HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. John's

$232+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYT
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to St. John's with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Fri 6/124:05 pm
IAD
-
YYT
2 stops31h 21m
Porter Airlines
Fri 6/197:00 pm
YYT
-
IAD
1 stop21h 46m
Porter Airlines
Deal found 5/15$457
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Wed 6/104:05 pm
IAD
-
YYT
2 stops7h 21m
Porter Airlines
Fri 6/197:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/15$471
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/54:00 pm
IAD
-
YYT
2 stops29h 25m
Porter Airlines
Thu 7/97:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/14$493
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:00 pm
IAD
-
YYT
1 stop24h 30m
Porter Airlines
Sat 7/116:00 am
YYT
-
IAD
2 stops10h 46m
Porter Airlines
Deal found 5/14$503
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:00 pm
IAD
-
YYT
1 stop24h 30m
Porter Airlines
Fri 7/107:00 pm
YYT
-
IAD
1 stop21h 46m
Porter Airlines
Deal found 5/14$506
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Wed 6/104:05 pm
IAD
-
YYT
1 stop29h 20m
Multiple Airlines
Fri 6/197:00 pm
YYT
-
IAD
1 stop17h 16m
Multiple Airlines
Deal found 5/15$507
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:00 pm
IAD
-
YYT
2 stops29h 25m
Porter Airlines
Mon 7/137:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/14$514
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:00 pm
IAD
-
YYT
1 stop24h 30m
Porter Airlines
Mon 7/137:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/14$527
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:00 pm
IAD
-
YYT
2 stops29h 25m
Porter Airlines
Fri 7/107:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/14$531
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:30 am
IAD
-
YYT
2 stops9h 55m
Porter Airlines
Thu 7/97:00 pm
YYT
-
IAD
1 stop17h 16m
Porter Airlines
Deal found 5/14$542

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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$457
(Kiwi.com)

One-way from

$232
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$833
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. 18% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 17, 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 7/22

11:30 am-12:55 am

2 stops11h 55m

St John's

Wed 8/5

6:05 am-3:16 pm

2 stops10h 41m

$580

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 7/3

11:30 am-12:55 am

2 stops11h 55m

St John's

Sun 7/12

6:05 am-3:16 pm

2 stops10h 41m

$582

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 7/12

4:00 pm-12:55 am

2 stops7h 25m

St John's

Fri 7/17

6:05 am-3:16 pm

2 stops10h 41m

$582

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 7/5

11:30 am-10:55 pm

2 stops9h 55m

St John's

Thu 7/9

6:00 am-3:16 pm

2 stops10h 46m

$608

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 6/17

4:05 pm-12:56 am

2 stops7h 21m

St John's

Thu 6/18

6:05 am-3:16 pm

2 stops10h 41m

$633

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 6/25

4:00 pm-12:56 am

2 stops7h 26m

St John's

Mon 6/29

6:05 am-3:16 pm

2 stops10h 41m

$637

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 7/22

3:45 pm-12:45 am

1 stop7h 30m

St John's

Wed 8/5

11:05 am-7:01 pm

2 stops9h 26m

$638

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 7/23

3:45 pm-12:45 am

1 stop7h 30m

St John's

Tue 8/4

5:35 am-4:12 pm

2 stops12h 07m

$638

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 7/3

4:00 pm-12:55 am

2 stops7h 25m

St John's

Mon 7/13

6:05 am-3:16 pm

2 stops10h 41m

$641
Quickest round-trip

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 7/12

9:45 am-5:10 pm

1 stop5h 55m

St John's

Fri 7/17

8:30 am-3:24 pm

1 stop8h 24m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 20 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 May 17, 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
9,730 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,730 reviews
United Airlines
7.4
Good
9,730 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Air Canada
7.1
Good
11,056 reviews
United Airlines
7.4
Good
9,730 reviews

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 11h 55m. 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 27% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$541Average$612FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$598Average$734FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights