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Cheap flights from Washington, D.C. Dulles Intl Airport to St. John's from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to St. John's departing on 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to St. John's

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 am - 12:35 pm
IAD
-
YYT
23h 35m
1 stop
Multiple Airlines Logo
3:00 pm - 3:21 pm
YYT
-
IAD
25h 51m
1 stop
$468Multiple Airlines
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
11:30 am - 12:35 pm
IAD
-
YYT
23h 35m
1 stop
Multiple Airlines Logo
3:00 pm - 4:22 pm
YYT
-
IAD
26h 52m
2 stops
$492Multiple Airlines
Tue, May 26 - Tue, Jun 2
Porter Airlines Logo
4:00 pm - 12:55 am
IAD
-
YYT
7h 25m
2 stops
Porter Airlines Logo
6:05 am - 3:16 pm
YYT
-
IAD
10h 41m
2 stops
$521Porter Airlines
Fri, Jul 17 - Fri, Jul 24
Porter Airlines Logo
11:30 am - 12:35 am
IAD
-
YYT
11h 35m
1 stop
Porter Airlines Logo
6:00 am - 3:16 pm
YYT
-
IAD
10h 46m
2 stops
$523Porter Airlines
Tue, Jun 16 - Mon, Jun 22
Porter Airlines Logo
4:05 pm - 12:56 am
IAD
-
YYT
7h 21m
2 stops
Porter Airlines Logo
6:00 am - 3:16 pm
YYT
-
IAD
10h 46m
2 stops
$524Porter Airlines
Fri, Jun 12 - Fri, Jun 19
Porter Airlines Logo
11:30 am - 12:56 am
IAD
-
YYT
11h 56m
2 stops
Porter Airlines Logo
6:00 am - 3:16 pm
YYT
-
IAD
10h 46m
2 stops
$526Porter Airlines
Tue, Jun 16 - Mon, Jun 22
Porter Airlines Logo
4:05 pm - 12:56 am
IAD
-
YYT
7h 21m
2 stops
Porter Airlines Logo
6:05 am - 3:21 pm
YYT
-
IAD
10h 46m
2 stops
$528Porter Airlines
Wed, Jun 10 - Wed, Jun 17
Porter Airlines Logo
4:00 pm - 12:55 am
IAD
-
YYT
7h 25m
2 stops
Porter Airlines Logo
6:05 am - 3:16 pm
YYT
-
IAD
10h 41m
2 stops
$534Porter Airlines
Mon, Jul 13 - Sun, Jul 19
Porter Airlines Logo
11:30 am - 12:55 am
IAD
-
YYT
11h 55m
2 stops
Porter Airlines Logo
6:05 am - 3:16 pm
YYT
-
IAD
10h 41m
2 stops
$535Porter Airlines
Fri, Jul 17 - Wed, Jul 22
Porter Airlines Logo
4:05 pm - 12:56 am
IAD
-
YYT
7h 21m
2 stops
Porter Airlines Logo
6:05 am - 3:16 pm
YYT
-
IAD
10h 41m
2 stops
$537Porter Airlines
Fri, Jun 12 - Fri, Jun 19

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
Jun 16
IAD11:30 amWashington, D.C. Dulles Intl
11h 35m
1 stop
YYT12:35 amSt John's
Jun 23
YYT6:00 amSt John's
30h 16m
2 stops
IAD10:46 amWashington, D.C. Dulles Intl
$470
Porter Airlines
Jun 16
IAD11:30 amWashington, D.C. Dulles Intl
11h 35m
1 stop
YYT12:35 amSt John's
Jun 23
YYT7:00 pmSt John's
17h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$475
Porter Airlines
Jul 17
IAD4:00 pmWashington, D.C. Dulles Intl
7h 25m
2 stops
YYT12:55 amSt John's
Jul 24
YYT6:05 amSt John's
10h 41m
2 stops
IAD3:16 pmWashington, D.C. Dulles Intl
$521

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
Sep 5
IAD4:20 pmWashington, D.C. Dulles Intl
7h 56m
1 stop
YYT1:46 amSt John's
Sep 14
YYT1:15 pmSt John's
7h 15m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$577
Air Canada
Aug 4
IAD4:20 pmWashington, D.C. Dulles Intl
7h 56m
1 stop
YYT1:46 amSt John's
Aug 5
YYT5:35 amSt John's
12h 07m
2 stops
IAD4:12 pmWashington, D.C. Dulles Intl
$578
Air Canada
Sep 21
IAD9:45 amWashington, D.C. Dulles Intl
8h 28m
2 stops
YYT7:43 pmSt John's
Sep 24
YYT1:15 pmSt John's
7h 15m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$582

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated May 1, 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

Tue 5/26

11:30 am-12:35 pm

1 stop23h 35m

St John's

Tue 6/2

3:00 pm-3:21 pm

1 stop25h 51m

$468

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 5/26

11:30 am-12:35 pm

1 stop23h 35m

St John's

Tue 6/2

3:00 pm-4:22 pm

2 stops26h 52m

$492

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 7/17

4:00 pm-12:55 am

2 stops7h 25m

St John's

Fri 7/24

6:05 am-3:16 pm

2 stops10h 41m

$521

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 6/16

11:30 am-12:35 am

1 stop11h 35m

St John's

Mon 6/22

6:00 am-3:16 pm

2 stops10h 46m

$523

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 6/12

4:05 pm-12:56 am

2 stops7h 21m

St John's

Fri 6/19

6:00 am-3:16 pm

2 stops10h 46m

$524

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 6/16

11:30 am-12:56 am

2 stops11h 56m

St John's

Mon 6/22

6:00 am-3:16 pm

2 stops10h 46m

$526

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 6/10

4:05 pm-12:56 am

2 stops7h 21m

St John's

Wed 6/17

6:05 am-3:21 pm

2 stops10h 46m

$528

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 7/13

4:00 pm-12:55 am

2 stops7h 25m

St John's

Sun 7/19

6:05 am-3:16 pm

2 stops10h 41m

$534

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 7/17

11:30 am-12:55 am

2 stops11h 55m

St John's

Wed 7/22

6:05 am-3:16 pm

2 stops10h 41m

$535
Quickest round-trip

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 6/12

4:05 pm-12:56 am

2 stops7h 21m

St John's

Fri 6/19

6:05 am-3:16 pm

2 stops10h 41m

$537

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

You could potentially save up to 87% 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 18m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to St. John's takes 7h 18m
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.
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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 18m.

  • 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?

  • 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?

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 CanadaPriceFrom $541Free CancellationRating
7.1
10,983 reviews
Search Air Canada flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,675 reviews
Search United Airlines flights

Why use momondo?

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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