IAD - LWS

$638 Find Cheap Flights from Washington, D.C. to Lewiston - Compare and Save

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Everything you should know

Cheapest round-trip
$638
Typical prices: $396-$776
Delta
Fri 11/2Tue 11/6
IAD - LWS • 2 stops
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Cheap Flights from Washington, D.C. to Lewiston (IAD-LWS)

 

Cheap flights from Washington, D.C. to Lewiston with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 2 - Fri, Nov 6
Delta Logo
2:28 pm - 11:06 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
11h 38m2 stops Minneapolis St Paul Seattle/Tacoma Intl
Delta Logo
9:15 am - 8:06 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
7h 51m1 stop Seattle/Tacoma Intl
$638Delta
Mon, Nov 2 - Fri, Nov 6
Delta Logo
2:28 pm - 11:06 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
11h 38m2 stops Minneapolis St Paul Seattle/Tacoma Intl
Delta Logo
12:19 pm - 12:42 amLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
9h 23m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$643Delta
Mon, Nov 2 - Fri, Nov 6
Delta Logo
6:13 am - 11:39 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
8h 26m1 stop Salt Lake City
Delta Logo
12:19 pm - 11:35 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 16m1 stop Salt Lake City
$965Delta
Tue, Dec 22 - Mon, Dec 28
Delta Logo
12:36 pm - 10:59 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
13h 23m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl
Delta Logo
12:17 pm - 11:41 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 24m1 stop Salt Lake City
$1,614Delta
Tue, Dec 22 - Mon, Dec 28
Delta Logo
12:36 pm - 10:59 pmIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
13h 23m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl
Delta Logo
7:00 am - 11:33 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
13h 33m2 stops Seattle/Tacoma Intl Minneapolis St Paul
$1,619Delta
Tue, Dec 22 - Mon, Dec 28
Delta Logo
7:00 am - 11:35 amIAD  Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl
7h 35m1 stop Salt Lake City
Delta Logo
12:17 pm - 11:41 pmLWS  Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl
8h 24m1 stop Salt Lake City
$1,728Delta

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 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 typically range from $396 to $776. The lowest price found in the past 5 days was $638, on Delta.

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

Cheapest flight

$638
Round-trip 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Only First Class is available on flights from Washington, D.C. Dulles Intl Airport to Lewiston.

  • 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 $638 to $1,728. That means the highest observed fare was about 3x higher than the lowest one.

  • 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.

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

    Yes. Flexible dates can save you up to 49% on flights from Washington, D.C. Dulles Intl Airport to Lewiston. Tuesday is the cheapest departure day at $396 round-trip on average, while Saturday is the most expensive at $776, a difference of $380.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $396, about $380 less than Saturday fares (49% savings) based on the last 12 months.

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