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Cheap flights from Washington, D.C. Reagan-National Airport to Knoxville from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Knoxville departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Knoxville

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Reagan-National Airport to Knoxville that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Reagan-National Airport to Knoxville.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Reagan-National Airport to Knoxville? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Knoxville, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Reagan-National Airport to Knoxville

Find recent round-trip train or bus tickets from Washington, D.C. Reagan-National Airport to Knoxville.

All round-trip flight deals to Knoxville

The cheapest plane tickets to Knoxville found on KAYAK recently.
7:00 am - 3:19 pmDCA-TYS
8h 19m1 stop
4:19 pm - 12:06 pmTYS-DCA
19h 47m1 stop
$130Frontier
Find Deal
Sun, Feb 2 - Sun, Feb 9
7:00 am - 3:19 pmDCA-TYS
8h 19m1 stop
4:19 pm - 12:06 pmTYS-DCA
19h 47m1 stop
$140Frontier
Find Deal
Sun, Feb 2 - Sun, Feb 9
8:19 am - 10:10 amDCA-TYS
1h 51mnonstop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$199American Airlines
Find Deal
Wed, Jan 29 - Sat, Feb 1
9:00 am - 1:27 pmDCA-TYS
4h 27m1 stop
2:07 pm - 6:26 pmTYS-DCA
4h 19m1 stop
$219Delta
Find Deal
Wed, Jan 29 - Sat, Feb 1
8:19 am - 10:10 amDCA-TYS
1h 51mnonstop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$228American Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
7:52 pm - 9:56 pmDCA-TYS
2h 04mnonstop
10:40 am - 12:18 pmTYS-DCA
1h 38mnonstop
$229American Airlines
Find Deal
Wed, Feb 5 - Thu, Feb 6
6:45 am - 10:37 amDCA-TYS
3h 52m1 stop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$238American Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
6:20 pm - 11:47 pmDCA-TYS
5h 27m1 stop
7:17 pm - 11:39 pmTYS-DCA
4h 22m1 stop
$249Delta
Find Deal
Wed, Feb 5 - Thu, Feb 6
5:05 pm - 10:41 pmDCA-TYS
5h 36m1 stop
5:47 pm - 11:59 pmTYS-DCA
6h 12m1 stop
$309United Airlines
Find Deal
Mon, Feb 3 - Wed, Feb 5
5:00 pm - 10:24 pmDCA-TYS
5h 24m1 stop
7:00 am - 11:57 amTYS-DCA
4h 57m1 stop
$358United Airlines
Find Deal
Sat, Apr 12 - Thu, Apr 17
7:00 am - 3:19 pmDCA-TYS
8h 19m1 stop
$75Frontier
Find Deal
Thu, Jan 23
7:00 am - 3:19 pmDCA-TYS
8h 19m1 stop
$85Frontier
Find Deal
Sun, Feb 9
5:55 pm - 10:22 pmDCA-TYS
4h 27m1 stop
$110Delta
Find Deal
Sat, Feb 8
7:52 pm - 9:56 pmDCA-TYS
2h 04mnonstop
$130American Airlines
Find Deal
Fri, Feb 7
8:55 am - 4:09 pmDCA-TYS
7h 14m1 stop
$140Delta
Find Deal
Fri, Feb 7
7:00 am - 3:25 pmDCA-TYS
8h 25m1 stop
$155Frontier
Find Deal
Thu, Apr 10
6:00 pm - 3:19 pmDCA-TYS
21h 19m1 stop
$166Frontier
Find Deal
Sat, Jan 18
5:19 pm - 7:04 pmDCA-TYS
1h 45mnonstop
$189American Airlines
