How long is the flight from Washington, D.C. to Twin Falls?

Airlines like Delta fly from Washington, D.C. to Twin Falls in about 17h 30m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1938 mi.

What is the cheapest day to fly from Washington, D.C. to Twin Falls?

Travelers seeking maximum savings on their Washington, D.C. to Twin Falls flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Twin Falls ranges from 0.3 - 1.4 inches per month. May is typically the wettest month, when rainfall can reach 1.4 in. July is typically the driest time to visit Twin Falls when rainfall is around 0.3 in.

If weather is an important factor for your trip to Twin Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 28.4 F).

What are the most popular routes from Washington, D.C. to Twin Falls?

The most popular flight routes from Washington, D.C. to Twin Falls are Washington, D.C. Reagan-National - Twin Falls Joslin, Washington, D.C. Dulles Intl - Twin Falls Joslin and Baltimore/Washington - Twin Falls Joslin.

What is the cheapest day to fly round-trip from Washington, D.C. to Twin Falls?

Flights from Washington, D.C. to Twin Falls are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Twin Falls.

What is the cheapest time of day to fly from WAS to TWF?

When flying from Washington, D.C. to Twin Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

If you book a flight to Twin Falls from Washington, D.C., you will be flying to Joslin, which is the city’s only airport. Twin Falls Joslin (TWF) is located 5.8 mi from the center of Twin Falls. There are 0 flights from Washington, D.C. to Joslin per day from 0 different airlines.

Can I find deals for flights from Washington, D.C. to Twin Falls that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Twin Falls?

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

Can I find deals for business class flights from Washington, D.C. to Twin Falls?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$447+ Flights from Washington, D.C. to Twin Falls

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Cheap flight deals from Washington, D.C. to Twin Falls

Round-trip from	$447 (Delta)

From Washington, D.C. (WAS) to Twin Falls Joslin

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

Sat 12/67:05 amIAD - TWF

1 stop17h 30mDelta

Wed 12/106:00 amTWF - IAD

1 stop15h 31mDelta

Deal found 9/14

$447

Best flights from Washington, D.C. to Twin Falls
Discover carefully curated flight deals from Washington, D.C. to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Sat 12/67:05 amIAD - TWF

1 stop17h 30mDelta

Wed 12/106:00 amTWF - IAD

1 stop15h 31mDelta

Deal found 9/12

$447

Sat 3/75:15 pmDCA - TWF

1 stop7h 04mDelta

Tue 3/106:15 amTWF - DCA

2 stops11h 02mDelta

Deal found 9/14

$503

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Use the filters below to find and compare flights from Washington, D.C. 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-11:31 pm

1 stop15h 31m

$447

Washington, D.C.Twin Falls

DCA - TWF

DCATWF

Washington, D.C. Reagan-National

Sat 3/7

5:15 pm-10:19 pm

1 stop7h 04m

Twin Falls Joslin

Tue 3/10

6:15 am-7:17 pm

2 stops11h 02m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Washington, D.C. to Twin Falls

Have a flexible travel schedule? Discover the best time to fly to Twin Falls from Washington, D.C. with our price prediction graph.

Estimated round-trip price

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What airport do you fly into for flights to Twin Falls from Washington, D.C.?
If you book a flight to Twin Falls from Washington, D.C., you will be flying to Joslin, which is the city’s only airport. Twin Falls Joslin (TWF) is located 5.8 mi from the center of Twin Falls. There are 0 flights from Washington, D.C. to Joslin per day from 0 different airlines.
How long is the flight from Washington, D.C. to Twin Falls?
Airlines like Delta fly from Washington, D.C. to Twin Falls in about 17h 30m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1938 mi.
What are the most popular routes from Washington, D.C. to Twin Falls?
The most popular flight routes from Washington, D.C. to Twin Falls are Washington, D.C. Reagan-National - Twin Falls Joslin, Washington, D.C. Dulles Intl - Twin Falls Joslin and Baltimore/Washington - Twin Falls Joslin.
Can I find deals for flights from Washington, D.C. to Twin Falls that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Twin Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Twin Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Twin Falls.
Can I find deals for business class flights from Washington, D.C. to Twin Falls?
Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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$447+ Cheap flights from Washington, D.C. (WAS) 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.

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Cheapest flights from Washington, D.C. to Twin FallsExplore the most affordable flight options available from Washington, D.C. to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Washington, D.C. to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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Use the filters below to find and compare flights from Washington, D.C. to Twin Falls that are best for you.

Best time to book a flight from Washington, D.C. to Twin Falls

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Everything you need to know about your flight from Washington, D.C. to Twin Falls

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

How long is the flight from Washington, D.C. to Twin Falls?

What are the most popular routes from Washington, D.C. to Twin Falls?

Can I find deals for flights from Washington, D.C. to Twin Falls that include hotel bookings?

How can I find direct flights from Washington, D.C. to Twin Falls?

Can I find deals for business class flights from Washington, D.C. to Twin Falls?

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