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 10h 20m. 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 24% 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.

$155+ 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 September 15, 2026.

Mon 10/193:50 pm -

2 stops7h 35m

Wed 10/218:25 pm -

1 stop15h 50m

Deal found 9/12

$366

Sun 10/183:50 pm -

2 stops7h 35m

Wed 10/218:25 pm -

1 stop15h 50m

Deal found 9/12

$388

Tue 11/1711:20 am -

1 stop24h 40m

Fri 11/276:00 am -

2 stops30h 08m

Deal found 9/12

$422

Fri 10/233:50 pm -

2 stops7h 35m

Mon 10/262:25 pm -

1 stop21h 43m

Deal found 9/14

$474

Mon 10/1911:25 am -

2 stops12h 00m

Wed 10/214:00 pm -

3 stops20h 15m

Deal found 9/12

$486

Fri 10/2311:25 am -

1 stop10h 00m

Mon 10/262:25 pm -

1 stop21h 43m

Deal found 9/14

$490

Sun 10/183:50 pm -

2 stops7h 35m

Wed 10/214:00 pm -

3 stops20h 15m

Deal found 9/12

$509

Fri 10/1611:25 am -

2 stops12h 00m

Mon 10/196:05 am -

2 stops10h 35m

Deal found 9/11

$516

Tue 10/2011:25 am -

2 stops12h 00m

Thu 10/226:05 am -

2 stops10h 35m

Deal found 9/10

$523

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 September 15, 2026.

Sun 10/1811:25 am -

1 stop10h 00m

Wed 10/218:25 pm -

1 stop20h 15m

Deal found 9/12

$432

Tue 11/1711:20 am -

3 stops10h 20m

Fri 11/276:00 am -

2 stops13h 13m

Deal found 9/12

$513

Mon 10/194:00 pm -

1 stop8h 16m

Wed 10/211:35 pm -

1 stop8h 20m

Deal found 9/12

$593

Fri 10/2311:25 am -

1 stop10h 00m

Mon 10/263:15 pm -

3 stops20h 53m

Deal found 9/14

$553

Mon 10/2611:20 am -

3 stops10h 20m

Mon 11/26:00 am -

2 stops13h 13m

Deal found 9/11

$575

Wed 10/74:00 pm -

1 stop8h 16m

Wed 10/141:35 pm -

1 stop8h 20m

Deal found 9/13

$595

Sun 10/2511:20 am -

2 stops12h 07m

Sun 11/16:00 am -

2 stops12h 17m

Deal found 9/10

$590

Fri 10/164:00 pm -

1 stop8h 16m

Mon 10/198:30 am -

1 stop8h 25m

Deal found 9/11

$595

Fri 10/1611:25 am -

2 stops12h 00m

Sat 10/176:05 am -

2 stops30h 10m

Deal found 9/10

$596

Fri 10/233:50 pm -

2 stops7h 35m

Mon 10/266:00 am -

2 stops30h 08m

Deal found 9/13

$598

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 September 15, 2026 and is based on user searches.

Fri 10/1611:25 am -

2 stops12h 00m

Mon 10/196:05 am -

2 stops10h 35m

Deal found 9/11

$516

Sun 10/183:50 pm -

2 stops7h 35m

Wed 10/218:25 pm -

1 stop15h 50m

Deal found 9/12

$388

Sun 10/183:50 pm -

2 stops7h 35m

Wed 10/214:00 pm -

3 stops20h 15m

Deal found 9/12

$509

Mon 10/193:50 pm -

2 stops7h 35m

Wed 10/218:25 pm -

1 stop15h 50m

Deal found 9/12

$366

Mon 10/1911:25 am -

2 stops12h 00m

Wed 10/214:00 pm -

3 stops20h 15m

Deal found 9/12

$486

Tue 10/2011:25 am -

2 stops12h 00m

Thu 10/226:05 am -

2 stops10h 35m

Deal found 9/10

$523

Fri 10/233:50 pm -

2 stops7h 35m

Mon 10/262:25 pm -

1 stop21h 43m

Deal found 9/14

$474

Fri 10/2311:25 am -

1 stop10h 00m

Mon 10/262:25 pm -

1 stop21h 43m

Deal found 9/14

$490

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 September 15, 2026.

