Cheap flights from Twin Falls to Washington, D.C. from $408

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 5/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:15 am - 6:35 pm
TWF
-
DCA
10h 20m
2 stops
Delta Logo
8:00 am - 6:41 pm
DCA
-
TWF
12h 41m
2 stops
$517Delta
Tue, May 5 - Sat, May 9
Delta Logo
6:15 am - 6:17 pm
TWF
-
BWI
10h 02m
2 stops
Delta Logo
7:00 am - 6:41 pm
BWI
-
TWF
13h 41m
2 stops
$517Delta
Tue, May 5 - Sat, May 9
Delta Logo
6:15 am - 4:00 pm
TWF
-
DCA
7h 45m
1 stop
Delta Logo
7:45 am - 6:41 pm
DCA
-
TWF
12h 56m
2 stops
$522Delta
Sat, May 2 - Sat, May 9
Delta Logo
1:17 pm - 10:50 pm
TWF
-
DCA
7h 33m
2 stops
Delta Logo
7:45 am - 6:41 pm
DCA
-
TWF
12h 56m
2 stops
$527Delta
Sat, May 2 - Sat, May 9
Delta Logo
6:15 am - 5:57 pm
TWF
-
IAD
9h 42m
2 stops
Delta Logo
8:05 am - 6:41 pm
IAD
-
TWF
12h 36m
2 stops
$563Delta
Tue, May 5 - Sat, May 9
Delta Logo
3:25 pm - 11:44 pm
TWF
-
IAD
6h 19m
1 stop
Delta Logo
12:37 pm - 10:14 pm
IAD
-
TWF
11h 37m
2 stops
$604Delta
Thu, Apr 16 - Mon, Apr 20
Delta Logo
11:45 am - 10:50 pm
TWF
-
DCA
9h 05m
2 stops
Delta Logo
5:10 pm - 10:14 pm
DCA
-
TWF
7h 04m
1 stop
$604Delta
Thu, Apr 16 - Mon, Apr 20
Delta Logo
11:45 am - 11:03 pm
TWF
-
IAD
9h 18m
2 stops
Delta Logo
12:37 pm - 10:14 pm
IAD
-
TWF
11h 37m
2 stops
$609Delta
Thu, Apr 16 - Mon, Apr 20
Delta Logo
11:45 am - 10:50 pm
TWF
-
DCA
9h 05m
2 stops
Delta Logo
12:25 pm - 10:14 pm
DCA
-
TWF
11h 49m
2 stops
$609Delta
Thu, Apr 16 - Mon, Apr 20
Delta Logo
1:17 pm - 11:44 pm
TWF
-
IAD
8h 27m
1 stop
Delta Logo
8:05 am - 6:41 pm
IAD
-
TWF
12h 36m
2 stops
$708Delta
Sat, May 2 - Sat, May 9

Delta flights from Twin Falls to Washington, D.C.

Our best Delta deals on Twin Falls to Washington, D.C. flight tickets
Delta
May 5
TWF6:15 amTwin Falls Joslin
10h 02m
2 stops
BWI6:17 pmBaltimore/Washington
May 9
BWI7:00 amBaltimore/Washington
13h 41m
2 stops
TWF6:41 pmTwin Falls Joslin
$517
Delta
May 2
TWF6:15 amTwin Falls Joslin
7h 45m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
May 9
DCA7:45 amWashington, D.C. Reagan-National
12h 56m
2 stops
TWF6:41 pmTwin Falls Joslin
$522
Delta
May 2
TWF1:17 pmTwin Falls Joslin
7h 33m
2 stops
DCA10:50 pmWashington, D.C. Reagan-National
May 9
DCA7:45 amWashington, D.C. Reagan-National
12h 56m
2 stops
TWF6:41 pmTwin Falls Joslin
$527

momondo Fare Finder

 
Customize your flight search to find flights from Twin Falls to Washington, D.C. 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 April 4, 2026.
Use the filters below to find and compare flights from Twin Falls to Washington, D.C. 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

Tue 5/5

6:15 am-6:35 pm

2 stops10h 20m

Washington, D.C. Reagan-National

Sat 5/9

8:00 am-6:41 pm

2 stops12h 41m

$517

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Tue 5/5

6:15 am-6:17 pm

2 stops10h 02m

Baltimore/Washington

Sat 5/9

7:00 am-6:41 pm

2 stops13h 41m

$517

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 5/2

6:15 am-4:00 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Sat 5/9

7:45 am-6:41 pm

2 stops12h 56m

$522

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 5/2

1:17 pm-10:50 pm

2 stops7h 33m

Washington, D.C. Reagan-National

Sat 5/9

7:45 am-6:41 pm

2 stops12h 56m

$527

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 5/5

6:15 am-5:57 pm

2 stops9h 42m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$563

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 4/16

3:25 pm-11:44 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Mon 4/20

12:37 pm-10:14 pm

2 stops11h 37m

$604
Quickest round-trip

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 4/16

11:45 am-10:50 pm

2 stops9h 05m

Washington, D.C. Reagan-National

Mon 4/20

5:10 pm-10:14 pm

1 stop7h 04m

$604

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 4/16

11:45 am-11:03 pm

2 stops9h 18m

Washington, D.C. Dulles Intl

Mon 4/20

12:37 pm-10:14 pm

2 stops11h 37m

$609

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 4/16

11:45 am-10:50 pm

2 stops9h 05m

Washington, D.C. Reagan-National

Mon 4/20

12:25 pm-10:14 pm

2 stops11h 49m

$609

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Sat 5/2

1:17 pm-11:44 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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.

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.?

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

When to book flights from Twin Falls to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Twin Falls to Washington, D.C. 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. (TWF to WAS) flight deals and tips

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

Fastest flight time

6h 19m

Direct flights

None
The fastest flight from Twin Falls to Washington, D.C. takes 6h 19m
There are no direct flights from Twin Falls to Washington, D.C.. There are no popular flight routes from Twin Falls to Washington, D.C..

Frequently asked questions about flying from Twin Falls to Washington, D.C.

  • How far is Twin Falls Joslin to Washington, D.C. by plane?

    There are 1958.2 mi between Twin Falls Joslin and Washington, D.C.. 6h 19m is a normal flight duration for this route.

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

    Prices for flights from Twin Falls Joslin Airport to Washington, D.C. are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Twin Falls Joslin Airport to Washington, D.C..

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

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
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.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Twin Falls.

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

Yes. momondo can track prices for Twin Falls to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Mon 5/4
Mon 5/11

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.