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

Porter Airlines, at $501, 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 July is currently the most expensive (average of $671). 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.

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.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-St. John's flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-St. John's flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$186+ Flights from Washington, D.C. Dulles Intl Airport to St. John's - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 2 stars
Round-trip from	$416 (Kiwi.com)
One-way from	$186 (Kiwi.com)
Popular in	January
Cheapest in	October
Average price	$609

Provider with most accurate pricing for Washington, D.C. Dulles Intl-St John's flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-St John's flights.

Search Deals

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. 18% potential increase in price ($173 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 28, 2025.

Fri 5/165:26 pmIAD - YYT

2 stops29h 32mMultiple Airlines

Fri 5/236:00 amYYT - IAD

1 stop10h 36mMultiple Airlines

Deal found 4/28

$416

Fri 6/134:20 pmIAD - YYT

3 stops23h 10mPorter Airlines

Sun 6/223:00 pmYYT - IAD

3 stops20h 46mPorter Airlines

Deal found 4/27

$501

Fri 6/69:45 amIAD - YYT

1 stop5h 57mAir Canada

Sun 6/155:45 amYYT - IAD

2 stops10h 04mAir Canada

Deal found 4/28

$588

Wed 7/308:25 amIAD - YYT

2 stops14h 38mUnited Airlines

Fri 8/82:00 pmYYT - IAD

2 stops18h 57mUnited Airlines

Deal found 4/28

$723

Fri 9/196:45 pmIAD - YYT

1 stop34h 05mWestJet

Tue 9/233:00 pmYYT - IAD

2 stops22h 20mWestJet

Deal found 4/28

$817

Thu 6/121:05 amIAD - YYT

3 stops22h 54mAvianca

Sun 6/225:35 pmYYT - IAD

2 stops21h 55mAvianca

Deal found 4/27

$3,131

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 April 28, 2025.

Fri 5/165:26 pmIAD - YYT

2 stops29h 32mMultiple Airlines

Fri 5/236:00 amYYT - IAD

1 stop10h 36mMultiple Airlines

Deal found 4/28

$416

Fri 6/134:20 pmIAD - YYT

3 stops23h 10mPorter Airlines

Sun 6/223:00 pmYYT - IAD

3 stops20h 46mPorter Airlines

Deal found 4/27

$501

Fri 6/69:45 amIAD - YYT

1 stop5h 57mAir Canada

Sun 6/155:45 amYYT - IAD

2 stops10h 04mAir Canada

Deal found 4/28

$588

Sat 7/1210:15 pmIAD - YYT

2 stops24h 48mUnited Airlines

Sat 7/195:50 amYYT - IAD

2 stops16h 42mUnited Airlines

Deal found 4/28

$742

Thu 6/510:09 amIAD - YYT

2 stops11h 16mWestJet

Mon 6/233:00 pmYYT - IAD

2 stops22h 29mWestJet

Deal found 4/27

$1,261

Thu 6/121:05 amIAD - YYT

3 stops22h 54mAvianca

Sun 6/225:35 pmYYT - IAD

2 stops21h 55mAvianca

Deal found 4/27

$3,131

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 April 28, 2025 and is based on user searches.

Mon 5/53:27 pmIAD - YYT

1 stop8h 27mAir Canada

Mon 5/125:45 amYYT - IAD

1 stop6h 59mAir Canada

Deal found 4/28

$846

Thu 5/84:20 pmIAD - YYT

1 stop29h 05mMultiple Airlines

Sun 5/113:00 pmYYT - IAD

1 stop20h 46mMultiple Airlines

Deal found 4/28

$700

Thu 5/811:35 amIAD - YYT

2 stops10h 23mPorter Airlines

Sun 5/111:10 pmYYT - IAD

2 stops22h 36mPorter Airlines

Deal found 4/28

$758

Fri 5/165:26 pmIAD - YYT

2 stops29h 32mMultiple Airlines

Fri 5/236:00 amYYT - IAD

1 stop10h 36mMultiple Airlines

Deal found 4/28

$416

Fri 5/169:45 amIAD - YYT

1 stop5h 57mAir Canada

Fri 5/232:00 pmYYT - IAD

1 stop8h 38mAir Canada

Deal found 4/28

$670

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 April 28, 2025.

