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Cheap flights from Washington, D.C. Dulles Intl Airport to St. John's from $209

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 11/1. 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

Multiple Airlines Logo
4:20 pm - 10:56 pmIAD-YYT
29h 06m1 stop
Multiple Airlines Logo
1:15 pm - 6:19 pmYYT-IAD
30h 34m2 stops
$407Multiple Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
Porter Airlines Logo
11:35 am - 12:38 amIAD-YYT
11h 33m2 stops
Porter Airlines Logo
5:00 am - 4:14 pmYYT-IAD
12h 44m2 stops
$411Porter Airlines
Find Deal
Thu, Oct 23 - Sun, Nov 2
Porter Airlines Logo
11:40 am - 11:05 pmIAD-YYT
9h 55m2 stops
Porter Airlines Logo
6:20 am - 12:29 pmYYT-IAD
7h 39m2 stops
$440Porter Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
Multiple Airlines Logo
7:14 pm - 2:30 pmIAD-YYT
17h 46m1 stop
Multiple Airlines Logo
6:00 am - 3:06 pmYYT-IAD
10h 36m1 stop
$441Multiple Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 1
Porter Airlines Logo
1:45 pm - 1:01 amIAD-YYT
9h 46m2 stops
Porter Airlines Logo
5:40 pm - 5:14 pmYYT-IAD
25h 04m1 stop
$445Porter Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Air Canada Logo
4:30 pm - 1:33 amIAD-YYT
7h 33m1 stop
Air Canada Logo
5:05 am - 3:54 pmYYT-IAD
12h 19m2 stops
$480Air Canada
Find Deal
Tue, Mar 10 - Wed, Mar 11
Air Canada Logo
4:30 pm - 1:33 amIAD-YYT
7h 33m1 stop
Air Canada Logo
5:05 am - 3:54 pmYYT-IAD
12h 19m2 stops
$490Air Canada
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
4:30 pm - 1:33 amIAD-YYT
7h 33m1 stop
United Airlines Logo
5:05 am - 3:55 pmYYT-IAD
12h 20m2 stops
$573United Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
United Airlines Logo
9:35 am - 5:09 pmIAD-YYT
6h 04m1 stop
United Airlines Logo
5:50 am - 7:57 pmYYT-IAD
15h 37m2 stops
$716United Airlines
Find Deal
Thu, Oct 23 - Sun, Nov 2
WestJet Logo
6:05 am - 10:56 pmIAD-YYT
15h 21m2 stops
WestJet Logo
7:10 am - 5:50 pmYYT-IAD
12h 10m1 stop
$1,356WestJet
Find Deal
Thu, Oct 9 - Mon, Oct 13

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
Mar 10
IAD4:30 pmWashington, D.C. Dulles Intl
7h 33m
1 stop
YYT1:33 amSt John's
Mar 11
YYT5:05 amSt John's
12h 19m
2 stops
IAD3:54 pmWashington, D.C. Dulles Intl
$480
Find similar
Air Canada
Mar 10
IAD4:30 pmWashington, D.C. Dulles Intl
7h 33m
1 stop
YYT1:33 amSt John's
Mar 11
YYT5:05 amSt John's
12h 19m
2 stops
IAD3:54 pmWashington, D.C. Dulles Intl
$490
Find similar
Air Canada
Jan 6
IAD9:45 amWashington, D.C. Dulles Intl
6h 06m
1 stop
YYT5:21 pmSt John's
Jan 11
YYT1:25 pmSt John's
9h 04m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$501
Find similar

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
Oct 23
IAD11:35 amWashington, D.C. Dulles Intl
11h 33m
2 stops
YYT12:38 amSt John's
Nov 2
YYT5:00 amSt John's
12h 44m
2 stops
IAD4:14 pmWashington, D.C. Dulles Intl
$411
Find similar
Porter Airlines
Oct 31
IAD11:40 amWashington, D.C. Dulles Intl
9h 55m
2 stops
YYT11:05 pmSt John's
Nov 1
YYT6:20 amSt John's
7h 39m
2 stops
IAD12:29 pmWashington, D.C. Dulles Intl
$440
Find similar
Porter Airlines
Nov 15
IAD1:45 pmWashington, D.C. Dulles Intl
9h 46m
2 stops
YYT1:01 amSt John's
Nov 17
YYT5:40 pmSt John's
25h 04m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$445
Find similar

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 September 17, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 9/30

4:20 pm-10:56 pm

1 stop29h 06m

St John's

Thu 10/2

1:15 pm-6:19 pm

2 stops30h 34m

$407

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 10/23

11:35 am-12:38 am

2 stops11h 33m

St John's

Sun 11/2

5:00 am-4:14 pm

2 stops12h 44m

$411

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 10/31

11:40 am-11:05 pm

2 stops9h 55m

St John's

Sat 11/1

6:20 am-12:29 pm

2 stops7h 39m

$440

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 9/28

7:14 pm-2:30 pm

1 stop17h 46m

St John's

Wed 10/1

6:00 am-3:06 pm

1 stop10h 36m

$441

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sat 11/15

1:45 pm-1:01 am

2 stops9h 46m

St John's

Mon 11/17

5:40 pm-5:14 pm

1 stop25h 04m

$445

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 3/10

4:30 pm-1:33 am

1 stop7h 33m

St John's

Wed 3/11

5:05 am-3:54 pm

2 stops12h 19m

$480

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 3/10

4:30 pm-1:33 am

1 stop7h 33m

St John's

Wed 3/11

5:05 am-3:54 pm

2 stops12h 19m

$490

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 10/31

4:30 pm-1:33 am

1 stop7h 33m

St John's

Sat 11/1

5:05 am-3:55 pm

2 stops12h 20m

$573

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 10/23

9:35 am-5:09 pm

1 stop6h 04m

St John's

Sun 11/2

5:50 am-7:57 pm

2 stops15h 37m

$716

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 10/9

6:05 am-10:56 pm

2 stops15h 21m

St John's

Mon 10/13

7:10 am-5:50 pm

1 stop12h 10m

$1,356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

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

What is the cheapest day to depart on your flight to St. John's?

Our data shows that Tuesday is the least expensive day to fly to St. John's. Tickets to fly out on this day can be as low as $666. Flights from Washington, D.C. Dulles Intl Airport to St. John's on a Saturday will generally be more expensive and average around $824. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. John's?

The cheapest time of day to fly to St. John's is at noon when flights can be purchased for as low as $630. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $781 on average. Flights to St. John's from Washington, D.C. Dulles Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 4% 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

Direct flights

None
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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  • 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 5h 56m.

  • 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
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $324Free CancellationRating
7.1
10,000 reviews
Search Air Canada 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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