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Cheap flights from Twin Falls to Washington, D.C. from $552

This is the cheapest one-way 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 6/6. 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

Enter your travel dates to find the best prices.
Delta Logo
11:37 am - 10:51 pm
TWF
-
DCA
9h 14m
2 stops
Delta Logo
6:00 am - 12:18 pm
DCA
-
TWF
8h 18m
2 stops
$593Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
11:37 am - 10:51 pm
TWF
-
DCA
9h 14m
2 stops
Delta Logo
5:00 pm - 10:19 pm
DCA
-
TWF
7h 19m
1 stop
$634Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
6:16 am - 4:21 pm
TWF
-
DCA
8h 05m
1 stop
Delta Logo
5:00 pm - 10:19 pm
DCA
-
TWF
7h 19m
1 stop
$898Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
6:15 am - 4:49 pm
TWF
-
DCA
8h 34m
1 stop
Delta Logo
5:50 pm - 10:17 pm
DCA
-
TWF
6h 27m
1 stop
$1,022Delta
Sat, Jun 6 - Mon, Jun 8
Delta Logo
6:15 am - 5:27 pm
TWF
-
DCA
9h 12m
2 stops
Delta Logo
5:50 pm - 10:17 pm
DCA
-
TWF
6h 27m
1 stop
$1,028Delta
Sat, Jun 6 - Mon, Jun 8
Delta Logo
6:15 am - 5:27 pm
TWF
-
DCA
9h 12m
2 stops
Delta Logo
3:00 pm - 10:17 pm
DCA
-
TWF
9h 17m
2 stops
$1,033Delta
Sat, Jun 6 - Mon, Jun 8
Delta Logo
6:15 am - 4:49 pm
TWF
-
DCA
8h 34m
1 stop
Delta Logo
5:50 pm - 10:17 pm
DCA
-
TWF
6h 27m
1 stop
$1,122Delta
Sat, Jun 6 - Mon, Jun 8
Delta Logo
6:15 am - 6:59 pm
TWF
-
DCA
10h 44m
2 stops
Delta Logo
5:50 pm - 10:17 pm
DCA
-
TWF
6h 27m
1 stop
$1,128Delta
Sat, Jun 6 - Mon, Jun 8
Delta Logo
11:35 am - 10:59 pm
TWF
-
DCA
9h 24m
2 stops
Delta Logo
6:00 am - 2:34 pm
DCA
-
TWF
10h 34m
2 stops
$1,133Delta
Sat, Jun 6 - Mon, Jun 8

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
Jun 6
TWF6:15 amTwin Falls Joslin
8h 34m
1 stop
DCA4:49 pmWashington, D.C. Reagan-National
Jun 8
DCA5:50 pmWashington, D.C. Reagan-National
6h 27m
1 stop
TWF10:17 pmTwin Falls Joslin
$1,022
Delta
Jun 6
TWF6:15 amTwin Falls Joslin
9h 12m
2 stops
DCA5:27 pmWashington, D.C. Reagan-National
Jun 8
DCA5:50 pmWashington, D.C. Reagan-National
6h 27m
1 stop
TWF10:17 pmTwin Falls Joslin
$1,028
Delta
Jun 6
TWF6:15 amTwin Falls Joslin
9h 12m
2 stops
DCA5:27 pmWashington, D.C. Reagan-National
Jun 8
DCA3:00 pmWashington, D.C. Reagan-National
9h 17m
2 stops
TWF10:17 pmTwin Falls Joslin
$1,033

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 May 27, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 9/24

11:37 am-10:51 pm

2 stops9h 14m

Washington, D.C. Reagan-National

Tue 9/29

6:00 am-12:18 pm

2 stops8h 18m

$593

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 9/24

11:37 am-10:51 pm

2 stops9h 14m

Washington, D.C. Reagan-National

Tue 9/29

5:00 pm-10:19 pm

1 stop7h 19m

$634

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 9/24

6:16 am-4:21 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Tue 9/29

5:00 pm-10:19 pm

1 stop7h 19m

$898
Quickest round-trip

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-4:49 pm

1 stop8h 34m

Washington, D.C. Reagan-National

Mon 6/8

5:50 pm-10:17 pm

1 stop6h 27m

$1,022

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-5:27 pm

2 stops9h 12m

Washington, D.C. Reagan-National

Mon 6/8

5:50 pm-10:17 pm

1 stop6h 27m

$1,028

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-5:27 pm

2 stops9h 12m

Washington, D.C. Reagan-National

Mon 6/8

3:00 pm-10:17 pm

2 stops9h 17m

$1,033

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-4:49 pm

1 stop8h 34m

Washington, D.C. Reagan-National

Mon 6/8

5:50 pm-10:17 pm

1 stop6h 27m

$1,122

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-6:59 pm

2 stops10h 44m

Washington, D.C. Reagan-National

Mon 6/8

5:50 pm-10:17 pm

1 stop6h 27m

$1,128

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

11:35 am-10:59 pm

2 stops9h 24m

Washington, D.C. Reagan-National

Mon 6/8

6:00 am-2:34 pm

2 stops10h 34m

$1,133
Cheapest one-way
Quickest one-way

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 6/6

6:15 am-4:49 pm

1 stop8h 34m

$552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Twin Falls to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Twin Falls Joslin to Washington, D.C. Reagan-National?

Delta is the most popular carrier operating from Twin Falls Joslin to Washington, D.C. Reagan-National

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

Fastest flight time

8h 34m

Direct flights

None
The fastest flight from Twin Falls to Washington, D.C. Reagan-National Airport takes 8h 34m
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.
Search flight deals

Frequently asked questions about flying from Twin Falls to Washington, D.C. Reagan-National Airport

  • 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 8h 34m.

  • 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.

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

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

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.

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