What is the cheapest month to book a flight from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Newfoundland and Labrador 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.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Newfoundland and Labrador to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Newfoundland and Labrador to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Newfoundland and Labrador to Dulles Intl?

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

Can I find deals for business class flights from Newfoundland and Labrador to Dulles Intl?

Yes. Cheapflights offers flight deals from Newfoundland and Labrador 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.

C$ 349+ Flights from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport

Find flight deals from Newfoundland and Labrador to Dulles Intl

One-way flights from Newfoundland and Labrador to Dulles Intl
Search for one-way flight options from Newfoundland and Labrador 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

Use the filters below to find and compare flights from Newfoundland and Labrador 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

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 Newfoundland and Labrador to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Newfoundland and Labrador 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 Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Porter Airlines and Air Canada from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

318 reviews

Check prices

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

Porter Airlines

8.0

Very good

318 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Canada

7.1

Good

9,837 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

Can I find deals for flights from Newfoundland and Labrador to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Newfoundland and Labrador to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Newfoundland and Labrador to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newfoundland and Labrador to Dulles Intl.
Can I find deals for business class flights from Newfoundland and Labrador to Dulles Intl?
Yes. Cheapflights offers flight deals from Newfoundland and Labrador 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 Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Newfoundland and Labrador 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

Herndon

Warrenton

Hanover

Reston

Fairfax

Ellicott City

Oxon Hill

Gaithersburg

Winchester

Arlington

Alexandria

Manassas

Fredericksburg

Rockville

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Top airline flying from Newfoundland and Labrador to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 785	AverageC$ 917	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Newfoundland and Labrador today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Newfoundland and Labrador to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Newfoundland and Labrador to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Newfoundland and Labrador to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Newfoundland and Labrador? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Newfoundland and Labrador to Dulles Intl become cheaper?

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Cheap flights from Newfoundland and Labrador 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.

Find flight deals from Newfoundland and Labrador to Dulles Intl

One-way flights from Newfoundland and Labrador to Dulles IntlSearch for one-way flight options from Newfoundland and Labrador to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Search for one-way flight options from Newfoundland and Labrador to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Newfoundland and Labrador to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Newfoundland and Labrador with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

Related info for your journey

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

Can I find deals for flights from Newfoundland and Labrador to Dulles Intl that include hotel bookings?

How can I find direct flights from Newfoundland and Labrador to Dulles Intl?

Can I find deals for business class flights from Newfoundland and Labrador to Dulles Intl?

What is the cheapest month to book a flight from Newfoundland and Labrador to Washington, D.C. Dulles Intl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Newfoundland and Labrador to Dulles Intl

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

Top airline flying from Newfoundland and Labrador to Dulles Intl

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Newfoundland and Labrador to Dulles Intl?

Why should you use Cheapflights to find cheap flight tickets from Newfoundland and Labrador to Dulles Intl?

Can Cheapflights find flights from Newfoundland and Labrador to Dulles Intl with no change fees?

Can Cheapflights notify me if prices for flights from Newfoundland and Labrador to Dulles Intl become cheaper?

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One-way flights from Newfoundland and Labrador to Dulles Intl
Search for one-way flight options from Newfoundland and Labrador to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.