How long is the flight from Twin Falls to Washington, D.C. Reagan-National Airport?

Departing from Twin Falls to Washington, D.C. Reagan-National Airport will take you 8h. The distance between Twin Falls and Washington, D.C. Reagan-National Airport is about 1961 mi.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 DCA?

When flying from Twin Falls to Washington, D.C. Reagan-National Airport, 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. Reagan-National?

For a flight from Twin Falls to Washington, D.C. Reagan-National, you will be flying from Joslin. Twin Falls Joslin (TWF) is just 5.8 mi from the center of the city. Joslin is the only Twin Falls airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Twin Falls Joslin on a regular basis.

Can I find deals for flights from Twin Falls to Reagan-National that include hotel bookings?

Yes. In addition to deals on Twin Falls to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Twin Falls to Reagan-National?

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

Can I find deals for business class flights from Twin Falls to Reagan-National?

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

$558+ Cheap Flights from Twin Falls to Washington, D.C. Reagan-National Airport

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Explore the most affordable flight options available from Twin Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

Fri 3/66:00 am

TWF

DCA

1 stop8h 00m

Delta

Tue 3/105:12 pm

DCA

TWF

1 stop7h 03m

Delta

Deal found 2/19

$558

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Twin Falls Joslin

Fri 3/6

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1 stop8h 00m

Washington, D.C. Reagan-National

Tue 3/10

5:12 pm-10:15 pm

1 stop7h 03m

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Related info for your journey

What airport do you fly from for flights from Twin Falls to Washington, D.C. Reagan-National?
For a flight from Twin Falls to Washington, D.C. Reagan-National, you will be flying from Joslin. Twin Falls Joslin (TWF) is just 5.8 mi from the center of the city. Joslin is the only Twin Falls airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Twin Falls Joslin on a regular basis.
How long is the flight from Twin Falls to Washington, D.C. Reagan-National Airport?
Departing from Twin Falls to Washington, D.C. Reagan-National Airport will take you 8h. The distance between Twin Falls and Washington, D.C. Reagan-National Airport is about 1961 mi.
Can I find deals for flights from Twin Falls to Reagan-National that include hotel bookings?
Yes. In addition to deals on Twin Falls to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Twin Falls to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Twin Falls to Reagan-National.
Can I find deals for business class flights from Twin Falls to Reagan-National?
Yes. Cheapflights offers flight deals from Twin Falls to Reagan-National 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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$558+ Cheap flights from Twin Falls (TWF) to Reagan-National (DCA)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Twin Falls to Reagan-NationalExplore the most affordable flight options available from Twin Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

Explore the most affordable flight options available from Twin Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

Best flights from Twin Falls to Reagan-NationalDiscover carefully curated flight deals from Twin Falls to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.

Discover carefully curated flight deals from Twin Falls to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.

Last-minute flights from Twin Falls to Reagan-NationalDiscover last-minute flight deals from Twin Falls to Reagan-National. Data last updated February 21, 2026 and is based on user searches.

Discover last-minute flight deals from Twin Falls to Reagan-National. Data last updated February 21, 2026 and is based on user searches.

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

How long is the flight from Twin Falls to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Twin Falls to Reagan-National that include hotel bookings?

How can I find direct flights from Twin Falls to Reagan-National?

Can I find deals for business class flights from Twin Falls to Reagan-National?

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Cheapest flights from Twin Falls to Reagan-National
Explore the most affordable flight options available from Twin Falls to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

Best flights from Twin Falls to Reagan-National
Discover carefully curated flight deals from Twin Falls to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 21, 2026.

Last-minute flights from Twin Falls to Reagan-National
Discover last-minute flight deals from Twin Falls to Reagan-National. Data last updated February 21, 2026 and is based on user searches.