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St. John's

$226+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYT
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$397
(Kiwi.com)

One-way from

$226
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$684
From Washington, D.C. Dulles Intl to St John's
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One-way flight from Washington, D.C. Dulles Intl to St John's
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Highest demand for flights based on searches. 19% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sun 10/57:14 pmIAD - YYT
2 stops27h 54mMultiple Airlines
Sat 10/116:00 amYYT - IAD
1 stop10h 36mMultiple Airlines
Deal found 8/19$397
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 10/57:14 pmIAD - YYT
2 stops27h 54mMultiple Airlines
Tue 10/143:00 pmYYT - IAD
1 stop25h 36mMultiple Airlines
Deal found 8/18$421
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 9/174:20 pmIAD - YYT
2 stops30h 48mPorter Airlines
Wed 9/246:00 amYYT - IAD
1 stop10h 36mPorter Airlines
Deal found 8/18$437
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 9/174:20 pmIAD - YYT
1 stop29h 06mMultiple Airlines
Wed 9/246:00 amYYT - IAD
1 stop10h 36mMultiple Airlines
Deal found 8/18$461
This Gotogate deal was found by Cheapflights users on 8/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:35 amIAD - YYT
2 stops11h 18mAir Canada
Tue 10/142:55 pmYYT - IAD
2 stops7h 40mAir Canada
Deal found 8/18$491
This Air Canada deal was found by Cheapflights users on 8/20. 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 10/59:35 amIAD - YYT
2 stops11h 18mAir Canada
Sat 10/1111:00 amYYT - IAD
2 stops11h 42mAir Canada
Deal found 8/20$517
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:16 amIAD - YYT
2 stops8h 47mAir Canada
Tue 10/281:25 pmYYT - IAD
2 stops9h 04mAir Canada
Deal found 8/18$536
This Gotogate deal was found by Cheapflights users on 8/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:35 amIAD - YYT
2 stops11h 33mPorter Airlines
Sat 10/112:55 pmYYT - IAD
2 stops25h 41mPorter Airlines
Deal found 8/19$539
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:35 amIAD - YYT
2 stops11h 33mMultiple Airlines
Mon 9/155:40 pmYYT - IAD
3 stops22h 56mMultiple Airlines
Deal found 8/19$560
This Air Canada deal was found by Cheapflights users on 8/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:35 amIAD - YYT
2 stops11h 18mAir Canada
Fri 10/32:55 pmYYT - IAD
2 stops7h 40mAir Canada
Deal found 8/18$562

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 August 20, 2025.
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

Sun 10/5

7:14 pm-12:38 am

2 stops27h 54m

St John's

Sat 10/11

6:00 am-3:06 pm

1 stop10h 36m

$397

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 10/5

7:14 pm-12:38 am

2 stops27h 54m

St John's

Tue 10/14

3:00 pm-3:06 pm

1 stop25h 36m

$421

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 9/17

4:20 pm-12:38 am

2 stops30h 48m

St John's

Wed 9/24

6:00 am-3:06 pm

1 stop10h 36m

$437

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 10/5

11:35 am-12:38 am

2 stops11h 33m

St John's

Sat 10/11

2:55 pm-10:16 am

3 stops20h 51m

$461

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 9/17

4:20 pm-10:56 pm

1 stop29h 06m

St John's

Wed 9/24

6:00 am-3:06 pm

1 stop10h 36m

$461

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 10/5

9:35 am-10:23 pm

2 stops11h 18m

St John's

Tue 10/14

2:55 pm-9:05 pm

2 stops7h 40m

$491

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 10/5

9:35 am-10:23 pm

2 stops11h 18m

St John's

Sat 10/11

11:00 am-9:12 pm

2 stops11h 42m

$517

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 10/17

8:16 am-6:33 pm

2 stops8h 47m

St John's

Tue 10/28

1:25 pm-8:59 pm

2 stops9h 04m

$536

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 9/11

11:35 am-12:38 am

2 stops11h 33m

St John's

Mon 9/15

5:40 pm-3:06 pm

3 stops22h 56m

$560

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 9/4

7:14 pm-12:38 am

2 stops27h 54m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 results
1
2

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 August 20, 2025.
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
8,928 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 30h 48m. 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?

    United Airlines, at $258, 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.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to St. John's?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. John's (average of $464). Flying from Washington, D.C. Dulles Intl Airport to St. John's in December is currently the most expensive (average of $641). 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

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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
Dulles Intl to Deer Lake flights
Reagan-National to Deer Lake flights
Baltimore 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$733FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$324Average$645FlexibilityNo cancel feeOn-time67%

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