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Kingsport

$39+ Cheap flights from Dulles Intl (IAD) to Kingsport, TN

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TYS
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Kingsport

Keep the following information in mind while searching for Dulles Intl to Kingsport flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$39
(Breeze Airways)

Popular in

October

Cheapest in

December

Average price

$146
Provider with most accurate pricing for Washington, D.C. (WAS)-Blountville Tri Cities TN/VA flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Blountville Tri Cities TN/VA flights.
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From Washington, D.C. Dulles Intl to Kingsport
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One-way flight from Washington, D.C. Dulles Intl to Kingsport
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Highest demand for flights based on searches. 22% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Dulles Intl to Kingsport

Cheapest flights from Dulles Intl to Kingsport
Explore the most affordable flight options available from Dulles Intl to Kingsport. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/62:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 2/912:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/12$77
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:52 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 6/1512:47 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/10$122
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/192:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Fri 1/2312:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/10$178
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/162:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 1/1912:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/10$238
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:58 pm
IAD
-
TRI
Nonstop1h 30m
Multiple Airlines
Thu 3/52:34 pm
TRI
-
IAD
2 stops24h 39m
Multiple Airlines
Deal found 1/10$240
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 5/222:52 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 5/2512:47 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/11$248
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:44 am
IAD
-
TRI
2 stops24h 29m
Multiple Airlines
Mon 2/1612:53 pm
TRI
-
IAD
Nonstop1h 25m
Multiple Airlines
Deal found 1/10$260
This Delta deal was found by Cheapflights users on 1/10. 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.
Fri 2/67:15 am
IAD
-
TRI
1 stop7h 04m
Delta
Mon 2/97:00 pm
TRI
-
IAD
1 stop5h 24m
Delta
Deal found 1/10$269
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 2/62:58 pm
IAD
-
TRI
Nonstop1h 30m
Multiple Airlines
Mon 2/95:08 pm
TRI
-
IAD
2 stops31h 02m
Multiple Airlines
Deal found 1/12$307

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Kingsport 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 January 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kingsport that are best for you.

Fly from

Dulles Intl

Fly to

Kingsport

Route

Depart

Return

Price

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 2/6

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 2/9

12:53 pm-2:18 pm

Nonstop1h 25m

$78

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 6/12

2:52 pm-4:22 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 6/15

12:47 pm-2:12 pm

Nonstop1h 25m

$122

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Mon 3/2

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Thu 3/5

2:34 pm-3:13 pm

2 stops24h 39m

$240

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 5/22

2:52 pm-4:22 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 5/25

12:47 pm-2:12 pm

Nonstop1h 25m

$248

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Thu 2/12

11:44 am-12:13 pm

2 stops24h 29m

Blountville Tri Cities TN/VA

Mon 2/16

12:53 pm-2:18 pm

Nonstop1h 25m

$260

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 2/6

1:08 pm-6:49 pm

1 stop5h 41m

Blountville Tri Cities TN/VA

Mon 2/9

6:10 am-10:58 am

1 stop4h 48m

$269

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 2/6

7:15 am-2:19 pm

1 stop7h 04m

Blountville Tri Cities TN/VA

Mon 2/9

7:00 pm-12:24 am

1 stop5h 24m

$269

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 3/13

2:58 pm-4:28 pm

Nonstop1h 30m

$39

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Thu 3/12

8:15 am-12:13 pm

1 stop27h 58m

$122

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Thu 3/12

9:04 am-5:40 pm

2 stops32h 36m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 15 results
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Best time to book a flight from Dulles Intl to Kingsport

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kingsport (average of $46). Flying from Washington, D.C. Dulles Intl Airport to Kingsport in March is currently the most expensive (average of $130). 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 IAD to K1N?

Find hourly flight availability from Dulles Intl to Kingsport. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 12, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Kingsport in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Kingsport. Price data was last updated on January 10, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Kingsport flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Dulles Intl to Kingsport. 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 January 12, 2026.

The most flights from IAD to K1N are scheduled on a Sunday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

Related info for your journey

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Kingsport can take about 1h 30m. Breeze Airways provides one of the quickest options available for as low as $78. The distance from Washington, D.C. Dulles Intl Airport to Kingsport is about 320 mi. Generally, flights for this route are nonstop.

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

    Consider Allegiant Air (84%), Copa Airlines (75%) or Avianca (74%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Kingsport.

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Kingsport? While on average our users pay $211, our data indicates the cheapest price to be $46. The most popular route (Washington, D.C. Dulles Intl - Blountville Tri Cities TN/VA), is priced around $78.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kingsport (average of $46). Flying from Washington, D.C. Dulles Intl Airport to Kingsport in March is currently the most expensive (average of $130). 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

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Top 4 airlines flying from Dulles Intl to Kingsport

Discover the top 4 airlines that operate flights from Dulles Intl to Kingsport. 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$51Average$91FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$201Average$371FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$302FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$346Average$500FlexibilityNo cancel feeOn-time71%

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