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 56m. The time it takes to get you to your destination can typically vary by up to 4h 04m. 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?

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.

In terms of precipitation, rainfall in St. John's ranges from 3.6 - 6.5 inches per month. December is typically the wettest month, when rainfall can reach 6.5 in. July is typically the driest time to visit St. John's when rainfall is around 3.6 in.

If weather is an important factor for your trip to St. John's, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from IAD to YYT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to St. John's as you normally would.

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.

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.

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.

$255+ Cheap Flights from Washington, D.C. Dulles Intl Airport to St. John's

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

Cheapest

Best

Last-minute

One-way

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 14, 2026.

Tue 10/2011:25 am -

1 stop10h 00m

Sat 10/243:00 pm -

1 stop21h 08m

Deal found 8/10

$409

Thu 9/1011:25 am -

2 stops12h 00m

Thu 9/176:05 am -

2 stops10h 35m

Deal found 8/10

$411

Wed 9/911:25 am -

1 stop10h 00m

Sun 9/206:00 am -

2 stops30h 15m

Deal found 8/10

$457

Sat 9/54:25 pm -

1 stop29h 00m

Fri 9/251:20 pm -

1 stop22h 55m

Deal found 8/13

$471

Mon 9/143:50 pm -

2 stops7h 35m

Mon 9/216:00 am -

2 stops10h 40m

Deal found 8/13

$498

Thu 9/1011:25 am -

1 stop10h 00m

Sun 9/138:45 am -

2 stops27h 30m

Deal found 8/10

$542

Tue 9/811:25 am -

2 stops12h 00m

Thu 9/106:05 am -

2 stops10h 35m

Deal found 8/12

$546

Sat 9/1911:25 am -

2 stops10h 00m

Sun 9/206:05 am -

2 stops10h 35m

Deal found 8/10

$553

Wed 9/911:25 am -

2 stops12h 00m

Sun 9/206:05 am -

2 stops10h 35m

Deal found 8/10

$560

Best flights from Dulles Intl to St. John's
Discover carefully curated flight deals from Dulles Intl to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.

Sat 9/54:25 pm -

1 stop29h 00m

Fri 9/256:00 am -

2 stops10h 40m

Deal found 8/13

$485

Thu 9/1011:25 am -

2 stops12h 00m

Thu 9/178:45 am -

3 stops27h 30m

Deal found 8/10

$587

Fri 9/44:20 pm -

1 stop7h 56m

Sun 9/135:00 am -

1 stop10h 52m

Deal found 8/12

$616

Thu 9/173:50 pm -

2 stops7h 35m

Mon 9/216:05 am -

2 stops30h 10m

Deal found 8/11

$623

Tue 9/83:50 pm -

2 stops29h 35m

Wed 9/236:00 am -

2 stops30h 15m

Deal found 8/10

$624

Tue 9/84:00 pm -

1 stop8h 16m

Tue 9/155:45 am -

2 stops10h 07m

Deal found 8/12

$693

Sat 9/512:05 pm -

2 stops11h 20m

Fri 9/254:00 pm -

3 stops20h 15m

Deal found 8/13

$681

Mon 9/712:05 pm -

2 stops11h 20m

Mon 9/146:00 am -

2 stops10h 40m

Deal found 8/10

$683

Fri 10/3011:20 am -

3 stops10h 20m

Fri 11/66:00 am -

2 stops13h 13m

Deal found 8/13

$713

Last-minute flights from Dulles Intl to St. John's
Discover last-minute flight deals from Dulles Intl to St. John's. Data last updated August 14, 2026 and is based on user searches.

Sat 9/54:25 pm -

1 stop29h 00m

Fri 9/251:20 pm -

1 stop22h 55m

Deal found 8/13

$471

Tue 9/811:25 am -

2 stops12h 00m

Thu 9/106:05 am -

2 stops10h 35m

Deal found 8/12

$546

Wed 9/911:25 am -

1 stop10h 00m

Sun 9/206:00 am -

2 stops30h 15m

Deal found 8/10

$457

Wed 9/911:25 am -

2 stops12h 00m

Sun 9/206:05 am -

2 stops10h 35m

Deal found 8/10

$560

Thu 9/1011:25 am -

2 stops12h 00m

Thu 9/176:05 am -

2 stops10h 35m

Deal found 8/10

$411

Thu 9/1011:25 am -

1 stop10h 00m

Sun 9/138:45 am -

2 stops27h 30m

Deal found 8/10

$542

Sun 9/133:50 pm -

2 stops7h 35m

Sun 9/206:05 am -

2 stops10h 35m

Deal found 8/14

$561

Mon 9/143:50 pm -

2 stops7h 35m

Mon 9/216:00 am -

2 stops10h 40m

Deal found 8/13

$498

Sat 9/1911:25 am -

2 stops10h 00m

Sun 9/206:05 am -

2 stops10h 35m

Deal found 8/10

$553

Sat 9/1911:25 am -

1 stop10h 00m

Sun 9/206:00 am -

2 stops10h 40m

Deal found 8/10

$563

One-way flights from Dulles Intl to St. John's
Search for one-way flight options from Dulles Intl to St. John's. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.

