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 is the cheapest time of day to fly from IAD to TWF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Twin Falls as you normally would.

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.

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.

$443+ Flights from Washington, D.C. Dulles Intl Airport to Twin Falls

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Cheap flight deals from Dulles Intl to Twin Falls

Round-trip from	$477 (Delta)

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

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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 julio 28, 2025.

sáb. 12/67:20 amIAD - TWF

1 stop16h 58mDelta

mié. 12/103:20 pmTWF - IAD

1 stop6h 29mDelta

Deal found 7/27

$443

Best flights from Dulles Intl to Twin Falls
Discover carefully curated flight deals from Dulles Intl to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 28, 2025.

mié. 9/107:30 amIAD - TWF

1 stop9h 08mDelta

mié. 9/173:22 pmTWF - IAD

1 stop6h 11mDelta

Deal found 7/27

$477

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Washington, D.C.Twin Falls

IAD - TWF

IADTWF

Washington, D.C. Dulles Intl

sáb. 12/6

7:20 am-10:18 pm

1 stop16h 58m

Twin Falls Joslin

mié. 12/10

3:20 pm-11:49 pm

1 stop6h 29m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing Twin Falls

Read reviews from past customers who have flown Delta from Washington, D.C. Dulles Intl Airport to Twin Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,975 reviews

Delta

8.0

Very good

7,975 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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.
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.

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$443+ 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.

Find cheap flights from Dulles Intl to Twin Falls with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Twin Falls

Round-trip from

Find flight deals from Dulles Intl to Twin Falls

Cheapest flights from Dulles Intl to Twin FallsExplore 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 julio 28, 2025.

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 julio 28, 2025.

Cheapflights Fare Finder

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

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.

Reviews of airlines servicing Twin Falls

Read reviews from past customers who have flown Delta from Washington, D.C. Dulles Intl Airport to Twin Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

Traveling to a place near Twin Falls?

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Alternative routes for Dulles Intl to Twin Falls

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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 julio 28, 2025.