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Dulles Intl

$185+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$185
(Kiwi.com)
From Blountville Tri Cities TN/VA to Washington, D.C. Dulles Intl
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One-way flight from Blountville Tri Cities TN/VA to Washington, D.C. Dulles Intl
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 11/196:08 amTRI - IAD
1 stop4h 11mAmerican Airlines
Sat 11/226:44 amIAD - TRI
1 stop5h 30mAmerican Airlines
Deal found 9/10$269
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/255:05 amTRI - IAD
1 stop6h 29mAmerican Airlines
Mon 9/292:21 pmIAD - TRI
1 stop4h 16mAmerican Airlines
Deal found 9/10$279
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:17 pmTRI - IAD
1 stop4h 55mDelta
Mon 10/276:00 amIAD - TRI
1 stop6h 43mDelta
Deal found 9/9$327
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:17 pmTRI - IAD
1 stop4h 56mDelta
Sun 9/216:00 amIAD - TRI
1 stop3h 44mDelta
Deal found 9/11$329
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:56 amTRI - IAD
1 stop3h 37mDelta
Mon 9/156:00 amIAD - TRI
1 stop3h 44mDelta
Deal found 9/9$439
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 10/267:18 pmTRI - IAD
1 stop4h 54mDelta
Wed 10/297:05 amIAD - TRI
1 stop5h 38mDelta
Deal found 9/10$497
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/228:25 pmTRI - IAD
1 stop3h 34mAmerican Airlines
Sun 11/304:34 pmIAD - TRI
1 stop5h 19mAmerican Airlines
Deal found 9/10$508
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:17 pmTRI - IAD
1 stop4h 55mDelta
Fri 10/106:00 amIAD - TRI
1 stop6h 43mDelta
Deal found 9/11$663
This Delta deal was found by Cheapflights users on 9/10. 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 9/157:17 pmTRI - IAD
1 stop4h 56mDelta
Wed 9/176:00 amIAD - TRI
1 stop3h 44mDelta
Deal found 9/10$737

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 September 11, 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

Thu 11/20

8:25 pm-11:59 pm

1 stop3h 34m

Washington, D.C. Dulles Intl

Sun 11/23

8:09 pm-11:53 pm

1 stop3h 44m

$269

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Fri 10/24

7:17 pm-12:12 am

1 stop4h 55m

Washington, D.C. Dulles Intl

Mon 10/27

6:00 am-12:43 pm

1 stop6h 43m

$269

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Sat 10/11

4:14 pm-7:45 pm

1 stop3h 31m

Washington, D.C. Dulles Intl

Sat 10/18

8:25 pm-11:59 pm

1 stop3h 34m

$269

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Wed 11/19

6:08 am-10:19 am

1 stop4h 11m

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-12:14 pm

1 stop5h 30m

$269

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Fri 9/26

3:35 pm-9:39 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Tue 9/30

6:00 am-12:37 pm

1 stop6h 37m

$279

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 9/25

5:05 am-11:34 am

1 stop6h 29m

Washington, D.C. Dulles Intl

Mon 9/29

2:21 pm-6:37 pm

1 stop4h 16m

$279

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 3/5

10:15 am-2:51 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sun 3/8

6:00 am-12:07 pm

1 stop6h 07m

$304

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 3/5

8:29 pm-11:54 pm

1 stop3h 25m

Washington, D.C. Dulles Intl

Sun 3/8

5:43 pm-9:30 pm

1 stop3h 47m

$367

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Thu 10/2

11:44 am-12:55 pm

2 stops25h 11m

$185

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Tue 10/21

7:17 pm-11:18 pm

1 stop4h 01m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
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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 $292). Flying from Blountville to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 2025.

When flying from Blountville to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    American Airlines can get you from Blountville to Washington, D.C. Dulles Intl Airport in just under 3h 34m. Your travel time can differ by up to . There are 320 mi between Blountville and Washington, D.C. Dulles Intl Airport.

  • 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 $292). Flying from Blountville to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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