Washington, D.C.

$282+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — WAS
Jul 7 — Jul 141
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Cheap 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 2, 2025.

Round-trip from

$491
(Delta)

One-way from

$282
(Delta)
From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)

Find 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 2, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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 12/107:05 amLWS - BWI
2 stops14h 07mDelta
Sat 12/137:15 amBWI - LWS
1 stop9h 08mDelta
Deal found 6/29$491
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 7/175:20 pmLWS - DCA
2 stops12h 16mDelta
Mon 7/2112:00 pmDCA - LWS
2 stops12h 08mDelta
Deal found 7/2$753

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 2, 2025.
Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Fly from

Lewiston

Fly to

Washington, D.C.

Route

Depart

Return

Price

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Wed 12/10

7:05 am-12:12 am

2 stops14h 07m

Baltimore/Washington

Sat 12/13

7:15 am-1:23 pm

1 stop9h 08m

$491

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Thu 7/17

5:20 pm-8:36 am

2 stops12h 16m

Washington, D.C. Reagan-National

Mon 7/21

12:00 pm-9:08 pm

2 stops12h 08m

$753

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 8/25

7:05 am-3:25 pm

1 stop29h 20m

$282

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 8/25

2:00 pm-5:55 am

2 stops12h 55m

$302

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Thu 7/31

5:20 pm-5:46 am

1 stop9h 26m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

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

Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $309). Flying from Lewiston, Idaho to Washington, D.C. in July is currently the most expensive (average of $345). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated July 2, 2025.
See what other customers who have flown with Delta from Lewiston to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What is the cheapest airline to fly from Lewiston, Idaho to Washington, D.C. round-trip?

    Delta, at $491, was found to be the cheapest airline from Lewiston, Idaho to Washington, D.C...

  • What are the most popular routes 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.

  • What is the cheapest month to book a flight from Lewiston, Idaho to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $309). Flying from Lewiston, Idaho to Washington, D.C. in July is currently the most expensive (average of $345). 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

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