Dulles Intl

$46+ Cheap flights from Tennessee 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
Feb 4 — Feb 111
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Cheap flight deals from Tennessee to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Tennessee (USTN) 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$46
(Booking.com)

Popular in

December

Cheapest in

May

Average price

$258

Good round-trip deal

$569 or less

Good one-way deal

$275 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Nashville Intl-Washington, D.C. (WAS) flights.
From Tennessee to Washington, D.C. Dulles Intl
One-way flight from Tennessee to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 13% potential increase in price ($34 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from Tennessee to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Tennessee to Washington, D.C. Dulles Intl.

Find flight deals from Tennessee to Dulles Intl

Cheapest flights from Tennessee to Dulles Intl
Explore the most affordable flight options available from Tennessee to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/29. 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 3/127:00 amTYS - IAD
1 stop4h 46mUnited Airlines
Tue 3/2510:10 pmIAD - TYS
Nonstop1h 44mUnited Airlines
Deal found 1/29$209
This Delta deal was found by Cheapflights users on 1/29. 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.
Tue 2/185:45 amTYS - IAD
1 stop3h 23mDelta
Tue 2/185:16 pmIAD - TYS
1 stop4h 23mDelta
Deal found 1/29$219
This United Airlines deal was found by Cheapflights users on 1/29. 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 2/201:26 pmBNA - IAD
Nonstop1h 44mUnited Airlines
Sat 3/18:30 amIAD - BNA
Nonstop2h 03mUnited Airlines
Deal found 1/29$229
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:24 pmBNA - IAD
2 stops14h 56mMultiple Airlines
Sun 7/2711:58 amIAD - BNA
Nonstop1h 49mMultiple Airlines
Deal found 1/30$231
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/1811:16 amBNA - IAD
1 stop4h 40mAmerican Airlines
Tue 2/259:12 amIAD - BNA
1 stop4h 28mAmerican Airlines
Deal found 1/29$264
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:32 pmTYS - IAD
1 stop5h 29mAllegiant Air
Sun 6/89:10 pmIAD - TYS
1 stop13h 45mAllegiant Air
Deal found 1/28$268
This Delta deal was found by Cheapflights users on 1/30. 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.
Thu 2/206:27 amMEM - IAD
1 stop4h 21mDelta
Mon 2/246:59 pmIAD - MEM
1 stop5h 18mDelta
Deal found 1/30$301
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 8/245:18 amTYS - IAD
1 stop3h 26mAmerican Airlines
Wed 8/278:19 pmIAD - TYS
1 stop3h 58mAmerican Airlines
Deal found 1/30$308
This American Airlines deal was found by Cheapflights users on 1/30. 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 4/122:40 pmMEM - IAD
1 stop4h 01mAmerican Airlines
Tue 4/154:52 pmIAD - MEM
1 stop4h 17mAmerican Airlines
Deal found 1/30$309
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:45 pmTYS - IAD
Nonstop1h 38mMultiple Airlines
Sun 6/812:55 pmIAD - TYS
3 stops23h 44mMultiple Airlines
Deal found 1/28$314
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Fri 2/218:00 amMEM - IAD
1 stop7h 16mUnited Airlines
Tue 2/255:25 pmIAD - MEM
1 stop5h 23mUnited Airlines
Deal found 1/30$321
This Sun Country Air deal was found by Cheapflights users on 1/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:40 pmBNA - IAD
1 stop17h 07mSun Country Air
Sun 6/112:45 pmIAD - BNA
1 stop7h 05mSun Country Air
Deal found 1/28$335

Find flights from Tennessee to Dulles Intl within your budget

Customize your flight search to find flights from Tennessee 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 3/12

7:00 am-11:46 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Tue 3/25

10:10 pm-11:54 pm

Nonstop1h 44m

$209

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 2/18

5:45 am-9:08 am

1 stop3h 23m

Washington, D.C. Dulles Intl

Tue 2/18

5:16 pm-9:39 pm

1 stop4h 23m

$219

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 3/10

6:40 pm-9:24 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 3/18

8:20 am-9:24 am

Nonstop2h 04m

$229

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sun 5/25

7:24 pm-11:20 am

2 stops14h 56m

Washington, D.C. Dulles Intl

Sun 7/27

11:58 am-12:47 pm

Nonstop1h 49m

$231

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 2/28

7:05 am-1:18 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Sat 3/1

6:31 pm-11:26 pm

1 stop5h 55m

$259

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 6/2

12:32 pm-6:01 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Sun 6/8

9:10 pm-10:55 am

1 stop13h 45m

$268

MemphisWashington, D.C.

MEM - IAD

MEMIAD

Memphis

Thu 2/20

6:27 am-11:48 am

1 stop4h 21m

Washington, D.C. Dulles Intl

Mon 2/24

6:59 pm-11:17 pm

1 stop5h 18m

$301

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 3/17

8:02 pm-11:58 pm

1 stop3h 56m

Washington, D.C. Dulles Intl

Wed 3/19

5:28 pm-12:03 am

1 stop6h 35m

$308

MemphisWashington, D.C.

MEM - IAD

MEMIAD

Memphis

Wed 4/2

7:46 am-1:22 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Sat 4/5

2:12 pm-6:27 pm

1 stop5h 15m

$309

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 6/2

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 6/8

12:55 pm-12:39 pm

3 stops23h 44m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 41 results
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Best time to book a flight from Tennessee to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Tennessee 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.

Travel insights for flights from Tennessee to Dulles Intl

Get recent, data-driven insights about flights from Tennessee to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 TN to IAD?

Find hourly flight availability from Tennessee 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 January 30, 2025.

When flying from Tennessee 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.

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

Explore weekly flight availability from Tennessee to Dulles Intl. 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 30, 2025.

The most flights from USTN to IAD are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 January 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Tennessee to Washington, D.C. to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Tennessee 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 are the cheapest airlines to fly from Tennessee to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $46 on Allegiant Air. Other airlines that offer cheap prices include Delta from $110 and United Airlines from $130 one-way.

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

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

    Consider Republic Airways (100%), Copa Airlines (85%) or United Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from Tennessee to Washington, D.C. Dulles Intl Airport.

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

    On average you can expect to pay $1,534 for a flight from Tennessee to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $134 while the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl) is currently priced at $94.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Tennessee to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Tennessee to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Tennessee?

Book flights to Tennessee if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

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Alternative routes for Tennessee to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Tennessee to Dulles Intl

Discover the top 4 airlines that operate flights from Tennessee to Dulles Intl. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$47Average$91FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$406FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$181Average$324FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$234Average$438FlexibilityNo cancel feeOn-time71%
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