HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$269+ Cheap flights from Blountville (TRI) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — IAD
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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

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 July 28, 2025.

Round-trip from

$269
(Delta)
From Blountville Tri Cities TN/VA to Washington, D.C. Dulles Intl
Search Deals

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 July 28, 2025.

This Delta deal was found by Cheapflights users on 7/27. 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.
Sat 9/610:57 amTRI - IAD
1 stop3h 34mDelta
Tue 9/96:00 amIAD - TRI
1 stop4h 10mDelta
Deal found 7/27$269
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/27:48 pmTRI - IAD
1 stop4h 10mAmerican Airlines
Sun 8/38:06 pmIAD - TRI
1 stop3h 52mAmerican Airlines
Deal found 7/26$329

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 July 28, 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

Sat 9/6

10:57 am-2:31 pm

1 stop3h 34m

Washington, D.C. Dulles Intl

Tue 9/9

6:00 am-10:10 am

1 stop4h 10m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $309). 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 July 28, 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.

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 July 28, 2025.
Read through reviews of airlines operating flights from Blountville to Washington, D.C. Dulles Intl Airport, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $309). 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
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk

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.