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Cheap flights from Lewiston, Idaho to Washington, D.C. from $622

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 4/14. 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

Enter your travel dates to find the best prices.
Delta Logo
6:09 am - 6:00 pm
LWS
-
DCA
8h 51m
2 stops
Delta Logo
4:39 pm - 12:08 am
DCA
-
LWS
10h 29m
1 stop
$622Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:09 am - 6:00 pm
LWS
-
DCA
8h 51m
2 stops
Delta Logo
6:00 am - 11:33 am
DCA
-
LWS
8h 33m
2 stops
$848Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:09 am - 11:41 pm
LWS
-
DCA
14h 32m
2 stops
Delta Logo
4:39 pm - 12:08 am
DCA
-
LWS
10h 29m
1 stop
$1,228Delta
Mon, May 4 - Wed, May 6
Delta Logo
6:09 am - 11:41 pm
LWS
-
DCA
14h 32m
2 stops
Delta Logo
1:40 pm - 12:08 am
DCA
-
LWS
13h 28m
2 stops
$1,233Delta
Mon, May 4 - Wed, May 6

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
Apr 14
LWS6:09 amLewiston Nez Perce Rgnl
8h 51m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
Apr 18
DCA4:39 pmWashington, D.C. Reagan-National
10h 29m
1 stop
LWS12:08 amLewiston Nez Perce Rgnl
$622
Delta
Apr 14
LWS6:09 amLewiston Nez Perce Rgnl
8h 51m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
Apr 18
DCA6:00 amWashington, D.C. Reagan-National
8h 33m
2 stops
LWS11:33 amLewiston Nez Perce Rgnl
$848
Delta
May 4
LWS6:09 amLewiston Nez Perce Rgnl
14h 32m
2 stops
DCA11:41 pmWashington, D.C. Reagan-National
May 6
DCA4:39 pmWashington, D.C. Reagan-National
10h 29m
1 stop
LWS12:08 amLewiston Nez Perce Rgnl
$1,228

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 April 1, 2026.
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

Cheapest round-trip

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 4/14

6:09 am-6:00 pm

2 stops8h 51m

Washington, D.C. Reagan-National

Sat 4/18

4:39 pm-12:08 am

1 stop10h 29m

$622
Quickest round-trip

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 4/14

6:09 am-6:00 pm

2 stops8h 51m

Washington, D.C. Reagan-National

Sat 4/18

6:00 am-11:33 am

2 stops8h 33m

$848

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 5/4

6:09 am-11:41 pm

2 stops14h 32m

Washington, D.C. Reagan-National

Wed 5/6

4:39 pm-12:08 am

1 stop10h 29m

$1,228

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 5/4

6:09 am-11:41 pm

2 stops14h 32m

Washington, D.C. Reagan-National

Wed 5/6

1:40 pm-12:08 am

2 stops13h 28m

$1,233
Cheapest one-way

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-11:41 pm

2 stops14h 32m

$2,213

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-11:41 pm

2 stops14h 32m

$2,253

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-9:37 pm

2 stops12h 28m

$2,323
Quickest one-way

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-6:02 pm

2 stops8h 53m

$2,504

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 airline that flies from Lewiston Nez Perce Rgnl to Washington, D.C. Reagan-National?

Delta is the most popular carrier operating from Lewiston Nez Perce Rgnl to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Lewiston, Idaho according to our data. Delta is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

8h 51m

Direct flights

None
The fastest flight from Lewiston, Idaho to Washington, D.C. Reagan-National Airport takes 8h 51m
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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Frequently asked questions about flying from Lewiston, Idaho to Washington, D.C. Reagan-National Airport

  • 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 8h 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

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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