What is the cheapest airline that flies from Washington, D.C. Dulles Intl to St John's?

Porter Airlines and Air Canada are the most popular carriers operating from Washington, D.C. Dulles Intl to St John's

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to St John's Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to St John's Airport were last updated today.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to St John's Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to St John's Airport.

What documentation or ID do you need to fly to St John's Airport?

The travel and health documents required for your trip to St John's Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at St John's Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$194 Cheap Flights from Washington, D.C. Dulles Intl Airport to St. John's in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to St. John's

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 am - 12:55 am

IAD

YYT

12h 00m

2 stops

7:00 pm - 3:10 pm

YYT

IAD

21h 40m

1 stop

$417Porter Airlines

Sat, Aug 22 - Fri, Aug 28

3:50 pm - 10:55 pm

IAD

YYT

29h 35m

1 stop

7:00 pm - 10:45 am

YYT

IAD

17h 15m

1 stop

$423Multiple Airlines

Sat, Aug 22 - Fri, Aug 28

11:25 am - 10:15 pm

IAD

YYT

9h 20m

1 stop

6:00 am - 3:10 pm

YYT

IAD

10h 40m

2 stops

$427Porter Airlines

Sat, Sep 5 - Tue, Sep 8

11:25 am - 10:55 pm

IAD

YYT

10h 00m

1 stop

7:00 pm - 10:45 am

YYT

IAD

17h 15m

1 stop

$436Multiple Airlines

Fri, Aug 21 - Fri, Aug 28

9:55 am - 7:00 pm

IAD

YYT

7h 35m

1 stop

1:35 pm - 8:24 pm

YYT

IAD

8h 19m

1 stop

$612Air Canada

Fri, Aug 28 - Fri, Sep 4

4:20 pm - 1:46 am

IAD

YYT

7h 56m

1 stop

5:00 am - 11:44 am

YYT

IAD

8h 14m

2 stops

$642Air Canada

Sat, Aug 29 - Tue, Sep 1

4:20 pm - 1:46 am

IAD

YYT

7h 56m

1 stop

5:00 am - 11:21 am

YYT

IAD

7h 51m

1 stop

$642Air Canada

Sat, Aug 29 - Tue, Sep 1

4:20 pm - 1:46 am

IAD

YYT

7h 56m

1 stop

1:15 pm - 10:59 pm

YYT

IAD

11h 14m

2 stops

$807United Airlines

Sat, Sep 5 - Sun, Sep 13

9:45 am - 5:08 pm

IAD

YYT

5h 53m

1 stop

1:15 pm - 7:00 pm

YYT

IAD

7h 15m

1 stop

$852United Airlines

Sat, Oct 10 - Mon, Oct 12

6:45 am - 5:08 pm

IAD

YYT

8h 53m

2 stops

1:15 pm - 7:00 pm

YYT

IAD

7h 15m

1 stop

$857United Airlines

Sat, Oct 10 - Mon, Oct 12

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Air Canada flights from Washington, D.C. Dulles Intl Airport to St. John's

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to St. John's flight tickets

Air Canada

Aug 28

IAD9:55 amWashington, D.C. Dulles Intl

7h 35m

1 stop

YYT7:00 pmSt John's

Sep 4

YYT1:35 pmSt John's

8h 19m

1 stop

IAD8:24 pmWashington, D.C. Dulles Intl

$612

Air Canada

Aug 29

IAD4:20 pmWashington, D.C. Dulles Intl

7h 56m

1 stop

YYT1:46 amSt John's

Sep 1

YYT5:00 amSt John's

7h 51m

1 stop

IAD11:21 amWashington, D.C. Dulles Intl

$642

Air Canada

Aug 28

IAD9:55 amWashington, D.C. Dulles Intl

7h 35m

1 stop

YYT7:00 pmSt John's

Sep 4

YYT1:35 pmSt John's

8h 19m

1 stop

IAD8:24 pmWashington, D.C. Dulles Intl

$643

Porter Airlines flights from Washington, D.C. Dulles Intl Airport to St. John's

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to St. John's flight tickets

Porter Airlines

Aug 22

IAD11:25 amWashington, D.C. Dulles Intl

12h 00m

2 stops

YYT12:55 amSt John's

Aug 28

YYT7:00 pmSt John's

21h 40m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$417

Porter Airlines

Sep 5

IAD11:25 amWashington, D.C. Dulles Intl

9h 20m

1 stop

YYT10:15 pmSt John's

Sep 8

YYT6:00 amSt John's

10h 40m

2 stops

IAD3:10 pmWashington, D.C. Dulles Intl

$427

Porter Airlines

Aug 21

IAD11:25 amWashington, D.C. Dulles Intl

10h 30m

1 stop

YYT11:25 pmSt John's

Aug 30

YYT10:00 amSt John's

26h 15m

1 stop

IAD10:45 amWashington, D.C. Dulles Intl

$473

momondo 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 - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 8/22

