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Cheap flights from Washington, D.C. to Lewiston from $360

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Lewiston departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Lewiston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:15 am - 11:37 am
BWI
-
LWS
7h 22m
1 stop
Delta Logo
9:00 am - 11:13 pm
LWS
-
BWI
11h 13m
2 stops
$863Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
7:15 am - 11:37 am
IAD
-
LWS
7h 22m
1 stop
Delta Logo
9:00 am - 11:20 pm
LWS
-
IAD
11h 20m
2 stops
$983Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
12:32 pm - 11:19 pm
BWI
-
LWS
13h 47m
2 stops
Delta Logo
9:00 am - 11:13 pm
LWS
-
BWI
11h 13m
2 stops
$1,035Delta
Mon, Jul 6 - Fri, Jul 10
Delta Logo
12:33 pm - 10:57 pm
BWI
-
LWS
13h 24m
2 stops
Delta Logo
9:00 am - 11:13 pm
LWS
-
BWI
11h 13m
2 stops
$1,038Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
7:15 am - 11:37 am
IAD
-
LWS
7h 22m
1 stop
Delta Logo
12:18 pm - 11:29 pm
LWS
-
IAD
8h 11m
1 stop
$1,053Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
4:35 pm - 10:57 pm
DCA
-
LWS
9h 22m
1 stop
Delta Logo
9:00 am - 10:02 pm
LWS
-
DCA
10h 02m
2 stops
$1,071Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
6:00 am - 11:37 am
DCA
-
LWS
8h 37m
2 stops
Delta Logo
9:00 am - 10:02 pm
LWS
-
DCA
10h 02m
2 stops
$1,076Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
7:05 am - 11:36 am
BWI
-
LWS
7h 31m
1 stop
Delta Logo
9:00 am - 11:13 pm
LWS
-
BWI
11h 13m
2 stops
$1,122Delta
Mon, Jul 6 - Fri, Jul 10
Delta Logo
11:10 am - 10:57 pm
IAD
-
LWS
14h 47m
2 stops
Delta Logo
9:00 am - 11:20 pm
LWS
-
IAD
11h 20m
2 stops
$1,208Delta
Fri, Jul 10 - Tue, Jul 14
Delta Logo
7:15 am - 11:36 am
IAD
-
LWS
7h 21m
1 stop
Delta Logo
12:18 pm - 11:29 pm
LWS
-
IAD
8h 11m
1 stop
$1,506Delta
Mon, Jul 6 - Fri, Jul 10

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

Our best Delta deals on Washington, D.C. to Lewiston, Idaho flight tickets
Delta
Jul 10
BWI7:15 amBaltimore/Washington
7h 22m
1 stop
LWS11:37 amLewiston Nez Perce Rgnl
Jul 14
LWS9:00 amLewiston Nez Perce Rgnl
11h 13m
2 stops
BWI11:13 pmBaltimore/Washington
$863
Delta
Jul 10
IAD7:15 amWashington, D.C. Dulles Intl
7h 22m
1 stop
LWS11:37 amLewiston Nez Perce Rgnl
Jul 14
LWS9:00 amLewiston Nez Perce Rgnl
11h 20m
2 stops
IAD11:20 pmWashington, D.C. Dulles Intl
$983
Delta
Jun 28
IAD7:15 amWashington, D.C. Dulles Intl
7h 21m
1 stop
LWS11:36 amLewiston Nez Perce Rgnl
Jul 5
LWS12:16 pmLewiston Nez Perce Rgnl
8h 15m
1 stop
IAD11:31 pmWashington, D.C. Dulles Intl
$1,007

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Lewiston, Idaho 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 June 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Lewiston, Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

Fri 7/10

7:15 am-11:37 am

1 stop7h 22m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-11:13 pm

2 stops11h 13m

$863

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 7/10

7:15 am-11:37 am

1 stop7h 22m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-11:20 pm

2 stops11h 20m

$983

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

Mon 7/6

12:32 pm-11:19 pm

2 stops13h 47m

Lewiston Nez Perce Rgnl

Fri 7/10

9:00 am-11:13 pm

2 stops11h 13m

$1,035

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

Fri 7/10

12:33 pm-10:57 pm

2 stops13h 24m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-11:13 pm

2 stops11h 13m

$1,038

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 7/10

7:15 am-11:37 am

1 stop7h 22m

Lewiston Nez Perce Rgnl

Tue 7/14

12:18 pm-11:29 pm

1 stop8h 11m

$1,053

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

Fri 7/10

4:35 pm-10:57 pm

1 stop9h 22m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-10:02 pm

2 stops10h 02m

$1,071

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

Fri 7/10

6:00 am-11:37 am

2 stops8h 37m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-10:02 pm

2 stops10h 02m

$1,076

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

Mon 7/6

7:05 am-11:36 am

1 stop7h 31m

Lewiston Nez Perce Rgnl

Fri 7/10

9:00 am-11:13 pm

2 stops11h 13m

$1,122

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Fri 7/10

11:10 am-10:57 pm

2 stops14h 47m

Lewiston Nez Perce Rgnl

Tue 7/14

9:00 am-11:20 pm

2 stops11h 20m

$1,208
Quickest round-trip

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

Mon 7/6

7:15 am-11:36 am

1 stop7h 21m

Lewiston Nez Perce Rgnl

Fri 7/10

12:18 pm-11:29 pm

1 stop8h 11m

$1,506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lewiston from

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

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 Washington, D.C. to Lewiston Nez Perce Rgnl?

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

What airlines fly to Lewiston, Idaho?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Lewiston, Idaho from Washington, D.C. according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Lewiston, Idaho. Keep in mind that there are 5 different airlines that fly to Lewiston, Idaho on a routine basis, so you have a few additional options to choose from.

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

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

Cheap Washington, D.C. to Lewiston, Idaho (WAS to LWS) flight deals and tips

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

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from Washington, D.C. to Lewiston, Idaho takes 7h 21m
There are no direct flights from Washington, D.C. to Lewiston, Idaho. There are no popular flight routes from Washington, D.C. to Lewiston, Idaho.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Lewiston, Idaho

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

    Washington, D.C. and Lewiston Nez Perce Rgnl are 2070.7 mi apart from one another. By plane, this route typically takes 7h 21m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Lewiston Nez Perce Rgnl Airport.

  • What documentation or ID do you need to fly to Lewiston Nez Perce Rgnl Airport?

    The travel and health documents you'll need for your trip to Lewiston Nez Perce Rgnl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lewiston Nez Perce Rgnl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Lewiston from Washington, D.C. 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 Lewiston quick and easy, saving you time and money.

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

Flights from Washington, D.C. to Lewiston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

Yes momondo offers price alerts on flights to Lewiston from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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