IAD - LWS

$412 Find Cheap Flights from Washington, D.C. to Lewiston - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$589
Typical prices: $396-$776
Delta
Sun 9/2Thu 9/6
IAD - LWS • 1 stop
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Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to Lewiston (IAD-LWS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Lewiston

Wed, Sep 2 - Sun, Sep 6
Delta Logo
7:00 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 43m1 stop Salt Lake City
Delta Logo
12:23 pm - 11:39 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$589Delta
Wed, Sep 2 - Sun, Sep 6
Delta Logo
6:10 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
8h 33m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
12:23 pm - 11:39 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$595Delta
Thu, Sep 3 - Mon, Sep 7
Delta Logo
7:10 am - 10:59 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
18h 49m1 stop Seattle/Tacoma Intl
Delta Logo
9:23 am - 11:14 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
34h 51m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County
$1,054Delta
Thu, Sep 3 - Mon, Sep 7
Delta Logo
7:10 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
31h 33m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
12:23 pm - 10:56 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
31h 33m2 stops Salt Lake City Seattle/Tacoma Intl
$1,072Delta
Thu, Sep 3 - Mon, Sep 7
Delta Logo
7:10 am - 10:59 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
18h 49m1 stop Seattle/Tacoma Intl
Delta Logo
9:23 am - 11:59 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
11h 36m1 stop Seattle/Tacoma Intl
$1,234Delta
Wed, Sep 2 - Sun, Sep 6
Delta Logo
6:10 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
8h 33m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
9:23 am - 11:21 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
10h 58m2 stops Seattle/Tacoma Intl Minneapolis St Paul
$1,295Delta
Thu, Nov 26 - Sat, Nov 28
Delta Logo
11:15 am - 11:03 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
14h 48m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl
Delta Logo
12:21 pm - 11:37 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$1,319Delta
Thu, Sep 3 - Mon, Sep 7
Delta Logo
7:00 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 43m1 stop Salt Lake City
Delta Logo
12:23 pm - 11:39 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$1,378Delta
Fri, Sep 4 - Mon, Sep 7
Delta Logo
7:00 am - 11:43 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 43m1 stop Salt Lake City
Delta Logo
12:23 pm - 11:39 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$1,388Delta
Thu, Nov 26 - Sat, Nov 28
Delta Logo
11:15 am - 11:03 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
14h 48m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl
Delta Logo
12:21 pm - 11:37 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$1,549Delta
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Lewiston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Lewiston with more confidence.

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Lewiston?

Delta ($589) offered the cheapest round-trip ticket from Washington, D.C. Dulles Intl Airport to Lewiston in the last 5 days.

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Key details for Washington, D.C. Dulles Intl Airport to Lewiston flights

Cheapest flight

$412
Flight from Washington, D.C. Dulles Intl Airport to Lewiston

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Lewiston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Lewiston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Lewiston?

    Flights from Washington, D.C. Dulles Intl Airport to Lewiston usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Lewiston Nez Perce Rgnl (LWS).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Lewiston pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to Lewiston pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Lewiston?

    Yes. Being flexible with your travel dates can save you up to 6% on the Washington, D.C. Dulles Intl Airport to Lewiston route. Tuesday is the cheapest departure day at $736 round-trip on average, while Saturday is the most expensive at $776, a difference of $40. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Lewiston?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Lewiston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $589 to $2,135. That means the highest observed fare was about 4x higher than the lowest one.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Lewiston?

    Lewiston is 3 hours behind Washington, D.C. Dulles Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Lewiston flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Lewiston range from $396 to $776, with an average of $736 over the past 12 months. Anything below $396 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Lewiston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $736 - about $40 less than Saturday (5% savings) based on the last 12 months.

Everything you need to know for your flight from Washington, D.C. to Lewiston

Information on your arrival and departure airports

Washington, D.C. (IAD)
Lewiston (LWS)