HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$132+ Cheap flights from Reagan-National (DCA) 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — TYS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Knoxville McGhee Tyson are usually found in January or February, booked 90 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Reagan-National to Knoxville

Cheapest flights from Reagan-National to Knoxville
Explore the most affordable flight options available from Reagan-National to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Booking.com deal was found by Cheapflights users on 12/2. 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 12/148:00 amDCA - TYS
1 stop7h 57mFrontier
Mon 12/154:52 pmTYS - DCA
1 stop20h 14mFrontier
Deal found 12/2$251
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/188:30 amDCA - TYS
1 stop7h 17mAmerican Airlines
Sun 12/214:22 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Deal found 12/2$259
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sat 12/66:00 pmDCA - TYS
1 stop21h 57mFrontier
Mon 12/84:52 pmTYS - DCA
1 stop24h 07mFrontier
Deal found 12/2$273
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/118:00 amDCA - TYS
1 stop7h 57mFrontier
Sun 12/144:52 pmTYS - DCA
1 stop20h 14mFrontier
Deal found 12/3$277
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/112:12 pmDCA - TYS
Nonstop1h 42mAmerican Airlines
Tue 12/1611:21 amTYS - DCA
Nonstop1h 36mAmerican Airlines
Deal found 12/2$279
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/32:12 pmDCA - TYS
Nonstop1h 42mAmerican Airlines
Wed 12/1011:21 amTYS - DCA
Nonstop1h 36mAmerican Airlines
Deal found 12/2$301
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/87:48 pmDCA - TYS
Nonstop1h 48mAmerican Airlines
Tue 12/164:32 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Deal found 12/2$304
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/169:03 amDCA - TYS
Nonstop1h 47mAmerican Airlines
Fri 12/264:28 pmTYS - DCA
Nonstop1h 38mAmerican Airlines
Deal found 12/4$308
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/127:48 pmDCA - TYS
Nonstop1h 48mAmerican Airlines
Sun 12/146:00 amTYS - DCA
Nonstop1h 48mAmerican Airlines
Deal found 12/3$309

Find flight deals from Reagan-National to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$143
(American Airlines)

One-way from

$132
(Frontier)

Popular in

December

Cheapest in

January

Average price

$383

Good round-trip deal

$256 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Knoxville McGhee Tyson flights.
Search Deals
From Washington, D.C. Reagan-National to Knoxville McGhee Tyson
Search Deals
One-way flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Knoxville that are best for you.

Fly from

Reagan-National

Fly to

Knoxville

Route

Depart

Return

Price

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 1/8

6:00 pm-11:45 pm

1 stop5h 45m

Knoxville McGhee Tyson

Sun 1/11

5:40 am-9:10 am

1 stop3h 30m

$198

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 2/11

1:59 pm-3:56 pm

Nonstop1h 57m

Knoxville McGhee Tyson

Mon 2/23

4:56 pm-11:50 pm

1 stop6h 54m

$198

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 1/22

8:47 am-10:49 am

Nonstop2h 02m

Knoxville McGhee Tyson

Sun 1/25

2:19 pm-9:30 pm

1 stop7h 11m

$202

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 2/13

1:48 pm-3:41 pm

Nonstop1h 53m

Knoxville McGhee Tyson

Tue 2/17

4:28 pm-6:16 pm

Nonstop1h 48m

$236

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 5/28

9:00 am-3:06 pm

1 stop6h 06m

Knoxville McGhee Tyson

Mon 6/1

7:20 pm-11:23 pm

1 stop4h 03m

$244

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sun 4/5

7:30 am-12:55 pm

1 stop5h 25m

Knoxville McGhee Tyson

Wed 4/8

2:55 pm-8:50 pm

1 stop5h 55m

$254

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 1/1

4:59 pm-8:43 pm

1 stop3h 44m

Knoxville McGhee Tyson

Thu 1/8

4:00 pm-7:36 pm

1 stop3h 36m

$257

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 4/23

8:10 am-10:01 am

Nonstop1h 51m

Knoxville McGhee Tyson

Sun 4/26

7:22 am-8:59 am

Nonstop1h 37m

$263

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 1/8

8:47 am-10:49 am

Nonstop2h 02m

Knoxville McGhee Tyson

Sun 1/11

2:19 pm-9:30 pm

1 stop7h 11m

$263

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 4/3

7:35 pm-11:51 pm

1 stop4h 16m

Knoxville McGhee Tyson

Fri 4/10

5:01 pm-10:42 pm

1 stop5h 41m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 19 results
1
2

Compare providers for flights from Reagan-National 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 Reagan-National to Knoxville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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. Reagan-National Airport-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-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 Reagan-National to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Reagan-National 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. Reagan-National Airport to Knoxville

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Knoxville. Price data was last updated on November 28, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Knoxville, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Knoxville (average of $189). Flying from Washington, D.C. Reagan-National Airport to Knoxville in January is currently the most expensive (average of $258). 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 DCA to TYS?

Find hourly flight availability from Reagan-National 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 December 4, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Knoxville in the evening. Doing so could potentially save you 2% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Knoxville. Price data was last updated on November 29, 2025.

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

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 December 4, 2025.
See what other customers who have flown with American Airlines from Washington, D.C. Reagan-National Airport to Knoxville have to say. 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.
American Airlines
7.2
Good
11,047 reviews

Comfort

7.2

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Comfort

7.2

Overall

7.2

Crew

8.0

Boarding

7.5

Food

6.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    If you book a flight to Knoxville from Washington, D.C. Reagan-National, you will be flying to 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 3 flights from Washington, D.C. Reagan-National to McGhee Tyson per day from 1 airline.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Knoxville?

    Delta and American Airlines can get you from Washington, D.C. Reagan-National Airport to Knoxville in just under 1h 57m. Your travel time can differ by up to 3h 48m. Airlines will cover a distance of 436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Knoxville round-trip?

    According to our current data, American Airlines ($189), offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Knoxville. Users have found that American Airlines is 38% cheaper than the other options available to this destination.

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

    Before booking your flight to Knoxville from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (69%), PSA Airlines (69%), Alaska Airlines( 53%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Knoxville?

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Washington, D.C. Reagan-National - Knoxville McGhee Tyson) can be booked for $198 on average, our data indicates $356 when flying from Washington, D.C. Reagan-National Airport to Knoxville.

  • Can I find deals for flights from Reagan-National to Knoxville that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Knoxville?

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

  • Can I find deals for business class flights from Reagan-National to Knoxville?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Knoxville?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Knoxville (average of $189). Flying from Washington, D.C. Reagan-National Airport to Knoxville in January is currently the most expensive (average of $258). 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
Cherokee
Crossville
Morristown
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Reagan-National to Knoxville

Discover the top airline that operate flights from Reagan-National 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$316FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.