Find Deal
Sun, Mar 9
6:00 am - 11:37 amDCA-TYS
5h 37m1 stop
$259United Airlines
Find Deal
Sun, Jul 6
4:05 pm - 4:59 pmDCA-TYS
24h 54m2 stops
$275United Airlines
Find Deal
Fri, Feb 7
8:19 am - 10:10 amDCA-TYS
1h 51mnonstop
10:40 am - 12:18 pmTYS-DCA
1h 38mnonstop
$549American Airlines
Find Deal
Tue, Jan 14 - Thu, Jan 16
3:59 pm - 8:49 pmDCA-TYS
4h 50m1 stop
10:40 am - 12:18 pmTYS-DCA
1h 38mnonstop
$559American Airlines
Find Deal
Tue, Jan 14 - Thu, Jan 16
5:05 pm - 10:41 pmDCA-TYS
5h 36m1 stop
1:59 pm - 7:06 pmTYS-DCA
5h 07m1 stop
$569United Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 17
4:59 pm - 6:47 pmDCA-TYS
1h 48mnonstop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$599American Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
8:00 am - 2:18 pmDCA-TYS
6h 18m1 stop
7:17 pm - 8:59 pmTYS-DCA
1h 42mnonstop
$609American Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
7:00 am - 11:23 amDCA-TYS
4h 23m1 stop
1:00 pm - 8:00 pmTYS-DCA
7h 00m1 stop
$619Delta
Find Deal
Sat, Jan 11 - Mon, Jan 13
10:30 am - 4:59 pmDCA-TYS
6h 29m1 stop
6:20 am - 5:25 pmTYS-DCA
11h 05m2 stops
$1,001United Airlines
Find Deal
Sat, Jan 11 - Mon, Jan 13
7:00 am - 4:59 pmDCA-TYS
9h 59m2 stops
1:59 pm - 7:06 pmTYS-DCA
5h 07m1 stop
$1,022United Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 17
11:06 am - 10:41 pmDCA-TYS
11h 35m2 stops
6:20 am - 3:25 pmTYS-DCA
9h 05m2 stops
$1,397United Airlines
Find Deal
Tue, Jan 14 - Thu, Jan 16
8:19 am - 10:10 amDCA-TYS
1h 51mnonstop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$228American Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
7:52 pm - 9:56 pmDCA-TYS
2h 04mnonstop
10:40 am - 12:18 pmTYS-DCA
1h 38mnonstop
$229American Airlines
Find Deal
Wed, Feb 5 - Thu, Feb 6
7:52 pm - 9:56 pmDCA-TYS
2h 04mnonstop
6:00 am - 7:41 amTYS-DCA
1h 41mnonstop
$258American Airlines
Find Deal
Sun, Feb 2 - Sun, Feb 9
7:52 pm - 9:56 pmDCA-TYS
2h 04mnonstop
7:17 pm - 8:59 pmTYS-DCA
1h 42mnonstop
$259American Airlines
Find Deal
Fri, Jan 31 - Mon, Feb 3
7:55 pm - 9:49 pmDCA-TYS
1h 54mnonstop
7:22 am - 8:59 amTYS-DCA
1h 37mnonstop
$279American Airlines
Find Deal
Thu, May 1 - Sun, May 4
8:19 am - 10:10 amDCA-TYS
1h 51mnonstop
7:17 pm - 8:59 pmTYS-DCA
1h 42mnonstop
$288American Airlines
Find Deal
Sun, Feb 2 - Sun, Feb 2
5:33 pm - 7:12 pmDCA-TYS
1h 39mnonstop
10:32 am - 12:06 pmTYS-DCA
1h 34mnonstop
$308American Airlines
Find Deal
Tue, Mar 4 - Fri, Mar 14
8:10 am - 10:02 amDCA-TYS
1h 52mnonstop
7:22 am - 8:59 amTYS-DCA
1h 37mnonstop
$317American Airlines
Find Deal
Thu, Apr 3 - Sun, Apr 6
8:10 am - 9:53 amDCA-TYS
1h 43mnonstop
7:37 pm - 9:14 pmTYS-DCA
1h 37mnonstop
$318American Airlines
Find Deal
Fri, Mar 7 - Sun, Mar 9
8:14 am - 10:05 amDCA-TYS
1h 51mnonstop
7:22 am - 8:59 amTYS-DCA
1h 37mnonstop
$337American Airlines
Find Deal
Sun, Apr 6 - Sun, Apr 13

Frontier flights from Washington, D.C. Reagan-National Airport to Knoxville

Our best Frontier deals on Washington, D.C. Reagan-National Airport to Knoxville flight tickets
Frontier
Feb 2
DCA7:00 amWashington, D.C. Reagan-National
8h 19m
1 stop
TYS3:19 pmKnoxville McGhee Tyson
Feb 9
TYS4:19 pmKnoxville McGhee Tyson
19h 47m
1 stop
DCA12:06 pmWashington, D.C. Reagan-National
Frontier
Feb 2
DCA7:00 amWashington, D.C. Reagan-National
8h 19m
1 stop
TYS3:19 pmKnoxville McGhee Tyson
Feb 9
TYS4:19 pmKnoxville McGhee Tyson
19h 47m
1 stop
DCA12:06 pmWashington, D.C. Reagan-National
Frontier
Jan 19
DCA7:00 amWashington, D.C. Reagan-National
8h 19m
1 stop
TYS3:19 pmKnoxville McGhee Tyson
Jan 23
TYS4:19 pmKnoxville McGhee Tyson
19h 47m
1 stop
DCA12:06 pmWashington, D.C. Reagan-National

United Airlines flights from Washington, D.C. Reagan-National Airport to Knoxville

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Knoxville flight tickets
United Airlines
Feb 3
DCA5:05 pmWashington, D.C. Reagan-National
5h 36m
1 stop
TYS10:41 pmKnoxville McGhee Tyson
Feb 5
TYS5:47 pmKnoxville McGhee Tyson
6h 12m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
United Airlines
Apr 12
DCA5:00 pmWashington, D.C. Reagan-National
5h 24m
1 stop
TYS10:24 pmKnoxville McGhee Tyson
Apr 17
TYS7:00 amKnoxville McGhee Tyson
4h 57m
1 stop
DCA11:57 amWashington, D.C. Reagan-National
United Airlines
Feb 5
DCA7:02 amWashington, D.C. Reagan-National
6h 16m
1 stop
TYS1:18 pmKnoxville McGhee Tyson
Feb 12
TYS7:00 amKnoxville McGhee Tyson
12h 25m
2 stops
DCA7:25 pmWashington, D.C. Reagan-National

See travel insights to Knoxville from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from Washington, D.C. Reagan-National Airport, with most prices found around $236. If you aren’t able to travel during the month of February, then book flights to Knoxville from Washington, D.C. Reagan-National Airport during July instead. Flights to Knoxville in July, while not as cheap as those in February, still average around $289.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $296. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Knoxville for around $373.

What is the cheapest time of day to depart on your flight to Knoxville?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Knoxville when you can find flight prices for as low as $338. Flying to Knoxville in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $345.

What is the cheapest Washington, D.C. Reagan-National to Knoxville McGhee Tyson flight route?

Fly from Washington, D.C. Reagan-National to Knoxville McGhee Tyson for the best Washington, D.C. Reagan-National - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

We recommend purchasing flights from Washington, D.C. Reagan-National Airport to Knoxville 32 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Knoxville for $339. Keep in mind that you might also find cheap flights to Knoxville outside of this time window. In fact, momondo users recently found flights from Washington, D.C. Reagan-National Airport to Knoxville for $189.

What cabin class options are available on Washington, D.C. Reagan-National to Knoxville McGhee Tyson flights?

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Reagan-National Airport to Knoxville flight prices changed over time?

As of January 2025, prices for Washington, D.C. Reagan-National Airport to Knoxville flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Knoxville (DCA to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Knoxville

Best Price Found

$75

Fastest flight time

1h 35m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Washington, D.C. Reagan-National Airport in the past 72 hours is $75. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Knoxville found on momondo in the last 72 hours is $130.
The fastest flight from Washington, D.C. Reagan-National Airport to Knoxville takes 1h 35m
Direct flights go from Washington, D.C. Reagan-National Airport to Knoxville on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is American Airlines.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Washington, D.C. Reagan-National to Knoxville McGhee Tyson by plane?

    There are 426.9 mi between Washington, D.C. Reagan-National and Knoxville McGhee Tyson. A reasonable flight in good conditions will take 1h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Reagan-National Airport to Knoxville?

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Knoxville?


Best airlines flying from Washington, D.C. Reagan-National Airport to Knoxville

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $206Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Washington, D.C. Reagan-National Airport to Knoxville

    American Airlines flies from Washington, D.C. Reagan-National Airport to Knoxville around 19 times per week, with 10,000 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Washington, D.C. Reagan-National Airport to Knoxville in the last 72 hours was $206 (round-trip), much lower than the average airfare cost of $346 for American Airlines flights on this route.


Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knoxville?

Finding the right flight to Knoxville from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knoxville with flexible booking policies on momondo?

Yes. All flights to Knoxville from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Knoxville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Knoxville.

I’m not ready to book a flight from Washington, D.C. to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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