IAD - LWS

$1,104 Find Cheap Flights from Washington, D.C. to Lewiston - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,104
Typical prices: $396-$776
Delta
Sat 9/22Wed 9/26
IAD - LWS • 1 stop
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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

Tue, Sep 22 - Sat, Sep 26
Delta Logo
7:00 am - 11:34 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 34m1 stop Salt Lake City
Delta Logo
9:16 am - 8:01 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
7h 45m1 stop Seattle/Tacoma Intl
$1,104Delta
Tue, Sep 22 - Sat, Sep 26
Delta Logo
7:00 am - 11:34 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 34m1 stop Salt Lake City
Delta Logo
9:16 am - 11:14 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
10h 58m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County
$1,110Delta
Tue, Sep 22 - Sat, Sep 26
Delta Logo
12:25 pm - 11:08 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
13h 43m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl
Delta Logo
9:16 am - 11:14 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
10h 58m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County
$1,478Delta
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.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Lewiston?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Lewiston start at $1,104. Prices are above average for this route right now, with typical round-trip fares ranging from $396 to $776. The lowest price found in the past 5 days was $1,104 on Delta.

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

Cheapest flight

$1,104
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).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Lewiston?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Lewiston:

    • Economy Class
    • First Class

  • 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 varied from about $1,104 to $1,478. That means the highest observed fare was about 33% 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.

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.

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