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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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LWS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$289
(Delta)

One-way from

$164
(Delta)

Popular in

August

Cheapest in

October

Average price

$339
From Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl
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One-way flight from Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl
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Highest demand for flights based on searches. 28% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 9/307:45 pmSEA - LWS
Nonstop1h 20mDelta
Sat 10/47:05 amLWS - SEA
Nonstop1h 25mDelta
Deal found 9/15$289
This Delta deal was found by Cheapflights users on 9/17. 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 9/247:45 pmSEA - LWS
Nonstop1h 20mDelta
Wed 10/17:05 amLWS - SEA
Nonstop1h 25mDelta
Deal found 9/17$309
This Delta deal was found by Cheapflights users on 9/16. 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 10/87:45 pmSEA - LWS
Nonstop1h 18mDelta
Thu 10/97:10 amLWS - SEA
Nonstop1h 29mDelta
Deal found 9/16$387
This Delta deal was found by Cheapflights users on 9/17. 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 9/197:45 pmSEA - LWS
Nonstop1h 20mDelta
Sat 9/202:02 pmLWS - SEA
1 stop4h 34mDelta
Deal found 9/17$399
This Delta deal was found by Cheapflights users on 9/16. 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 10/67:45 pmSEA - LWS
Nonstop1h 18mDelta
Thu 10/97:10 amLWS - SEA
Nonstop1h 29mDelta
Deal found 9/16$437
This Delta deal was found by Cheapflights users on 9/16. 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 10/67:45 pmSEA - LWS
Nonstop1h 18mDelta
Wed 10/82:02 pmLWS - SEA
1 stop4h 22mDelta
Deal found 9/16$447
This Delta deal was found by Cheapflights users on 9/16. 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 10/247:45 pmSEA - LWS
Nonstop1h 18mDelta
Sun 10/267:10 amLWS - SEA
Nonstop1h 29mDelta
Deal found 9/16$449
This Delta deal was found by Cheapflights users on 9/16. 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 10/17:10 amSEA - LWS
1 stop6h 12mDelta
Sun 10/52:02 pmLWS - SEA
1 stop4h 22mDelta
Deal found 9/16$477

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 September 17, 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

Tue 9/30

7:45 pm-9:05 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

Sat 10/4

7:05 am-8:30 am

Nonstop1h 25m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 10/1

7:45 pm-9:05 pm

Nonstop1h 20m

Lewiston Nez Perce Rgnl

Sun 10/5

7:05 am-8:30 am

Nonstop1h 25m

$289

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Wed 10/8

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Thu 10/9

7:10 am-8:39 am

Nonstop1h 29m

$387

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Mon 10/6

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Thu 10/9

7:10 am-8:39 am

Nonstop1h 29m

$437

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Mon 10/6

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Wed 10/8

2:02 pm-6:24 pm

1 stop4h 22m

$447

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 10/24

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Sun 10/26

7:10 am-8:39 am

Nonstop1h 29m

$449

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Sat 11/15

7:45 pm-9:06 pm

Nonstop1h 21m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Tue 11/11

7:45 pm-9:06 pm

Nonstop1h 21m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Sun 12/14

7:45 pm-9:02 pm

Nonstop1h 17m

$164

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 12/12

7:45 pm-9:02 pm

Nonstop1h 17m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 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 May is currently the most expensive (average of $524). 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 September 17, 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.

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 September 17, 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
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

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 17m 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 $188. This flight start at 39% 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 Air France (96%), SkyWest Airlines (92%) and KLM (92%).

  • 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 May is currently the most expensive (average of $524). 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

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Alternative routes for Seattle to Lewiston

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$289FlexibilityNo cancel feeOn-timeN/A

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