Wed 5/284:20 pmIAD - YYT

3 stops27h 56mPorter Airlines

Deal found 4/28

$186

Tue 5/272:05 pmIAD - YYT

2 stops20h 39mMultiple Airlines

Deal found 4/28

$276

Tue 5/273:30 pmIAD - YYT

1 stop8h 24mAir Canada

Deal found 4/28

$299

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

Fri 5/16

5:26 pm-12:28 am

2 stops29h 32m

St John's

Fri 5/23

6:00 am-3:06 pm

1 stop10h 36m

$416

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 6/13

4:20 pm-5:00 pm

3 stops23h 10m

St John's

Sun 6/22

3:00 pm-10:16 am

3 stops20h 46m

$501

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 6/6

9:45 am-5:12 pm

1 stop5h 57m

St John's

Sun 6/15

5:45 am-2:19 pm

2 stops10h 04m

$588

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 7/30

8:25 am-12:33 am

2 stops14h 38m

St John's

Fri 8/8

2:00 pm-7:27 am

2 stops18h 57m

$723

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Fri 9/19

6:45 pm-6:20 am

1 stop34h 05m

St John's

Tue 9/23

3:00 pm-11:50 am

2 stops22h 20m

$817

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Thu 6/12

1:05 am-1:29 am

3 stops22h 54m

St John's

Sun 6/22

5:35 pm-2:00 pm

2 stops21h 55m

$3,131

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Wed 5/28

4:20 pm-9:46 pm

3 stops27h 56m

$186

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 5/27

2:05 pm-12:14 pm

2 stops20h 39m

$276

Washington, D.C.St. John's

IAD - YYT

IADYYT

Washington, D.C. Dulles Intl

Tue 5/27

3:30 pm-1:24 am

1 stop8h 24m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-St. John's flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-St. John's flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-St. John's flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-St. John's flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to St. John's

Rainfall in St. John's by month

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.

Temperature in St. John's by month

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).

Reviews of airlines servicing St. John's

See what other customers who have flown with Porter Airlines, United Airlines and WestJet from Washington, D.C. to St. John's have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Porter Airlines

8.0

Very good

285 reviews

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

United Airlines

7.4

Good

8,696 reviews

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

WestJet

7.2

Good

2,823 reviews

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Air Canada

7.0

Good

9,228 reviews

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Avianca

6.7

Okay

2,317 reviews

Porter Airlines

8.0

Very good

285 reviews

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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 $501, 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 July is currently the most expensive (average of $671). 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

Alternative routes for Dulles Intl to St. John's

Reagan-National to St. John's flights

Baltimore to St. John's flights

Dulles Intl to Deer Lake flights

Reagan-National to Deer Lake flights

Baltimore to Deer Lake flights

Other flights to St. John's

Orlando to St. John's flights

St. John's to Toronto Pearson Intl Airport flights

St. John's to Halifax flights

St. John's to Montreal Pierre Elliott Trudeau Intl Airport flights

St. John's to Toronto Pearson Intl Airport flights

St. John's to Ottawa flights

St. John's to Montreal Pierre Elliott Trudeau Intl Airport flights

St. John's to Calgary flights

St. John's to Montreal Pierre Elliott Trudeau Intl Airport flights

St. John's to Edmonton flights

St. John's to Calgary flights

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$678	FlexibilityNo cancel fee	On-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$186+ 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 5/28. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

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 April 28, 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 April 28, 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to St. John's

Rainfall in St. John's by month

Plan your trip to St. John's by taking into account the average rainfall totals by month.

Temperature in St. John's by month

Plan your trip to St. John's by taking into account the average temperature totals by month.

Reviews of airlines servicing St. John's

See what other customers who have flown with Porter Airlines, United Airlines and WestJet from Washington, D.C. to St. John's have to say. Reviews also offer insight into each airline's 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

100% Free

Book with Flexibility

Travel Smart

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 April 28, 2025.