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Washington, D.C.

$405+ Cheap flights from Lewiston, ID (LWS) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — WAS
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Lewiston to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Washington, D.C. (WAS). 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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$405
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Washington, D.C. (WAS) flights.
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From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
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Find flight deals from Lewiston to Washington, D.C.

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

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.
Sat 2/287:00 am
LWS
-
BWI
2 stops13h 12m
Delta
Thu 3/511:45 am
BWI
-
LWS
2 stops12h 07m
Delta
Deal found 1/13$405
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.
Sat 2/287:00 am
LWS
-
DCA
2 stops13h 28m
Delta
Thu 3/512:59 pm
DCA
-
LWS
2 stops10h 53m
Delta
Deal found 1/13$585
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.
Tue 1/2712:24 pm
LWS
-
BWI
1 stop8h 20m
Delta
Sat 1/317:00 am
BWI
-
LWS
1 stop7h 42m
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.
Sat 2/2812:24 pm
LWS
-
IAD
1 stop8h 22m
Delta
Thu 3/512:38 pm
IAD
-
LWS
2 stops11h 14m
Delta
Deal found 1/13$602
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.
Fri 5/1512:30 pm
LWS
-
IAD
1 stop8h 21m
Delta
Fri 5/297:15 am
IAD
-
LWS
1 stop7h 27m
Delta
Deal found 1/12$652
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.
Sun 6/712:30 pm
LWS
-
IAD
1 stop8h 21m
Delta
Sat 6/137:15 am
IAD
-
LWS
1 stop7h 27m
Delta
Deal found 1/12$948
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.
Tue 2/1712:24 pm
LWS
-
BWI
2 stops9h 11m
Delta
Fri 2/2011:45 am
BWI
-
LWS
2 stops12h 07m
Delta
Deal found 1/12$1,855
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.
Tue 2/1712:24 pm
LWS
-
IAD
1 stop8h 22m
Delta
Fri 2/2012:38 pm
IAD
-
LWS
2 stops11h 14m
Delta
Deal found 1/12$1,884

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Fly from

Lewiston

Fly to

Washington, D.C.

Route

Depart

Return

Price

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Sat 2/28

7:00 am-11:12 pm

2 stops13h 12m

Baltimore/Washington

Thu 3/5

11:45 am-8:52 pm

2 stops12h 07m

$405

LewistonWashington, D.C.

LWS - DCA

LWSDCA

Lewiston Nez Perce Rgnl

Sat 2/28

7:00 am-11:28 pm

2 stops13h 28m

Washington, D.C. Reagan-National

Thu 3/5

12:59 pm-8:52 pm

2 stops10h 53m

$585

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 1/27

12:24 pm-11:44 pm

1 stop8h 20m

Baltimore/Washington

Sat 1/31

7:00 am-11:42 am

1 stop7h 42m

$596

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sat 2/28

12:24 pm-11:46 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Thu 3/5

12:38 pm-8:52 pm

2 stops11h 14m

$602

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 5/15

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Fri 5/29

7:15 am-11:42 am

1 stop7h 27m

$652

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Sun 6/7

12:30 pm-11:51 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Sat 6/13

7:15 am-11:42 am

1 stop7h 27m

$948

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 2/17

12:24 pm-12:35 am

2 stops9h 11m

Baltimore/Washington

Fri 2/20

11:45 am-8:52 pm

2 stops12h 07m

$1,855

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 2/17

12:24 pm-11:46 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Fri 2/20

12:38 pm-8:52 pm

2 stops11h 14m

$1,884

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Mon 4/20

12:13 pm-11:44 pm

1 stop8h 31m

$567

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Mon 4/20

6:09 am-6:01 pm

2 stops8h 52m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 11 results
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Compare providers for flights from Lewiston to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lewiston to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lewiston, Idaho-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lewiston, Idaho-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lewiston, Idaho-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams 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 Lewiston, Idaho-Washington, D.C. 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 Lewiston to Washington, D.C.

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

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

Currently, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $91). Flying from Lewiston, Idaho to Washington, D.C. in December is currently the most expensive (average of $404). 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 Lewiston to Washington, D.C.. 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 from for flights from Lewiston to Washington, D.C.?

    For a flight from Lewiston to Washington, D.C., you will be flying from 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 outbound flights to Washington, D.C. per day. 0 airlines have flights to Washington, D.C. from Lewiston Nez Perce Rgnl on a regular basis.

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

    For as low as $405, Delta can have you in Washington, D.C. from Lewiston, Idaho in 13h 12m. Lewiston, Idaho and Washington, D.C. are separated by a distance of 2080 mi.

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

    Most travelers choose Lewiston Nez Perce Rgnl - Washington, D.C. Dulles Intl, Lewiston Nez Perce Rgnl - Baltimore/Washington or Lewiston Nez Perce Rgnl - Washington, D.C. Reagan-National when deciding on the best route from Lewiston, Idaho to Washington, D.C..

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Lewiston, Idaho to Washington, D.C. (average of $91). Flying from Lewiston, Idaho to Washington, D.C. in December is currently the most expensive (average of $404). 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.

See more FAQs

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