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Cheap flights from Washington, D.C. Dulles Intl Airport to Twin Falls from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Twin Falls departing on 6/7. 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 Washington, D.C. Dulles Intl Airport to Twin Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 2:38 pm
IAD
-
TWF
9h 08m
1 stop
Delta Logo
3:25 pm - 11:32 pm
TWF
-
IAD
6h 07m
1 stop
$598Delta
Sat, May 30 - Wed, Jun 3
Delta Logo
7:30 am - 2:38 pm
IAD
-
TWF
9h 08m
1 stop
Delta Logo
6:15 am - 6:43 pm
TWF
-
IAD
10h 28m
2 stops
$604Delta
Sat, May 30 - Wed, Jun 3
Delta Logo
6:00 am - 2:38 pm
IAD
-
TWF
10h 38m
2 stops
Delta Logo
6:15 am - 9:24 pm
TWF
-
IAD
13h 09m
2 stops
$609Delta
Sat, May 30 - Wed, Jun 3

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Twin Falls flight tickets
Delta
May 30
IAD7:30 amWashington, D.C. Dulles Intl
9h 08m
1 stop
TWF2:38 pmTwin Falls Joslin
Jun 3
TWF3:25 pmTwin Falls Joslin
6h 07m
1 stop
IAD11:32 pmWashington, D.C. Dulles Intl
$598
Delta
May 30
IAD7:30 amWashington, D.C. Dulles Intl
9h 08m
1 stop
TWF2:38 pmTwin Falls Joslin
Jun 3
TWF6:15 amTwin Falls Joslin
10h 28m
2 stops
IAD6:43 pmWashington, D.C. Dulles Intl
$604
Delta
May 30
IAD6:00 amWashington, D.C. Dulles Intl
10h 38m
2 stops
TWF2:38 pmTwin Falls Joslin
Jun 3
TWF6:15 amTwin Falls Joslin
13h 09m
2 stops
IAD9:24 pmWashington, D.C. Dulles Intl
$609

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Twin Falls 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 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Twin Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 5/30

7:30 am-2:38 pm

1 stop9h 08m

Twin Falls Joslin

Wed 6/3

3:25 pm-11:32 pm

1 stop6h 07m

$598

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 5/30

7:30 am-2:38 pm

1 stop9h 08m

Twin Falls Joslin

Wed 6/3

6:15 am-6:43 pm

2 stops10h 28m

$604

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 5/30

6:00 am-2:38 pm

2 stops10h 38m

Twin Falls Joslin

Wed 6/3

6:15 am-9:24 pm

2 stops13h 09m

$609
Cheapest one-way

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 6/7

11:07 am-12:00 pm

2 stops26h 53m

$291

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 6/7

9:12 am-12:00 pm

1 stop28h 48m

$333

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 6/7

12:43 pm-12:00 pm

3 stops25h 17m

$399

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Tue 5/26

6:00 am-2:38 pm

2 stops10h 38m

$558
Quickest one-way

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Tue 5/26

7:30 am-2:38 pm

1 stop9h 08m

$844

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Twin Falls from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Twin Falls

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 Washington, D.C. Dulles Intl to Twin Falls Joslin?

Delta is the most popular carrier operating from Washington, D.C. Dulles Intl to Twin Falls Joslin

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Twin Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Twin Falls (IAD to TWF) flight deals and tips

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

Fastest flight time

9h 08m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Twin Falls takes 9h 08m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Twin Falls. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Twin Falls.
Search flight deals

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

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

    The straight-line distance from Washington, D.C. Dulles Intl to Twin Falls Joslin is 1936.2 mi. By plane, this route typically takes 9h 08m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Twin Falls Joslin Airport were last updated today.

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

  • What documentation or ID do you need to fly to Twin Falls Joslin Airport?

    The required travel and health documents for your Twin Falls Joslin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Twin Falls Joslin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Twin Falls?

Book flights to Twin Falls if you plan to visit one of these locations
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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Twin Falls from Washington, D.C..

Can I find flights from Washington, D.C. to Twin Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Twin Falls from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Twin Falls?

Once you have performed a search for Washington, D.C. to Twin Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Twin Falls right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Twin Falls, momondo offers a useful price alert feature which will track prices for flights to Twin Falls from Washington, D.C. and alert you when they change.

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