$164 Find Cheap Flights from Seattle to Lewiston - Compare and Save

Among airlines operating Seattle to Lewiston flights:

• Delta: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Delta operates flights between Seattle and Lewiston.

Flights from Seattle to Lewiston usually depart from Seattle/Tacoma Intl (SEA) and arrive at Lewiston Nez Perce Rgnl (LWS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Only Economy Class is available on flights from Seattle to Lewiston.

On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $289 round-trip, compared to $747 via a layover through Salt Lake City (SLC).

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$70 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Embraer 175 variants.

Most connecting flights from Seattle 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%.

Yes. Being flexible with your travel dates can save you up to 57% on the Seattle to Lewiston route. Tuesday is the cheapest departure day at $169 round-trip on average, while Sunday is the most expensive at $386, a difference of $217. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Night is the busiest departure period on Seattle to Lewiston flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and evening flights for 0%.

These are the earliest and latest flight times available from Seattle to Lewiston:

• Earliest: departs at 9:30 pm and lands at 10:52 pm
• Latest: departs at 9:45 pm and lands at 11:07 pm.

The flight takes about 1h 22m.

A nonstop flight from Seattle to Lewiston takes 1h 22m, covering 260 miles.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $189 to $1,369. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Seattle to Lewiston are currently lower than usual. Average one-way flight prices are about $164, which is 48% below the typical average for this route.

Round-trip flights from Seattle to Lewiston range from $226 to $386, with an average of $308 over the past 12 months. Anything below $226 counts as a good deal.

Delta is the only airline on the Seattle to Lewiston route offering in-flight Wi-Fi. Pricing depends on fare class.