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Cheap flights from Lewiston, Idaho to Washington, D.C. from $547

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lewiston, Idaho to Washington, D.C. departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Lewiston, Idaho to Washington, D.C.

Cheap round-trip flights

Delta Logo
7:10 am - 10:01 pmLWS-DCA
11h 51m2 stops
Delta Logo
12:30 pm - 9:05 pmDCA-LWS
11h 35m2 stops
$547Delta
Find Deal
Tue, Sep 9 - Sat, Sep 13
Delta Logo
7:15 am - 11:55 pmLWS-DCA
13h 40m2 stops
Delta Logo
11:37 am - 8:56 pmDCA-LWS
12h 19m2 stops
$843Delta
Find Deal
Sat, Dec 27 - Fri, Jan 2
Delta Logo
7:05 am - 10:54 pmLWS-DCA
12h 49m2 stops
Delta Logo
11:30 am - 9:03 pmDCA-LWS
12h 33m2 stops
$877Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
7:10 am - 11:36 pmLWS-DCA
13h 26m2 stops
Delta Logo
12:30 pm - 9:05 pmDCA-LWS
11h 35m2 stops
$1,389Delta
Find Deal
Mon, Sep 8 - Fri, Sep 12

Delta flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport

Our best Delta deals on Lewiston, Idaho to Washington, D.C. Reagan-National Airport flight tickets
Delta
Sep 9
LWS7:10 amLewiston Nez Perce Rgnl
11h 51m
2 stops
DCA10:01 pmWashington, D.C. Reagan-National
Sep 13
DCA12:30 pmWashington, D.C. Reagan-National
11h 35m
2 stops
LWS9:05 pmLewiston Nez Perce Rgnl
$547
Find similar
Delta
Dec 27
LWS7:15 amLewiston Nez Perce Rgnl
13h 40m
2 stops
DCA11:55 pmWashington, D.C. Reagan-National
Jan 2
DCA11:37 amWashington, D.C. Reagan-National
12h 19m
2 stops
LWS8:56 pmLewiston Nez Perce Rgnl
$843
Find similar
Delta
Dec 2
LWS7:05 amLewiston Nez Perce Rgnl
12h 49m
2 stops
DCA10:54 pmWashington, D.C. Reagan-National
Dec 5
DCA11:30 amWashington, D.C. Reagan-National
12h 33m
2 stops
LWS9:03 pmLewiston Nez Perce Rgnl
$877
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 9/9

7:10 am-10:01 pm

2 stops11h 51m

Washington, D.C. Reagan-National

Sat 9/13

12:30 pm-9:05 pm

2 stops11h 35m

$547

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 12/27

7:15 am-11:55 pm

2 stops13h 40m

Washington, D.C. Reagan-National

Fri 1/2

11:37 am-8:56 pm

2 stops12h 19m

$843

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 12/2

7:05 am-10:54 pm

2 stops12h 49m

Washington, D.C. Reagan-National

Fri 12/5

11:30 am-9:03 pm

2 stops12h 33m

$877

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 9/8

7:10 am-11:36 pm

2 stops13h 26m

Washington, D.C. Reagan-National

Fri 9/12

12:30 pm-9:05 pm

2 stops11h 35m

$1,389

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lewiston, Idaho to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Lewiston, Idaho to Washington, D.C. Reagan-National Airport is on a Tuesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Tuesday will often find tickets for as low as $632. Flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $834. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lewiston, Idaho to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lewiston, Idaho to Washington, D.C. Reagan-National Airport (LWS to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport

Direct flights

None
There are no direct flights from Lewiston, Idaho to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Lewiston, Idaho to Washington, D.C. Reagan-National Airport.
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  • How far is Lewiston Nez Perce Rgnl to Washington, D.C. Reagan-National by plane?

    The distance between Lewiston Nez Perce Rgnl and Washington, D.C. Reagan-National is about 2072.3 mi. Flights usually cover this in 11h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Reagan-National Airport are updated daily.

  • How old do you have to be to fly from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lewiston Nez Perce Rgnl Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Lewiston to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lewiston to Washington, D.C. for you.

Can I find flights from Lewiston to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Lewiston to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Lewiston to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lewiston to Washington, D.C..

I’m not ready to book a flight from Lewiston to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Lewiston and alert you when they change.

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