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$42+ Cheap flights from District of Columbia 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TYS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Knoxville

Keep the following information in mind while searching for District of Columbia to Knoxville flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$42
(Flightnetwork)

Popular in

October

Cheapest in

January

Average price

$319

Good round-trip deal

$194 or less

Good one-way deal

$50 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 District of Columbia to Knoxville McGhee Tyson
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One-way flight from District of Columbia to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
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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 District of Columbia to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from District of Columbia to Knoxville McGhee Tyson.
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Find flight deals from District of Columbia to Knoxville

Cheapest flights from District of Columbia to Knoxville
Explore the most affordable flight options available from District of Columbia to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:58 pmDCA - TYS
Nonstop2h 00mAmerican Airlines
Thu 5/296:00 amTYS - DCA
Nonstop1h 40mAmerican Airlines
Deal found 4/29$179
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 5/2712:55 pmIAD - TYS
Nonstop1h 38mUnited Airlines
Tue 6/37:25 pmTYS - IAD
Nonstop1h 38mUnited Airlines
Deal found 4/29$189
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 5/286:00 amDCA - TYS
1 stop3h 40mDelta
Fri 5/307:10 pmTYS - DCA
1 stop4h 33mDelta
Deal found 4/29$199
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:13 pmIAD - TYS
1 stop24h 30mAllegiant Air
Mon 10/137:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 4/28$200
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.
Tue 5/277:05 amIAD - TYS
1 stop4h 18mDelta
Tue 6/36:10 pmTYS - IAD
1 stop4h 44mDelta
Deal found 4/29$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.
Thu 5/297:00 amDCA - TYS
1 stop9h 35mFrontier
Sun 6/15:25 pmTYS - DCA
1 stop18h 35mFrontier
Deal found 4/29$230
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:02 amIAD - TYS
1 stop3h 22mAmerican Airlines
Tue 5/207:54 pmTYS - IAD
1 stop4h 08mAmerican Airlines
Deal found 4/29$251
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.
Fri 5/238:30 amIAD - TYS
1 stop12h 40mMultiple Airlines
Mon 5/2612:45 pmTYS - IAD
Nonstop1h 38mMultiple Airlines
Deal found 4/29$257
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.
Fri 5/26:25 amDCA - TYS
1 stop6h 57mUnited Airlines
Tue 5/67:00 amTYS - DCA
1 stop5h 56mUnited Airlines
Deal found 4/29$324

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia 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 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Knoxville that are best for you.

Fly from

District of Columbia

Fly to

Knoxville

Route

Depart

Return

Price

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 5/24

7:58 pm-9:58 pm

Nonstop2h 00m

Knoxville McGhee Tyson

Thu 5/29

6:00 am-7:40 am

Nonstop1h 40m

$179

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 5/27

12:55 pm-2:33 pm

Nonstop1h 38m

Knoxville McGhee Tyson

Tue 6/3

7:25 pm-9:03 pm

Nonstop1h 38m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 5/28

6:00 am-9:40 am

1 stop3h 40m

Knoxville McGhee Tyson

Fri 5/30

7:10 pm-11:43 pm

1 stop4h 33m

$199

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 5/27

7:05 am-11:23 am

1 stop4h 18m

Knoxville McGhee Tyson

Tue 6/3

6:10 pm-10:54 pm

1 stop4h 44m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 6/14

3:22 pm-9:47 pm

1 stop6h 25m

Knoxville McGhee Tyson

Mon 6/16

12:55 pm-6:15 pm

1 stop5h 20m

$211

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 5/29

7:00 am-4:35 pm

1 stop9h 35m

Knoxville McGhee Tyson

Sun 6/1

5:25 pm-12:00 pm

1 stop18h 35m

$230

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 5/20

5:02 am-8:24 am

1 stop3h 22m

Knoxville McGhee Tyson

Tue 5/20

7:54 pm-12:02 am

1 stop4h 08m

$251

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 5/23

8:30 am-9:10 pm

1 stop12h 40m

Knoxville McGhee Tyson

Mon 5/26

12:45 pm-2:23 pm

Nonstop1h 38m

$257

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Mon 7/7

5:00 pm-10:35 pm

1 stop5h 35m

Knoxville McGhee Tyson

Fri 7/11

5:46 pm-10:56 am

1 stop17h 10m

$408

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 5/30

3:13 pm-4:47 pm

Nonstop1h 34m

$45

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 results
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Best time to book a flight from District of Columbia to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from District of Columbia 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 District of Columbia to Knoxville

What is the cheapest month to book a flight from District of Columbia to Knoxville?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $296). Flying from District of Columbia 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 DC to TYS?

Find hourly flight availability from District of Columbia 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 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Knoxville as you normally would.

Weekly flight availability from District of Columbia to Knoxville

Explore weekly flight availability from District of Columbia 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 30, 2025.

The most flights from USDC to TYS are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 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 30, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from District of Columbia to Knoxville have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
734 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
3,284 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 District of Columbia 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 District of Columbia?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from District of Columbia. McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • What are the cheapest airlines to fly from District of Columbia to Knoxville one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Knoxville are Allegiant Air ($42), United Airlines ($90), and American Airlines ($90).

  • What are the most reliable airlines from District of Columbia to Knoxville?

    Before booking your flight to Knoxville from District of Columbia, check out the most reliable airlines to get you to your destination on time: Avianca (79%), Copa Airlines (79%), Air Canada( 79%).

  • What are the cheapest flights from District of Columbia to Knoxville?

    While on average a flight from District of Columbia to Knoxville is generally $259, 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 $80 for that flight.

  • Can I find deals for flights from District of Columbia to Knoxville that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Knoxville?

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

  • Can I find deals for business class flights from District of Columbia to Knoxville?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Knoxville (average of $296). Flying from District of Columbia 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 District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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Alternative routes for District of Columbia to Knoxville

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Top 4 airlines flying from District of Columbia to Knoxville

Discover the top 4 airlines that operate flights from District of Columbia 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$52Average$78FlexibilityNo cancel feeOn-time88%
DeltaCheapest$198Average$330FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$361FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$354FlexibilityNo cancel feeOn-time69%

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