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$116+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — TYS
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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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 Wednesday

Cheap 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 July 1, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$116
(American Airlines)

Popular in

September

Cheapest in

January

Average price

$311

Good round-trip deal

$249 or less

Good one-way deal

$213 or less
From Washington, D.C. Reagan-National to Knoxville McGhee Tyson
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One-way flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 11% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Knoxville McGhee Tyson.
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Find 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 7/303:59 pmDCA - TYS
Nonstop1h 40mAmerican Airlines
Wed 8/66:27 amTYS - DCA
Nonstop1h 47mAmerican Airlines
Deal found 6/30$189
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 7/308:59 amDCA - TYS
1 stop6h 08mDelta
Fri 8/84:02 pmTYS - DCA
1 stop5h 42mDelta
Deal found 6/30$209
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/118:30 amDCA - TYS
1 stop4h 51mUnited Airlines
Fri 7/257:00 amTYS - DCA
1 stop7h 13mUnited Airlines
Deal found 6/29$239
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amDCA - TYS
1 stop12h 41mFrontier
Sun 9/288:26 pmTYS - DCA
1 stop20h 48mFrontier
Deal found 6/29$281

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 July 1, 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

Wed 7/30

3:59 pm-5:39 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Wed 8/6

6:27 am-8:14 am

Nonstop1h 47m

$189

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 7/30

8:59 am-3:07 pm

1 stop6h 08m

Knoxville McGhee Tyson

Fri 8/8

4:02 pm-9:44 pm

1 stop5h 42m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 7/11

8:30 am-1:21 pm

1 stop4h 51m

Knoxville McGhee Tyson

Fri 7/25

7:00 am-2:13 pm

1 stop7h 13m

$239

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 9/25

7:00 am-7:41 pm

1 stop12h 41m

Knoxville McGhee Tyson

Sun 9/28

8:26 pm-5:14 pm

1 stop20h 48m

$281

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 7/30

8:48 am-10:36 am

Nonstop1h 48m

$116

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 8/28

7:00 am-7:41 pm

1 stop12h 41m

$143

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 7/5

6:00 pm-10:27 pm

1 stop28h 27m

$262

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 9/5

10:11 am-9:58 am

2 stops23h 47m

$302

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 7/11

6:00 am-10:46 am

1 stop4h 46m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 June 27, 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 77 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Knoxville (average of $296). Flying from Washington, D.C. Reagan-National Airport 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 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 July 1, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Knoxville in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying at noon, 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 June 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 evenings 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 July 1, 2025.
See what other customers who have flown with Delta, United Airlines, and 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.
Delta
8.0
Very good
7,974 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,974 reviews
Delta
8.0
Very good
7,974 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,974 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,974 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,289 reviews
Delta
8.0
Very good
7,974 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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 is 1 flight from Washington, D.C. Reagan-National to McGhee Tyson per day from 2 different airlines.

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

    According to our current data, American Airlines ($189), Delta ($209), and United Airlines ($239) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Knoxville. Users have found that American Airlines is 41% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $116. Frontier flights start at $143 while deals on United Airlines start at $302 one-way.

  • 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: Envoy Air (74%), American Airlines (64%), Republic Airways( 63%).

  • 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 $115. While the most popular route (Washington, D.C. Reagan-National - Knoxville McGhee Tyson) can be booked for $209 on average our data indicates $286 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Knoxville (average of $296). Flying from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Reagan-National to Knoxville

Discover the top 2 airlines 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$203Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$393FlexibilityNo cancel feeOn-time69%

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