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Cheap flights from Twin Falls to Washington, D.C. from $696

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 12/22. 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
1 adult, Economy, 0 bags

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
1:17 pm - 12:26 am
TWF
-
BWI
9h 09m
2 stops
Delta Logo
7:10 am - 12:18 pm
BWI
-
TWF
7h 08m
1 stop
$696Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:26 am
TWF
-
BWI
9h 09m
2 stops
Delta Logo
7:10 am - 12:18 pm
BWI
-
TWF
7h 08m
1 stop
$772Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$774Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:26 am
TWF
-
BWI
9h 09m
2 stops
Delta Logo
7:10 am - 12:18 pm
BWI
-
TWF
7h 08m
1 stop
$819Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$824Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:26 am
TWF
-
BWI
9h 09m
2 stops
Delta Logo
7:10 am - 12:18 pm
BWI
-
TWF
7h 08m
1 stop
$844Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
6:16 am - 6:05 pm
TWF
-
IAD
9h 49m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$870Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
6:16 am - 6:05 pm
TWF
-
IAD
9h 49m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$894Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$944Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$954Delta
Tue, Dec 22 - Wed, Dec 30

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

Our best Delta deals on Twin Falls to Washington, D.C. flight tickets
Delta
Dec 22
TWF1:17 pmTwin Falls Joslin
9h 09m
2 stops
BWI12:26 amBaltimore/Washington
Dec 30
BWI7:10 amBaltimore/Washington
7h 08m
1 stop
TWF12:18 pmTwin Falls Joslin
$696
Delta
Dec 22
TWF1:17 pmTwin Falls Joslin
9h 09m
2 stops
BWI12:26 amBaltimore/Washington
Dec 30
BWI7:10 amBaltimore/Washington
7h 08m
1 stop
TWF12:18 pmTwin Falls Joslin
$772
Delta
Dec 22
TWF1:17 pmTwin Falls Joslin
9h 03m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
Dec 30
IAD7:15 amWashington, D.C. Dulles Intl
7h 03m
1 stop
TWF12:18 pmTwin Falls Joslin
$774

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 July 11, 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 FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Tue 12/22

1:17 pm-12:26 am

2 stops9h 09m

Baltimore/Washington

Wed 12/30

7:10 am-12:18 pm

1 stop7h 08m

$696

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Tue 12/22

1:17 pm-12:26 am

2 stops9h 09m

Baltimore/Washington

Wed 12/30

7:10 am-12:18 pm

1 stop7h 08m

$772
Quickest round-trip

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-12:20 am

2 stops9h 03m

Washington, D.C. Dulles Intl

Wed 12/30

7:15 am-12:18 pm

1 stop7h 03m

$774

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Mon 12/21

1:17 pm-12:26 am

2 stops9h 09m

Baltimore/Washington

Thu 12/31

7:10 am-12:18 pm

1 stop7h 08m

$819

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-12:20 am

2 stops9h 03m

Washington, D.C. Dulles Intl

Wed 12/30

7:15 am-12:18 pm

1 stop7h 03m

$824

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Tue 12/22

1:17 pm-12:26 am

2 stops9h 09m

Baltimore/Washington

Wed 12/30

7:10 am-12:18 pm

1 stop7h 08m

$844

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Mon 12/21

6:16 am-6:05 pm

2 stops9h 49m

Washington, D.C. Dulles Intl

Thu 12/31

7:15 am-12:18 pm

1 stop7h 03m

$870

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Mon 12/21

6:16 am-6:05 pm

2 stops9h 49m

Washington, D.C. Dulles Intl

Thu 12/31

7:15 am-12:18 pm

1 stop7h 03m

$894

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-12:20 am

2 stops9h 03m

Washington, D.C. Dulles Intl

Wed 12/30

7:15 am-12:18 pm

1 stop7h 03m

$944

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-12:20 am

2 stops9h 03m

Washington, D.C. Dulles Intl

Wed 12/30

7:15 am-12:18 pm

1 stop7h 03m

$954

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

8h 01m

Direct flights

None
The fastest flight from Twin Falls to Washington, D.C. takes 8h 01m
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.. 8h 01m 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.

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

  • How do I get Price Alerts for flights from Twin Falls to Washington, D.C.?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Twin Falls from Washington, D.C.. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Twin Falls to Washington, D.C. with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Tysons
Springfield
Fairfax
Bethesda
Edgewood

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