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Reagan-National

$557+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — DCA
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Lewiston to Reagan-National

One-way flights from Lewiston to Reagan-National
Search for one-way flight options from Lewiston to Reagan-National. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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.
lun. 4/206:25 amLWS - DCA
2 stops13h 47mDelta
Deal found 12/10$557

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 diciembre 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,184
(Delta)

One-way from

$557
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Washington, D.C. Reagan-National 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 diciembre 12, 2025.
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

Lewiston

Fly to

Reagan-National

Route

Depart

Return

Price

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

lun. 4/20

6:25 am-11:12 pm

2 stops13h 47m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Lewiston, Idaho-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lewiston, Idaho-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lewiston, Idaho-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport (average of $229). Flying from Lewiston, Idaho to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $450). 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.

  • 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, November is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport (average of $229). Flying from Lewiston, Idaho to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $450). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
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McLean
Clinton

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