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

$414+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YYT
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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

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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$414
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$596
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
Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 20, 2025.

This Gotogate deal was found by Cheapflights users on 11/18. 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.
Thu 12/252:30 pmIAD - YYT
2 stops9h 03mPorter Airlines
Sat 1/36:00 amYYT - IAD
2 stops12h 44mPorter Airlines
Deal found 11/18$475
This Air Canada deal was found by Cheapflights users on 11/18. 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.
Thu 12/119:45 amIAD - YYT
1 stop6h 06mAir Canada
Sun 12/145:05 amYYT - IAD
2 stops12h 11mAir Canada
Deal found 11/18$519
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:06 pmIAD - YYT
1 stop12h 59mUnited Airlines
Thu 12/251:30 pmYYT - IAD
1 stop8h 26mUnited Airlines
Deal found 11/19$527
This Trip.com deal was found by Cheapflights users on 11/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:40 amIAD - YYT
2 stops10h 05mPorter Airlines
Sat 1/36:00 amYYT - IAD
2 stops12h 44mPorter Airlines
Deal found 11/18$608
This Gotogate deal was found by Cheapflights users on 11/19. 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 12/2111:40 amIAD - YYT
2 stops11h 53mPorter Airlines
Sat 12/276:20 amYYT - IAD
2 stops12h 24mPorter Airlines
Deal found 11/19$626
This FlightHub deal was found by Cheapflights users on 11/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:40 amIAD - YYT
2 stops10h 05mPorter Airlines
Tue 12/96:00 amYYT - IAD
2 stops12h 44mPorter Airlines
Deal found 11/19$647
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:45 amIAD - YYT
1 stop6h 06mAir Canada
Tue 12/91:30 pmYYT - IAD
1 stop8h 26mAir Canada
Deal found 11/19$648

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 November 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 2/15

3:37 pm-2:31 pm

1 stop21h 24m

St John's

Thu 2/26

6:15 am-8:31 am

2 stops27h 46m

$414

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 12/25

2:30 pm-1:03 am

2 stops9h 03m

St John's

Sat 1/3

6:00 am-5:14 pm

2 stops12h 44m

$475

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 1/5

4:30 pm-1:43 am

1 stop7h 43m

St John's

Mon 1/12

1:30 pm-8:26 pm

1 stop8h 26m

$499

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 3/22

11:40 am-11:05 pm

2 stops9h 55m

St John's

Sun 3/29

6:00 am-5:14 pm

2 stops12h 44m

$512

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 12/11

9:45 am-5:21 pm

1 stop6h 06m

St John's

Sun 12/14

5:05 am-3:46 pm

2 stops12h 11m

$519

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 12/18

10:06 pm-12:35 pm

1 stop12h 59m

St John's

Thu 12/25

1:30 pm-8:26 pm

1 stop8h 26m

$527

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 3/22

9:55 am-5:21 pm

1 stop5h 56m

St John's

Sun 3/29

5:25 am-3:38 pm

2 stops11h 43m

$538

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 2/15

9:00 am-5:14 pm

1 stop6h 44m

St John's

Thu 2/26

5:00 am-8:29 pm

1 stop16h 59m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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

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 Dulles Intl to St. John's in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Washington, D.C. Dulles Intl Airport-St. John's flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-St. John's flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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 November 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
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,028 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,463 reviews
United Airlines
7.4
Good
9,028 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 7h 43m. The time it takes to get you to your destination can typically vary by up to 1h 20m. 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 $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. These flights start at 56% 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
Baltimore to Deer Lake flights
Dulles Intl to Deer Lake flights
Reagan-National 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$657FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$530Average$645FlexibilityNo cancel feeOn-time67%

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.