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$517+ Cheap flights from Twin Falls (TWF) to District of Columbia

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
TWF — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Twin Falls to District of Columbia

Keep the following information in mind while searching for Twin Falls to District of Columbia flight deals. Data was last updated September 15, 2025.

Round-trip from

$517
(Delta)
From Twin Falls Joslin to District of Columbia
Search Deals

Find flight deals from Twin Falls to District of Columbia

Cheapest flights from Twin Falls to District of Columbia
Explore the most affordable flight options available from Twin Falls to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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 10/46:15 amTWF - DCA
1 stop7h 56mDelta
Tue 10/75:10 pmDCA - TWF
1 stop7h 14mDelta
Deal found 9/14$517
This Delta deal was found by Cheapflights users on 9/15. 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 11/213:23 pmTWF - IAD
1 stop6h 06mDelta
Mon 11/247:10 amIAD - TWF
1 stop9h 33mDelta
Deal found 9/15$707

Cheapflights Fare Finder

 
Customize your flight search to find flights from Twin Falls to District of Columbia 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 September 15, 2025.
Use the filters below to find and compare flights from Twin Falls to District of Columbia that are best for you.

Fly from

Twin Falls

Fly to

District of Columbia

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

6:15 am-4:11 pm

1 stop7h 56m

Washington, D.C. Reagan-National

Tue 10/7

5:10 pm-10:24 pm

1 stop7h 14m

$517

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Fri 11/21

3:23 pm-11:29 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Mon 11/24

7:10 am-2:43 pm

1 stop9h 33m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Twin Falls to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Twin Falls 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.

Cheapflights Insights

Everything you need to know about your flight from Twin Falls to District of Columbia
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Related info for your journey

Find useful and relevant information for your journey from Twin Falls to District of Columbia. 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 from for flights from Twin Falls to District of Columbia?

    Twin Falls Joslin (TWF) is the airport you will fly out of if you book a flight from Twin Falls to District of Columbia. It is only a 5.8 mi journey to Joslin (TWF) from Twin Falls’s city center.

  • How long is the flight from Twin Falls to District of Columbia?

    For as low as $517, Delta can have you in District of Columbia from Twin Falls in 7h 56m. The distance between Twin Falls and District of Columbia is about 1961 mi.

  • Can I find deals for flights from Twin Falls to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Twin Falls to District of Columbia?

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

  • Can I find deals for business class flights from Twin Falls to District of Columbia?

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

  • What is the cheapest month to book a flight from Twin Falls to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Twin Falls to District of Columbia (average of $292). Flying from Twin Falls to District of Columbia in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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