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Lewiston

$104+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LWS
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap 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 March 24, 2026.

This Delta deal was found by Cheapflights users on 3/22. 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.
Thu 4/2310:50 pm
SEA
-
LWS
Nonstop1h 18m
Delta
Sun 4/266:09 am
LWS
-
SEA
Nonstop1h 31m
Delta
Deal found 3/22$289
This Delta deal was found by Cheapflights users on 3/20. 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.
Sat 4/1810:50 pm
SEA
-
LWS
Nonstop1h 18m
Delta
Sat 4/256:09 am
LWS
-
SEA
Nonstop1h 31m
Delta
Deal found 3/20$309
This Delta deal was found by Cheapflights users on 3/20. 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.
Fri 4/109:45 pm
SEA
-
LWS
Nonstop1h 15m
Delta
Sun 4/126:10 am
LWS
-
SEA
Nonstop1h 29m
Delta
Deal found 3/20$329
This Delta deal was found by Cheapflights users on 3/20. 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.
Wed 5/205:30 am
SEA
-
LWS
1 stop6h 06m
Delta
Sun 5/248:25 am
LWS
-
SEA
Nonstop1h 27m
Delta
Deal found 3/20$349
This Delta deal was found by Cheapflights users on 3/18. 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.
Fri 3/279:45 pm
SEA
-
LWS
Nonstop1h 15m
Delta
Sun 3/296:10 am
LWS
-
SEA
Nonstop1h 29m
Delta
Deal found 3/18$369
This Delta deal was found by Cheapflights users on 3/23. 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 10/69:30 pm
SEA
-
LWS
Nonstop1h 19m
Delta
Wed 10/146:25 am
LWS
-
SEA
Nonstop1h 30m
Delta
Deal found 3/23$398
This Delta deal was found by Cheapflights users on 3/18. 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.
Sat 3/215:30 am
SEA
-
LWS
1 stop5h 57m
Delta
Wed 3/256:10 am
LWS
-
SEA
Nonstop1h 29m
Delta
Deal found 3/18$408
This Delta deal was found by Cheapflights users on 3/18. 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 4/1410:50 pm
SEA
-
LWS
Nonstop1h 18m
Delta
Wed 4/156:09 am
LWS
-
SEA
Nonstop1h 31m
Delta
Deal found 3/18$427

Find 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Delta)

One-way from

$104
(Delta)

Popular in

August

Cheapest in

September

Average price

$239

Good round-trip deal

$166 or less
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. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl.
Search Deals

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 March 24, 2026.
Use the filters below to find and compare flights from Seattle to Lewiston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 5/20

9:35 pm-10:55 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

Sun 5/24

8:25 am-9:52 am

Nonstop1h 27m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Sat 4/18

10:50 pm-12:08 am

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Sat 4/25

6:09 am-7:40 am

Nonstop1h 31m

$309
Quickest round-trip

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 4/10

9:45 pm-11:00 pm

Nonstop1h 15m

Lewiston Nez Perce Rgnl

Sun 4/12

6:10 am-7:39 am

Nonstop1h 29m

$329

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 4/10

9:45 pm-11:00 pm

Nonstop1h 15m

Lewiston Nez Perce Rgnl

Sat 4/11

6:10 am-7:39 am

Nonstop1h 29m

$369

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 3/27

9:45 pm-11:00 pm

Nonstop1h 15m

Lewiston Nez Perce Rgnl

Sun 3/29

6:10 am-7:39 am

Nonstop1h 29m

$369

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 4/7

9:45 pm-11:00 pm

Nonstop1h 15m

Lewiston Nez Perce Rgnl

Sat 4/11

6:10 am-7:39 am

Nonstop1h 29m

$369

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 4/14

10:50 pm-12:08 am

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Wed 4/15

6:09 am-7:40 am

Nonstop1h 31m

$427
Cheapest one-way

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 5/15

9:35 pm-10:55 pm

Nonstop1h 20m

$104

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Thu 5/21

9:35 pm-10:55 pm

Nonstop1h 20m

$104

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Thu 6/18

9:55 pm-11:19 pm

Nonstop1h 24m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 17 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Lewiston, Idaho flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $73). 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 March 24, 2026.

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 March 24, 2026.
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
8,320 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,320 reviews
Delta
7.9
Good
8,320 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 15m 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 20m. 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 $166. This flight start at 52% 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%).

  • What are the cheapest flights from Seattle to Lewiston, Idaho?

    Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Seattle/Tacoma Intl - Lewiston Nez Perce Rgnl) can be booked for $289 on average, our data indicates $166 when flying from Seattle to Lewiston, Idaho.

  • 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 $73). 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

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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$329FlexibilityNo cancel feeOn-timeN/A

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