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Washington, D.C.

$53+ Cheap flights from Knoxville (TYS) to Washington, D.C. (WAS)

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — WAS
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Washington, D.C. are usually found in December or August, booked 75 days in advance, depart on a Thursday or Friday and return on a Wednesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Washington, D.C. (WAS). 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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$192
(Mytrip)

One-way from

$53
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$288

Good round-trip deal

$249 or less

Good one-way deal

$122 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Washington, D.C. (WAS) flights.
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From Knoxville McGhee Tyson to Washington, D.C. (WAS)
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One-way flight from Knoxville McGhee Tyson to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Washington, D.C. (WAS).
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Find flight deals from Knoxville to Washington, D.C.

Cheapest flights from Knoxville to Washington, D.C.
Explore the most affordable flight options available from Knoxville to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

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.
Wed 5/286:50 amTYS - BWI
1 stop24h 41mMultiple Airlines
Wed 6/48:26 amBWI - TYS
1 stop10h 53mMultiple Airlines
Deal found 4/29$192
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/1312:45 pmTYS - IAD
Nonstop1h 38mAllegiant Air
Sun 6/159:10 pmIAD - TYS
1 stop13h 45mAllegiant Air
Deal found 4/30$193
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/145:50 amTYS - IAD
Nonstop1h 45mUnited Airlines
Thu 5/2210:13 pmIAD - TYS
Nonstop1h 46mUnited Airlines
Deal found 4/30$194
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/147:44 pmTYS - DCA
Nonstop1h 33mAmerican Airlines
Thu 5/227:52 amDCA - TYS
Nonstop1h 43mAmerican Airlines
Deal found 4/30$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.
Wed 5/216:20 pmTYS - DCA
1 stop4h 29mDelta
Wed 5/286:00 amDCA - TYS
1 stop5h 23mDelta
Deal found 4/29$204
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 6/135:57 pmTYS - IAD
1 stop4h 14mDelta
Mon 6/167:10 amIAD - TYS
1 stop6h 37mDelta
Deal found 4/30$209
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.
Sun 6/85:25 pmTYS - DCA
1 stop23h 32mFrontier
Wed 6/116:00 pmDCA - TYS
1 stop22h 29mFrontier
Deal found 4/29$230
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/96:38 amTYS - IAD
3 stops28h 48mMultiple Airlines
Mon 6/233:13 pmIAD - TYS
Nonstop1h 34mMultiple Airlines
Deal found 4/30$237
This Delta deal was found by Cheapflights users on 4/30. 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 5/155:45 amTYS - BWI
1 stop3h 25mDelta
Mon 5/196:00 amBWI - TYS
1 stop4h 23mDelta
Deal found 4/30$239
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.
Tue 5/610:50 amTYS - DCA
1 stop6h 11mUnited Airlines
Tue 5/138:30 amDCA - TYS
1 stop4h 52mUnited Airlines
Deal found 4/29$244
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/237:54 pmTYS - IAD
1 stop4h 08mAmerican Airlines
Tue 5/275:02 amIAD - TYS
1 stop3h 22mAmerican Airlines
Deal found 4/30$260
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/78:13 pmTYS - BWI
1 stop3h 57mAmerican Airlines
Thu 6/125:00 amBWI - TYS
1 stop5h 16mAmerican Airlines
Deal found 4/30$308

Cheapflights Fare Finder

Customize your flight search to find flights from Knoxville to Washington, D.C. 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 May 1, 2025.
Use the filters below to find and compare flights from Knoxville to Washington, D.C. that are best for you.

Fly from

Knoxville

Fly to

Washington, D.C.

