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Cheap flights from Washington, D.C. Dulles Intl Airport to Twin Falls from $447

This is the cheapest round-trip 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 12/6. 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
7:05 am - 10:35 pmIAD-TWF
17h 30m1 stop
Delta Logo
6:00 am - 11:29 pmTWF-IAD
15h 29m1 stop
$447Delta
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
7:05 am - 10:35 pmIAD-TWF
17h 30m1 stop
Delta Logo
6:00 am - 11:08 pmTWF-IAD
15h 08m2 stops
$452Delta
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
9:00 am - 10:35 pmIAD-TWF
15h 35m2 stops
Delta Logo
6:00 am - 11:08 pmTWF-IAD
15h 08m2 stops
$457Delta
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
7:05 am - 12:20 pmIAD-TWF
7h 15m1 stop
Delta Logo
1:15 pm - 11:08 pmTWF-IAD
7h 53m2 stops
$1,674Delta
Find Deal
Sun, Dec 28 - Fri, Jan 2
Delta Logo
12:32 pm - 10:11 pmIAD-TWF
11h 39m2 stops
Delta Logo
1:15 pm - 11:08 pmTWF-IAD
7h 53m2 stops
$1,679Delta
Find Deal
Sun, Dec 28 - Fri, Jan 2
Delta Logo
7:05 am - 12:20 pmIAD-TWF
7h 15m1 stop
Delta Logo
1:15 pm - 11:18 pmTWF-IAD
8h 03m1 stop
$1,958Delta
Find Deal
Sun, Dec 28 - Fri, Jan 2

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
Dec 6
IAD7:05 amWashington, D.C. Dulles Intl
17h 30m
1 stop
TWF10:35 pmTwin Falls Joslin
Dec 10
TWF6:00 amTwin Falls Joslin
15h 29m
1 stop
IAD11:29 pmWashington, D.C. Dulles Intl
$447
Find similar
Delta
Dec 6
IAD7:05 amWashington, D.C. Dulles Intl
17h 30m
1 stop
TWF10:35 pmTwin Falls Joslin
Dec 10
TWF6:00 amTwin Falls Joslin
15h 08m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
$452
Find similar
Delta
Dec 6
IAD9:00 amWashington, D.C. Dulles Intl
15h 35m
2 stops
TWF10:35 pmTwin Falls Joslin
Dec 10
TWF6:00 amTwin Falls Joslin
15h 08m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
$457
Find similar

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 November 6, 2025.
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

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 12/6

7:05 am-10:35 pm

1 stop17h 30m

Twin Falls Joslin

Wed 12/10

6:00 am-11:29 pm

1 stop15h 29m

$447

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 12/6

7:05 am-10:35 pm

1 stop17h 30m

Twin Falls Joslin

Wed 12/10

6:00 am-11:08 pm

2 stops15h 08m

$452

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 12/6

9:00 am-10:35 pm

2 stops15h 35m

Twin Falls Joslin

Wed 12/10

6:00 am-11:08 pm

2 stops15h 08m

$457

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 12/28

7:05 am-12:20 pm

1 stop7h 15m

Twin Falls Joslin

Fri 1/2

1:15 pm-11:08 pm

2 stops7h 53m

$1,674

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 12/28

12:32 pm-10:11 pm

2 stops11h 39m

Twin Falls Joslin

Fri 1/2

1:15 pm-11:08 pm

2 stops7h 53m

$1,679

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sun 12/28

7:05 am-12:20 pm

1 stop7h 15m

Twin Falls Joslin

Fri 1/2

1:15 pm-11:18 pm

1 stop8h 03m

$1,958

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 12/27

12:32 pm-10:11 pm

2 stops11h 39m

$1,100

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 12/27

7:05 am-12:20 pm

1 stop7h 15m

$1,425

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 day to depart on your flight to Twin Falls?

According to our data, Monday is the cheapest day to fly to Twin Falls from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Monday departure recently was $655. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $698. These prices are subject to change though, so be sure to set up a Price Alert for flights to Twin Falls.

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

Direct flights

None
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.
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  • 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 7h 15m.

  • 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
Burley
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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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