What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to St. John's round-trip?

Porter Airlines, at $422, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to St. John's.Alternate airlines to your destination round-trip include Air Canada and United Airlines.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. John's (average of $464). Flying from Washington, D.C. Dulles Intl Airport to St. John's in December is currently the most expensive (average of $641). 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to St. John's?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to St. John's flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. John's ranges from 3.6 - 6.5 inches per month. December is typically the wettest month, when rainfall can reach 6.5 in. July is typically the driest time to visit St. John's when rainfall is around 3.6 in.

If weather is an important factor for your trip to St. John's, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to St. John's?

Friday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to St. John's. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. John's.

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

Flights from Washington, D.C. Dulles Intl Airport to St. John's lean towards being more expensive in January. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to St. John's in October, with the cheapest ticket starting at $507.

What is the cheapest time of day to fly from IAD to YYT?

When flying from Washington, D.C. Dulles Intl Airport to St. John's, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 18% versus a flight in the morning.

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

If you book a flight to St. John's from Washington, D.C. Dulles Intl, you will be flying to St John's, which is the city’s only airport. St John's (YYT) is located 4.2 mi from the center of St. John's. There are 0 flights from Washington, D.C. Dulles Intl to St John's per day from 2 different airlines.

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

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

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

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

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

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

$170+ Flights from Washington, D.C. Dulles Intl Airport to St. John's

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

Round-trip from	$391 (Gotogate)
One-way from	$170 (Kiwi.com)
Popular in	January
Cheapest in	October
Average price	$784

From Washington, D.C. Dulles Intl to St John's

Search Deals

One-way flight from Washington, D.C. Dulles Intl to St John's

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($158 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

Cheapest flights from Dulles Intl to St. John's
Explore the most affordable flight options available from Dulles Intl to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/254:10 pmIAD - YYT

2 stops6h 48mMultiple Airlines

Wed 9/32:55 pmYYT - IAD

2 stops7h 40mMultiple Airlines

Deal found 7/2

$391

Sun 8/2411:35 amIAD - YYT

2 stops11h 23mPorter Airlines

Sat 9/66:00 amYYT - IAD

1 stop10h 36mPorter Airlines

Deal found 7/1

$422

Mon 8/2510:20 amIAD - YYT

1 stop9h 56mAir Canada

Wed 9/32:00 pmYYT - IAD

1 stop8h 35mAir Canada

Deal found 7/2

$445

Tue 9/239:35 amIAD - YYT

1 stop6h 04mUnited Airlines

Sun 9/281:50 pmYYT - IAD

1 stop9h 05mUnited Airlines

Deal found 7/3

$593

Best flights from Dulles Intl to St. John's
Discover carefully curated flight deals from Dulles Intl to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/254:10 pmIAD - YYT

2 stops6h 48mMultiple Airlines

Wed 9/32:55 pmYYT - IAD

2 stops7h 40mMultiple Airlines

Deal found 7/2

$391

Sun 8/2411:35 amIAD - YYT

2 stops11h 23mPorter Airlines

Sat 9/66:00 amYYT - IAD

1 stop10h 36mPorter Airlines

Deal found 7/1

$422

Mon 8/2510:20 amIAD - YYT

1 stop9h 56mAir Canada

Wed 9/32:00 pmYYT - IAD

1 stop8h 35mAir Canada

Deal found 7/2

$445

Tue 9/239:35 amIAD - YYT

1 stop6h 04mUnited Airlines

Sun 9/288:45 amYYT - IAD

1 stop6h 23mUnited Airlines

Deal found 7/2

$593

Last-minute flights from Dulles Intl to St. John's
Discover last-minute flight deals from Dulles Intl to St. John's. Data last updated July 3, 2025 and is based on user searches.

