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$765+ Cheap flights from Reagan-National (DCA) to Lewiston, ID (LWS)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LWS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Reagan-National to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Lewiston (LWS). 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 January 15, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$765
(Delta)
Provider with most accurate pricing for Washington, D.C. Reagan-National-Lewiston Nez Perce Rgnl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Lewiston Nez Perce Rgnl flights.
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From Washington, D.C. Reagan-National to Lewiston Nez Perce Rgnl
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Find flight deals from Reagan-National to Lewiston

Cheapest flights from Reagan-National to Lewiston
Explore the most affordable flight options available from Reagan-National to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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.
Mon 3/234:40 pm
DCA
-
LWS
1 stop9h 20m
Delta
Fri 3/2712:10 pm
LWS
-
DCA
2 stops8h 29m
Delta
Deal found 1/14$765
This Delta deal was found by Cheapflights users on 1/13. 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.
Wed 3/254:40 pm
DCA
-
LWS
1 stop9h 20m
Delta
Fri 4/312:10 pm
LWS
-
DCA
2 stops8h 29m
Delta
Deal found 1/13$1,038
This Delta deal was found by Cheapflights users on 1/13. 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.
Wed 1/281:40 pm
DCA
-
LWS
2 stops10h 19m
Delta
Sun 2/17:05 am
LWS
-
DCA
2 stops13h 21m
Delta
Deal found 1/13$1,071

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Lewiston 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 January 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Lewiston that are best for you.

Fly from

Reagan-National

Fly to

Lewiston

Route

Depart

Return

Price

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

Mon 3/23

4:40 pm-11:00 pm

1 stop9h 20m

Lewiston Nez Perce Rgnl

Fri 3/27

12:10 pm-11:39 pm

2 stops8h 29m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Lewiston, Idaho flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Reagan-National Airport-Lewiston, Idaho flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Lewiston, Idaho flights, Cheapflights users trust Expedia the most. Expedia 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 Washington, D.C. Reagan-National Airport-Lewiston, Idaho 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 Reagan-National to Lewiston

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

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lewiston, Idaho (average of $183). Flying from Washington, D.C. Reagan-National Airport to Lewiston, Idaho in November is currently the most expensive (average of $650). 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 Reagan-National to Lewiston. 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 into for flights to Lewiston from Washington, D.C. Reagan-National?

    Most people fly into Lewiston Nez Perce Rgnl (LWS) if they book a flight to Lewiston from Washington, D.C. Reagan-National. On average, Nez Perce Rgnl has 0 inbound flights from Washington, D.C. Reagan-National per day from 0 airlines. Lewiston Nez Perce Rgnl is conveniently located just 1.9 mi from Lewiston’s city center.

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

    Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Lewiston, Idaho in about 9h 20m. The time it takes to get you to your destination can typically vary by up to . There are 2073 mi between Washington, D.C. Reagan-National Airport and Lewiston, Idaho.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Lewiston 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 Washington, D.C. Reagan-National Airport to Lewiston, Idaho?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lewiston, Idaho (average of $183). Flying from Washington, D.C. Reagan-National Airport to Lewiston, Idaho in November is currently the most expensive (average of $650). 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.

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