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Washington, D.C.

$610+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — WAS
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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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 April 28, 2026.

This Delta deal was found by Cheapflights users on 4/24. 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 5/108:25 am
LWS
-
DCA
2 stops12h 03m
Delta
Sat 5/164:40 pm
DCA
-
LWS
1 stop9h 10m
Delta
Deal found 4/24$843
This Delta deal was found by Cheapflights users on 4/24. 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 5/912:16 pm
LWS
-
IAD
1 stop8h 16m
Delta
Sat 5/166:00 am
IAD
-
LWS
2 stops8h 36m
Delta
Deal found 4/24$903
This Delta deal was found by Cheapflights users on 4/26. 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 6/79:00 am
LWS
-
IAD
2 stops11h 25m
Delta
Sat 6/1312:29 pm
IAD
-
LWS
2 stops13h 50m
Delta
Deal found 4/26$914
This Delta deal was found by Cheapflights users on 4/24. 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 5/1012:16 pm
LWS
-
IAD
2 stops9h 35m
Delta
Sat 5/166:00 am
IAD
-
LWS
2 stops8h 36m
Delta
Deal found 4/24$1,039

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 April 28, 2026.

Round-trip from

$843
(Delta)

One-way from

$610
(Delta)
From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
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One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
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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 April 28, 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

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sun 5/10

8:25 am-11:28 pm

2 stops12h 03m

Washington, D.C. Reagan-National

Sat 5/16

4:40 pm-10:50 pm

1 stop9h 10m

$843

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 5/9

8:25 am-11:38 pm

2 stops12h 13m

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-11:36 am

2 stops8h 36m

$908

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

9:00 am-11:25 pm

2 stops11h 25m

Washington, D.C. Dulles Intl

Sat 6/13

12:29 pm-11:19 pm

2 stops13h 50m

$914
Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 5/10

12:16 pm-12:51 am

2 stops9h 35m

Washington, D.C. Dulles Intl

Sat 5/16

6:00 am-11:36 am

2 stops8h 36m

$1,039
Cheapest one-way
Quickest one-way

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 8/1

9:00 am-11:13 pm

2 stops11h 13m

$610

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Sat 8/1

9:00 am-11:18 pm

2 stops11h 18m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

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 $843, Delta can have you in Washington, D.C. from Lewiston, Idaho in 12h 03m. Lewiston, Idaho and Washington, D.C. are separated by a distance of 2073 mi.

  • What are the most popular routes from Lewiston, Idaho to Washington, D.C.?

    Most travelers choose Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl, Lewiston Nez Perce Rgnl - Baltimore/Washington or Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National 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

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