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St. John's

$233+ Cheap flights from Dulles Intl (IAD) to St. John's (YYT)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYT
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 8/2211:25 am
IAD
-
YYT
2 stops12h 00m
Multiple Airlines
Fri 8/281:20 pm
YYT
-
IAD
1 stop22h 55m
Multiple Airlines
Deal found 7/18$488
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sat 8/153:50 pm
IAD
-
YYT
2 stops29h 35m
Porter Airlines
Fri 8/217:00 pm
YYT
-
IAD
1 stop17h 15m
Porter Airlines
Deal found 7/19$493
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:25 am
IAD
-
YYT
2 stops10h 00m
Porter Airlines
Mon 8/247:00 pm
YYT
-
IAD
1 stop17h 15m
Porter Airlines
Deal found 7/15$513
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Sat 8/153:50 pm
IAD
-
YYT
1 stop29h 35m
Multiple Airlines
Fri 8/217:00 pm
YYT
-
IAD
1 stop17h 15m
Multiple Airlines
Deal found 7/19$521
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:25 am
IAD
-
YYT
1 stop10h 00m
Multiple Airlines
Mon 8/247:00 pm
YYT
-
IAD
1 stop17h 15m
Multiple Airlines
Deal found 7/15$525
This Mytrip deal was found by Cheapflights users on 7/16. 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.
Fri 8/283:50 pm
IAD
-
YYT
2 stops7h 35m
Porter Airlines
Mon 8/316:00 am
YYT
-
IAD
2 stops10h 40m
Porter Airlines
Deal found 7/16$533
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sat 10/106:46 pm
IAD
-
YYT
2 stops40h 19m
Multiple Airlines
Sun 10/183:00 pm
YYT
-
IAD
1 stop21h 15m
Multiple Airlines
Deal found 7/18$554
This Mytrip deal was found by Cheapflights users on 7/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:50 pm
IAD
-
YYT
2 stops7h 35m
Porter Airlines
Wed 8/196:05 am
YYT
-
IAD
2 stops10h 35m
Porter Airlines
Deal found 7/15$561

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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$488
(Kiwi.com)

One-way from

$233
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$826
Provider with most accurate pricing for Washington, D.C. Dulles Intl-St John's flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-St John's flights.
Search Deals
From Washington, D.C. Dulles Intl to St John's
Search Deals
One-way flight from Washington, D.C. Dulles Intl to St John's
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($295 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 19, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 8/12

3:50 pm-12:55 am

2 stops7h 35m

St John's

Wed 8/19

6:05 am-3:10 pm

2 stops10h 35m

$561

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 8/24

3:50 pm-12:55 am

2 stops7h 35m

St John's

Thu 8/27

6:05 am-3:10 pm

2 stops10h 35m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 8/17

11:25 am-12:55 am

2 stops12h 00m

St John's

Fri 8/28

6:00 am-3:10 pm

2 stops10h 40m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/21

3:50 pm-12:55 am

2 stops7h 35m

St John's

Wed 8/26

6:00 am-3:10 pm

2 stops10h 40m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 8/18

11:25 am-10:55 pm

2 stops10h 00m

St John's

Fri 8/28

6:00 am-3:10 pm

2 stops10h 40m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 8/19

11:25 am-10:55 pm

2 stops10h 00m

St John's

Thu 8/27

6:05 am-3:10 pm

2 stops10h 35m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 8/22

3:50 pm-12:55 am

2 stops7h 35m

St John's

Fri 8/28

6:05 am-3:10 pm

2 stops10h 35m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/21

3:50 pm-12:55 am

2 stops7h 35m

St John's

Sat 8/22

6:05 am-3:10 pm

2 stops10h 35m

$610

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 11/5

11:20 am-12:57 am

2 stops12h 07m

St John's

Sun 11/8

2:25 pm-10:38 am

1 stop21h 43m

$690
Quickest round-trip

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 8/27

9:55 am-7:00 pm

1 stop7h 35m

St John's

Mon 8/31

8:30 am-3:24 pm

1 stop8h 24m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-St. John's flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's 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 Washington, D.C. Dulles Intl Airport-St. John's 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 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to St. John's

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to St. John's?

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 July 19, 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
10,010 reviews

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,010 reviews
United Airlines
7.4
Good
10,010 reviews

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
11,359 reviews
United Airlines
7.4
Good
10,010 reviews

Entertainment

7.1

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 fly from Washington, D.C. Dulles Intl Airport to St. John's in about 7h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Dulles Intl Airport to St. John's is about 1371 mi.

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

    Air Canada, at $541, 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 United Airlines. These flights start at 29% 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

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 July 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$541Average$799FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$598Average$734FlexibilityNo cancel feeOn-time69%

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