11:25 am-12:55 am

2 stops12h 00m

St John's

Fri 8/28

7:00 pm-3:10 pm

1 stop21h 40m

$417

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 8/22

3:50 pm-10:55 pm

1 stop29h 35m

St John's

Fri 8/28

7:00 pm-10:45 am

1 stop17h 15m

$423

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 9/5

11:25 am-10:15 pm

1 stop9h 20m

St John's

Tue 9/8

6:00 am-3:10 pm

2 stops10h 40m

$427

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/21

11:25 am-10:55 pm

1 stop10h 00m

St John's

Fri 8/28

7:00 pm-10:45 am

1 stop17h 15m

$436

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/28

9:55 am-7:00 pm

1 stop7h 35m

St John's

Fri 9/4

1:35 pm-8:24 pm

1 stop8h 19m

$612

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 8/29

4:20 pm-1:46 am

1 stop7h 56m

St John's

Tue 9/1

5:00 am-11:44 am

2 stops8h 14m

$642

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 8/29

4:20 pm-1:46 am

1 stop7h 56m

St John's

Tue 9/1

5:00 am-11:21 am

1 stop7h 51m

$642

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 9/5

4:20 pm-1:46 am

1 stop7h 56m

St John's

Sun 9/13

1:15 pm-10:59 pm

2 stops11h 14m

$807

Quickest round-trip

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 10/10

9:45 am-5:08 pm

1 stop5h 53m

St John's

Mon 10/12

1:15 pm-7:00 pm

1 stop7h 15m

$852

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 10/10

6:45 am-5:08 pm

2 stops8h 53m

St John's

Mon 10/12

1:15 pm-7:00 pm

1 stop7h 15m

$857

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to St. John's

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to St. John's?

If you aren’t able to travel during the month of February, then book flights to St. John's from Washington, D.C. Dulles Intl Airport during December instead. Flights to St. John's in December, while not as cheap as those in February, still average around $541.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to St. John's flights?

You could potentially save up to 49% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to St. John's flight.

When to book flights from Washington, D.C. Dulles Intl Airport to St. John's

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to St. John's according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to St. John's (IAD to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to St. John's

Fastest flight time	7h 30m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to St. John's takes 7h 30m

There are no direct flights from Washington, D.C. Dulles Intl Airport to St. John's. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to St. John's.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to St. John's

How far is Washington, D.C. Dulles Intl to St John's by plane?
A flight from Washington, D.C. Dulles Intl to St John's will travel around 1370.9 mi. A reasonable flight in good conditions will take 7h 30m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to St John's Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to St John's Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to St John's Airport?
There are 2 operators available for flights from Washington, D.C. Dulles Intl Airport to St John's Airport as of August 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to St John's Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to St John's Airport.
What documentation or ID do you need to fly to St John's Airport?
The travel and health documents required for your trip to St John's Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at St John's Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to St. John's?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to St. John's is Air Canada, representing 71% of all bookings. The subsequent popular airline is United Airlines at 29%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to St. John's

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to St. John's with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $541	Free Cancellation	Rating 7.1 11,413 reviews		Search Air Canada flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 10,055 reviews		Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to St. John's?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. John's from Washington, D.C..

Can I find flights from Washington, D.C. to St. John's with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to St. John's flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to St. John's?

momondo helps you find the best flight between Washington, D.C. and St. John's by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to St. John's right now. Can momondo alert me if prices change?

Price alerts on flights to St. John's from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. Dulles Intl Airport to St. John's from $194

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Air Canada flights from Washington, D.C. Dulles Intl Airport to St. John's

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to St. John's flight tickets

Porter Airlines flights from Washington, D.C. Dulles Intl Airport to St. John's

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to St. John's flight tickets

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See travel insights to St. John's from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to St. John's

What is the cheapest month to fly to St. John's?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to St. John's flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to St John's?

When to book flights from Washington, D.C. Dulles Intl Airport to St. John's

Cheap Washington, D.C. Dulles Intl Airport to St. John's (IAD to YYT) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to St. John's

Best airlines flying from Washington, D.C. Dulles Intl Airport to St. John's

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to St. John's with momondo

Why use momondo?

An easier way to manage your St. John's trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Newfoundland and Labrador

Fly your favorite airline to St. John's

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to St. John's

List of cabin classes available on flights landing in St. John's. Availability may vary depending on flight origin and airline.

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