HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$414+ Cheap flights from Lewiston, ID (LWS) to Washington, D.C. (WAS)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — WAS
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 26, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/712:23 pm
LWS
-
IAD
1 stop8h 16m
Delta
Tue 8/117:00 am
IAD
-
LWS
1 stop7h 43m
Delta
Deal found 7/23$590
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/79:23 am
LWS
-
DCA
2 stops11h 27m
Delta
Tue 8/114:35 pm
DCA
-
LWS
1 stop9h 24m
Delta
Deal found 7/23$665
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/299:23 am
LWS
-
DCA
2 stops11h 27m
Delta
Tue 9/14:35 pm
DCA
-
LWS
1 stop9h 24m
Delta
Deal found 7/23$688
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/299:23 am
LWS
-
IAD
2 stops10h 58m
Delta
Tue 9/17:00 am
IAD
-
LWS
1 stop7h 43m
Delta
Deal found 7/23$768
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 8/79:23 am
LWS
-
BWI
2 stops10h 55m
Delta
Tue 8/117:39 am
BWI
-
LWS
1 stop7h 04m
Delta
Deal found 7/23$802
This Delta deal was found by Cheapflights users on 7/25. 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.
Sun 8/99:23 am
LWS
-
DCA
2 stops11h 27m
Delta
Thu 8/134:35 pm
DCA
-
LWS
1 stop9h 24m
Delta
Deal found 7/25$1,564
This Delta deal was found by Cheapflights users on 7/25. 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.
Sun 8/912:23 pm
LWS
-
IAD
1 stop8h 16m
Delta
Thu 8/1312:30 pm
IAD
-
LWS
2 stops13h 29m
Delta
Deal found 7/25$1,612
This Delta deal was found by Cheapflights users on 7/25. 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.
Sun 8/99:23 am
LWS
-
BWI
2 stops10h 55m
Delta
Thu 8/1312:30 pm
BWI
-
LWS
2 stops13h 29m
Delta
Deal found 7/25$1,687

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

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Washington, D.C. (WAS). 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 July 26, 2026.

Round-trip from

$590
(Delta)

One-way from

$414
(Delta)
From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston to Washington, D.C. 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 July 26, 2026.
Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 8/7

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 8/11

7:00 am-11:43 am

1 stop7h 43m

$590

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Fri 8/7

9:23 am-11:50 pm

2 stops11h 27m

Washington, D.C. Reagan-National

Tue 8/11

4:35 pm-10:59 pm

1 stop9h 24m

$665

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 8/29

9:23 am-11:50 pm

2 stops11h 27m

Washington, D.C. Reagan-National

Tue 9/1

4:35 pm-10:59 pm

1 stop9h 24m

$688

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 8/29

9:23 am-11:21 pm

2 stops10h 58m

Washington, D.C. Dulles Intl

Tue 9/1

7:00 am-11:43 am

1 stop7h 43m

$768

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Fri 8/7

9:23 am-11:18 pm

2 stops10h 55m

Baltimore/Washington

Tue 8/11

7:39 am-11:43 am

1 stop7h 04m

$802

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sun 8/9

9:23 am-11:50 pm

2 stops11h 27m

Washington, D.C. Reagan-National

Thu 8/13

4:35 pm-10:59 pm

1 stop9h 24m

$1,564

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 8/9

12:23 pm-11:39 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Thu 8/13

12:30 pm-10:59 pm

2 stops13h 29m

$1,612

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Sun 8/9

9:23 am-11:18 pm

2 stops10h 55m

Baltimore/Washington

Thu 8/13

12:30 pm-10:59 pm

2 stops13h 29m

$1,687
Cheapest one-way
Quickest one-way

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 9/21

12:14 pm-11:43 pm

1 stop8h 29m

$414

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 9/14

12:14 pm-11:43 pm

1 stop8h 29m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

No data available for this route at this time. Please check back soon.

Related info for your journey

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

    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 $590, Delta can have you in Washington, D.C. from Lewiston, Idaho in 8h 16m. 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.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights