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Cheap flights from Twin Falls to Washington, D.C. from $774

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 - 12:20 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 - 12:20 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 - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
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
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
Delta Logo
1:17 pm - 11:48 pm
TWF
-
IAD
8h 31m
1 stop
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$976Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
12:55 pm - 10:19 pm
IAD
-
TWF
11h 24m
2 stops
$979Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 12:20 am
TWF
-
IAD
9h 03m
2 stops
Delta Logo
12:55 pm - 10:19 pm
IAD
-
TWF
11h 24m
2 stops
$1,002Delta
Tue, Dec 22 - Wed, Dec 30
Delta Logo
1:17 pm - 11:48 pm
TWF
-
IAD
8h 31m
1 stop
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$1,006Delta
Mon, Dec 21 - Thu, Dec 31
Delta Logo
6:16 am - 7:10 pm
TWF
-
IAD
10h 54m
2 stops
Delta Logo
7:15 am - 12:18 pm
IAD
-
TWF
7h 03m
1 stop
$1,012Delta
Mon, Dec 21 - Thu, Dec 31

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Delta flights from Twin Falls to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Twin Falls to Washington, D.C. Dulles Intl Airport flight tickets
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
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
$824
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
$844

momondo Fare Finder

 
Customize your flight search to find flights from Twin Falls to Washington, D.C. Dulles Intl Airport 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 13, 2026.
Use the filters below to find and compare flights from Twin Falls to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest 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 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 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

$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

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
Quickest round-trip

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:48 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

Wed 12/30

7:15 am-12:18 pm

1 stop7h 03m

$976

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

12:55 pm-10:19 pm

2 stops11h 24m

$979

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

12:55 pm-10:19 pm

2 stops11h 24m

$1,002

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Mon 12/21

1:17 pm-11:48 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

Thu 12/31

7:15 am-12:18 pm

1 stop7h 03m

$1,006

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Mon 12/21

6:16 am-7:10 pm

2 stops10h 54m

Washington, D.C. Dulles Intl

Thu 12/31

7:15 am-12:18 pm

1 stop7h 03m

$1,012

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

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

Fastest flight time

9h 03m

Direct flights

None
The fastest flight from Twin Falls to Washington, D.C. Dulles Intl Airport takes 9h 03m
There are no direct flights from Twin Falls to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Twin Falls to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

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

    Washington, D.C. Dulles Intl is 1936.2 mi away from Twin Falls Joslin. Typically, this will take 9h 03m by plane in normal conditions.

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

    Prices for flights from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport.

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

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Twin Falls from Washington, D.C. Dulles Intl Airport. 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. Dulles Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Towson
Manassas
Silver Spring
Colonial Beach
Sterling
Springfield
Tysons
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Twin Falls to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Twin Falls to Washington, D.C.. momondo saves you time and could save you money on your trip.

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.?

momondo helps you find the best flight between Twin Falls and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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