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.

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.

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

Delta ($450) offered the cheapest round-trip ticket from Washington, D.C. Dulles Intl Airport to Lewiston in the last 5 days.

What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Lewiston?

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $636. Based on KAYAK data over the past 3 months.

When flying from Washington, D.C. Dulles Intl Airport to Lewiston which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for Washington, D.C. Dulles Intl Airport to Lewiston layovers at 283 minutes over the past 3 months.

$305 CHEAP FLIGHTS from Washington, D.C. to Lewiston (IAD - LWS)

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Cheapest round-trip

$450

Typical prices: $396-$776

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Mon 12/3Thu 12/6

IAD - LWS • 1 stop

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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.

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

Thu, Dec 3 - Sun, Dec 6

7:00 am - 11:38 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

7h 38m1 stop Salt Lake City

12:19 pm - 11:47 pmLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

8h 28m1 stop Salt Lake City

$450Delta

Thu, Dec 3 - Sun, Dec 6

7:00 am - 11:38 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

7h 38m1 stop Salt Lake City

9:08 am - 11:23 pmLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

11h 15m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

$456Delta

Thu, Dec 3 - Sun, Dec 6

11:30 am - 11:04 pmIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

14h 34m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

9:08 am - 11:23 pmLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

11h 15m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

$614Delta

Fri, Nov 13 - Mon, Nov 16

7:00 am - 11:44 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

7h 44m1 stop Salt Lake City

12:24 pm - 11:47 pmLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

8h 23m1 stop Salt Lake City

$650Delta

Tue, Sep 29 - Sat, Oct 3

7:00 am - 11:34 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

7h 34m1 stop Salt Lake City

9:16 am - 8:01 pmLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

7h 45m1 stop Seattle/Tacoma Intl

$857Delta

Tue, Sep 29 - Sat, Oct 3

7:00 am - 11:34 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

7h 34m1 stop Salt Lake City

12:14 pm - 12:41 amLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

9h 27m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$863Delta

Tue, Sep 29 - Sat, Oct 3

6:10 am - 11:34 amIAD Washington, D.C. Dulles Intl-LWS Lewiston Nez Perce Rgnl

8h 24m2 stops Detroit Metropolitan Wayne County Salt Lake City

12:14 pm - 12:41 amLWS Lewiston Nez Perce Rgnl-IAD Washington, D.C. Dulles Intl

9h 27m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$977Delta

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.

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Layovers

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 $450. Prices are typical 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 $450 on Delta.

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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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 showed a wide range, from about $450 to $977. That means the highest observed fare was about 2x 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.

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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IAD - LWS

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Everything you should know

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

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

Recent one-way flight deals from Washington, D.C. to Lewiston

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

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

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

What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Lewiston?

When flying from Washington, D.C. Dulles Intl Airport to Lewiston which airport offers the shortest layover?

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

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

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

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