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Washington, D.C.

$302+ Cheap flights from Lewiston, ID (LWS) to Washington, D.C. (WAS)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — WAS
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
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Cheap 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 May 29, 2026.

This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
IAD
1 stop8h 16m
Delta
Wed 11/47:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$516
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
IAD
2 stops8h 35m
Delta
Tue 11/107:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$522
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
BWI
2 stops8h 41m
Delta
Wed 11/47:10 am
BWI
-
LWS
1 stop7h 36m
Delta
Deal found 5/28$522
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
IAD
1 stop8h 16m
Delta
Fri 11/67:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$526
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
IAD
2 stops8h 35m
Delta
Sat 11/77:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$532
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
BWI
2 stops8h 41m
Delta
Thu 11/57:10 am
BWI
-
LWS
1 stop7h 36m
Delta
Deal found 5/28$532
This Delta deal was found by Cheapflights users on 5/28. 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 10/1712:30 pm
LWS
-
IAD
1 stop8h 16m
Delta
Sun 11/87:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$536
This Delta deal was found by Cheapflights users on 5/28. 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 10/1712:30 pm
LWS
-
IAD
2 stops8h 35m
Delta
Tue 11/1011:05 am
IAD
-
LWS
2 stops14h 44m
Delta
Deal found 5/28$537
This Delta deal was found by Cheapflights users on 5/28. 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 10/2012:30 pm
LWS
-
BWI
2 stops8h 41m
Delta
Sat 11/71:00 pm
BWI
-
LWS
2 stops12h 49m
Delta
Deal found 5/28$537
This Delta deal was found by Cheapflights users on 5/28. 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 10/1712:30 pm
LWS
-
IAD
2 stops8h 35m
Delta
Thu 11/57:15 am
IAD
-
LWS
1 stop7h 31m
Delta
Deal found 5/28$542
This Delta deal was found by Cheapflights users on 5/28. 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.
Thu 10/2212:30 pm
LWS
-
BWI
2 stops8h 41m
Delta
Mon 11/97:10 am
BWI
-
LWS
1 stop7h 36m
Delta
Deal found 5/28$542
This Delta deal was found by Cheapflights users on 5/28. 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.
Thu 10/2212:30 pm
LWS
-
BWI
2 stops8h 41m
Delta
Thu 11/51:00 pm
BWI
-
LWS
2 stops12h 49m
Delta
Deal found 5/28$547

Find 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 May 29, 2026.

Round-trip from

$516
(Delta)

One-way from

$302
(Delta)
From Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Washington, D.C. (WAS)
Search Deals

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 May 29, 2026.
Use the filters below to find and compare flights from Lewiston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 10/20

12:30 pm-12:05 am

2 stops8h 35m

Washington, D.C. Dulles Intl

Tue 11/10

7:15 am-11:46 am

1 stop7h 31m

$522

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 10/20

12:30 pm-12:11 am

2 stops8h 41m

Baltimore/Washington

Tue 11/10

7:10 am-11:46 am

1 stop7h 36m

$522

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Tue 10/20

12:30 pm-12:11 am

2 stops8h 41m

Baltimore/Washington

Wed 11/4

7:10 am-11:46 am

1 stop7h 36m

$522
Quickest round-trip

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 10/21

12:30 pm-11:46 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Sat 11/7

7:15 am-11:46 am

1 stop7h 31m

$526

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Wed 10/21

12:30 pm-11:46 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Thu 11/5

7:15 am-11:46 am

1 stop7h 31m

$526

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Thu 10/22

12:30 pm-11:46 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 11/10

7:15 am-11:46 am

1 stop7h 31m

$526

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 10/20

12:30 pm-11:46 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Sun 11/8

7:15 am-11:46 am

1 stop7h 31m

$526

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Tue 10/20

12:30 pm-12:05 am

2 stops8h 35m

Washington, D.C. Dulles Intl

Fri 11/6

7:15 am-11:46 am

1 stop7h 31m

$532

LewistonWashington, D.C.

LWS - IAD

LWSIAD

Lewiston Nez Perce Rgnl

Fri 10/23

12:30 pm-11:46 pm

1 stop8h 16m

Washington, D.C. Dulles Intl

Tue 11/10

11:05 am-10:49 pm

2 stops14h 44m

$532

LewistonBaltimore

LWS - BWI

LWSBWI

Lewiston Nez Perce Rgnl

Mon 10/19

12:30 pm-12:11 am

2 stops8h 41m

Baltimore/Washington

Tue 11/10

7:10 am-11:46 am

1 stop7h 36m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/24

Showing 1-10 of 40 resultsSorted by cheapest first
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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.
No data available for this route at this time. Please check back soon.

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 $522, Delta can have you in Washington, D.C. from Lewiston, Idaho in 8h 35m. Lewiston, Idaho and Washington, D.C. are separated by a distance of 2050 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 - Washington, D.C. Reagan-National or Lewiston Nez Perce Rgnl - Baltimore/Washington 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.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
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