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$43+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TYS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Knoxville McGhee Tyson are usually found in January or March, booked 64 days in advance, depart on a Wednesday or Saturday and return on a Thursday

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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$46
(Booking.com)

Popular in

October

Cheapest in

January

Average price

$318

Good round-trip deal

$222 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Knoxville McGhee Tyson flights.
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From Washington, D.C. (WAS) to Knoxville McGhee Tyson
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One-way flight from Washington, D.C. (WAS) to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% 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 Washington, D.C. (WAS) to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Knoxville McGhee Tyson.
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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 April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/263:13 pmIAD - TYS
Nonstop1h 34mMultiple Airlines
Fri 5/309:03 pmTYS - IAD
2 stops17h 41mMultiple Airlines
Deal found 4/15$203
This United Airlines deal was found by Cheapflights users on 4/13. 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 9/135:10 pmIAD - TYS
1 stop5h 32mUnited Airlines
Mon 9/157:25 pmTYS - IAD
Nonstop1h 43mUnited Airlines
Deal found 4/13$204
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:27 amBWI - TYS
1 stop27h 06mMultiple Airlines
Thu 5/87:15 amTYS - BWI
1 stop14h 06mMultiple Airlines
Deal found 4/14$208
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:00 amIAD - TYS
1 stop3h 40mDelta
Tue 6/107:46 amTYS - IAD
1 stop3h 47mDelta
Deal found 4/15$209
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/106:00 amDCA - TYS
1 stop4h 46mDelta
Sat 6/145:45 amTYS - DCA
1 stop3h 24mDelta
Deal found 4/14$209
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:41 amDCA - TYS
Nonstop1h 55mAmerican Airlines
Sun 6/226:35 amTYS - DCA
Nonstop1h 42mAmerican Airlines
Deal found 4/14$210
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:58 pmIAD - TYS
1 stop17h 29mAllegiant Air
Sun 5/1112:34 pmTYS - IAD
1 stop24h 52mAllegiant Air
Deal found 4/14$215
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:45 amBWI - TYS
1 stop6h 37mUnited Airlines
Sat 5/107:00 amTYS - BWI
1 stop7h 16mUnited Airlines
Deal found 4/14$229
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 6/17:25 amDCA - TYS
1 stop5h 58mUnited Airlines
Tue 6/107:00 amTYS - DCA
1 stop4h 59mUnited Airlines
Deal found 4/15$231
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:50 pmBWI - TYS
1 stop5h 16mAmerican Airlines
Mon 5/57:54 pmTYS - BWI
1 stop3h 59mAmerican Airlines
Deal found 4/14$234
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:02 amIAD - TYS
1 stop3h 22mAmerican Airlines
Sat 5/318:27 pmTYS - IAD
1 stop3h 35mAmerican Airlines
Deal found 4/15$251
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:50 amBWI - TYS
1 stop3h 31mDelta
Tue 4/2910:06 amTYS - BWI
1 stop5h 34mDelta
Deal found 4/14$254

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 April 15, 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

Mon 5/26

3:13 pm-4:47 pm

Nonstop1h 34m

Knoxville McGhee Tyson

Fri 5/30

9:03 pm-2:44 pm

2 stops17h 41m

$203

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 9/13

5:10 pm-10:42 pm

1 stop5h 32m

Knoxville McGhee Tyson

Mon 9/15

7:25 pm-9:08 pm

Nonstop1h 43m

$204

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Tue 5/6

10:27 am-1:33 pm

1 stop27h 06m

Knoxville McGhee Tyson

Thu 5/8

7:15 am-9:21 pm

1 stop14h 06m

$208

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 6/1

6:00 am-9:40 am

1 stop3h 40m

Knoxville McGhee Tyson

Tue 6/10

7:46 am-11:33 am

1 stop3h 47m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Tue 6/10

6:00 am-10:46 am

1 stop4h 46m

Knoxville McGhee Tyson

Sat 6/14

5:45 am-9:09 am

1 stop3h 24m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 6/18

8:41 am-10:36 am

Nonstop1h 55m

Knoxville McGhee Tyson

Sun 6/22

6:35 am-8:17 am

Nonstop1h 42m

$210

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 5/8

8:58 pm-2:27 pm

1 stop17h 29m

Knoxville McGhee Tyson

Sun 5/11

12:34 pm-1:26 pm

1 stop24h 52m

$215

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Wed 5/7

6:45 am-1:22 pm

1 stop6h 37m

Knoxville McGhee Tyson

Sat 5/10

7:00 am-2:16 pm

1 stop7h 16m

$229

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sun 6/1

7:25 am-1:23 pm

1 stop5h 58m

Knoxville McGhee Tyson

Tue 6/10

7:00 am-11:59 am

1 stop4h 59m

$231

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Fri 5/2

1:50 pm-7:06 pm

1 stop5h 16m

Knoxville McGhee Tyson

Mon 5/5

7:54 pm-11:53 pm

1 stop3h 59m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 24 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams the most. eDreams 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 April 11, 2025.

The best time to book flights from Washington, D.C. to Knoxville is 64 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $296). Flying from Washington, D.C. to Knoxville in March is currently the most expensive (average of $376). 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 April 15, 2025.

It’s optimal to fly from Washington, D.C. to Knoxville in the afternoon. By choosing this option you can save up to 8% 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 Monday afternoons when fares are most often at their lowest. Tuesday evenings 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 April 15, 2025.

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 (16 on average).

Rainfall in Knoxville by month

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

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

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

If weather is an important factor for your trip to Knoxville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 15, 2025.
To help decide which airline to fly from Washington, D.C. to Knoxville, see what other customers have to say about Delta, United Airlines and Allegiant Air. 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
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,658 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
Frontier
6.0
Okay
3,281 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 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 18 inbound flights from Washington, D.C. per day.

  • 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 United Airlines. Our recent data shows that you can find tickets from as low as $204 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $209 and $210 round-trip. You may be able to fly from Washington, D.C. to Knoxville for 35% 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 $46. However, be on the lookout for offers from American Airlines and Delta, 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?

    When deciding which route to take from Washington, D.C. to Knoxville consider Washington, D.C. Dulles Intl - Knoxville McGhee Tyson, Washington, D.C. Reagan-National - Knoxville McGhee Tyson or Baltimore/Washington - Knoxville McGhee Tyson as they are the most popular.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $296). Flying from Washington, D.C. to Knoxville in March is currently the most expensive (average of $376). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$52Average$78FlexibilityNo cancel feeOn-time88%
DeltaCheapest$198Average$345FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$360FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$356FlexibilityNo cancel feeOn-time69%

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