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 $241). Flying from Twin Falls to District of Columbia in March is currently the most expensive (average of $290). 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.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

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

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.

$443+ Flights from Twin Falls to District of Columbia

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Cheap flight deals from Twin Falls to District of Columbia

Round-trip from	$443 (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 July 31, 2025.

Wed 10/13:22 pmTWF - IAD

1 stop6h 11mDelta

Sat 10/47:05 amIAD - TWF

1 stop9h 37mDelta

Deal found 7/30

$443

Sat 10/43:22 pmTWF - DCA

2 stops15h 47mDelta

Tue 10/75:10 pmDCA - TWF

1 stop7h 14mDelta

Deal found 7/30

$468

Best flights from Twin Falls to District of Columbia
Discover carefully curated flight deals from Twin Falls to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Wed 10/13:22 pmTWF - IAD

1 stop6h 11mDelta

Sat 10/47:05 amIAD - TWF

1 stop17h 19mDelta

Deal found 7/28

$443

Sat 10/43:22 pmTWF - DCA

2 stops15h 47mDelta

Tue 10/75:10 pmDCA - TWF

1 stop7h 14mDelta

Deal found 7/28

$468

Cheapflights Fare Finder

Use the filters below to find and compare flights from Twin Falls to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 10/1

3:22 pm-11:33 pm

1 stop6h 11m

Washington, D.C. Dulles Intl

Sat 10/4

7:05 am-10:24 pm

1 stop17h 19m

$443

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Sat 10/4

3:22 pm-9:09 am

2 stops15h 47m

Washington, D.C. Reagan-National

Tue 10/7

5:10 pm-10:24 pm

1 stop7h 14m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing District of Columbia

Read through reviews of airlines operating flights from Twin Falls to District of Columbia, such as Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 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

7,981 reviews

Delta

8.0

Very good

7,981 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 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.
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 $241). Flying from Twin Falls to District of Columbia in March is currently the most expensive (average of $290). 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.

See more FAQs

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$443+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Twin Falls to District of Columbia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 July 31, 2025.

Round-trip from

Find flight deals from Twin Falls to District of Columbia

Cheapest flights from Twin Falls to District of ColumbiaExplore 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 July 31, 2025.

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 July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Twin Falls to District of Columbia that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Twin Falls to District of Columbia

Reviews of airlines servicing District of Columbia

Read through reviews of airlines operating flights from Twin Falls to District of Columbia, such as Delta. You can also see how each airline stacks up 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 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?

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

How can I 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Twin Falls to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 July 31, 2025.