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Reagan-National

$508+ Cheap flights from Lewiston, ID (LWS) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — DCA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Lewiston to Reagan-National

Cheapest flights from Lewiston to Reagan-National
Explore the most affordable flight options available from Lewiston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:10 am
LWS
-
DCA
2 stops9h 16m
Delta
Sat 3/284:40 pm
DCA
-
LWS
1 stop9h 20m
Delta
Deal found 3/9$934

Find flight deals from Lewiston to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$934
(Delta)

One-way from

$508
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flights.
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From Lewiston Nez Perce Rgnl to Washington, D.C. Reagan-National
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One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. Reagan-National
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Lewiston to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/24

6:10 am-6:26 pm

2 stops9h 16m

Washington, D.C. Reagan-National

Sat 3/28

4:40 pm-11:00 pm

1 stop9h 20m

$934
Cheapest one-way
Quickest one-way

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Wed 7/8

9:00 am-10:51 pm

2 stops10h 51m

$508

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-10:34 pm

2 stops13h 25m

$897

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Sorted by cheapest first

Best time to book a flight from Lewiston to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Lewiston 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 Lewiston to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport?

Currently, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport (average of $91). Flying from Lewiston, Idaho to Washington, D.C. Reagan-National Airport in December is currently the most expensive (average of $404). 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.

Related info for your journey

Find useful and relevant information for your journey from Lewiston to Reagan-National. 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 Lewiston to Washington, D.C. Reagan-National?

    For a flight from Lewiston to Washington, D.C. Reagan-National, 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. Reagan-National per day. 0 airlines have flights to Washington, D.C. Reagan-National from Lewiston Nez Perce Rgnl on a regular basis.

  • How long is the flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport?

    Departing from Lewiston, Idaho to Washington, D.C. Reagan-National Airport will take you 9h 16m. There are 2073 mi between Lewiston, Idaho and Washington, D.C. Reagan-National Airport.

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

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

  • How can I find direct flights from Lewiston to Reagan-National?

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

  • Can I find deals for business class flights from Lewiston to Reagan-National?

    Yes. Cheapflights offers flight deals from Lewiston 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.

  • What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport?

    Currently, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport (average of $91). Flying from Lewiston, Idaho to Washington, D.C. Reagan-National Airport in December is currently the most expensive (average of $404). 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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