HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$39+ Cheap flights from Blountville (TRI) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Blountville to Dulles Intl 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 Blountville to Dulles Intl

Cheapest flights from Blountville to Dulles Intl
Explore the most affordable flight options available from Blountville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/192:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Mon 12/223:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Deal found 12/11$228
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/196:00 pmTRI - IAD
1 stop27h 30mMultiple Airlines
Mon 12/223:50 pmIAD - TRI
Nonstop1h 15mMultiple Airlines
Deal found 12/11$282
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:10 amTRI - IAD
1 stop3h 32mAmerican Airlines
Thu 12/256:35 amIAD - TRI
1 stop3h 38mAmerican Airlines
Deal found 12/10$299
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:00 amTRI - IAD
1 stop6h 01mAmerican Airlines
Mon 12/296:35 amIAD - TRI
1 stop3h 38mAmerican Airlines
Deal found 12/10$329
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:56 amTRI - IAD
1 stop5h 31mAmerican Airlines
Sat 12/276:35 amIAD - TRI
1 stop3h 38mAmerican Airlines
Deal found 12/10$516
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:26 pmTRI - IAD
1 stop3h 38mAmerican Airlines
Sun 12/214:29 pmIAD - TRI
1 stop5h 29mAmerican Airlines
Deal found 12/10$537
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/152:00 pmTRI - IAD
Nonstop1h 10mMultiple Airlines
Wed 12/1710:20 pmIAD - TRI
3 stops38h 45mMultiple Airlines
Deal found 12/11$561
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/222:00 pmTRI - IAD
Nonstop1h 10mMultiple Airlines
Sat 12/275:15 amIAD - TRI
3 stops55h 55mMultiple Airlines
Deal found 12/9$571
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:05 amTRI - IAD
1 stop5h 30mDelta
Wed 12/175:59 pmIAD - TRI
1 stop4h 35mDelta
Deal found 12/10$777
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:05 amTRI - IAD
1 stop3h 29mAmerican Airlines
Wed 12/175:29 pmIAD - TRI
1 stop5h 58mAmerican Airlines
Deal found 12/11$788

Find flight deals from Blountville to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Blountville (TRI) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$39
(Kiwi.com)

Popular in

February

Cheapest in

December

Average price

$86
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Washington, D.C. Dulles Intl flights.
Search Deals
From Blountville Tri Cities TN/VA to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Blountville Tri Cities TN/VA to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville 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 December 12, 2025.
Use the filters below to find and compare flights from Blountville to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Blountville

Fly to

Dulles Intl

Route

Depart

Return

Price

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 1/5

2:00 pm-3:10 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Mon 1/12

2:58 pm-4:28 pm

Nonstop1h 30m

$78

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 1/15

10:02 pm-7:58 pm

1 stop21h 56m

Washington, D.C. Dulles Intl

Mon 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$131

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 1/12

5:08 pm-11:43 am

2 stops18h 35m

Washington, D.C. Dulles Intl

Mon 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$151

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Fri 1/16

5:08 pm-11:07 am

2 stops17h 59m

Washington, D.C. Dulles Intl

Mon 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$185

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Wed 1/14

5:06 pm-8:37 pm

1 stop3h 31m

Washington, D.C. Dulles Intl

Wed 1/21

12:40 pm-6:20 pm

1 stop5h 40m

$201

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Tue 1/13

5:06 pm-11:37 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Wed 1/21

10:08 am-2:31 pm

1 stop4h 23m

$201

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Wed 1/14

1:45 pm-5:17 pm

1 stop3h 32m

Washington, D.C. Dulles Intl

Tue 1/20

6:00 am-12:26 pm

1 stop6h 26m

$201

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Tue 1/13

5:06 pm-11:37 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Tue 1/20

12:40 pm-6:20 pm

1 stop5h 40m

$201

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Wed 1/7

10:16 am-1:59 pm

1 stop3h 43m

Washington, D.C. Dulles Intl

Wed 1/14

9:00 am-1:02 pm

1 stop4h 02m

$211

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 1/15

1:45 pm-8:37 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Tue 1/20

6:00 am-12:26 pm

1 stop6h 26m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 13 results
1
2

Compare providers for flights from Blountville to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Blountville to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

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

Currently, August is the cheapest month in which you can book a flight from Blountville to Washington, D.C. Dulles Intl Airport (average of $76). Flying from Blountville to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $340). 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 TRI to IAD?

Find hourly flight availability from Blountville 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Blountville to Washington, D.C. Dulles Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 84% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Blountville to Dulles Intl. 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 from for flights from Blountville to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Blountville, you will be flying from Tri Cities TN/VA, which is the city’s only airport. Blountville Tri Cities TN/VA (TRI) is located 5.7 mi from the center of Blountville. There are 0 flights from Tri Cities TN/VA to Washington, D.C. Dulles Intl per day from 0 different airlines.

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

    Breeze Airways can get you from Blountville to Washington, D.C. Dulles Intl Airport in just under 1h 10m. Your travel time will be generally consistent. There are 320 mi between Blountville and Washington, D.C. Dulles Intl Airport. Most flights are nonstop.

  • Can I find deals for flights from Blountville to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Blountville to Dulles Intl?

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

  • Can I find deals for business class flights from Blountville to Dulles Intl?

    Yes. Cheapflights offers flight deals from Blountville 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 Blountville to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Blountville to Washington, D.C. Dulles Intl Airport (average of $76). Flying from Blountville to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $340). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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.

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.