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Lewiston

$494+ Cheap flights from Washington, D.C. (WAS) to Lewiston, ID (LWS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LWS
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Lewiston (LWS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 14, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$567
(Delta)

One-way from

$494
(Delta)
Provider with most accurate pricing for Washington, D.C. (WAS)-Lewiston Nez Perce Rgnl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lewiston Nez Perce Rgnl flights.
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From Washington, D.C. (WAS) to Lewiston Nez Perce Rgnl
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One-way flight from Washington, D.C. (WAS) to Lewiston Nez Perce Rgnl
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Find flight deals from Washington, D.C. to Lewiston

Cheapest flights from Washington, D.C. to Lewiston
Explore the most affordable flight options available from Washington, D.C. to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 14, 2026.

This Delta deal was found by Cheapflights users on 1/12. 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.
mar. 1/2710:33 am
BWI
-
LWS
2 stops13h 26m
Delta
sáb. 1/317:05 am
LWS
-
BWI
2 stops13h 39m
Delta
Deal found 1/12$567
This Delta deal was found by Cheapflights users on 1/12. 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.
mar. 1/277:05 am
IAD
-
LWS
1 stop7h 37m
Delta
sáb. 1/3112:24 pm
LWS
-
IAD
1 stop8h 24m
Delta
Deal found 1/12$596
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 1/287:00 am
BWI
-
LWS
1 stop7h 42m
Delta
dom. 2/112:24 pm
LWS
-
BWI
1 stop8h 20m
Delta
Deal found 1/13$632
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 1/287:05 am
IAD
-
LWS
1 stop7h 37m
Delta
dom. 2/17:05 am
LWS
-
IAD
2 stops13h 52m
Delta
Deal found 1/13$638
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 3/257:20 am
IAD
-
LWS
1 stop7h 07m
Delta
vie. 4/312:10 pm
LWS
-
IAD
1 stop8h 30m
Delta
Deal found 1/13$1,002
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 3/254:40 pm
DCA
-
LWS
1 stop9h 20m
Delta
vie. 4/312:10 pm
LWS
-
DCA
2 stops8h 29m
Delta
Deal found 1/13$1,038
This Delta deal was found by Cheapflights users on 1/12. 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.
mar. 1/271:40 pm
DCA
-
LWS
2 stops10h 19m
Delta
sáb. 1/317:05 am
LWS
-
DCA
2 stops13h 31m
Delta
Deal found 1/12$1,065
This Delta deal was found by Cheapflights users on 1/13. 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.
mié. 1/281:40 pm
DCA
-
LWS
2 stops10h 19m
Delta
dom. 2/17:05 am
LWS
-
DCA
2 stops13h 21m
Delta
Deal found 1/13$1,071

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Lewiston 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 enero 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Lewiston that are best for you.

Fly from

Washington, D.C.

Fly to

Lewiston

Route

Depart

Return

Price

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

mar. 1/27

10:33 am-8:59 pm

2 stops13h 26m

Lewiston Nez Perce Rgnl

sáb. 1/31

7:05 am-11:44 pm

2 stops13h 39m

$567

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

mar. 1/27

7:05 am-11:42 am

1 stop7h 37m

Lewiston Nez Perce Rgnl

sáb. 1/31

12:24 pm-11:48 pm

1 stop8h 24m

$596

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

mié. 1/28

7:00 am-11:42 am

1 stop7h 42m

Lewiston Nez Perce Rgnl

dom. 2/1

12:24 pm-11:44 pm

1 stop8h 20m

$632

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

mié. 1/28

7:05 am-11:42 am

1 stop7h 37m

Lewiston Nez Perce Rgnl

dom. 2/1

7:05 am-11:57 pm

2 stops13h 52m

$638

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

mié. 3/25

7:20 am-11:27 am

1 stop7h 07m

Lewiston Nez Perce Rgnl

vie. 4/3

12:10 pm-11:40 pm

1 stop8h 30m

$1,002

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

mié. 3/25

4:40 pm-11:00 pm

1 stop9h 20m

Lewiston Nez Perce Rgnl

vie. 4/3

12:10 pm-11:39 pm

2 stops8h 29m

$1,038

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

mar. 1/27

1:40 pm-8:59 pm

2 stops10h 19m

Lewiston Nez Perce Rgnl

sáb. 1/31

7:05 am-11:36 pm

2 stops13h 31m

$1,065

Washington, D.C.Lewiston

DCA - LWS

DCALWS

Washington, D.C. Reagan-National

mié. 1/28

1:40 pm-8:59 pm

2 stops10h 19m

Lewiston Nez Perce Rgnl

dom. 2/1

7:05 am-11:26 pm

2 stops13h 21m

$1,071

BaltimoreLewiston

BWI - LWS

BWILWS

Baltimore/Washington

dom. 5/17

7:10 am-11:42 am

1 stop7h 32m

$494

Washington, D.C.Lewiston

IAD - LWS

IADLWS

Washington, D.C. Dulles Intl

jue. 4/2

7:20 am-11:27 am

1 stop7h 07m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

  • Most accurate provider: When it comes to deals on Washington, D.C.-Lewiston, Idaho flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C.-Lewiston, Idaho flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C.-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Lewiston, Idaho flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Washington, D.C. 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 Washington, D.C. to Lewiston

What is the cheapest month to book a flight from Washington, D.C. to Lewiston, Idaho?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Lewiston, Idaho (average of $183). Flying from Washington, D.C. to Lewiston, Idaho in November is currently the most expensive (average of $313). 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 Washington, D.C. to Lewiston. 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 into for flights to Lewiston from Washington, D.C.?

    For a flight from Washington, D.C. to Lewiston, you will be flying into Nez Perce Rgnl. Lewiston Nez Perce Rgnl (LWS) is just 1.9 mi from the center of the city. Nez Perce Rgnl is the only Lewiston airport and it handles 0 inbound flights from Washington, D.C. per day. 0 airlines have flights to Lewiston Nez Perce Rgnl from Washington, D.C. on a regular basis.

  • How long is the flight from Washington, D.C. to Lewiston, Idaho?

    There are many flights that can get you from Washington, D.C. to Lewiston, Idaho in 13h 26m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2080 mi.

  • What are the most popular routes from Washington, D.C. to Lewiston, Idaho?

    The most popular route from Washington, D.C. to Lewiston, Idaho is Washington, D.C. Dulles Intl - Lewiston Nez Perce Rgnl. You may also consider Washington, D.C. Reagan-National - Lewiston Nez Perce Rgnl or Baltimore/Washington - Lewiston Nez Perce Rgnl.

  • Can I find deals for flights from Washington, D.C. to Lewiston that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Lewiston?

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

  • Can I find deals for business class flights from Washington, D.C. to Lewiston?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Lewiston 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 Washington, D.C. to Lewiston, Idaho?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Lewiston, Idaho (average of $183). Flying from Washington, D.C. to Lewiston, Idaho in November is currently the most expensive (average of $313). 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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