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Cheap flights from Twin Falls to Washington, D.C. from $477

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Twin Falls to Washington, D.C. departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Twin Falls to Washington, D.C.

Cheap round-trip flights

Delta Logo
6:15 am - 4:11 pmTWF-DCA
7h 56m1 stop
Delta Logo
5:10 pm - 10:24 pmDCA-TWF
7h 14m1 stop
$477Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:15 am - 4:11 pmTWF-DCA
7h 56m1 stop
Delta Logo
6:00 am - 2:37 pmDCA-TWF
10h 37m2 stops
$483Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:22 pm - 11:41 pmTWF-DCA
30h 19m2 stops
Delta Logo
6:59 am - 2:37 pmDCA-TWF
9h 38m2 stops
$516Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:15 am - 4:00 pmTWF-DCA
7h 45m1 stop
Delta Logo
1:45 pm - 10:24 pmDCA-TWF
10h 39m2 stops
$693Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
6:15 am - 6:59 pmTWF-DCA
10h 44m2 stops
Delta Logo
1:45 pm - 10:24 pmDCA-TWF
10h 39m2 stops
$698Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
6:15 am - 4:00 pmTWF-DCA
7h 45m1 stop
Delta Logo
5:10 pm - 10:24 pmDCA-TWF
7h 14m1 stop
$767Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
6:15 am - 6:59 pmTWF-DCA
10h 44m2 stops
Delta Logo
5:10 pm - 10:24 pmDCA-TWF
7h 14m1 stop
$854Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21
Delta Logo
6:15 am - 4:00 pmTWF-DCA
7h 45m1 stop
Delta Logo
5:10 pm - 10:24 pmDCA-TWF
7h 14m1 stop
$1,028Delta
Find Deal
Fri, Oct 17 - Tue, Oct 21

Delta flights from Twin Falls to Washington, D.C. Reagan-National Airport

Our best Delta deals on Twin Falls to Washington, D.C. Reagan-National Airport flight tickets
Delta
Oct 4
TWF6:15 amTwin Falls Joslin
7h 56m
1 stop
DCA4:11 pmWashington, D.C. Reagan-National
Oct 7
DCA5:10 pmWashington, D.C. Reagan-National
7h 14m
1 stop
TWF10:24 pmTwin Falls Joslin
$477
Find similar
Delta
Oct 4
TWF6:15 amTwin Falls Joslin
7h 56m
1 stop
DCA4:11 pmWashington, D.C. Reagan-National
Oct 7
DCA6:00 amWashington, D.C. Reagan-National
10h 37m
2 stops
TWF2:37 pmTwin Falls Joslin
$483
Find similar
Delta
Oct 4
TWF3:22 pmTwin Falls Joslin
30h 19m
2 stops
DCA11:41 pmWashington, D.C. Reagan-National
Oct 7
DCA6:59 amWashington, D.C. Reagan-National
9h 38m
2 stops
TWF2:37 pmTwin Falls Joslin
$516
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Twin Falls to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 25, 2025.
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

Fly to

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

6:15 am-4:11 pm

1 stop7h 56m

Washington, D.C. Reagan-National

Tue 10/7

5:10 pm-10:24 pm

1 stop7h 14m

$477

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

6:15 am-4:11 pm

1 stop7h 56m

Washington, D.C. Reagan-National

Tue 10/7

6:00 am-2:37 pm

2 stops10h 37m

$483

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

3:22 pm-11:41 pm

2 stops30h 19m

Washington, D.C. Reagan-National

Tue 10/7

6:59 am-2:37 pm

2 stops9h 38m

$516

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Fri 10/17

6:15 am-4:00 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Tue 10/21

1:45 pm-10:24 pm

2 stops10h 39m

$693

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Fri 10/17

6:15 am-6:59 pm

2 stops10h 44m

Washington, D.C. Reagan-National

Tue 10/21

1:45 pm-10:24 pm

2 stops10h 39m

$698

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Fri 10/17

6:15 am-4:00 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Tue 10/21

5:10 pm-10:24 pm

1 stop7h 14m

$767

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Fri 10/17

6:15 am-6:59 pm

2 stops10h 44m

Washington, D.C. Reagan-National

Tue 10/21

5:10 pm-10:24 pm

1 stop7h 14m

$854

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Fri 10/17

6:15 am-4:00 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Tue 10/21

5:10 pm-10:24 pm

1 stop7h 14m

$1,028

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Twin Falls to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Twin Falls to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Twin Falls to Washington, D.C. Reagan-National Airport (TWF to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Twin Falls to Washington, D.C. Reagan-National Airport

Direct flights

None
There are no direct flights from Twin Falls to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Twin Falls to Washington, D.C. Reagan-National Airport.
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  • How far is Twin Falls Joslin to Washington, D.C. Reagan-National by plane?

    The distance between Twin Falls Joslin and Washington, D.C. Reagan-National is about 1959.3 mi. By plane, this route typically takes 7h 45m.

  • When did momondo last update prices for flights from Twin Falls Joslin Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Twin Falls Joslin Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Twin Falls Joslin Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Twin Falls Joslin Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Twin Falls to Washington, D.C. Reagan-National Airport?

    Price Alerts will notify you by email when the price for flights to Washington, D.C. Reagan-National Airport from Twin Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Twin Falls to Washington, D.C. Reagan-National Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Twin Falls to Washington, D.C.?

It is quick and easy to find Twin Falls to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Twin Falls to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Twin Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Twin Falls to Washington, D.C.?

momondo helps you find the best flight between Twin Falls and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Twin Falls to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Twin Falls and alert you when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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