Wed 7/99:35 amIAD - YYT

1 stop6h 07mAir Canada

Tue 7/152:55 pmYYT - IAD

2 stops7h 36mAir Canada

Deal found 7/1

$510

Wed 7/99:35 amIAD - YYT

1 stop6h 07mUnited Airlines

Mon 7/145:50 amYYT - IAD

1 stop6h 54mUnited Airlines

Deal found 7/1

$630

Thu 7/106:00 amIAD - YYT

2 stops15h 25mWestJet

Mon 7/147:40 pmYYT - IAD

2 stops17h 40mWestJet

Deal found 7/1

$1,281

Fri 7/114:10 pmIAD - YYT

2 stops6h 48mMultiple Airlines

Sat 7/126:00 amYYT - IAD

1 stop10h 26mMultiple Airlines

Deal found 7/1

$535

Fri 7/114:10 pmIAD - YYT

2 stops6h 48mPorter Airlines

Tue 7/156:00 amYYT - IAD

1 stop10h 26mPorter Airlines

Deal found 7/1

$553

Sun 8/2411:35 amIAD - YYT

2 stops11h 23mPorter Airlines

Sat 9/66:00 amYYT - IAD

1 stop10h 36mPorter Airlines

Deal found 7/1

$422

Mon 8/254:10 pmIAD - YYT

2 stops6h 48mMultiple Airlines

Wed 9/32:55 pmYYT - IAD

2 stops7h 40mMultiple Airlines

Deal found 7/2

$391

Mon 8/2510:20 amIAD - YYT

1 stop9h 56mAir Canada

Wed 9/32:00 pmYYT - IAD

1 stop8h 35mAir Canada

Deal found 7/2

$445

One-way flights from Dulles Intl to St. John's
Search for one-way flight options from Dulles Intl to St. John's. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 7/2811:35 amIAD - YYT

3 stops27h 55mPorter Airlines

Deal found 7/2

$170

Fri 8/159:35 amIAD - YYT

1 stop6h 07mAir Canada

Deal found 7/1

$228

Fri 8/156:10 amIAD - YYT

3 stops22h 23mMultiple Airlines

Deal found 7/1

$310

Cheapflights Fare Finder

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

Mon 8/25

4:10 pm-12:28 am

2 stops6h 48m

St John's

Wed 9/3

2:55 pm-9:05 pm

2 stops7h 40m

$391

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Sun 8/24

11:35 am-12:28 am

2 stops11h 23m

St John's

Sat 9/6

6:00 am-3:06 pm

1 stop10h 36m

$422

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 8/25

10:20 am-9:46 pm

1 stop9h 56m

St John's

Wed 9/3

2:00 pm-9:05 pm

1 stop8h 35m

$445

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 9/23

9:35 am-5:09 pm

1 stop6h 04m

St John's

Sun 9/28

1:50 pm-9:25 pm

1 stop9h 05m

$593

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Mon 7/28

11:35 am-5:00 pm

3 stops27h 55m

$170

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/15

9:35 am-5:12 pm

1 stop6h 07m

$228

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 8/15

6:10 am-6:03 am

3 stops22h 23m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Dulles Intl to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from Dulles Intl 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 St. John's

See what other customers who have flown with Porter Airlines, United Airlines, and Air Canada from Washington, D.C. Dulles Intl Airport to St. John's have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

298 reviews

Reviews

1 / 20

4.0

Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Porter Airlines

8.0

Very good

298 reviews

Porter Airlines

8.0

Very good

298 reviews

Reviews

1 / 20

4.0

Okay

Mary,Jun 2025

FLL - YYZ

United Airlines

7.4

Good

8,845 reviews

Porter Airlines

8.0

Very good

298 reviews

Reviews

1 / 20

4.0

Okay

Mary,Jun 2025

FLL - YYZ

Air Canada

7.1

Good

9,678 reviews

Porter Airlines

8.0

Very good

298 reviews

Reviews

1 / 20

4.0

Okay

Mary,Jun 2025

FLL - YYZ

Related info for your journey

What airport do you fly into for flights to St. John's from Washington, D.C. Dulles Intl?
If you book a flight to St. John's from Washington, D.C. Dulles Intl, you will be flying to St John's, which is the city’s only airport. St John's (YYT) is located 4.2 mi from the center of St. John's. There are 0 flights from Washington, D.C. Dulles Intl to St John's per day from 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to St. John's round-trip?
Porter Airlines, at $422, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to St. John's.Alternate airlines to your destination round-trip include Air Canada and United Airlines.
Can I find deals for flights from Dulles Intl to St. John's that include hotel bookings?
Yes. In addition to deals on Dulles Intl to St. John's flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to St. John's?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to St. John's.
Can I find deals for business class flights from Dulles Intl to St. John's?
Yes. Cheapflights offers flight deals from Dulles Intl to St. John's 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 Washington, D.C. Dulles Intl Airport to St. John's?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. John's (average of $464). Flying from Washington, D.C. Dulles Intl Airport to St. John's in December is currently the most expensive (average of $641). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Dulles Intl to St. John's

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$258	Average$733	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$473	Average$648	FlexibilityNo cancel fee	On-time67%

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$170+ Cheap flights from Dulles Intl (IAD) to St. John's (YYT)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to St. John's with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Dulles Intl to St. John'sExplore the most affordable flight options available from Dulles Intl to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Dulles Intl to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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.

Best time to book a flight from Dulles Intl to St. John's

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

Reviews of airlines servicing St. John's

See what other customers who have flown with Porter Airlines, United Airlines, and Air Canada from Washington, D.C. Dulles Intl Airport to St. John's have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to St. John's. 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 into for flights to St. John's from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to St. John's round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to St. John's

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Dulles Intl to St. John's

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Cheapest flights from Dulles Intl to St. John's
Explore the most affordable flight options available from Dulles Intl to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.