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$367+ Cheap flights from Lewiston, ID (LWS) to District of Columbia

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Lewiston to District of Columbia

Cheapest flights from Lewiston to District of Columbia
Explore the most affordable flight options available from Lewiston to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/1912:17 pmLWS - IAD
1 stop8h 12mDelta
Sun 12/212:21 pmIAD - LWS
2 stops11h 09mDelta
Deal found 12/16$998
This Delta deal was found by Cheapflights users on 12/16. 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 12/197:00 amLWS - DCA
2 stops13h 08mDelta
Sun 12/213:00 pmDCA - LWS
2 stops10h 30mDelta
Deal found 12/16$1,299

Find flight deals from Lewiston to District of Columbia

Keep the following information in mind while searching for Lewiston to District of Columbia flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$367
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flights.
Search Deals
From Lewiston Nez Perce Rgnl to District of Columbia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston to District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from Lewiston to District of Columbia that are best for you.

Fly from

Lewiston

Fly to

District of Columbia

Route

Depart

Return

Price

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Wed 1/14

7:05 am-10:00 pm

2 stops11h 55m

Washington, D.C. Reagan-National

Wed 1/21

1:40 pm-8:59 pm

2 stops10h 19m

$367

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 1/14

7:05 am-11:57 pm

2 stops13h 52m

Washington, D.C. Dulles Intl

Wed 1/21

12:40 pm-8:59 pm

2 stops11h 19m

$456

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Sat 6/13

7:15 am-11:42 am

1 stop7h 27m

$928

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:25 am-11:12 pm

2 stops13h 47m

$557

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 4/20

12:30 pm-11:51 pm

1 stop8h 21m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Lewiston to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Lewiston, Idaho to District of Columbia?

Currently, November is the cheapest month in which you can book a flight from Lewiston, Idaho to District of Columbia (average of $229). Flying from Lewiston, Idaho to District of Columbia in December is currently the most expensive (average of $411). 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 Lewiston to District of Columbia. 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 District of Columbia?

    Lewiston Nez Perce Rgnl (LWS), located 1.9 mi from the city center, is the airport you fly out of when you book flights from Lewiston to District of Columbia.

  • How long is the flight from Lewiston, Idaho to District of Columbia?

    There are many flights that can get you from Lewiston, Idaho to District of Columbia in 11h 55m. Fly via Delta to get the fastest option. There are 2073 mi between Lewiston, Idaho and District of Columbia.

  • Can I find deals for flights from Lewiston to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Lewiston to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lewiston to District of Columbia?

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

  • Can I find deals for business class flights from Lewiston to District of Columbia?

    Yes. Cheapflights offers flight deals from Lewiston to District of Columbia 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 District of Columbia?

    Currently, November is the cheapest month in which you can book a flight from Lewiston, Idaho to District of Columbia (average of $229). Flying from Lewiston, Idaho to District of Columbia in December is currently the most expensive (average of $411). 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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