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$51+ Cheap flights from Dulles Intl (IAD) to Tennessee

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BNA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Tennessee

Keep the following information in mind while searching for Dulles Intl to Tennessee flight deals. Data was last updated September 16, 2025.

Round-trip from

$86
(FlightHub)

One-way from

$51
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$293

Good round-trip deal

$140 or less

Good one-way deal

$97 or less
From Washington, D.C. Dulles Intl to Tennessee
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One-way flight from Washington, D.C. Dulles Intl to Tennessee
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Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Tennessee.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Tennessee.
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Find flight deals from Dulles Intl to Tennessee

Cheapest flights from Dulles Intl to Tennessee
Explore the most affordable flight options available from Dulles Intl to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Sun 11/235:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$86
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/14$89
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/149:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$96
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:33 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 10/2711:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$101
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:00 pmIAD - BNA
Nonstop1h 53mUnited Airlines
Tue 10/218:25 amBNA - IAD
Nonstop1h 48mUnited Airlines
Deal found 9/15$115
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:00 pmIAD - BNA
Nonstop2h 02mUnited Airlines
Sun 12/148:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$127
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:25 amIAD - BNA
Nonstop2h 02mUnited Airlines
Mon 11/36:35 pmBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$131
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/139:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 10/207:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$135
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:25 amIAD - BNA
Nonstop2h 02mUnited Airlines
Sun 11/28:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$138
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 10/207:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$154
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Sat 9/277:14 pmIAD - BNA
1 stop23h 57mFrontier
Mon 9/2911:38 amBNA - IAD
1 stop5h 46mFrontier
Deal found 9/16$156
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/249:58 pmIAD - BNA
1 stop13h 48mMultiple Airlines
Fri 10/3110:44 amBNA - IAD
1 stop8h 07mMultiple Airlines
Deal found 9/15$170

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Tennessee 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 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tennessee that are best for you.

Fly from

Dulles Intl

Fly to

Tennessee

Route

Depart

Return

Price

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Tue 10/14

1:00 pm-1:53 pm

Nonstop1h 53m

Nashville Intl

Tue 10/21

8:25 am-11:13 am

Nonstop1h 48m

$115

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Thu 12/11

1:00 pm-2:02 pm

Nonstop2h 02m

Nashville Intl

Sun 12/14

8:30 am-11:15 am

Nonstop1h 45m

$127

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Thu 11/13

8:25 am-9:27 am

Nonstop2h 02m

Nashville Intl

Mon 11/17

8:30 am-11:15 am

Nonstop1h 45m

$185

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 10/28

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Fri 10/31

9:50 am-11:33 am

Nonstop1h 43m

$205

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Wed 1/14

12:45 pm-1:50 pm

Nonstop2h 05m

Nashville Intl

Sat 1/17

1:32 pm-4:20 pm

Nonstop1h 48m

$205

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 11/15

12:36 pm-7:00 pm

1 stop6h 24m

Knoxville McGhee Tyson

Mon 11/17

8:05 pm-12:18 am

1 stop4h 13m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 10/29

6:05 am-11:04 am

1 stop4h 59m

Knoxville McGhee Tyson

Sat 11/1

5:16 pm-11:20 pm

1 stop6h 04m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 10/25

6:05 am-11:04 am

1 stop4h 59m

Knoxville McGhee Tyson

Mon 10/27

8:10 pm-12:12 am

1 stop4h 02m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 10/4

5:25 pm-11:44 pm

1 stop6h 19m

Knoxville McGhee Tyson

Tue 10/7

2:55 pm-7:26 pm

1 stop4h 31m

$214

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Sat 11/1

1:00 pm-2:02 pm

Nonstop2h 02m

Nashville Intl

Wed 11/5

8:30 am-11:15 am

Nonstop1h 45m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Tennessee

Have a flexible travel schedule? Discover the best time to fly to Tennessee 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 Tennessee

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tennessee (average of $220). Flying from Washington, D.C. Dulles Intl Airport to Tennessee in June is currently the most expensive (average of $290). 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 TN?

Find hourly flight availability from Dulles Intl to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Tennessee, 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 Tennessee

Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Tennessee, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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!
Allegiant Air
7.2
Good
699 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

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 Dulles Intl to Tennessee. 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 Tennessee?

    United Airlines, Delta, and American Airlines can get you from Washington, D.C. Dulles Intl Airport to Tennessee in just under 1h 53m. Your travel time can differ by up to 4h 31m. The distance from Washington, D.C. Dulles Intl Airport to Tennessee is about 542 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Tennessee one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Tennessee are Allegiant Air ($85), United Airlines ($90), and Delta ($99).

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Tennessee?

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to Tennessee are Washington, D.C. Dulles Intl - Nashville Intl, Washington, D.C. Dulles Intl - Knoxville McGhee Tyson and Washington, D.C. Dulles Intl - Memphis.

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

    Before booking your flight to Tennessee from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Avianca (84%), Copa Airlines (82%), United Airlines( 81%).

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

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Washington, D.C. Dulles Intl - Nashville Intl) can be booked for $115 on average, our data indicates $234 when flying from Washington, D.C. Dulles Intl Airport to Tennessee.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Tennessee 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 Tennessee?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tennessee (average of $220). Flying from Washington, D.C. Dulles Intl Airport to Tennessee in June is currently the most expensive (average of $290). 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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Alternative routes for Dulles Intl to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Baltimore to Boston flights
Dulles Intl to Las Vegas flights
Reagan-National to Los Angeles flights
Dulles Intl to Orlando flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Los Angeles flights
Dulles Intl to Atlanta flights
Baltimore to O'Hare Intl flights
Dulles Intl to Boston flights
Reagan-National to Boston flights
Reagan-National to Las Vegas flights
Baltimore to Fort Lauderdale flights
Dulles Intl to O'Hare Intl flights
Reagan-National to Seattle flights
Baltimore to Las Vegas flights
Reagan-National to Miami flights
Baltimore to Orlando flights
Baltimore to San Francisco flights
Reagan-National to Orlando flights
Baltimore to Los Angeles flights
Reagan-National to San Francisco flights
Dulles Intl to Seattle flights
Reagan-National to Atlanta flights
Dulles Intl to Sky Harbor Intl flights
Baltimore to Midway flights
Baltimore to Atlanta flights
Dulles Intl to San Francisco flights
Baltimore to Miami flights
Reagan-National to Hobby flights
Dulles Intl to Tampa flights
Dulles Intl to Austin flights
Baltimore to Sky Harbor Intl flights
Baltimore to Denver flights
Dulles Intl to Detroit flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Midway flights
Dulles Intl to New Orleans flights
Baltimore to Seattle flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Sky Harbor Intl flights
Reagan-National to Detroit flights
Reagan-National to Minneapolis flights
Baltimore to Hobby flights
Reagan-National to San Diego flights
Dulles Intl to Minneapolis flights
Reagan-National to Denver flights

Top 4 airlines flying from Dulles Intl to Tennessee

Discover the top 4 airlines that operate flights from Dulles Intl to Tennessee. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$102FlexibilityNo cancel feeOn-time88%
DeltaCheapest$114Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$363FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$393FlexibilityNo cancel feeOn-time71%

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