Cheap flights from Twin Falls to Washington, D.C. from $517

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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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
$517Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:15 am - 4:11 pmTWF-DCA
7h 56m1 stop
Delta Logo
12:42 pm - 10:24 pmDCA-TWF
11h 42m2 stops
$523Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:22 pm - 11:02 amTWF-DCA
17h 40m2 stops
Delta Logo
12:42 pm - 10:24 pmDCA-TWF
11h 42m2 stops
$626Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:22 pm - 11:02 amTWF-DCA
17h 40m2 stops
Delta Logo
12:42 pm - 10:24 pmDCA-TWF
11h 42m2 stops
$641Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:22 pm - 12:28 amTWF-BWI
31h 06m2 stops
Delta Logo
7:15 am - 2:37 pmBWI-TWF
9h 22m1 stop
$675Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:22 pm - 6:00 amTWF-BWI
12h 38m1 stop
Delta Logo
7:15 am - 2:37 pmBWI-TWF
9h 22m1 stop
$690Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:15 am - 12:28 amTWF-BWI
16h 13m2 stops
Delta Logo
7:15 am - 2:37 pmBWI-TWF
9h 22m1 stop
$695Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
3:23 pm - 11:29 pmTWF-IAD
6h 06m1 stop
Delta Logo
7:10 am - 2:43 pmIAD-TWF
9h 33m1 stop
$707Delta
Find Deal
Fri, Nov 21 - Mon, Nov 24
Delta Logo
3:22 pm - 12:28 amTWF-BWI
31h 06m2 stops
Delta Logo
7:05 am - 10:24 pmBWI-TWF
17h 19m2 stops
$753Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
6:10 am - 6:19 pmTWF-IAD
10h 09m2 stops
Delta Logo
7:10 am - 2:43 pmIAD-TWF
9h 33m1 stop
$773Delta
Find Deal
Fri, Nov 21 - Mon, Nov 24

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

Our best Delta deals on Twin Falls to Washington, D.C. 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
Delta
Oct 4
TWF6:15 amTwin Falls Joslin
7h 56m
1 stop
DCA4:11 pmWashington, D.C. Reagan-National
Oct 7
DCA12:42 pmWashington, D.C. Reagan-National
11h 42m
2 stops
TWF10:24 pmTwin Falls Joslin
Delta
Oct 4
TWF3:22 pmTwin Falls Joslin
17h 40m
2 stops
DCA11:02 amWashington, D.C. Reagan-National
Oct 7
DCA12:42 pmWashington, D.C. Reagan-National
11h 42m
2 stops
TWF10:24 pmTwin Falls Joslin

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 September 17, 2025.
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

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

$517

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

12:42 pm-10:24 pm

2 stops11h 42m

$523

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

3:22 pm-11:02 am

2 stops17h 40m

Washington, D.C. Reagan-National

Tue 10/7

12:42 pm-10:24 pm

2 stops11h 42m

$626

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

3:22 pm-11:02 am

2 stops17h 40m

Washington, D.C. Reagan-National

Tue 10/7

12:42 pm-10:24 pm

2 stops11h 42m

$641

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Sat 10/4

3:22 pm-12:28 am

2 stops31h 06m

Baltimore/Washington

Tue 10/7

7:15 am-2:37 pm

1 stop9h 22m

$675

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Sat 10/4

3:22 pm-6:00 am

1 stop12h 38m

Baltimore/Washington

Tue 10/7

7:15 am-2:37 pm

1 stop9h 22m

$690

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Sat 10/4

6:15 am-12:28 am

2 stops16h 13m

Baltimore/Washington

Tue 10/7

7:15 am-2:37 pm

1 stop9h 22m

$695

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Fri 11/21

3:23 pm-11:29 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Mon 11/24

7:10 am-2:43 pm

1 stop9h 33m

$707

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Sat 10/4

3:22 pm-12:28 am

2 stops31h 06m

Baltimore/Washington

Tue 10/7

7:05 am-10:24 pm

2 stops17h 19m

$753

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Fri 11/21

6:10 am-6:19 pm

2 stops10h 09m

Washington, D.C. Dulles Intl

Mon 11/24

7:10 am-2:43 pm

1 stop9h 33m

$773

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Twin Falls to Washington, D.C. when you can find flight prices for as low as $577. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $707. Of course, these prices can vary depending on the time of year and what airport you fly to.

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.

Direct flights

None
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..
  • 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 06m 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
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.?

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
Fri 10/17
Fri 10/24

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.