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Dulles Intl

$491+ Cheap flights from St. John's (YYT) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — IAD
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from St. John's to Dulles Intl

Cheapest flights from St. John's to Dulles Intl
Explore the most affordable flight options available from St. John's to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:15 am
YYT
-
IAD
2 stops11h 41m
Air Canada
Sun 3/89:55 am
IAD
-
YYT
2 stops12h 05m
Air Canada
Deal found 1/27$491
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:05 am
YYT
-
IAD
2 stops12h 14m
Air Canada
Wed 2/189:45 am
IAD
-
YYT
1 stop6h 06m
Air Canada
Deal found 1/27$518
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:00 am
YYT
-
IAD
1 stop12h 16m
Air Canada
Sun 3/159:55 am
IAD
-
YYT
1 stop5h 56m
Air Canada
Deal found 1/26$521
This Porter Airlines deal was found by Cheapflights users on 1/26. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 am
YYT
-
IAD
2 stops12h 44m
Porter Airlines
Wed 2/1811:40 am
IAD
-
YYT
2 stops11h 51m
Porter Airlines
Deal found 1/26$547
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:20 am
YYT
-
IAD
2 stops12h 24m
Porter Airlines
Sun 3/156:30 pm
IAD
-
YYT
2 stops29h 00m
Porter Airlines
Deal found 1/26$604
This Air Canada deal was found by Cheapflights users on 1/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:00 am
YYT
-
IAD
1 stop16h 59m
Air Canada
Sun 2/224:30 pm
IAD
-
YYT
1 stop8h 13m
Air Canada
Deal found 1/26$633

Find flight deals from St. John's to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. John's (YYT) to Dulles Intl (IAD). 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(Air Canada)
Provider with most accurate pricing for St John's-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for St John's-Washington, D.C. Dulles Intl flights.
Search Deals
From St John's to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's to Dulles Intl 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 28, 2026.
Use the filters below to find and compare flights from St. John's to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

St. John's

Fly to

Dulles Intl

Route

Depart

Return

Price

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sun 2/15

6:00 am-5:14 pm

2 stops12h 44m

Washington, D.C. Dulles Intl

Wed 2/18

11:40 am-11:20 pm

2 stops10h 10m

$491

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 3/6

10:15 am-8:26 pm

2 stops11h 41m

Washington, D.C. Dulles Intl

Sun 3/8

9:00 am-11:28 pm

1 stop12h 58m

$491

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 3/13

5:00 am-3:46 pm

1 stop12h 16m

Washington, D.C. Dulles Intl

Sun 3/15

9:55 am-5:21 pm

1 stop5h 56m

$521

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sun 2/15

5:00 am-8:29 pm

1 stop16h 59m

Washington, D.C. Dulles Intl

Wed 2/18

9:45 am-5:21 pm

1 stop6h 06m

$551

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 3/13

6:20 am-5:14 pm

2 stops12h 24m

Washington, D.C. Dulles Intl

Sun 3/15

6:30 pm-1:00 am

2 stops29h 00m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Compare providers for flights from St. John's to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. John's to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. John's-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. John's-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. John's-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. John's-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. John's-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. John's to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from St. John's 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.

Related info for your journey

Find useful and relevant information for your journey from St. John's to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. John's to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from St. John's, you will be flying from St John's, which is the city’s only airport. St John's (YYT) is located 4.2 mi from the center of St. John's. There are 0 flights from St John's to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from St. John's to Washington, D.C. Dulles Intl Airport?

    A quick flight from St. John's to Washington, D.C. Dulles Intl Airport can take about 11h 41m. Porter Airlines provides one of the quickest options available for as low as $491. There are 1371 mi between St. John's and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from St. John's to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on St. John's to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. John's to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Dulles Intl.

  • Can I find deals for business class flights from St. John's to Dulles Intl?

    Yes. Cheapflights offers flight deals from St. John's to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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