Knoxville

$41+ Cheap flights from Washington, D.C. (WAS) to Knoxville (TYS)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TYS
nov. 22 — nov. 291
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Cheapflights Tip: The best prices from Washington, D.C. to Knoxville McGhee Tyson are usually found in August or July, booked 83 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Knoxville (TYS). 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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Kiwi.com)

One-way from

$41
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$309

Good round-trip deal

$189 or less

Good one-way deal

$119 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Knoxville McGhee Tyson flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Knoxville McGhee Tyson flights.
From Washington, D.C. (WAS) to Knoxville McGhee Tyson
One-way flight from Washington, D.C. (WAS) to Knoxville McGhee Tyson
Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Knoxville McGhee Tyson.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Knoxville McGhee Tyson.

Find flight deals from Washington, D.C. to Knoxville

Cheapest flights from Washington, D.C. to Knoxville
Explore the most affordable flight options available from Washington, D.C. to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
vie. 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/22$97
This Booking.com deal was found by Cheapflights users on 10/20. 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. 10/313:53 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/311:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/20$106
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
mié. 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
sáb. 12/272:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/22$138
This Mytrip deal was found by Cheapflights users on 10/21. 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.
vie. 10/248:33 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 10/2711:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/21$141
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
jue. 12/47:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
dom. 12/71:22 pmTYS - IAD
1 stop23h 26mAllegiant Air
Deal found 10/21$150
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
jue. 12/47:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
jue. 12/1112:21 pmTYS - IAD
1 stop20h 20mAllegiant Air
Deal found 10/22$153
This Mytrip deal was found by Cheapflights users on 10/22. 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.
vie. 11/1410:14 amIAD - TYS
1 stop12h 03mAllegiant Air
lun. 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/22$154
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
dom. 12/218:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
sáb. 12/272:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/22$155
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
lun. 11/108:36 pmIAD - TYS
1 stop18h 38mMultiple Airlines
vie. 11/146:42 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Deal found 10/22$157
This Delta deal was found by Cheapflights users on 10/21. 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.
lun. 12/86:21 pmBWI - TYS
1 stop5h 07mDelta
mar. 12/95:40 amTYS - BWI
1 stop3h 38mDelta
Deal found 10/21$162
This Delta deal was found by Cheapflights users on 10/21. 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.
lun. 12/87:36 pmDCA - TYS
1 stop3h 52mDelta
mar. 12/95:40 amTYS - DCA
1 stop3h 30mDelta
Deal found 10/21$162
This American Airlines deal was found by Cheapflights users on 10/21. 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.
vie. 12/52:12 pmDCA - TYS
Nonstop1h 42mAmerican Airlines
lun. 12/86:00 amTYS - DCA
Nonstop1h 48mAmerican Airlines
Deal found 10/21$163

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Knoxville 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 octubre 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Knoxville that are best for you.

Fly from

Washington, D.C.

Fly to

Knoxville

Route

Depart

Return

Price

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

lun. 11/10

8:36 pm-3:14 pm

1 stop18h 38m

Knoxville McGhee Tyson

vie. 11/14

6:42 pm-8:26 pm

Nonstop1h 44m

$157

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

mié. 2/18

10:30 am-3:06 pm

1 stop4h 36m

Knoxville McGhee Tyson

sáb. 2/21

10:05 am-3:36 pm

1 stop5h 31m

$157

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

lun. 11/10

11:14 am-4:32 pm

1 stop5h 18m

Knoxville McGhee Tyson

vie. 11/14

6:42 pm-8:26 pm

Nonstop1h 44m

$162

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

lun. 12/8

6:21 pm-11:28 pm

1 stop5h 07m

Knoxville McGhee Tyson

mar. 12/9

5:40 am-9:18 am

1 stop3h 38m

$162

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

vie. 12/5

1:52 pm-8:05 pm

1 stop6h 13m

Knoxville McGhee Tyson

lun. 12/8

5:40 am-9:18 am

1 stop3h 38m

$183

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

vie. 12/5

10:20 am-2:52 pm

1 stop4h 32m

Knoxville McGhee Tyson

lun. 12/8

3:57 pm-7:40 pm

1 stop3h 43m

$183

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

mié. 11/12

9:00 am-10:48 am

Nonstop1h 48m

Knoxville McGhee Tyson

sáb. 11/15

2:25 pm-4:08 pm

Nonstop1h 43m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

mié. 11/12

8:57 am-10:52 am

Nonstop1h 55m

Knoxville McGhee Tyson

sáb. 11/15

6:06 am-7:49 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

mié. 11/26

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

vie. 11/28

5:45 am-7:28 am

Nonstop1h 43m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

sáb. 12/6

9:03 am-10:50 am

Nonstop1h 47m

Knoxville McGhee Tyson

sáb. 12/13

6:00 am-7:48 am

Nonstop1h 48m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 58 results
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Compare providers for flights from Washington, D.C. to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Knoxville in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Washington, D.C. 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. to Knoxville

How far ahead should I book a flight from Washington, D.C. to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Knoxville. Price data was last updated on October 17, 2025.

The best time to book flights from Washington, D.C. to Knoxville is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Knoxville?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $46). Flying from Washington, D.C. to Knoxville in March is currently the most expensive (average of $229). 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 WAS to TYS?

Find hourly flight availability from Washington, D.C. to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

It’s optimal to fly from Washington, D.C. to Knoxville in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Knoxville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Knoxville flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Knoxville

Explore weekly flight availability from Washington, D.C. to Knoxville. 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 octubre 23, 2025.

The most flights from WAS to TYS are scheduled on a Wednesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Washington, D.C. to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated octubre 23, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Knoxville. 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 into for flights to Knoxville from Washington, D.C.?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Knoxville. 4 airlines have flights to McGhee Tyson from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Knoxville McGhee Tyson should not be difficult; the airport handles an average of 10 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Knoxville?

    Delta, Allegiant Air, and United Airlines can get you from Washington, D.C. to Knoxville in just under 1h 48m. Your travel time can differ by up to 3h 30m. Washington, D.C. and Knoxville are separated by a distance of 419 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Knoxville round-trip?

    Our cheapest airline available from Washington, D.C. to Knoxville is Allegiant Air. Our recent data shows that you can find tickets from as low as $42 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $193 and $230 round-trip. You may be able to fly from Washington, D.C. to Knoxville for 85% less than the average price by searching for these airlines.

  • What are the most popular routes from Washington, D.C. to Knoxville?

  • What are the most reliable airlines from Washington, D.C. to Knoxville?

    Consider CommutAir (89%), United Airlines (89%) or Ethiopian Air (89%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Knoxville.

  • What are the cheapest flights from Washington, D.C. to Knoxville?

    While on average a flight from Washington, D.C. to Knoxville is generally $197, our data shows the cheapest flight currently is $43. When looking at the most popular route, (Washington, D.C. Dulles Intl - Knoxville McGhee Tyson), you can expect to pay $89 for that flight.

  • Can I find deals for flights from Washington, D.C. to Knoxville that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Knoxville.

  • Can I find deals for business class flights from Washington, D.C. to Knoxville?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Knoxville 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. to Knoxville?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $46). Flying from Washington, D.C. to Knoxville in March is currently the most expensive (average of $229). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 4 airlines flying from Washington, D.C. to Knoxville

Discover the top 4 airlines that operate flights from Washington, D.C. to Knoxville. 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$42Average$97FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$189Average$362FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$193Average$330FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$297FlexibilityNo cancel feeOn-timeN/A

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