Fri 9/44:20 pm -

1 stop7h 56m

Deal found 8/10

$255

Fri 9/44:25 pm -

2 stops31h 00m

Deal found 8/10

$288

Fri 8/284:20 pm -

1 stop7h 56m

Deal found 8/11

$316

Fri 8/283:50 pm -

2 stops29h 35m

Deal found 8/11

$326

Fri 8/2811:25 am -

3 stops31h 22m

Deal found 8/11

$338

Thu 9/243:45 pm -

1 stop7h 18m

Deal found 8/13

$490

Thu 9/246:10 am -

2 stops15h 15m

Deal found 8/13

$886

Thu 9/247:00 am -

3 stops57h 35m

Deal found 8/13

$1,861

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$409 (Kiwi.com)
One-way from	$255 (Air Canada)
Popular in	May
Cheapest in	December
Average price	$671

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 August 2026

Search Deals

Cheapflights Fare Finder

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 Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Sat 9/5

4:25 pm-10:55 pm

1 stop29h 00m

St John's

Fri 9/25

6:00 am-3:10 pm

2 stops10h 40m

$485

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Thu 9/10

11:25 am-12:55 am

2 stops12h 00m

St John's

Thu 9/17

8:45 am-10:45 am

3 stops27h 30m

$587

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Fri 9/4

4:20 pm-1:46 am

1 stop7h 56m

St John's

Sun 9/13

5:00 am-2:22 pm

1 stop10h 52m

$616

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Thu 9/17

3:50 pm-12:55 am

2 stops7h 35m

St John's

Mon 9/21

6:05 am-10:45 am

2 stops30h 10m

$623

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Tue 9/8

3:50 pm-10:55 pm

2 stops29h 35m

St John's

Wed 9/23

6:00 am-10:45 am

2 stops30h 15m

$624

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Sat 9/5

12:05 pm-12:55 am

2 stops11h 20m

St John's

Fri 9/25

4:00 pm-10:45 am

3 stops20h 15m

$681

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Mon 9/7

12:05 pm-12:55 am

2 stops11h 20m

St John's

Mon 9/14

6:00 am-3:10 pm

2 stops10h 40m

$683

Quickest round-trip

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Tue 9/8

4:00 pm-1:46 am

1 stop8h 16m

St John's

Tue 9/15

5:45 am-2:22 pm

2 stops10h 07m

$693

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Fri 10/30

11:20 am-11:10 pm

3 stops10h 20m

St John's

Fri 11/6

6:00 am-5:43 pm

2 stops13h 13m

$713

Cheapest one-way

Washington, D.C.St. John's

IAD Washington, D.C. Dulles Intl - YYT St John's

IADYYT

Washington, D.C. Dulles Intl

Fri 9/4

4:20 pm-1:46 am

1 stop7h 56m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 17 resultsSorted by cheapest first

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.

IAD-YYT

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

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

10,108 reviews

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

10,108 reviews

United Airlines

7.4

Good

10,108 reviews

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

11,471 reviews

United Airlines

7.4

Good

10,108 reviews

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

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 56m. The time it takes to get you to your destination can typically vary by up to 4h 04m. 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?
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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Top 2 airlines flying from Dulles Intl to St. John's

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$541	Average$799	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$598	Average$734	FlexibilityNo cancel fee	On-time69%

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$255+ 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.

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

Cheapest flights from Dulles Intl to St. John'sExplore 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 14, 2026.

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 14, 2026.

Best flights from Dulles Intl to St. John'sDiscover carefully curated flight deals from Dulles Intl to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.

Discover carefully curated flight deals from Dulles Intl to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.

Last-minute flights from Dulles Intl to St. John'sDiscover last-minute flight deals from Dulles Intl to St. John's. Data last updated August 14, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to St. John's. Data last updated August 14, 2026 and is based on user searches.

One-way flights from Dulles Intl to St. John'sSearch for one-way flight options from Dulles Intl to St. John's. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.

Search for one-way flight options from Dulles Intl to St. John's. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.

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Cheapflights Fare Finder

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.

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.

Reviews of airlines servicing St. John's

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.

Related info for your journey

What airport do you fly into for flights to St. John's from Washington, D.C. Dulles Intl?

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

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

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

How can I 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?

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.

Complete your trip

Complete your trip to St. John's by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to St. John's by cabin class

Find flights from Dulles Intl to St. John's, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and St. John's flights

Browse other Dulles Intl and St. John's flight options. Last updated on August 14, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to St. John's

Explore flights to St. John's departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.

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

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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 14, 2026.

Best flights from Dulles Intl to St. John's
Discover carefully curated flight deals from Dulles Intl to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.

Last-minute flights from Dulles Intl to St. John's
Discover last-minute flight deals from Dulles Intl to St. John's. Data last updated August 14, 2026 and is based on user searches.

One-way flights from Dulles Intl to St. John's
Search for one-way flight options from Dulles Intl to St. John's. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.