How long is the flight from Lewiston, Idaho to Washington, D.C.?

For as low as $426, Delta can have you in Washington, D.C. from Lewiston, Idaho in 7h 51m. Lewiston, Idaho and Washington, D.C. are separated by a distance of 2050 mi.

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 Lewiston, Idaho to Washington, D.C.?

Most travelers choose Lewiston Nez Perce Rgnl - Baltimore/Washington, Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National or Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl when deciding on the best route from Lewiston, Idaho to Washington, D.C..

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

When flying from Lewiston, Idaho 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 Lewiston to Washington, D.C.?

For a flight from Lewiston to Washington, D.C., you will be flying from Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 outbound flights to Washington, D.C. per day. 0 airlines have flights to Washington, D.C. from Lewiston Nez Perce Rgnl on a regular basis.

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

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

How can I find direct flights from Lewiston 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 Lewiston to Washington, D.C..

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

Yes. Cheapflights offers flight deals from Lewiston 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.

$426+ Cheap Flights from Lewiston, ID to Washington, D.C.

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Cheapest flights from Lewiston to Washington, D.C.
Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Sat 12/59:08 am -

1 stop7h 51m

Sat 12/127:00 am -

1 stop7h 38m

Deal found 9/23

$426

Sat 12/59:08 am -

1 stop7h 51m

Thu 12/107:00 am -

1 stop7h 38m

Deal found 9/23

$427

Sat 12/59:08 am -

1 stop7h 51m

Fri 12/117:00 am -

1 stop7h 38m

Deal found 9/23

$431

Mon 10/59:16 am -

2 stops10h 45m

Fri 10/97:35 am -

1 stop7h 04m

Deal found 9/19

$1,474

Find flight deals from Lewiston to Washington, D.C.

Round-trip from	$426 (Delta)

From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)

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LewistonWashington, D.C.

LWS Lewiston Nez Perce Rgnl - IAD Washington, D.C. Dulles Intl

LWSIAD

Lewiston Nez Perce Rgnl

Sat 12/5

9:08 am-7:59 pm

1 stop7h 51m

Washington, D.C. Dulles Intl

Sat 12/12

7:00 am-11:38 am

1 stop7h 38m

$426

LewistonWashington, D.C.

LWS Lewiston Nez Perce Rgnl - IAD Washington, D.C. Dulles Intl

LWSIAD

Lewiston Nez Perce Rgnl

Sat 12/5

9:08 am-7:59 pm

1 stop7h 51m

Washington, D.C. Dulles Intl

Fri 12/11

7:00 am-11:38 am

1 stop7h 38m

$431

LewistonBaltimore

LWS Lewiston Nez Perce Rgnl - BWI Baltimore/Washington

LWSBWI

Lewiston Nez Perce Rgnl

Mon 10/5

9:16 am-11:01 pm

2 stops10h 45m

Baltimore/Washington

Fri 10/9

7:35 am-11:39 am

1 stop7h 04m

$1,474

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

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LWS-WAS

LWS-IAD

LWS-BWI

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Related info for your journey

What airport do you fly from for flights from Lewiston to Washington, D.C.?
For a flight from Lewiston to Washington, D.C., you will be flying from Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 outbound flights to Washington, D.C. per day. 0 airlines have flights to Washington, D.C. from Lewiston Nez Perce Rgnl on a regular basis.
How long is the flight from Lewiston, Idaho to Washington, D.C.?
For as low as $426, Delta can have you in Washington, D.C. from Lewiston, Idaho in 7h 51m. Lewiston, Idaho and Washington, D.C. are separated by a distance of 2050 mi.
What are the most popular routes from Lewiston, Idaho to Washington, D.C.?
Most travelers choose Lewiston Nez Perce Rgnl - Baltimore/Washington, Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National or Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl when deciding on the best route from Lewiston, Idaho to Washington, D.C..
Can I find deals for flights from Lewiston to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lewiston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lewiston 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 Lewiston to Washington, D.C..
Can I find deals for business class flights from Lewiston to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lewiston 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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$426+ Cheap flights from Lewiston, ID (LWS) 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from Lewiston to Washington, D.C.

Cheapest flights from Lewiston to Washington, D.C.Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Lewiston to Washington, D.C.Discover carefully curated flight deals from Lewiston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Discover carefully curated flight deals from Lewiston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Lewiston to Washington, D.C.Discover last-minute flight deals from Lewiston to Washington, D.C.. Data last updated September 24, 2026 and is based on user searches.

Discover last-minute flight deals from Lewiston to Washington, D.C.. Data last updated September 24, 2026 and is based on user searches.

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Related info for your journey

What airport do you fly from for flights from Lewiston to Washington, D.C.?

How long is the flight from Lewiston, Idaho to Washington, D.C.?

What are the most popular routes from Lewiston, Idaho to Washington, D.C.?

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

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

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

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Cheapest flights from Lewiston to Washington, D.C.
Explore the most affordable flight options available from Lewiston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.

Best flights from Lewiston to Washington, D.C.
Discover carefully curated flight deals from Lewiston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.

Last-minute flights from Lewiston to Washington, D.C.
Discover last-minute flight deals from Lewiston to Washington, D.C.. Data last updated September 24, 2026 and is based on user searches.