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Reagan-National

$100+ Cheap flights from Knoxville (TYS) to Reagan-National (DCA)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DCA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Washington, D.C. Reagan-National are usually found in September or November, booked 59 days in advance, depart on a Wednesday or Saturday and return on a Saturday

Cheap flight deals from Knoxville to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Reagan-National (DCA). 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 29, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$100
(Delta)

Popular in

October

Cheapest in

September

Average price

$359

Good round-trip deal

$274 or less

Good one-way deal

$100 or less
From Knoxville McGhee Tyson to Washington, D.C. Reagan-National
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One-way flight from Knoxville McGhee Tyson to Washington, D.C. Reagan-National
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 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 Knoxville McGhee Tyson to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Washington, D.C. Reagan-National.
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Find flight deals from Knoxville to Reagan-National

Cheapest flights from Knoxville to Reagan-National
Explore the most affordable flight options available from Knoxville to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 10/246:03 amTYS - DCA
Nonstop1h 42mAmerican Airlines
Tue 10/288:19 amDCA - TYS
Nonstop1h 54mAmerican Airlines
Deal found 7/27$189
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:45 amTYS - DCA
1 stop5h 35mDelta
Sat 8/3012:29 pmDCA - TYS
1 stop5h 53mDelta
Deal found 7/28$204
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:00 amTYS - DCA
1 stop7h 13mUnited Airlines
Mon 8/183:30 pmDCA - TYS
1 stop7h 05mUnited Airlines
Deal found 7/28$214
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Mon 9/228:35 pmTYS - DCA
1 stop20h 24mFrontier
Sat 9/276:00 pmDCA - TYS
1 stop22h 18mFrontier
Deal found 7/29$235

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Reagan-National 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 29, 2025.
Use the filters below to find and compare flights from Knoxville to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Knoxville

Fly to

Reagan-National

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 10/24

6:03 am-7:45 am

Nonstop1h 42m

Washington, D.C. Reagan-National

Tue 10/28

8:19 am-10:13 am

Nonstop1h 54m

$189

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 8/27

5:45 am-11:20 am

1 stop5h 35m

Washington, D.C. Reagan-National

Sat 8/30

12:29 pm-6:22 pm

1 stop5h 53m

$204

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 8/15

7:00 am-2:13 pm

1 stop7h 13m

Washington, D.C. Reagan-National

Mon 8/18

3:30 pm-10:35 pm

1 stop7h 05m

$214

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Mon 9/22

8:35 pm-4:59 pm

1 stop20h 24m

Washington, D.C. Reagan-National

Sat 9/27

6:00 pm-4:18 pm

1 stop22h 18m

$235

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 8/30

6:14 pm-10:46 pm

1 stop4h 32m

$100

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 8/26

5:19 pm-6:59 pm

Nonstop1h 40m

$116

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Mon 10/27

8:22 pm-9:59 pm

1 stop25h 37m

$127

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Tue 8/26

7:00 am-5:21 pm

2 stops10h 21m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Knoxville to Reagan-National

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

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Reagan-National. Price data was last updated on July 25, 2025.

The best time to book flights from Knoxville to Washington, D.C. Reagan-National Airport is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Knoxville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 TYS to DCA?

Find hourly flight availability from Knoxville to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s optimal to fly from Knoxville to Washington, D.C. Reagan-National Airport at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated July 29, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
3,238 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

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 Knoxville to Reagan-National. 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 from for flights from Knoxville to Washington, D.C. Reagan-National?

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

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

    According to our current data, American Airlines ($189), Delta ($204), and United Airlines ($214) offers the cheapest pricing from Knoxville to Washington, D.C. Reagan-National Airport. You may be able to fly from Knoxville to Washington, D.C. Reagan-National Airport for 37% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $100. Users have also found prices from $116 and $127 on American Airlines and Frontier, respectively.

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

    Before booking your flight to Washington, D.C. Reagan-National Airport from Knoxville, check out the most reliable airlines to get you to your destination on time: Envoy Air (80%), Alaska Airlines (76%), American Airlines( 70%).

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

    On average you can expect to pay $259 for a flight from Knoxville to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $100 while the most popular route, (Knoxville McGhee Tyson - Washington, D.C. Reagan-National) is currently priced at $204.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Reagan-National 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 Knoxville to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. Reagan-National Airport (average of $278). Flying from Knoxville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk

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Top airline flying from Knoxville to Reagan-National

Discover the top airline that operate flights from Knoxville to Reagan-National. 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$301FlexibilityNo cancel feeOn-time71%

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