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Reagan-National

$442+ Cheap flights from Twin Falls (TWF) 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — DCA
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Twin Falls to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Twin Falls (TWF) 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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$564
(Delta)
Provider with most accurate pricing for Twin Falls Joslin-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Twin Falls Joslin-Washington, D.C. (WAS) flights.
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From Twin Falls Joslin to Washington, D.C. Reagan-National
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Find flight deals from Twin Falls to Reagan-National

Cheapest flights from Twin Falls to Reagan-National
Explore the most affordable flight options available from Twin Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This Delta deal was found by Cheapflights users on 1/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/206:10 amTWF - DCA
2 stops10h 17mDelta
Sat 1/245:10 pmDCA - TWF
1 stop7h 39mDelta
Deal found 1/4$564
This Delta deal was found by Cheapflights users on 1/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/186:10 amTWF - DCA
1 stop7h 50mDelta
Wed 1/215:10 pmDCA - TWF
1 stop7h 39mDelta
Deal found 1/4$884

Cheapflights Fare Finder

 
Customize your flight search to find flights from Twin Falls 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 January 6, 2026.
Use the filters below to find and compare flights from Twin Falls to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Twin Falls

Fly to

Reagan-National

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Tue 1/20

6:10 am-6:27 pm

2 stops10h 17m

Washington, D.C. Reagan-National

Sat 1/24

5:10 pm-10:49 pm

1 stop7h 39m

$564

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sun 1/18

6:10 am-4:00 pm

1 stop7h 50m

Washington, D.C. Reagan-National

Wed 1/21

5:10 pm-10:49 pm

1 stop7h 39m

$884

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Wed 1/21

6:10 am-4:00 pm

1 stop7h 50m

$442

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sun 2/1

6:00 am-6:27 pm

2 stops10h 27m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Best time to book a flight from Twin Falls to Reagan-National

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

Related info for your journey

Find useful and relevant information for your journey from Twin Falls 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 Twin Falls to Washington, D.C. Reagan-National?

    For a flight from Twin Falls to Washington, D.C. Reagan-National, you will be flying from Joslin. Twin Falls Joslin (TWF) is just 5.8 mi from the center of the city. Joslin is the only Twin Falls airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Twin Falls Joslin on a regular basis.

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

    Departing from Twin Falls to Washington, D.C. Reagan-National Airport will take you 10h 17m. The distance between Twin Falls and Washington, D.C. Reagan-National Airport is about 1961 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Twin Falls 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.

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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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