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Dulles Intl

$40+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IAD
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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Cheap flight deals from Tennessee to Dulles Intl

Keep the following information in mind while searching for Tennessee to Dulles Intl flight deals. Data was last updated abril 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$135
(Mytrip)

One-way from

$40
(Booking.com)

Popular in

March

Cheapest in

July

Average price

$237

Good round-trip deal

$502 or less

Good one-way deal

$172 or less
Provider with most accurate pricing for Nashville Intl-Washington, D.C. (WAS) flight deals.
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From Tennessee to Washington, D.C. Dulles Intl
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One-way flight from Tennessee to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 7% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Tennessee to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Tennessee to Washington, D.C. Dulles Intl.
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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 abril 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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.
lun. 5/1910:01 amBNA - IAD
1 stop5h 35mMultiple Airlines
dom. 5/2511:54 amIAD - BNA
Nonstop1h 49mMultiple Airlines
Deal found 4/28$135
This United Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 5/298:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
jue. 5/293:55 pmIAD - BNA
Nonstop1h 54mUnited Airlines
Deal found 4/29$157
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/298:20 amBNA - IAD
Nonstop1h 44mAllegiant Air
dom. 6/13:17 pmIAD - BNA
1 stop24h 19mAllegiant Air
Deal found 4/29$175
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/1610:01 amBNA - IAD
1 stop5h 35mFrontier
dom. 5/185:26 pmIAD - BNA
1 stop16h 43mFrontier
Deal found 4/29$191
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 7/169:55 amTYS - IAD
Nonstop1h 40mUnited Airlines
dom. 7/208:45 amIAD - TYS
Nonstop1h 42mUnited Airlines
Deal found 4/29$194
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 5/215:45 amTYS - IAD
1 stop3h 29mDelta
mié. 5/285:56 pmIAD - TYS
1 stop5h 55mDelta
Deal found 4/29$204
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/163:36 pmTYS - IAD
1 stop16h 59mAllegiant Air
dom. 7/209:05 pmIAD - TYS
1 stop16h 18mAllegiant Air
Deal found 4/29$208
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/89:34 pmTYS - IAD
2 stops22h 43mMultiple Airlines
vie. 6/133:13 pmIAD - TYS
Nonstop1h 34mMultiple Airlines
Deal found 4/29$245
This American Airlines deal was found by Cheapflights users on 4/29. 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.
sáb. 7/267:06 pmBNA - IAD
1 stop3h 52mAmerican Airlines
sáb. 8/25:39 pmIAD - BNA
1 stop4h 59mAmerican Airlines
Deal found 4/29$257
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/228:31 pmTRI - IAD
1 stop3h 31mAmerican Airlines
jue. 5/295:26 pmIAD - TRI
1 stop4h 27mAmerican Airlines
Deal found 4/28$269
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/277:30 amMEM - IAD
1 stop7h 39mUnited Airlines
vie. 5/306:48 amIAD - MEM
1 stop5h 14mUnited Airlines
Deal found 4/28$280
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1811:00 amMEM - IAD
1 stop4h 33mDelta
sáb. 7/56:00 amIAD - MEM
1 stop3h 50mDelta
Deal found 4/28$288

Cheapflights Fare Finder

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 abril 30, 2025.
Use the filters below to find and compare flights from Tennessee to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Tennessee

Fly to

Dulles Intl

Route

Depart

Return

Price

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

lun. 5/19

10:01 am-4:36 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

dom. 5/25

11:54 am-12:43 pm

Nonstop1h 49m

$135

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

jue. 5/29

8:30 am-11:15 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

jue. 5/29

3:55 pm-4:49 pm

Nonstop1h 54m

$157

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

jue. 5/29

8:20 am-11:04 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

dom. 6/1

3:17 pm-2:36 pm

1 stop24h 19m

$175

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

vie. 5/16

10:01 am-4:36 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

dom. 5/18

5:26 pm-9:09 am

1 stop16h 43m

$191

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

mié. 7/16

9:55 am-11:35 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

dom. 7/20

8:45 am-10:27 am

Nonstop1h 42m

$194

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

mié. 5/21

5:45 am-9:14 am

1 stop3h 29m

Washington, D.C. Dulles Intl

mié. 5/28

5:56 pm-11:51 pm

1 stop5h 55m

$204

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

mié. 7/16

3:36 pm-8:35 am

1 stop16h 59m

Washington, D.C. Dulles Intl

dom. 7/20

9:05 pm-1:23 pm

1 stop16h 18m

$208

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

dom. 6/8

9:34 pm-8:17 pm

2 stops22h 43m

Washington, D.C. Dulles Intl

vie. 6/13

3:13 pm-4:47 pm

Nonstop1h 34m

$245

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

sáb. 7/26

5:30 am-12:49 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

dom. 7/27

9:03 am-2:54 pm

1 stop6h 51m

$257

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

lun. 6/2

7:30 pm-12:28 am

1 stop4h 58m

Washington, D.C. Dulles Intl

jue. 6/12

6:00 am-9:45 am

1 stop3h 45m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 46 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.

Cheapflights Insights

Everything you need to know about your flight from Tennessee to Washington, D.C. Dulles Intl Airport

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 $373). 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 abril 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.

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 abril 30, 2025.
Peruse reviews from past customers who have flown with Delta, Avelo Airlines and United Airlines 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.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
Avelo Airlines
7.5
Good
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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 $40 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $89 and United Airlines from $90 one-way.

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

    Most travelers choose Nashville Intl - Washington, D.C. Dulles Intl, Memphis - Washington, D.C. Dulles Intl or Knoxville McGhee Tyson - Washington, D.C. Dulles Intl when deciding on the best route 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 Brussels Airlines (85%), United Airlines (79%) or Copa Airlines (78%) 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 $1,127 for a flight from Tennessee to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $49 while the most popular route, (Nashville Intl - Washington, D.C. Dulles Intl) is currently priced at $58.

  • 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 $373). 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
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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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.
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
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Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
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John F Kennedy Intl to Reagan-National flights
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LaGuardia to Reagan-National flights
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George Bush Intcntl to Baltimore flights
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Midway to Dulles Intl flights
Portland to Reagan-National flights
Sky Harbor Intl to Reagan-National flights
Miami to Baltimore flights
Burbank to Baltimore flights
Minneapolis to Reagan-National flights

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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$53Average$100FlexibilityNo cancel feeOn-time88%
DeltaCheapest$136Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$345FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$436FlexibilityNo cancel feeOn-time71%

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