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

Airlines like Delta fly from Twin Falls to Washington, D.C. in about 6h 30m. The time it takes to get you to your destination can typically vary by up to . There are 1938 mi between Twin Falls and Washington, D.C..

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 are the most popular routes from Twin Falls to Washington, D.C.?

Most travelers choose Twin Falls Joslin - Washington, D.C. Dulles Intl, Twin Falls Joslin - Baltimore/Washington or Twin Falls Joslin - Washington, D.C. Reagan-National when deciding on the best route from Twin Falls to Washington, D.C..

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

When flying from Twin Falls to Washington, D.C., 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 from for flights from Twin Falls to Washington, D.C.?

Most people fly from Twin Falls Joslin (TWF) if they book a flight from Twin Falls to Washington, D.C.. On average, Joslin has 0 outbound flights to Washington, D.C. per day from 0 airlines. Twin Falls Joslin is conveniently located just 5.8 mi from Twin Falls’s city center.

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

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

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

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

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

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

$456+ Cheap Flights from Twin Falls to Washington, D.C.

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

Cheapest flights from Twin Falls to Washington, D.C.
Explore the most affordable flight options available from Twin Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Thu 11/203:23 pmTWF - IAD

1 stop6h 35mDelta

Thu 11/276:00 amIAD - TWF

2 stops12h 31mDelta

Deal found 10/30

$502

Thu 11/206:00 amTWF - BWI

2 stops9h 16mDelta

Thu 11/277:00 amBWI - TWF

2 stops11h 31mDelta

Deal found 10/30

$633

Best flights from Twin Falls to Washington, D.C.
Discover carefully curated flight deals from Twin Falls to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Wed 2/253:20 pmTWF - IAD

1 stop6h 30mDelta

Wed 3/47:15 amIAD - TWF

1 stop9h 31mDelta

Deal found 10/28

$456

Wed 2/253:20 pmTWF - BWI

1 stop6h 22mDelta

Wed 3/47:10 amBWI - TWF

1 stop9h 36mDelta

Deal found 10/29

$456

Thu 11/203:23 pmTWF - IAD

1 stop6h 35mDelta

Thu 11/276:00 amIAD - TWF

2 stops12h 31mDelta

Deal found 10/30

$502

Thu 11/206:00 amTWF - BWI

2 stops9h 16mDelta

Thu 11/277:00 amBWI - TWF

2 stops11h 31mDelta

Deal found 10/30

$633

Last-minute flights from Twin Falls to Washington, D.C.
Discover last-minute flight deals from Twin Falls to Washington, D.C.. Data last updated October 30, 2025 and is based on user searches.

Thu 11/203:23 pmTWF - IAD

1 stop6h 35mDelta

Thu 11/276:00 amIAD - TWF

2 stops12h 31mDelta

Deal found 10/30

$502

Thu 11/206:00 amTWF - BWI

2 stops9h 16mDelta

Thu 11/277:00 amBWI - TWF

2 stops11h 31mDelta

Deal found 10/30

$633

One-way flights from Twin Falls to Washington, D.C.
Search for one-way flight options from Twin Falls to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Tue 11/46:15 amTWF - DCA

1 stop7h 45mDelta

Deal found 10/30

$633

Fri 1/21:15 pmTWF - IAD

2 stops7h 53mDelta

Deal found 10/28

$700

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

Round-trip from	$456 (Delta)

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

3:20 pm-11:50 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 3/4

7:15 am-2:46 pm

1 stop9h 31m

$456

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

3:20 pm-11:42 pm

1 stop6h 22m

Baltimore/Washington

Wed 3/4

7:10 am-2:46 pm

1 stop9h 36m

$456

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 11/20

3:23 pm-11:58 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Thu 11/27

6:00 am-4:31 pm

2 stops12h 31m

$502

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 11/20

6:00 am-5:16 pm

2 stops9h 16m

Baltimore/Washington

Thu 11/27

7:00 am-4:31 pm

2 stops11h 31m

$633

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Tue 11/4

6:15 am-4:00 pm

1 stop7h 45m

$633

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Wed 11/5

6:15 am-4:00 pm

1 stop7h 45m

$633

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Fri 1/2

1:15 pm-11:08 pm

2 stops7h 53m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

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

Related info for your journey

What airport do you fly from for flights from Twin Falls to Washington, D.C.?
Most people fly from Twin Falls Joslin (TWF) if they book a flight from Twin Falls to Washington, D.C.. On average, Joslin has 0 outbound flights to Washington, D.C. per day from 0 airlines. Twin Falls Joslin is conveniently located just 5.8 mi from Twin Falls’s city center.
How long is the flight from Twin Falls to Washington, D.C.?
Airlines like Delta fly from Twin Falls to Washington, D.C. in about 6h 30m. The time it takes to get you to your destination can typically vary by up to . There are 1938 mi between Twin Falls and Washington, D.C..
What are the most popular routes from Twin Falls to Washington, D.C.?
Most travelers choose Twin Falls Joslin - Washington, D.C. Dulles Intl, Twin Falls Joslin - Baltimore/Washington or Twin Falls Joslin - Washington, D.C. Reagan-National when deciding on the best route from Twin Falls to Washington, D.C..
Can I find deals for flights from Twin Falls to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Twin Falls to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Twin Falls to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Twin Falls to Washington, D.C..
Can I find deals for business class flights from Twin Falls to Washington, D.C.?
Yes. Cheapflights offers flight deals from Twin Falls to Washington, D.C. 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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$456+ Cheap flights from Twin Falls (TWF) to Washington, D.C. (WAS)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Twin Falls to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheapest flights from Twin Falls to Washington, D.C.Explore the most affordable flight options available from Twin Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from Twin Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

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

Round-trip from

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

Related info for your journey

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

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Cheapest flights from Twin Falls to Washington, D.C.
Explore the most affordable flight options available from Twin Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.