Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Twin Falls to Washington, D.C. from $422

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 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
11:45 am - 10:51 pm
TWF
-
DCA
9h 06m
2 stops
Delta Logo
6:00 am - 2:34 pm
DCA
-
TWF
10h 34m
2 stops
$507Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
11:45 am - 10:59 pm
TWF
-
IAD
9h 14m
2 stops
Delta Logo
7:20 am - 2:34 pm
IAD
-
TWF
9h 14m
1 stop
$528Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
11:45 am - 11:01 pm
TWF
-
BWI
9h 16m
2 stops
Delta Logo
5:40 am - 2:34 pm
BWI
-
TWF
10h 54m
2 stops
$573Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
3:25 pm - 11:40 pm
TWF
-
IAD
6h 15m
1 stop
Delta Logo
7:20 am - 2:34 pm
IAD
-
TWF
9h 14m
1 stop
$588Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
11:45 am - 10:51 pm
TWF
-
DCA
9h 06m
2 stops
Delta Logo
5:12 pm - 10:15 pm
DCA
-
TWF
7h 03m
1 stop
$638Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
11:45 am - 11:01 pm
TWF
-
BWI
9h 16m
2 stops
Delta Logo
7:01 am - 2:34 pm
BWI
-
TWF
9h 33m
1 stop
$718Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
11:45 am - 10:59 pm
TWF
-
IAD
9h 14m
2 stops
Delta Logo
6:01 am - 2:34 pm
IAD
-
TWF
10h 33m
2 stops
$958Delta
Thu, Mar 12 - Sun, Mar 15
Delta Logo
6:15 am - 4:00 pm
TWF
-
DCA
7h 45m
1 stop
Delta Logo
5:12 pm - 10:15 pm
DCA
-
TWF
7h 03m
1 stop
$1,203Delta
Thu, Mar 12 - Sun, Mar 15

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

Our best Delta deals on Twin Falls to Washington, D.C. flight tickets
Delta
Mar 12
TWF11:45 amTwin Falls Joslin
9h 06m
2 stops
DCA10:51 pmWashington, D.C. Reagan-National
Mar 15
DCA6:00 amWashington, D.C. Reagan-National
10h 34m
2 stops
TWF2:34 pmTwin Falls Joslin
$507
Delta
Mar 12
TWF11:45 amTwin Falls Joslin
9h 14m
2 stops
IAD10:59 pmWashington, D.C. Dulles Intl
Mar 15
IAD7:20 amWashington, D.C. Dulles Intl
9h 14m
1 stop
TWF2:34 pmTwin Falls Joslin
$528
Delta
Mar 12
TWF11:45 amTwin Falls Joslin
9h 16m
2 stops
BWI11:01 pmBaltimore/Washington
Mar 15
BWI5:40 amBaltimore/Washington
10h 54m
2 stops
TWF2:34 pmTwin Falls Joslin
$573

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 February 17, 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

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 3/12

11:45 am-10:51 pm

2 stops9h 06m

Washington, D.C. Reagan-National

Sun 3/15

6:00 am-2:34 pm

2 stops10h 34m

$507

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 3/12

11:45 am-10:59 pm

2 stops9h 14m

Washington, D.C. Dulles Intl

Sun 3/15

7:20 am-2:34 pm

1 stop9h 14m

$528

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 3/12

11:45 am-11:01 pm

2 stops9h 16m

Baltimore/Washington

Sun 3/15

5:40 am-2:34 pm

2 stops10h 54m

$573

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 3/12

3:25 pm-11:40 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sun 3/15

7:20 am-2:34 pm

1 stop9h 14m

$588

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 3/12

11:45 am-10:51 pm

2 stops9h 06m

Washington, D.C. Reagan-National

Sun 3/15

5:12 pm-10:15 pm

1 stop7h 03m

$638

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 3/12

11:45 am-11:01 pm

2 stops9h 16m

Baltimore/Washington

Sun 3/15

7:01 am-2:34 pm

1 stop9h 33m

$718

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 3/12

11:45 am-10:59 pm

2 stops9h 14m

Washington, D.C. Dulles Intl

Sun 3/15

6:01 am-2:34 pm

2 stops10h 33m

$958

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 3/12

6:15 am-4:00 pm

1 stop7h 45m

Washington, D.C. Reagan-National

Sun 3/15

5:12 pm-10:15 pm

1 stop7h 03m

$1,203

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 3/12

3:25 pm-11:40 pm

1 stop6h 15m

$422

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 3/12

11:45 am-10:59 pm

2 stops9h 14m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

  • 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
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/19
Thu 3/26
By creating a price alert you accept our terms of use and privacy policy.

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