$55 Cheap Flights from Washington (DCA) to Knoxville (TYS)

View $55 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)

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Cheap Flights from Washington to Knoxville (DCA-TYS)

Prices were available within the past 7 days and start at $55 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Dec 8 - Mon, Dec 15
DCA
Washington
TYS
Knoxville
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Washington to Knoxville, returning Mon, Dec 15, priced at $120 found 1 day ago
Frontier Airlines
Sat, Dec 6 - Mon, Dec 8
DCA
Washington
TYS
Knoxville
$140 Roundtrip, found 10 hours ago
$140
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Washington to Knoxville, returning Mon, Dec 8, priced at $140 found 10 hours ago
Frontier Airlines
Sun, Dec 7 - Mon, Dec 8
DCA
Washington
TYS
Knoxville
$153 Roundtrip, found 10 hours ago
$153
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Washington to Knoxville, returning Mon, Dec 8, priced at $153 found 10 hours ago
Frontier Airlines
Thu, Nov 6 - Thu, Nov 13
DCA
Washington
TYS
Knoxville
$160 Roundtrip, found 15 hours ago
$160
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Washington to Knoxville, returning Thu, Nov 13, priced at $160 found 15 hours ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 14
DCA
Washington
TYS
Knoxville
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Washington to Knoxville, returning Sun, Dec 14, priced at $173 found 1 day ago
Frontier Airlines
Thu, Dec 4 - Sun, Jan 18
DCA
Washington
TYS
Knoxville
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Washington to Knoxville, returning Sun, Jan 18, priced at $175 found 1 day ago
American Airlines
Sat, Apr 4 - Tue, Apr 7
DCA
Washington
TYS
Knoxville
$189 Roundtrip, found 8 hours ago
$189
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Apr 4 from Washington to Knoxville, returning Tue, Apr 7, priced at $189 found 8 hours ago
Delta
Tue, Dec 9 - Thu, Dec 11
DCA
Washington
TYS
Knoxville
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 9 from Washington to Knoxville, returning Thu, Dec 11, priced at $206 found 2 days ago
Southwest Airlines
Tue, Jun 2 - Wed, Jun 3
DCA
Washington
TYS
Knoxville
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jun 2 from Washington to Knoxville, returning Wed, Jun 3, priced at $277 found 3 days ago
United
Sat, Apr 4 - Tue, Apr 7
DCA
Washington
TYS
Knoxville
$409 Roundtrip, found 8 hours ago
$409
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Apr 4 from Washington to Knoxville, returning Tue, Apr 7, priced at $409 found 8 hours ago

Find the cheapest month to fly from Washington (DCA) to Knoxville (TYS)

November is typically the cheapest month to fly

From $158 - $459 per traveler.

Alternative airports near Knoxville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McGhee Tyson TYS. Cheapest and Closest option available. Average driving time to city center is 22 minutes. Flights from $204
TYS
McGhee Tyson
CheapestClosest
Average driving time to city center22 min
Flights from $204
Flights from Washington (DCA) to Knoxville (TYS)
Origin airport
Ronald Reagan Washington National
Destination airport
McGhee Tyson
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$120
Distance
435 mi
Average flight time
1 hour 47 mins

Washington to Knoxville Flights

The cheapest times to fly from Washington to Knoxville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Knoxville are during the month of December. You can find some of the cheapest flights from Washington to Knoxville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Knoxville

Sunday is one of the best days to book for cheap flights from Washington to Knoxville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Knoxville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Knoxville in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Knoxville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Knoxville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) cost?
Secure a cheap one-way flight from $55 or cheap return flight from $120 from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
Planning your trip for December is a good way to save, as it's the cheapest month for flights between DCA and TYS. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
Fly nonstop from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) on an American Airlines flight.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from DCA to TYS. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
With, on average, 2 direct flights that operate from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) daily, you'll be on your way in no time.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
The 8 AM departures from DCA to TYS see the highest demand. Prices can be higher for these popular slots. If you want to save on your trip, book during off-peak hours.
What day of the week has the most flights from DCA to TYS?
Friday has the most flights from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS). Consider taking off on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
Hop on the earliest flight at around 8:19AM UTC-5, departing from Ronald Reagan Washington National Airport (DCA). You'll be in the air for around 1h 51m, reaching McGhee Tyson Airport (TYS) at approximately 10:10AM UTC-5.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
The average flight time from DCA to TYS is 1 hour and 51 minutes, covering a total distance of 440 mi.
What airline has the least delays from DCA to TYS?
Consider booking with American Airlines if you'd like to go straight from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) without any interruptions. This airline has the best track record for punctuality, with an on-time performance of 80%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Knoxville from Ronald Reagan Washington National Airport (DCA)?
If you're taking a direct flight from Ronald Reagan Washington National Airport (DCA) to Knoxville, McGhee Tyson Airport (TYS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS) last-minute?
Booking your ticket from DCA to TYS shortly before your trip is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a DCA to TYS flight and hotel package?
You'll typically save money by securing a DCA to TYS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to McGhee Tyson Airport (TYS)?
In most instances, you can modify or cancel your DCA to TYS flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.