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Cheap flights from Lewiston, Idaho to Washington, D.C. from $365

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 12/10. 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
7:00 am - 12:27 amLWS-BWI
14h 27m2 stops
Delta Logo
6:00 am - 9:02 pmBWI-LWS
18h 02m2 stops
$365Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
7:05 am - 11:16 pmLWS-IAD
13h 11m1 stop
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$455Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$460Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
7:00 am - 12:27 amLWS-BWI
14h 27m2 stops
Delta Logo
7:15 am - 11:37 amBWI-LWS
7h 22m1 stop
$461Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
Delta Logo
7:05 am - 11:16 pmLWS-IAD
13h 11m1 stop
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$475Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:00 am - 9:02 pmIAD-LWS
17h 02m1 stop
$480Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
7:05 am - 3:32 pmLWS-DCA
29h 27m1 stop
Delta Logo
4:40 pm - 8:02 pmDCA-LWS
30h 22m1 stop
$491Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 3:32 pmLWS-DCA
24h 02m2 stops
Delta Logo
4:40 pm - 8:02 pmDCA-LWS
30h 22m1 stop
$497Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 11:16 pmLWS-IAD
31h 46m2 stops
Delta Logo
7:59 pm - 8:02 pmIAD-LWS
51h 03m2 stops
$508Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7
Delta Logo
12:30 pm - 3:32 pmLWS-DCA
24h 02m2 stops
Delta Logo
6:05 am - 8:02 pmDCA-LWS
40h 57m2 stops
$520Delta
Find Deal
Tue, Mar 3 - Sat, Mar 7

Delta flights from Lewiston, Idaho to Washington, D.C.

Our best Delta deals on Lewiston, Idaho to Washington, D.C. flight tickets
Delta
Dec 10
LWS7:00 amLewiston Nez Perce Rgnl
14h 27m
2 stops
BWI12:27 amBaltimore/Washington
Dec 13
BWI6:00 amBaltimore/Washington
18h 02m
2 stops
LWS9:02 pmLewiston Nez Perce Rgnl
$365
Find similar
Delta
Mar 3
LWS7:05 amLewiston Nez Perce Rgnl
13h 11m
1 stop
IAD11:16 pmWashington, D.C. Dulles Intl
Mar 7
IAD7:00 amWashington, D.C. Dulles Intl
17h 02m
1 stop
LWS9:02 pmLewiston Nez Perce Rgnl
$455
Find similar
Delta
Mar 3
LWS12:30 pmLewiston Nez Perce Rgnl
31h 46m
2 stops
IAD11:16 pmWashington, D.C. Dulles Intl
Mar 7
IAD7:00 amWashington, D.C. Dulles Intl
17h 02m
1 stop
LWS9:02 pmLewiston Nez Perce Rgnl
$460
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lewiston, Idaho 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, momondo users made 832,500 searches. Data last updated September 24, 2025.
Use the filters below to find and compare flights from Lewiston, Idaho to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Wed 12/10

7:00 am-12:27 am

2 stops14h 27m

Baltimore/Washington

Sat 12/13

6:00 am-9:02 pm

2 stops18h 02m

$365

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

7:05 am-11:16 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$455

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$460

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Wed 12/10

7:00 am-12:27 am

2 stops14h 27m

Baltimore/Washington

Sat 12/13

7:15 am-11:37 am

1 stop7h 22m

$461

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

7:05 am-11:16 pm

1 stop13h 11m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$475

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:00 am-9:02 pm

1 stop17h 02m

$480

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

7:05 am-3:32 pm

1 stop29h 27m

Washington, D.C. Reagan-National

Sat 3/7

4:40 pm-8:02 pm

1 stop30h 22m

$491

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-3:32 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Sat 3/7

4:40 pm-8:02 pm

1 stop30h 22m

$497

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-11:16 pm

2 stops31h 46m

Washington, D.C. Dulles Intl

Sat 3/7

7:59 pm-8:02 pm

2 stops51h 03m

$508

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Tue 3/3

12:30 pm-3:32 pm

2 stops24h 02m

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-8:02 pm

2 stops40h 57m

$520

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lewiston, Idaho to Washington, D.C.

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.?

On average, the least expensive day to fly to Washington, D.C. from Lewiston, Idaho is on a Friday. momondo users have found tickets for Friday departures for as low as $637. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Lewiston, Idaho to Washington, D.C. for around $758.

Can stopping save me money on Lewiston, Idaho to Washington, D.C. flights?

You could potentially save up to 28% on your flight if you consider stops on a Lewiston, Idaho to Washington, D.C. flight.

When to book flights from Lewiston, Idaho to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Lewiston, Idaho to Washington, D.C. 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. (LWS to WAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Lewiston, Idaho to Washington, D.C.. There are no popular flight routes from Lewiston, Idaho to Washington, D.C..
Search flight deals

  • How far is Lewiston Nez Perce Rgnl to Washington, D.C. by plane?

    The distance between Lewiston Nez Perce Rgnl and Washington, D.C. is about 2070.7 mi. A reasonable flight in good conditions will take 6h 31m.

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

    Prices for flights from Lewiston Nez Perce Rgnl Airport to Washington, D.C. are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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..

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

    The required travel and health documents for your Washington, D.C. 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.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Lewiston, Idaho to Washington, D.C.?

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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

Why use momondo?

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

Finding the right flight to Washington, D.C. from Lewiston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Lewiston with this policy.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Lewiston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport