Cheap flights from St. John's to Washington, D.C. Dulles Intl Airport from C$ 349

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYT — IAD
4 Aug — 11 Aug1
1 adult

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

One-way flights from St. John's to Dulles Intl
Search for one-way flight options from St. John's to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Sun 28/96:00 a.m.YYT - IAD
1 stop10h 36mPorter Airlines
Deal found 28/7C$ 349
Wed 10/92:00 p.m.YYT - IAD
1 stop8h 35mAir Canada
Deal found 30/7C$ 350
Sun 28/96:00 a.m.YYT - IAD
2 stops13h 44mMultiple Airlines
Deal found 28/7C$ 454

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 30 July 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

Sun 28/9

6:00 a.m.-3:06 p.m.

1 stop10h 36m

C$ 349

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Wed 10/9

2:00 p.m.-9:05 p.m.

1 stop8h 35m

C$ 350

St. John'sWashington, D.C.

YYT - IAD

YYTIAD

St John's

Sun 28/9

6:00 a.m.-6:14 p.m.

2 stops13h 44m

C$ 454

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 30 July 2025.
See what other customers who have flown with Porter Airlines and Air Canada from St. John's to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Entertainment

7.0

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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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