HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lewiston

$164+ Cheap flights from Seattle to Lewiston, ID (SEA - LWS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LWS
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Lewiston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Lewiston (LWS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$189
(Delta)

One-way from

$164
(Delta)

Popular in

November

Cheapest in

October

Average price

$378
From Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl
Search Deals
One-way flight from Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Seattle to Lewiston

Cheapest flights from Seattle to Lewiston
Explore the most affordable flight options available from Seattle to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/137:45 pmSEA - LWS
Nonstop1h 20mDelta
dom. 9/147:05 amLWS - SEA
Nonstop1h 25mDelta
Deal found 8/12$189
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/297:45 pmSEA - LWS
Nonstop1h 18mDelta
mar. 9/27:05 amLWS - SEA
Nonstop1h 24mDelta
Deal found 8/13$289
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/127:45 pmSEA - LWS
Nonstop1h 20mDelta
dom. 9/147:05 amLWS - SEA
Nonstop1h 25mDelta
Deal found 8/14$309
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/267:45 pmSEA - LWS
Nonstop1h 20mDelta
vie. 10/32:02 pmLWS - SEA
1 stop4h 22mDelta
Deal found 8/14$319
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/47:45 pmSEA - LWS
Nonstop1h 18mDelta
lun. 9/87:10 amLWS - SEA
Nonstop1h 24mDelta
Deal found 8/14$339
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/117:45 pmSEA - LWS
Nonstop1h 20mDelta
mar. 9/162:02 pmLWS - SEA
1 stop4h 34mDelta
Deal found 8/14$349
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/127:45 pmSEA - LWS
Nonstop1h 20mDelta
vie. 9/192:02 pmLWS - SEA
1 stop4h 22mDelta
Deal found 8/14$379
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/147:45 pmSEA - LWS
Nonstop1h 18mDelta
sáb. 8/167:05 amLWS - SEA
Nonstop1h 24mDelta
Deal found 8/13$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Lewiston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Seattle to Lewiston that are best for you.

Fly from

Seattle

Fly to

Lewiston

Route

Depart

Return

Price

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

sáb. 9/13

7:45 pm-9:05 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

dom. 9/14

7:05 am-8:30 am

Nonstop1h 25m

$189

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

vie. 8/29

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

mar. 9/2

7:05 am-8:29 am

Nonstop1h 24m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

vie. 9/12

7:45 pm-9:05 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

dom. 9/14

7:05 am-8:30 am

Nonstop1h 25m

$309

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

jue. 9/11

7:45 pm-9:05 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

mar. 9/16

7:05 am-8:30 am

Nonstop1h 25m

$339

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

jue. 9/4

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

lun. 9/8

7:10 am-8:34 am

Nonstop1h 24m

$339

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

lun. 10/13

7:45 pm-9:03 pm

Nonstop1h 18m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

lun. 9/15

7:45 pm-9:05 pm

Nonstop1h 20m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

sáb. 11/15

7:45 pm-9:03 pm

Nonstop1h 18m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

mar. 11/11

7:45 pm-9:03 pm

Nonstop1h 18m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

mar. 10/14

7:45 pm-9:03 pm

Nonstop1h 18m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 12 results
1
2

Best time to book a flight from Seattle to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Lewiston

What is the cheapest month to book a flight from Seattle to Lewiston, Idaho?

Currently, February is the cheapest month in which you can book a flight from Seattle to Lewiston, Idaho (average of $278). Flying from Seattle to Lewiston, Idaho in June is currently the most expensive (average of $526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to LWS?

Find hourly flight availability from Seattle to Lewiston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Lewiston, Idaho at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the morning.

Weekly flight availability from Seattle to Lewiston, Idaho

Explore weekly flight availability from Seattle to Lewiston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 14, 2025.

The most flights from SEA to LWS are scheduled on a Tuesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Lewiston

Get insights into the airlines that provide service to Lewiston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lewiston. Reviews last updated agosto 14, 2025.
See what other customers who have flown with Delta from Seattle to Lewiston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Lewiston?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Lewiston Nez Perce Rgnl (LWS) is your only option if you wish to fly from Seattle to Lewiston. On a typical day, there are 3 flights from Seattle/Tacoma Intl to Nez Perce Rgnl, all of which are around 1h 18m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Seattle/Tacoma Intl to Lewiston.

  • What is the cheapest airline to fly from Seattle to Lewiston, Idaho round-trip?

    Cheapflights users have booked flights from Seattle to Lewiston, Idaho round-trip from $188. This flight start at 33% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Seattle to Lewiston, Idaho?

    The top 3 most reliable airlines when flying from Seattle to Lewiston, Idaho are SkyWest Airlines (90%), KLM (90%) and Delta (90%).

  • Can I find deals for flights from Seattle to Lewiston that include hotel bookings?

    Yes. In addition to deals on Seattle to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Lewiston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lewiston.

  • Can I find deals for business class flights from Seattle to Lewiston?

    Yes. Cheapflights offers flight deals from Seattle to Lewiston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Lewiston, Idaho?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Lewiston, Idaho (average of $278). Flying from Seattle to Lewiston, Idaho in June is currently the most expensive (average of $526). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Lewiston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Spokane flights
Portland to Boise flights
Seattle to Boise flights
Seattle to Idaho Falls flights
Seattle to Jackson flights
Portland to Spokane flights
Spokane to Boise flights
Seattle to Hailey flights
Portland to Idaho Falls flights
Portland to Jackson flights
Spokane to Jackson flights
Spokane to Idaho Falls flights
Seattle to Twin Falls flights
Pullman to Boise flights
Bellingham to Spokane flights
Seattle to West Yellowstone flights
Portland to Lewiston flights
Spokane to Hailey flights
Portland to Pocatello flights
Portland to Hailey flights
Pasco to West Yellowstone flights
Spokane to Twin Falls flights
Pasco to Idaho Falls flights
Portland to Twin Falls flights
Pullman to Spokane flights
Yakima to Hailey flights
Seattle to Pocatello flights
Spokane to Pocatello flights
Bellingham to Hailey flights

Top airline flying from Seattle to Lewiston

Discover the top airline that operate flights from Seattle to Lewiston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$289FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.