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Cheap flights from Twin Falls to Washington, D.C. from $506

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 9/24. 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
3:26 pm - 11:51 pm
TWF
-
IAD
6h 25m
1 stop
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$506Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
11:37 am - 12:10 am
TWF
-
IAD
10h 33m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$548Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
11:37 am - 12:16 am
TWF
-
BWI
10h 39m
2 stops
Delta Logo
7:10 am - 12:18 pm
BWI
-
TWF
7h 08m
1 stop
$548Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
11:37 am - 12:16 am
TWF
-
BWI
10h 39m
2 stops
Delta Logo
6:00 am - 12:18 pm
BWI
-
TWF
8h 18m
2 stops
$553Delta
Thu, Sep 24 - Tue, Sep 29
Delta Logo
3:26 pm - 11:22 pm
TWF
-
IAD
5h 56m
1 stop
Delta Logo
7:15 am - 2:39 pm
IAD
-
TWF
9h 24m
1 stop
$588Delta
Thu, Sep 24 - Thu, Oct 8
Delta Logo
6:15 am - 4:38 pm
TWF
-
BWI
8h 23m
1 stop
Delta Logo
7:05 am - 2:34 pm
BWI
-
TWF
9h 29m
1 stop
$592Delta
Sat, Jul 4 - Mon, Jul 6
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 - 12:32 am
TWF
-
IAD
10h 55m
2 stops
Delta Logo
7:15 am - 2:39 pm
IAD
-
TWF
9h 24m
1 stop
$594Delta
Thu, Sep 24 - Thu, Oct 8
Delta Logo
11:37 am - 12:32 am
TWF
-
IAD
10h 55m
2 stops
Delta Logo
6:00 am - 2:39 pm
IAD
-
TWF
10h 39m
2 stops
$599Delta
Thu, Sep 24 - Thu, Oct 8
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 flights from Twin Falls to Washington, D.C.

Our best Delta deals on Twin Falls to Washington, D.C. flight tickets
Delta
Sep 24
TWF3:26 pmTwin Falls Joslin
6h 25m
1 stop
IAD11:51 pmWashington, D.C. Dulles Intl
Sep 29
IAD7:15 amWashington, D.C. Dulles Intl
7h 03m
1 stop
TWF12:18 pmTwin Falls Joslin
$506
Delta
Sep 24
TWF11:37 amTwin Falls Joslin
10h 33m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Sep 29
IAD7:15 amWashington, D.C. Dulles Intl
7h 03m
1 stop
TWF12:18 pmTwin Falls Joslin
$548
Delta
Sep 24
TWF11:37 amTwin Falls Joslin
10h 39m
2 stops
BWI12:16 amBaltimore/Washington
Sep 29
BWI6:00 amBaltimore/Washington
8h 18m
2 stops
TWF12:18 pmTwin Falls Joslin
$553

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 May 27, 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
Quickest round-trip

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 9/24

3:26 pm-11:51 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Tue 9/29

7:15 am-12:18 pm

1 stop7h 03m

$506

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 9/24

11:37 am-12:10 am

2 stops10h 33m

Washington, D.C. Dulles Intl

Tue 9/29

7:15 am-12:18 pm

1 stop7h 03m

$548

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 9/24

11:37 am-12:16 am

2 stops10h 39m

Baltimore/Washington

Tue 9/29

7:10 am-12:18 pm

1 stop7h 08m

$548

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 9/24

11:37 am-12:16 am

2 stops10h 39m

Baltimore/Washington

Tue 9/29

6:00 am-12:18 pm

2 stops8h 18m

$553

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 9/24

3:26 pm-11:22 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 10/8

7:15 am-2:39 pm

1 stop9h 24m

$588

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Sat 7/4

6:15 am-4:38 pm

1 stop8h 23m

Baltimore/Washington

Mon 7/6

7:05 am-2:34 pm

1 stop9h 29m

$592

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 - IAD

TWFIAD

Twin Falls Joslin

Thu 9/24

11:37 am-12:32 am

2 stops10h 55m

Washington, D.C. Dulles Intl

Thu 10/8

7:15 am-2:39 pm

1 stop9h 24m

$594

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 9/24

11:37 am-12:32 am

2 stops10h 55m

Washington, D.C. Dulles Intl

Thu 10/8

6:00 am-2:39 pm

2 stops10h 39m

$599

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 00m

Direct flights

None
The fastest flight from Twin Falls to Washington, D.C. takes 6h 00m
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..
Search flight deals

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 00m 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
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.?

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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport