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Twin Falls

$447+ Cheap flights from Dulles Intl (IAD) to Twin Falls (TWF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — TWF
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Dulles Intl to Twin Falls

Cheapest flights from Dulles Intl to Twin Falls
Explore the most affordable flight options available from Dulles Intl to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:05 amIAD - TWF
1 stop17h 30mDelta
Wed 12/106:00 amTWF - IAD
1 stop15h 29mDelta
Deal found 10/26$447
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:11 amIAD - TWF
2 stops10h 16mDelta
Sun 11/23:20 pmTWF - IAD
1 stop6h 13mDelta
Deal found 10/27$692

Cheap flight deals from Dulles Intl to Twin Falls

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Twin Falls (TWF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$447
(Delta)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Twin Falls Joslin flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Twin Falls Joslin flights.
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From Washington, D.C. Dulles Intl to Twin Falls Joslin
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 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

Dulles Intl

Fly to

Twin Falls

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

Sun 11/2

12:09 pm-10:24 pm

2 stops12h 15m

$629

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

Sat 11/1

9:00 am-6:27 pm

2 stops11h 27m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Dulles Intl to Twin Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Twin Falls in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Twin Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Twin Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Twin Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Twin Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Twin Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Twin Falls

Have a flexible travel schedule? Discover the best time to fly to Twin Falls from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Twin Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Twin Falls from Washington, D.C. Dulles Intl?

    Twin Falls Joslin (TWF) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Twin Falls. You should not have trouble finding flights to Joslin from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Twin Falls airport from Washington, D.C. Dulles Intl. It is only a 5.8 mi journey from Joslin (TWF) to Twin Falls’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Twin Falls?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Twin Falls in 17h 30m. Fly via Delta to get the fastest option. Washington, D.C. Dulles Intl Airport and Twin Falls are separated by a distance of 1938 mi.

  • Can I find deals for flights from Dulles Intl to Twin Falls that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Twin Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Twin Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Twin Falls.

  • Can I find deals for business class flights from Dulles Intl to Twin Falls?

    Yes. Cheapflights offers flight deals from Dulles Intl to Twin Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Twin Falls?

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Burley
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