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Cheap flights from St. John's to Washington, D.C. Dulles Intl Airport from C$ 258

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — IAD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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

Discover tips and strategies to find the most affordable flight options for your journey from St. John's (YYT) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 550

One-way from

C$ 258
Porter Airlines
  • Porter Airlines
  • 8/11-15/11
  • 4 total stops
  • 15h 29m total
  • St. John's to Washington, D.C.
Search Deals
2/10
  • 2/10
  • 2 total stops
  • 30h 34m total
  • St. John's to Washington, D.C.
Search Deals

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

Cheapest flights from St. John's to Dulles Intl
Explore the most affordable flight options available from St. John's to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 8/116:20 a.m.YYT - IAD
2 stops7h 39mPorter Airlines
Sat 15/111:45 p.m.IAD - YYT
2 stops7h 50mPorter Airlines
Deal found 11/9C$ 550
Sat 8/115:05 a.m.YYT - IAD
2 stops12h 16mAir Canada
Sat 15/119:45 a.m.IAD - YYT
1 stop6h 06mAir Canada
Deal found 10/9C$ 604
Fri 26/96:00 a.m.YYT - IAD
2 stops13h 49mMultiple Airlines
Sun 28/97:14 p.m.IAD - YYT
1 stop17h 46mMultiple Airlines
Deal found 10/9C$ 617
Fri 26/95:00 a.m.YYT - IAD
1 stop10h 08mAir Canada
Sun 28/93:36 p.m.IAD - YYT
1 stop8h 10mAir Canada
Deal found 10/9C$ 964

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. John's to Dulles Intl 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, Cheapflights users made 629,999 searches. Data last updated 11 September 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

St. John's

Fly to

Dulles Intl

Route

Depart

Return

Price

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sat 8/11

6:20 a.m.-12:29 p.m.

2 stops7h 39m

Washington, D.C. Dulles Intl

Sat 15/11

1:45 p.m.-11:05 p.m.

2 stops7h 50m

C$ 550

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sat 8/11

5:05 a.m.-3:51 p.m.

2 stops12h 16m

Washington, D.C. Dulles Intl

Sat 15/11

9:45 a.m.-5:21 p.m.

1 stop6h 06m

C$ 604

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 26/9

6:00 a.m.-6:19 p.m.

2 stops13h 49m

Washington, D.C. Dulles Intl

Sun 28/9

7:14 p.m.-2:30 p.m.

1 stop17h 46m

C$ 617

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 26/9

5:00 a.m.-1:38 p.m.

1 stop10h 08m

Washington, D.C. Dulles Intl

Sun 28/9

3:36 p.m.-1:16 a.m.

1 stop8h 10m

C$ 964

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Thu 2/10

1:15 p.m.-6:19 p.m.

2 stops30h 34m

C$ 258

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 1/10

1:15 p.m.-6:24 p.m.

2 stops30h 39m

C$ 265

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 1/10

7:00 a.m.-10:16 a.m.

3 stops28h 46m

C$ 267

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 3/10

6:00 a.m.-6:19 p.m.

2 stops13h 49m

C$ 267

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sat 4/10

6:00 a.m.-6:29 p.m.

2 stops13h 59m

C$ 280

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Fri 3/10

2:55 p.m.-3:06 p.m.

3 stops25h 41m

C$ 295

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 14 results
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Best time to book a flight from St. John's to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from St. John's with our price prediction graph.
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 St. John's to Washington, D.C. Dulles Intl Airport

What’s the top layover airport for flights from St. John's to Washington, D.C. Dulles Intl Airport?

Share of one-stop round-trip flights from St. John's to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 67% of one-stop itineraries from St. John's to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the fastest layover option from St. John's to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from St. John's to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 7h 21m.

What’s the fastest layover option from St. John's to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from St. John's to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Montreal (YUL) have the shortest average one-way travel time for 1-stop routes: 7h 21m.

Which airport typically offers the quickest layover for flights from St. John's to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from St. John's to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 1h 41m.

Related info for your journey

Find useful and relevant information for your journey from St. John's to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. John's to Washington, D.C. Dulles Intl?

    St John's (YYT) is the airport you will fly out of if you book a flight from St. John's to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from St John's; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the St. John's airport to Washington, D.C. Dulles Intl. It is only a 6.7 km journey to St John's (YYT) from St. John's’s city centre.

  • How long is the flight from St. John's to Washington, D.C. Dulles Intl Airport?

    Porter Airlines and Air Canada can get you from St. John's to Washington, D.C. Dulles Intl Airport in just under 7h 39m. Your travel time can differ by up to 4h 37m. The distance from St. John's to Washington, D.C. Dulles Intl Airport is about 2206 km. This flight may include one or multiple stops.

  • Can I find deals for flights from St. John's to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on St. John's to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. John's to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to Dulles Intl.

  • Can I find deals for business class flights from St. John's to Dulles Intl?

    Yes. Cheapflights offers flight deals from St. John's to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. John's to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from St. John's to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from St. John's to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Alternative routes for St. John's to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
St. John's to Reagan-National flights
St. John's to Baltimore flights

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Can Cheapflights notify me if prices for flights from St. John's to Dulles Intl become cheaper?

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