Knoxville

$33+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TYS
Jul 23 — Jul 301
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Knoxville McGhee Tyson are usually found in February or April, booked 86 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 June 23, 2026.

This Super.com deal was found by Cheapflights users on 6/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 7/1312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 6/23$74
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Thu 11/510:03 am
IAD
-
TYS
Nonstop1h 35m
Allegiant Air
Sun 11/87:30 am
TYS
-
IAD
Nonstop1h 28m
Allegiant Air
Deal found 6/21$89
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Fri 7/33:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 7/612:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 6/22$96
This Super.com deal was found by Cheapflights users on 6/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/263:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Mon 6/2912:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Deal found 6/18$121
This Mytrip deal was found by Cheapflights users on 6/18. 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 6/223:19 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Mon 6/2912:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Deal found 6/18$126
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 6/293:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Fri 7/312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 6/19$131
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Thu 10/154:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 10/181:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 6/21$133
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:00 pm
IAD
-
TYS
2 stops11h 33m
Multiple Airlines
Mon 7/2712:53 pm
TYS
-
IAD
Nonstop1h 33m
Multiple Airlines
Deal found 6/20$135
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:40 pm
BWI
-
TYS
Nonstop1h 35m
Southwest
Tue 10/278:55 am
TYS
-
BWI
Nonstop1h 30m
Southwest
Deal found 6/19$185
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 9/93:59 pm
DCA
-
TYS
Nonstop1h 47m
American Airlines
Wed 9/1611:08 am
TYS
-
DCA
Nonstop1h 44m
American Airlines
Deal found 6/21$185
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:35 pm
BWI
-
TYS
Nonstop1h 45m
Southwest
Sat 8/11:35 pm
TYS
-
BWI
1 stop7h 30m
Southwest
Deal found 6/22$195
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:40 pm
BWI
-
TYS
Nonstop1h 40m
Southwest
Sat 8/226:50 am
TYS
-
BWI
2 stops7h 35m
Southwest
Deal found 6/22$200

Find 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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$74
(Super.com)

One-way from

$33
(Super.com)

Popular in

June

Cheapest in

February

Average price

$343

Good round-trip deal

$76 or less

Good one-way deal

$45 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. 1% potential increase in price ($3 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in June 2026
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.

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 June 23, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 9/9

12:50 pm-2:37 pm

Nonstop1h 47m

Knoxville McGhee Tyson

Wed 9/16

9:45 am-11:31 am

Nonstop1h 46m

$185

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Tue 7/28

7:35 pm-9:20 pm

Nonstop1h 45m

Knoxville McGhee Tyson

Sat 8/1

1:35 pm-9:05 pm

1 stop7h 30m

$195
Quickest round-trip

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Wed 8/26

6:10 pm-7:50 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sat 8/29

7:50 am-9:30 am

Nonstop1h 40m

$201

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Wed 8/5

6:10 pm-7:50 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Mon 8/10

8:25 am-10:10 am

Nonstop1h 45m

$201

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Mon 9/21

6:15 pm-7:55 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Wed 9/23

8:00 am-9:40 am

Nonstop1h 40m

$201

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 9/9

6:00 am-10:44 am

1 stop4h 44m

Knoxville McGhee Tyson

Wed 9/16

6:13 pm-11:43 pm

1 stop5h 30m

$205

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Sat 8/15

6:40 am-1:15 pm

1 stop6h 35m

Knoxville McGhee Tyson

Sat 8/22

6:50 am-2:25 pm

2 stops7h 35m

$210

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Thu 8/6

10:25 am-3:30 pm

1 stop5h 05m

Knoxville McGhee Tyson

Wed 8/26

5:40 am-9:19 am

1 stop3h 39m

$211

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 8/7

10:10 pm-11:54 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Mon 8/10

5:45 am-7:30 am

Nonstop1h 45m

$227

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 8/26

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Sat 8/29

9:45 am-11:31 am

Nonstop1h 46m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 56 resultsSorted by cheapest first
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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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $30). Flying from Washington, D.C. to Knoxville in January is currently the most expensive (average of $80). 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 June 23, 2026.

It’s optimal to fly from Washington, D.C. to Knoxville at noon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

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 June 23, 2026.

The most flights from WAS to TYS are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

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

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

The best time to book flights from Washington, D.C. to Knoxville is 85 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 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 June 20, 2026.

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

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 June 23, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Knoxville, such as Southwest,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

7.5

Overall

7.9

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Entertainment

7.5

Overall

7.9

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Entertainment

7.5

Overall

7.9

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Entertainment

7.5

Overall

7.9

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Comfort

8.0

Entertainment

7.5

Overall

7.9

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

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. 5 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 19 inbound flights from Washington, D.C. per day.

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

    United Airlines, Southwest, and Delta can get you from Washington, D.C. to Knoxville in just under 1h 45m. Your travel time can differ by up to 2h 59m. Washington, D.C. and Knoxville are separated by a distance of 464 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 $54 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $189 and $203 round-trip. You may be able to fly from Washington, D.C. to Knoxville for 78% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. to Knoxville one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $38. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Knoxville for a low price.

  • 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 Mesa Airlines (96%), Allegiant Air (92%) or United Airlines (77%) 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 $96, our data shows the cheapest flight currently is $38. When looking at the most popular route, (Baltimore/Washington - Knoxville McGhee Tyson), you can expect to pay $185 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, April is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $30). Flying from Washington, D.C. to Knoxville in January is currently the most expensive (average of $80). 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
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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Top 5 airlines flying from Washington, D.C. to Knoxville

Discover the top 5 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$97FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$336FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$203Average$367FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$294FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$209Average$276FlexibilityNo cancel feeOn-time63%

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