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Dulles Intl

$38+ Cheap flights from Pigeon Forge, TN to Dulles Intl (IAD)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAD
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheapflights Tip: The best prices from Pigeon Forge to Washington, D.C. Dulles Intl are usually found in February or December, booked 23 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Pigeon Forge to Dulles Intl

Cheapest flights from Pigeon Forge to Dulles Intl
Explore the most affordable flight options available from Pigeon Forge to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:53 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/89:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/17$74
This Booking.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:20 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/89:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/16$83
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Fri 6/53:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 2/17$85
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 4/262:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/16$96
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Mon 6/13:08 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Deal found 2/17$99
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:12 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/223:42 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/16$102
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/223:42 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/16$106
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:56 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 2/228:30 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/14$111
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Fri 6/53:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 2/17$112
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Mon 6/13:08 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Deal found 2/17$126
This Kiwi.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:12 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/294:09 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/16$127

Find flight deals from Pigeon Forge to Dulles Intl

Keep the following information in mind while searching for Pigeon Forge to Dulles Intl flight deals. Data was last updated February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$74
(Kiwi.com)

One-way from

$38
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$217
Provider with most accurate pricing for Knoxville McGhee Tyson-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Washington, D.C. (WAS) flights.
Search Deals
From Pigeon Forge to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Pigeon Forge to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pigeon Forge 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 2,558,603 searches. Data last updated February 17, 2026.
Use the filters below to find and compare flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Pigeon Forge

Fly to

Dulles Intl

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 4/29

7:20 pm-9:05 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 5/2

12:45 pm-2:34 pm

Nonstop1h 49m

$173

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 5/14

11:27 am-1:11 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 5/18

8:09 am-10:24 pm

1 stop14h 15m

$181

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 4/11

7:20 pm-9:05 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 4/12

9:00 am-10:50 am

Nonstop1h 50m

$186

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 6/4

5:45 am-7:30 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 6/7

10:10 pm-11:54 pm

Nonstop1h 44m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 3/16

7:25 pm-9:11 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Mon 3/23

9:00 am-10:49 am

Nonstop1h 49m

$194

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 3/13

5:40 am-9:10 am

1 stop3h 30m

Washington, D.C. Dulles Intl

Tue 3/24

6:01 am-11:17 am

1 stop5h 16m

$206

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sun 3/8

7:20 am-9:04 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-9:27 pm

2 stops39h 07m

$219

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 3/25

5:40 am-11:52 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Wed 4/22

12:37 pm-5:08 pm

1 stop4h 31m

$231

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 4/3

7:20 pm-9:05 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Mon 4/13

1:20 pm-3:09 pm

Nonstop1h 49m

$231

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 4/8

2:25 pm-4:10 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 4/11

1:20 pm-3:09 pm

Nonstop1h 49m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 22 results
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Best time to book a flight from Pigeon Forge to Dulles Intl

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

How far ahead should I book a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pigeon Forge to Dulles Intl. Price data was last updated on February 13, 2026.

The best time to book flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport (average of $44). Flying from Pigeon Forge to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $153). 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 time of day to fly from PG9 to IAD?

Find hourly flight availability from Pigeon Forge to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 17, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 88% on flights from Pigeon Forge to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

Weekly flight availability from Pigeon Forge to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Pigeon Forge to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 17, 2026.

The most flights from PG9 to IAD are scheduled on a Monday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

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 February 17, 2026.
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
7.4
Good
9,311 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

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
7.4
Good
9,311 reviews
United Airlines
7.4
Good
9,311 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

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
7.2
Good
711 reviews
United Airlines
7.4
Good
9,311 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

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

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

  • How long is the flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

    A quick flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport can take about 1h 45m. United Airlines provides one of the quickest options available for as low as $173. The distance from Pigeon Forge to Washington, D.C. Dulles Intl Airport is about 419 mi. Generally, flights for this route are nonstop.

  • 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: Allegiant Air (94%), Lufthansa (87%), Copa Airlines (83%).

  • 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 $785, our data shows the cheapest flight currently is $46. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $83 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.

  • What is the cheapest month to book a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Pigeon Forge to Washington, D.C. Dulles Intl Airport (average of $44). Flying from Pigeon Forge to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $153). 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

Traveling 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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Pigeon Forge to Dulles Intl

Discover the top 4 airlines that operate flights from Pigeon Forge to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$43Average$90FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$194Average$326FlexibilityNo cancel feeOn-time69%
DeltaCheapest$247Average$467FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$382Average$588FlexibilityNo cancel feeOn-time71%

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