2

6:33 am-11:43 am

1 stop5h 10m

Toronto Pearson Intl

Tue 6/9

12:45 pm-2:21 pm

Nonstop1h 36m

$287

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 6/2

9:39 am-5:21 pm

1 stop7h 42m

Toronto Pearson Intl

Wed 6/10

6:14 pm-10:59 pm

1 stop4h 45m

$292

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 4/23

11:00 am-5:39 pm

1 stop6h 39m

Toronto Pearson Intl

Mon 4/27

6:59 pm-11:17 pm

1 stop4h 18m

$292

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 5/15

7:40 pm-11:41 pm

1 stop4h 01m

Toronto Pearson Intl

Mon 5/18

6:37 pm-11:24 pm

1 stop4h 47m

$292

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 6/6

12:27 pm-5:21 pm

1 stop4h 54m

Toronto Pearson Intl

Tue 6/9

10:00 am-4:20 pm

1 stop6h 20m

$292

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 5/27

1:30 pm-5:55 pm

1 stop4h 25m

Toronto Pearson Intl

Sat 5/30

4:10 pm-8:03 pm

1 stop3h 53m

$292

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 6/3

9:39 am-5:21 pm

1 stop7h 42m

Toronto Pearson Intl

Wed 6/10

7:55 am-12:46 pm

1 stop4h 51m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 57 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Mississauga

Have a flexible travel schedule? Discover the best time to fly to Mississauga from Washington, D.C. 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 Washington, D.C. to Mississauga

How far ahead should I book a flight from Washington, D.C. to Mississauga?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Mississauga. Price data was last updated on April 2, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Mississauga, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Mississauga?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Mississauga (average of $105). Flying from Washington, D.C. to Mississauga in March is currently the most expensive (average of $211). 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 WAS to M1S?

Find hourly flight availability from Washington, D.C. to Mississauga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2026.

One of the essential ways to save on airfare from Washington, D.C. to Mississauga is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 43% on airfare.

What is the cheapest day to fly from Washington, D.C. to Mississauga?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Mississauga. Price data was last updated on November 25, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Mississauga flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Mississauga

Explore weekly flight availability from Washington, D.C. to Mississauga. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 4, 2026.

The most flights from WAS to M1S are scheduled on a Monday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).

How much does it cost to fly round-trip from Washington, D.C. to Mississauga?

Reviews of airlines servicing Mississauga

Get insights into the airlines that provide service to Mississauga. 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 Mississauga. Reviews last updated April 4, 2026.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Washington, D.C. to Mississauga by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
431 reviews
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Delta
7.9
Good
8,382 reviews
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,544 reviews
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,558 reviews
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,894 reviews
Porter Airlines
8.0
Very good
431 reviews

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Mississauga. 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 Washington, D.C. to Mississauga?

    A quick flight from Washington, D.C. to Mississauga can take about 1h 44m. United Airlines provides one of the quickest options available for as low as $277. There are 346 mi between Washington, D.C. and Mississauga. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Mississauga one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $88. American Airlines flights start at $106 while deals on United Airlines start at $106 one-way.

  • What are the most popular routes from Washington, D.C. to Mississauga?

    When deciding which route to take from Washington, D.C. to Mississauga consider Washington, D.C. Reagan-National - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Toronto Pearson Intl or Baltimore/Washington - Toronto Pearson Intl as they are the most popular.

  • What are the most reliable airlines from Washington, D.C. to Mississauga?

    The top 3 most reliable airlines when flying from Washington, D.C. to Mississauga are ANA (80%), Avianca (71%) and Copa Airlines (69%).

  • What are the cheapest flights from Washington, D.C. to Mississauga?

    Looking for the cheapest flight from Washington, D.C. to Mississauga? While on average our users pay $1,031, our data indicates the cheapest price to be $139. The most popular route (Washington, D.C. Reagan-National - Toronto Pearson Intl), is priced around $254.

  • Can I find deals for flights from Washington, D.C. to Mississauga that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Mississauga flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Mississauga?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Mississauga.

  • Can I find deals for business class flights from Washington, D.C. to Mississauga?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Mississauga 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 Washington, D.C. to Mississauga?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Mississauga (average of $105). Flying from Washington, D.C. to Mississauga in March is currently the most expensive (average of $211). 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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Top 7 airlines flying from Washington, D.C. to Mississauga

Discover the top 7 airlines that operate flights from Washington, D.C. to Mississauga. 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 April 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$54Average$333FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$112Average$337FlexibilityNo cancel feeOn-time69%
DeltaCheapest$138Average$306FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$176Average$245FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$187Average$340FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$264Average$371FlexibilityNo cancel feeOn-time71%
WestJetCheapest$349Average$578FlexibilityNo cancel feeOn-time60%

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