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Cheap flights from St. John's to Washington, D.C. from $425

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. John's to Washington, D.C. departing on 4/29. 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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0 bags

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Cheap round-trip flights

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Air Canada Logo
6:35 am - 3:39 pmYYT-IAD
10h 34m1 stop
Air Canada Logo
9:45 am - 5:22 pmIAD-YYT
6h 07m1 stop
$425Air Canada
Find Deal
Wed, Apr 29 - Fri, May 1
Air Canada Logo
1:25 pm - 9:00 pmYYT-IAD
9h 05m2 stops
Air Canada Logo
9:45 am - 5:22 pmIAD-YYT
6h 07m1 stop
$443Air Canada
Find Deal
Wed, Apr 29 - Fri, May 1
United Airlines Logo
5:25 am - 4:01 pmYYT-IAD
12h 06m2 stops
United Airlines Logo
6:00 am - 5:22 pmIAD-YYT
9h 52m2 stops
$449United Airlines
Find Deal
Wed, Apr 29 - Fri, May 1
Air Canada Logo
1:25 pm - 8:30 pmYYT-IAD
8h 35m1 stop
Air Canada Logo
9:45 am - 5:22 pmIAD-YYT
6h 07m1 stop
$454Air Canada
Find Deal
Wed, Apr 29 - Fri, May 1
Porter Airlines Logo
6:00 am - 5:14 pmYYT-IAD
12h 44m2 stops
Porter Airlines Logo
4:10 pm - 12:28 amIAD-YYT
6h 48m2 stops
$471Porter Airlines
Find Deal
Wed, Apr 29 - Fri, May 1
Air Canada Logo
1:25 pm - 8:30 pmYYT-IAD
8h 35m1 stop
Air Canada Logo
9:45 am - 10:23 pmIAD-YYT
11h 08m2 stops
$475Air Canada
Find Deal
Wed, Apr 29 - Fri, May 1
United Airlines Logo
5:25 am - 2:03 pmYYT-IAD
10h 08m2 stops
United Airlines Logo
6:00 am - 5:22 pmIAD-YYT
9h 52m2 stops
$494United Airlines
Find Deal
Wed, Apr 29 - Fri, May 1

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

Our best Porter Airlines deals on St. John's to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
Apr 29
YYT6:00 amSt John's
12h 44m
2 stops
IAD5:14 pmWashington, D.C. Dulles Intl
May 1
IAD4:10 pmWashington, D.C. Dulles Intl
6h 48m
2 stops
YYT12:28 amSt John's
$471
Find similar
Porter Airlines
Nov 8
YYT6:00 amSt John's
7h 59m
2 stops
IAD12:29 pmWashington, D.C. Dulles Intl
Nov 15
IAD1:45 pmWashington, D.C. Dulles Intl
9h 46m
2 stops
YYT1:01 amSt John's
$1,112
Find similar

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

Our best United Airlines deals on St. John's to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Apr 29
YYT5:25 amSt John's
12h 06m
2 stops
IAD4:01 pmWashington, D.C. Dulles Intl
May 1
IAD6:00 amWashington, D.C. Dulles Intl
9h 52m
2 stops
YYT5:22 pmSt John's
$449
Find similar
United Airlines
Apr 29
YYT5:25 amSt John's
10h 08m
2 stops
IAD2:03 pmWashington, D.C. Dulles Intl
May 1
IAD6:00 amWashington, D.C. Dulles Intl
9h 52m
2 stops
YYT5:22 pmSt John's
$494
Find similar
United Airlines
Nov 8
YYT1:30 pmSt John's
8h 26m
1 stop
IAD8:26 pmWashington, D.C. Dulles Intl
Nov 15
IAD6:00 amWashington, D.C. Dulles Intl
9h 51m
2 stops
YYT5:21 pmSt John's
$750
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. John's to Washington, D.C. Dulles Intl Airport 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 November 3, 2025.
Use the filters below to find and compare flights from St. John's to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

6:35 am-3:39 pm

1 stop10h 34m

Washington, D.C. Dulles Intl

Fri 5/1

9:45 am-5:22 pm

1 stop6h 07m

$425

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

1:25 pm-9:00 pm

2 stops9h 05m

Washington, D.C. Dulles Intl

Fri 5/1

9:45 am-5:22 pm

1 stop6h 07m

$443

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

5:25 am-4:01 pm

2 stops12h 06m

Washington, D.C. Dulles Intl

Fri 5/1

6:00 am-5:22 pm

2 stops9h 52m

$449

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

1:25 pm-8:30 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Fri 5/1

9:45 am-5:22 pm

1 stop6h 07m

$454

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

6:00 am-5:14 pm

2 stops12h 44m

Washington, D.C. Dulles Intl

Fri 5/1

4:10 pm-12:28 am

2 stops6h 48m

$471

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

1:25 pm-8:30 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Fri 5/1

9:45 am-10:23 pm

2 stops11h 08m

$475

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 4/29

5:25 am-2:03 pm

2 stops10h 08m

Washington, D.C. Dulles Intl

Fri 5/1

6:00 am-5:22 pm

2 stops9h 52m

$494

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

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

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

Direct flights

None
There are no direct flights from St. John's to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from St. John's to Washington, D.C. Dulles Intl Airport.
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  • How far is St John's to Washington, D.C. Dulles Intl by plane?

    There are 1370.9 mi between St John's and Washington, D.C. Dulles Intl. Flights usually cover this in 8h 35m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from St John's Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from St John's Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from St. John's to Washington, D.C. Dulles Intl Airport?

    Search flight deals from St. John's to Washington, D.C. Dulles Intl Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. John's to Washington, D.C. Dulles Intl Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. John's to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Washington, D.C. from St. John's on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential St. John's to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Washington, D.C. from St. John's. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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