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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LWS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Delta)

One-way from

$164
(Delta)

Popular in

August

Cheapest in

September

Average price

$289
Provider with most accurate pricing for Seattle/Tacoma Intl-Lewiston Nez Perce Rgnl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lewiston Nez Perce Rgnl flights.
Search Deals
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. 20% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 29, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 12/229:20 pmSEA - LWS
Nonstop1h 10mDelta
Sun 12/287:15 amLWS - SEA
Nonstop1h 32mDelta
Deal found 10/26$239
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/107:45 pmSEA - LWS
Nonstop1h 21mDelta
Mon 11/177:00 amLWS - SEA
Nonstop1h 37mDelta
Deal found 10/27$269
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/257:45 pmSEA - LWS
Nonstop1h 21mDelta
Tue 12/27:00 amLWS - SEA
Nonstop1h 32mDelta
Deal found 10/26$278
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/107:45 pmSEA - LWS
Nonstop1h 21mDelta
Sat 11/157:00 amLWS - SEA
Nonstop1h 37mDelta
Deal found 10/27$289
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/105:25 amSEA - LWS
1 stop6h 18mDelta
Sun 11/1612:23 pmLWS - SEA
1 stop4h 32mDelta
Deal found 10/27$308
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/117:45 pmSEA - LWS
Nonstop1h 21mDelta
Sat 11/157:00 amLWS - SEA
Nonstop1h 37mDelta
Deal found 10/27$309
This Delta deal was found by Cheapflights users on 10/27. 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.
Sun 11/97:45 pmSEA - LWS
Nonstop1h 21mDelta
Mon 11/177:00 amLWS - SEA
Nonstop1h 37mDelta
Deal found 10/27$319
This Delta deal was found by Cheapflights users on 10/28. 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.
Mon 12/299:20 pmSEA - LWS
Nonstop1h 10mDelta
Wed 12/317:15 amLWS - SEA
Nonstop1h 32mDelta
Deal found 10/28$327

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 October 29, 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

Mon 12/22

9:20 pm-10:30 pm

Nonstop1h 10m

Lewiston Nez Perce Rgnl

Sun 12/28

7:15 am-8:47 am

Nonstop1h 32m

$239

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 11/25

7:45 pm-9:06 pm

Nonstop1h 21m

Lewiston Nez Perce Rgnl

Tue 12/2

7:00 am-8:32 am

Nonstop1h 32m

$278

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Thu 11/13

5:25 am-11:43 am

1 stop6h 18m

Lewiston Nez Perce Rgnl

Mon 11/17

7:00 am-8:37 am

Nonstop1h 37m

$279

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 11/12

5:25 am-11:43 am

1 stop6h 18m

Lewiston Nez Perce Rgnl

Mon 11/17

12:23 pm-4:55 pm

1 stop4h 32m

$288

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 11/11

5:25 am-11:43 am

1 stop6h 18m

Lewiston Nez Perce Rgnl

Mon 11/17

12:23 pm-4:55 pm

1 stop4h 32m

$288

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Mon 11/10

5:25 am-11:43 am

1 stop6h 18m

Lewiston Nez Perce Rgnl

Mon 11/17

12:23 pm-6:39 pm

1 stop6h 16m

$288

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 11/11

7:45 pm-9:06 pm

Nonstop1h 21m

Lewiston Nez Perce Rgnl

Sat 11/15

7:00 am-8:37 am

Nonstop1h 37m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 11/12

7:45 pm-9:06 pm

Nonstop1h 21m

Lewiston Nez Perce Rgnl

Sat 11/15

7:00 am-8:37 am

Nonstop1h 37m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 11/12

7:45 pm-9:06 pm

Nonstop1h 21m

Lewiston Nez Perce Rgnl

Sun 11/16

12:23 pm-4:55 pm

1 stop4h 32m

$299

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 11/11

7:45 pm-9:06 pm

Nonstop1h 21m

Lewiston Nez Perce Rgnl

Sun 11/16

12:23 pm-6:39 pm

1 stop6h 16m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 17 results
1
2

Compare providers for flights from Seattle to Lewiston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Lewiston in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Lewiston, Idaho flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Lewiston, Idaho flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Lewiston, Idaho flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Seattle to Lewiston, Idaho (average of $75). Flying from Seattle to Lewiston, Idaho in July is currently the most expensive (average of $158). 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 October 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Lewiston, Idaho as you normally would.

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 October 29, 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
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 10m 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.

  • How long is the flight from Seattle to Lewiston, Idaho?

    Departing from Seattle to Lewiston, Idaho will take you 1h 10m. There are 260 mi between Seattle and Lewiston, Idaho. Most flights are nonstop.

  • 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 $189. This flight start at 38% 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 (98%), KLM (98%) and Delta (98%).

  • 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, January is the cheapest month in which you can book a flight from Seattle to Lewiston, Idaho (average of $75). Flying from Seattle to Lewiston, Idaho in July is currently the most expensive (average of $158). 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 Boise flights
Seattle to Spokane flights
Portland to Boise flights
Spokane to Boise flights
Portland to Spokane flights
Seattle to Idaho Falls flights
Seattle to Jackson flights
Pullman to Boise flights
Seattle to Hailey flights
Portland to Jackson flights
Portland to Idaho Falls flights
Bellingham to Spokane flights
Portland to Hailey flights
Spokane to Jackson flights
Pasco to Idaho Falls flights
Spokane to Idaho Falls flights
Portland to Twin Falls flights
Portland to Lewiston flights
Spokane to Pocatello flights
Seattle to Pocatello flights
Portland to Pocatello flights
Spokane to Twin Falls flights
Spokane to Hailey flights
Pullman to Spokane flights
Seattle to Twin Falls flights
Seattle to West Yellowstone flights
Yakima to Hailey flights
Pasco to West Yellowstone 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$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.