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St. John's

$423+ Cheap flights from Dulles Intl (IAD) to St. John's (YYT)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYT
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap flight deals from Dulles Intl to St. John's

Cheapest flights from Dulles Intl to St. John's
Explore the most affordable flight options available from Dulles Intl to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This Trip.com deal was found by Cheapflights users on 2/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1911:40 am
IAD
-
YYT
2 stops11h 50m
Porter Airlines
Sat 3/216:20 am
YYT
-
IAD
2 stops7h 39m
Porter Airlines
Deal found 2/13$423
This Gotogate deal was found by Cheapflights users on 2/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:05 pm
IAD
-
YYT
2 stops7h 16m
Porter Airlines
Fri 5/296:05 am
YYT
-
IAD
2 stops10h 46m
Porter Airlines
Deal found 2/14$456
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 4/2911:40 am
IAD
-
YYT
1 stop9h 45m
Multiple Airlines
Fri 5/16:55 pm
YYT
-
IAD
1 stop17h 21m
Multiple Airlines
Deal found 2/12$459
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 4/2911:40 am
IAD
-
YYT
2 stops11h 51m
Porter Airlines
Fri 5/16:55 pm
YYT
-
IAD
1 stop17h 21m
Porter Airlines
Deal found 2/12$478
This Gotogate deal was found by Cheapflights users on 2/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/74:05 pm
IAD
-
YYT
2 stops7h 16m
Porter Airlines
Mon 6/156:05 am
YYT
-
IAD
2 stops10h 46m
Porter Airlines
Deal found 2/12$482
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Wed 4/299:55 am
IAD
-
YYT
1 stop5h 56m
Air Canada
Fri 5/11:15 pm
YYT
-
IAD
1 stop7h 13m
Air Canada
Deal found 2/15$490
This Air Canada deal was found by Cheapflights users on 2/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:45 am
IAD
-
YYT
1 stop5h 55m
Air Canada
Wed 7/81:15 pm
YYT
-
IAD
1 stop7h 16m
Air Canada
Deal found 2/14$500

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

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to St. John's (YYT). 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 February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$423
(Trip.com)

Popular in

July

Cheapest in

March
Provider with most accurate pricing for Washington, D.C. (WAS)-St John's flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-St John's flights.
Search Deals
From Washington, D.C. Dulles Intl to St John's
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to St. John's 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 February 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to St. John's that are best for you.

Fly from

Dulles Intl

Fly to

St. John's

Route

Depart

Return

Price

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 4/29

11:40 am-11:05 pm

2 stops9h 55m

St John's

Fri 5/1

6:05 am-3:21 pm

2 stops10h 46m

$423

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 5/18

4:05 pm-12:51 am

2 stops7h 16m

St John's

Fri 5/29

6:05 am-3:21 pm

2 stops10h 46m

$456

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 4/29

11:40 am-10:55 pm

1 stop9h 45m

St John's

Fri 5/1

6:55 pm-10:46 am

1 stop17h 21m

$459

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 6/7

4:05 pm-12:51 am

2 stops7h 16m

St John's

Mon 6/15

6:05 am-3:21 pm

2 stops10h 46m

$482

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 4/29

9:55 am-5:21 pm

1 stop5h 56m

St John's

Fri 5/1

1:15 pm-6:58 pm

1 stop7h 13m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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

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

Reviews of airlines servicing St. John's

Get insights into the airlines that provide service to St. John's. 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 St. John's. Reviews last updated February 16, 2026.
See what other customers who have flown with United Airlines and Air Canada from Washington, D.C. Dulles Intl Airport to St. John's have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,299 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,299 reviews
United Airlines
7.4
Good
9,299 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,722 reviews
United Airlines
7.4
Good
9,299 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to St. John's. 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 into for flights to St. John's from Washington, D.C. Dulles Intl?

    If you book a flight to St. John's from Washington, D.C. Dulles Intl, you will be flying to 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 Washington, D.C. Dulles Intl to St John's per day from 2 different airlines.

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

    Airlines like Porter Airlines and Air Canada fly from Washington, D.C. Dulles Intl Airport to St. John's in about 5h 56m. The time it takes to get you to your destination can typically vary by up to 3h 59m. The distance from Washington, D.C. Dulles Intl Airport to St. John's is about 1371 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to St. John's round-trip?

    United Airlines, at $241, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to St. John's. An alternate airline flying to your destination would be Air Canada. These flights start at 59% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to St. John's 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

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Alternative routes for Dulles Intl to St. John's

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to St. John's flights
Baltimore to St. John's flights
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Reagan-National to Deer Lake flights
Dulles Intl to Deer Lake flights

Top 2 airlines flying from Dulles Intl to St. John's

Discover the top 2 airlines that operate flights from Dulles Intl to St. John's. 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$241Average$657FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$258Average$645FlexibilityNo cancel feeOn-time67%

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