$520 Cheap Flights from Washington (DCA) to Lewiston (LWS)

View $520 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Lewiston, ID (LWS-Nez Perce County Regional)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Lewiston (DCA-LWS)

Prices were available within the past 7 days and start at $520 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Nov 14 - Mon, Dec 1
DCA
Washington
LWS
Lewiston
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Nov 14 from Washington to Lewiston, returning Mon, Dec 1, priced at $485 found 2 days ago
Delta
Sat, Oct 25 - Wed, Nov 5
DCA
Washington
LWS
Lewiston
$497 Roundtrip, found 2 days ago
$497
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Wed, Nov 5, priced at $497 found 2 days ago
Delta
Sat, Oct 25 - Sun, Nov 9
DCA
Washington
LWS
Lewiston
$507 Roundtrip, found 2 days ago
$507
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Sun, Nov 9, priced at $507 found 2 days ago
Delta
Sat, Nov 8 - Sun, Nov 9
DCA
Washington
LWS
Lewiston
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Washington to Lewiston, returning Sun, Nov 9, priced at $527 found 2 days ago
Delta
Sat, Oct 25 - Thu, Nov 6
DCA
Washington
LWS
Lewiston
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Thu, Nov 6, priced at $573 found 2 days ago
Delta
Sat, Oct 25 - Wed, Nov 5
DCA
Washington
LWS
Lewiston
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Wed, Nov 5, priced at $586 found 2 days ago
Delta
Wed, Oct 1 - Tue, Oct 7
DCA
Washington
LWS
Lewiston
$590 Roundtrip, found 15 hours ago
$590
Roundtrip
found 15 hours ago
Select Delta flight, departing Wed, Oct 1 from Washington to Lewiston, returning Tue, Oct 7, priced at $590 found 15 hours ago
Delta
Sat, Nov 8 - Sun, Nov 9
DCA
Washington
LWS
Lewiston
$593 Roundtrip, found 2 days ago
$593
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Washington to Lewiston, returning Sun, Nov 9, priced at $593 found 2 days ago
Delta
Sat, Oct 25 - Sun, Nov 9
DCA
Washington
LWS
Lewiston
$596 Roundtrip, found 2 days ago
$596
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Sun, Nov 9, priced at $596 found 2 days ago
Delta
Sat, Oct 25 - Sun, Nov 9
DCA
Washington
LWS
Lewiston
$607 Roundtrip, found 2 days ago
$607
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Washington to Lewiston, returning Sun, Nov 9, priced at $607 found 2 days ago

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS) cost?
Grab a cheap one-way flight from $520 or cheap return flight from $485 from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS)?
Traveling in November is a good way to save, as it's the cheapest month for flights between DCA and LWS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DCA to LWS. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS)?
You'll need to hop on a flight with a layover when traveling from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from DCA to LWS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS) last-minute?
Booking your ticket from DCA to LWS shortly before your getaway is typically more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a DCA to LWS flight and hotel package?
Opting for a DCA to LWS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Nez Perce County Regional Airport (LWS)?
Usually, it's possible to reschedule or cancel your DCA to LWS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Nez Perce County Regional
Airlines serving
Delta
Roundtrip price
$484
Distance
2074 mi

Book with confidence

Book with confidence

Washington to Lewiston Flights

The cheapest times to fly from Washington to Lewiston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Lewiston are during the month of November. You can find some of the cheapest flights from Washington to Lewiston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Lewiston

Sunday is one of the best days to book for cheap flights from Washington to Lewiston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Lewiston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Lewiston in 2025. You can also book with separate airlines for your outbound and return journeys, from $520 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Lewiston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Lewiston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Lewiston Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.