Route

Depart

Return

Price

KnoxvilleBaltimore

TYS - BWI

TYSBWI

Knoxville McGhee Tyson

Wed 5/28

6:50 am-7:31 am

1 stop24h 41m

Baltimore/Washington

Wed 6/4

8:26 am-7:19 pm

1 stop10h 53m

$192

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 6/13

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 6/15

9:10 pm-10:55 am

1 stop13h 45m

$193

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 5/14

5:50 am-7:35 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Thu 5/22

10:13 pm-11:59 pm

Nonstop1h 46m

$194

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 5/14

7:44 pm-9:17 pm

Nonstop1h 33m

Washington, D.C. Reagan-National

Thu 5/22

7:52 am-9:35 am

Nonstop1h 43m

$194

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 5/21

6:20 pm-10:49 pm

1 stop4h 29m

Washington, D.C. Reagan-National

Wed 5/28

6:00 am-11:23 am

1 stop5h 23m

$204

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 6/13

5:57 pm-10:11 pm

1 stop4h 14m

Washington, D.C. Dulles Intl

Mon 6/16

7:10 am-1:47 pm

1 stop6h 37m

$209

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sun 6/8

5:25 pm-4:57 pm

1 stop23h 32m

Washington, D.C. Reagan-National

Wed 6/11

6:00 pm-4:29 pm

1 stop22h 29m

$230

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 6/9

6:38 am-11:26 am

3 stops28h 48m

Washington, D.C. Dulles Intl

Mon 6/23

3:13 pm-4:47 pm

Nonstop1h 34m

$237

KnoxvilleBaltimore

TYS - BWI

TYSBWI

Knoxville McGhee Tyson

Thu 5/15

5:45 am-9:10 am

1 stop3h 25m

Baltimore/Washington

Mon 5/19

6:00 am-10:23 am

1 stop4h 23m

$239

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 5/23

7:54 pm-12:02 am

1 stop4h 08m

Washington, D.C. Dulles Intl

Tue 5/27

5:02 am-8:24 am

1 stop3h 22m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 results
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Compare providers for flights from Knoxville to Washington, D.C.

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 Knoxville to Washington, D.C. in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Knoxville-Washington, D.C. flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Knoxville-Washington, D.C. flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Knoxville-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Washington, D.C. flights, Cheapflights users trust CheapOair the most. CheapOair 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 Knoxville-Washington, D.C. 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 Knoxville to Washington, D.C.

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

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Washington, D.C.. Price data was last updated on April 25, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. (average of $309). Flying from Knoxville to Washington, D.C. 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 TYS to WAS?

Find hourly flight availability from Knoxville to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

It’s typically best to fly out from Knoxville to Washington, D.C. in the afternoon. Doing so could potentially save you 72% on the flight price compared to flying at noon, which is usually more expensive.

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

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

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

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

Explore weekly flight availability from Knoxville to Washington, D.C.. 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 May 1, 2025.

The most flights from TYS to WAS are scheduled on a Tuesday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Knoxville to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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
Frontier
6.0
Okay
3,287 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

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 Knoxville to Washington, D.C.. 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 from for flights from Knoxville to Washington, D.C.?

    If you book a flight to Washington, D.C. from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 11 flights from McGhee Tyson to Washington, D.C. per day from 3 different airlines.

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

    Our cheapest airline available from Knoxville to Washington, D.C. is United Airlines. Our recent data shows that you can find tickets from as low as $194 on this airline. Additional options worth looking into are American Airlines and Allegiant Air, starting at $194 and $201 round-trip. United Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $53 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $90 and American Airlines from $90 one-way.

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

    Most travelers choose Knoxville McGhee Tyson - Washington, D.C. Dulles Intl, Knoxville McGhee Tyson - Washington, D.C. Reagan-National or Knoxville McGhee Tyson - Baltimore/Washington when deciding on the best route from Knoxville to Washington, D.C..

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

    The top 3 most reliable airlines when flying from Knoxville to Washington, D.C. are Lufthansa (90%), Copa Airlines (89%) and CommutAir (88%).

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

    While on average a flight from Knoxville to Washington, D.C. is generally $1,069, our data shows the cheapest flight currently is $114. When looking at the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Dulles Intl), you can expect to pay $80 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. (average of $309). Flying from Knoxville to Washington, D.C. 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
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Falls Church
Laurel
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Oxon Hill
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Top 3 airlines flying from Knoxville to Washington, D.C.

Discover the top 3 airlines that operate flights from Knoxville to Washington, D.C.. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$190Average$316FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$259FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$348FlexibilityNo cancel feeOn-time69%

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