In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

While on average a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport is generally $489, our data shows the cheapest flight currently is $41. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $63 for that flight.

What are the most reliable airlines from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pigeon Forge to Washington, D.C. Dulles Intl Airport on time: Ethiopian Air (98%), CommutAir (94%), Brussels Airlines (93%).

Can I find deals for flights from Pigeon Forge to Dulles Intl that include hotel bookings?

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

How can I find direct flights from Pigeon Forge to Dulles Intl?

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

Can I find deals for business class flights from Pigeon Forge to Dulles Intl?

Yes. Cheapflights offers flight deals from Pigeon Forge 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.

Find Cheap Flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport

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Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	May
Cheapest in	March
Average price	$267

Provider with most accurate pricing for Knoxville McGhee Tyson-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Washington, D.C. (WAS) flights.

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Highest demand for flights based on searches. 9% potential increase in price ($26 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from PG9 to IAD?

Unlike in the evening, when flights are generally more expensive, you can save up to 68% on flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Pigeon Forge to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport, such as United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,440 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.3

Good

10,440 reviews

United Airlines

7.3

Good

10,440 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Allegiant Air

7.3

Good

679 reviews

United Airlines

7.3

Good

10,440 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What are the most reliable airlines from Pigeon Forge to Washington, D.C. Dulles Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Pigeon Forge to Washington, D.C. Dulles Intl Airport on time: Ethiopian Air (98%), CommutAir (94%), Brussels Airlines (93%).
What are the cheapest flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport?
While on average a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport is generally $489, our data shows the cheapest flight currently is $41. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $63 for that flight.
Can I find deals for flights from Pigeon Forge to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Pigeon Forge to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pigeon Forge to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pigeon Forge to Dulles Intl.
Can I find deals for business class flights from Pigeon Forge to Dulles Intl?
Yes. Cheapflights offers flight deals from Pigeon Forge 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.

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Top 4 airlines flying from Pigeon Forge to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$46	Average$88	FlexibilityNo cancel fee	On-time88%
Breeze Airways	Cheapest$77	Average$98	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$189	Average$339	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$401	Average$588	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Pigeon Forge, TN to Dulles Intl (IAD)

Find cheap flights from Pigeon Forge to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Pigeon Forge to Dulles Intl

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Popular in

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Cheapflights Insights

What is the cheapest time of day to fly from PG9 to IAD?

Unlike in the evening, when flights are generally more expensive, you can save up to 68% on flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

What is the cheapest day to fly from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport, such as United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the most reliable airlines from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Pigeon Forge to Dulles Intl that include hotel bookings?

How can I find direct flights from Pigeon Forge to Dulles Intl?

Can I find deals for business class flights from Pigeon Forge to Dulles Intl?

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

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Alternative routes for Pigeon Forge to Dulles Intl

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Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.

Search flights from Pigeon Forge to Dulles Intl by cabin class

Find flights from Pigeon Forge to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Pigeon Forge and Dulles Intl flights

Browse other Pigeon Forge and Dulles Intl flight options. Last updated on October 26, 2026.

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