Fri 10/163:50 pm -

2 stops7h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$155

Thu 10/153:50 pm -

2 stops7h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$182

Mon 10/193:50 pm -

3 stops27h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$184

Sun 10/1811:25 am -

2 stops12h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$186

Sat 10/174:00 pm -

1 stop5h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$268

Fri 10/169:55 am -

2 stops12h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$311

Thu 10/13:50 pm -

2 stops29h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$413

Thu 10/13:50 pm -

1 stop26h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$492

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	$366 (Kiwi.com)
One-way from	$155 (Kiwi.com)
Popular in	June
Cheapest in	December
Average price	$739

Provider with most accurate pricing for Washington, D.C. Dulles Intl-St John's flight deals.

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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. 13% potential increase in price ($113 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 September 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

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

Mon 10/19

3:50 pm-12:55 am

2 stops7h 35m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$155

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Sun 10/18

11:25 am-12:55 am

2 stops12h 00m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$186

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Fri 10/16

3:50 pm-8:20 pm

3 stops27h 00m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$199

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Tue 10/20

9:55 am-11:28 pm

2 stops12h 03m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$311

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Sun 10/18

11:25 am-10:55 pm

1 stop10h 00m

St John's

Wed 10/21

8:25 pm-3:10 pm

1 stop20h 15m

$432

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Thu 10/1

3:50 pm-3:05 pm

3 stops21h 45m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$435

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Thu 10/1

3:50 pm-7:35 pm

1 stop26h 15m

St John's

Wed 12/31

12:00 am-10:30 pm

Nonstop0h 00m

$492

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Tue 11/17

11:20 am-11:10 pm

3 stops10h 20m

St John's

Fri 11/27

6:00 am-5:43 pm

2 stops13h 13m

$513

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Fri 10/23

11:25 am-10:55 pm

1 stop10h 00m

St John's

Mon 10/26

3:15 pm-10:38 am

3 stops20h 53m

$553

Washington, D.C.St. John's

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

IADYYT

Washington, D.C. Dulles Intl

Mon 10/26

11:20 am-11:10 pm

3 stops10h 20m

St John's

Mon 11/2

6:00 am-5:43 pm

2 stops13h 13m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 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.

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?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to St. John's flights typically cost between $707 and $849 in October.
The cheapest round-trip price found within the last 5 days was $366 on Multiple Airlines (Oct 19-Oct 21).

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

10,209 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

10,209 reviews

United Airlines

7.4

Good

10,209 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

11,630 reviews

United Airlines

7.4

Good

10,209 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 fly from Washington, D.C. Dulles Intl Airport to St. John's in about 10h 20m. 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 24% 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

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St. John's flight routes

Alternative routes for Dulles Intl to St. John's

Reagan-National to St. John's flights

Baltimore to St. John's flights

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

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$541	Average$789	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$598	Average$734	FlexibilityNo cancel fee	On-time69%

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$155+ 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 10/16. 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 September 15, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to St. John's. Data last updated September 15, 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 September 15, 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 September 15, 2026.

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

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Round-trip from

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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.

Cheapflights Insights

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to St. John's flights typically cost between $707 and $849 in October.The cheapest round-trip price found within the last 5 days was $366 on Multiple Airlines (Oct 19-Oct 21).

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 September 15, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 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 September 15, 2026.

Washington, D.C. Dulles Intl Airport to St. John's flights typically cost between $707 and $849 in October.
The cheapest round-trip price found within the last 5 days was $366 on Multiple Airlines (Oct 19-Oct 21).