HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$144+ Cheap flights from Lewiston, ID to Seattle (LWS - SEA)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — SEA
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lewiston to Seattle 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 Lewiston to Seattle

Cheapest flights from Lewiston to Seattle
Explore the most affordable flight options available from Lewiston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This Delta deal was found by Cheapflights users on 5/7. 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 6/159:14 am
LWS
-
SEA
Nonstop1h 31m
Delta
Sat 6/279:55 pm
SEA
-
LWS
Nonstop1h 24m
Delta
Deal found 5/7$237
This Delta deal was found by Cheapflights users on 5/9. 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 6/139:14 am
LWS
-
SEA
Nonstop1h 31m
Delta
Sun 6/149:55 pm
SEA
-
LWS
Nonstop1h 24m
Delta
Deal found 5/9$289
This Delta deal was found by Cheapflights users on 5/6. 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 10/136:25 am
LWS
-
SEA
Nonstop1h 30m
Delta
Tue 10/205:45 am
SEA
-
LWS
1 stop6h 01m
Delta
Deal found 5/6$298
This Delta deal was found by Cheapflights users on 5/9. 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 6/79:00 am
LWS
-
SEA
Nonstop1h 31m
Delta
Sat 6/139:55 pm
SEA
-
LWS
Nonstop1h 24m
Delta
Deal found 5/9$319
This Delta deal was found by Cheapflights users on 5/6. 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 5/218:25 am
LWS
-
SEA
Nonstop1h 27m
Delta
Mon 5/259:35 pm
SEA
-
LWS
Nonstop1h 20m
Delta
Deal found 5/6$327
This Delta deal was found by Cheapflights users on 5/9. 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 6/139:14 am
LWS
-
SEA
Nonstop1h 31m
Delta
Sat 6/139:55 pm
SEA
-
LWS
Nonstop1h 24m
Delta
Deal found 5/9$447

Find flight deals from Lewiston to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Seattle (SEA). 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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

One-way from

$144
(Delta)

Popular in

October

Cheapest in

April

Average price

$258

Good round-trip deal

$406 or less

Good one-way deal

$467 or less
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Seattle/Tacoma Intl flights.
Search Deals
From Lewiston Nez Perce Rgnl to Seattle/Tacoma Intl
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Lewiston Nez Perce Rgnl to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Lewiston Nez Perce Rgnl to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lewiston to Seattle 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 May 10, 2026.
Use the filters below to find and compare flights from Lewiston to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Mon 6/15

9:14 am-10:45 am

Nonstop1h 31m

Seattle/Tacoma Intl

Sat 6/27

9:55 pm-11:19 pm

Nonstop1h 24m

$237

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Wed 7/22

9:00 am-10:28 am

Nonstop1h 28m

Seattle/Tacoma Intl

Fri 7/31

9:35 pm-10:57 pm

Nonstop1h 22m

$289

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Fri 6/26

9:14 am-10:45 am

Nonstop1h 31m

Seattle/Tacoma Intl

Mon 6/29

9:55 pm-11:19 pm

Nonstop1h 24m

$289

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Tue 10/13

6:25 am-7:55 am

Nonstop1h 30m

Seattle/Tacoma Intl

Tue 10/20

5:45 am-11:46 am

1 stop6h 01m

$298

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Sun 6/7

9:00 am-10:31 am

Nonstop1h 31m

Seattle/Tacoma Intl

Sat 6/13

9:55 pm-11:19 pm

Nonstop1h 24m

$299

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Thu 7/23

12:18 pm-6:33 pm

1 stop6h 15m

Seattle/Tacoma Intl

Mon 7/27

9:35 pm-10:57 pm

Nonstop1h 22m

$308
Quickest round-trip

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Thu 5/21

8:25 am-9:52 am

Nonstop1h 27m

Seattle/Tacoma Intl

Mon 5/25

9:35 pm-10:55 pm

Nonstop1h 20m

$327

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Sat 6/13

12:16 pm-6:36 pm

1 stop6h 20m

Seattle/Tacoma Intl

Sun 6/14

9:55 pm-11:19 pm

Nonstop1h 24m

$407
Cheapest one-way

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Tue 6/2

8:25 am-9:50 am

Nonstop1h 25m

$144

LewistonSeattle

LWS - SEA

LWSSEA

Lewiston Nez Perce Rgnl

Sat 5/30

8:25 am-9:52 am

Nonstop1h 27m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Lewiston to Seattle

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 Lewiston to Seattle in May.
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 Lewiston, Idaho-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lewiston, Idaho-Seattle 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 Lewiston, Idaho-Seattle 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 Lewiston to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Lewiston 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 Lewiston to Seattle

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

Currently, April is the cheapest month in which you can book a flight from Lewiston, Idaho to Seattle (average of $188). Flying from Lewiston, Idaho to Seattle in October is currently the most expensive (average of $427). 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 LWS to SEA?

Find hourly flight availability from Lewiston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 10, 2026.

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

How much does it cost to fly round-trip from Lewiston, Idaho to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated May 10, 2026.
Peruse reviews from past customers who have flown with Delta from Lewiston to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,455 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,455 reviews
Delta
7.9
Good
8,455 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Lewiston to Seattle. 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 Lewiston to Seattle?

    If you wish to fly to Seattle from Lewiston, then you need to book flights from Lewiston Nez Perce Rgnl to Seattle/Tacoma Intl. There are 3 flights from Nez Perce Rgnl (LWS) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Nez Perce Rgnl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 1h 27m is how long a nonstop flight from Lewiston to Seattle/Tacoma Intl typically takes.

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

    A quick flight from Lewiston, Idaho to Seattle can take about 1h 31m. Delta provides one of the quickest options available for as low as $237. The distance from Lewiston, Idaho to Seattle is about 260 mi. All flights are typically nonstop.

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

    According to our current data, Delta ($166), offers the cheapest pricing from Lewiston, Idaho to Seattle. Delta is currently priced 33% below the average price you’ll pay for this route.

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

    Consider Air France (100%), KLM (97%) or SkyWest Airlines (97%) when booking your flight. These represent the most reliable airlines when flying from Lewiston, Idaho to Seattle.

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

    The cheapest flight price from Lewiston, Idaho to Seattle is $272. On average you can expect to pay $582. The most popular route, (Lewiston Nez Perce Rgnl - Seattle/Tacoma Intl), can usually be booked for $237.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lewiston to Seattle 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 Lewiston, Idaho to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Lewiston, Idaho to Seattle (average of $188). Flying from Lewiston, Idaho to Seattle in October is currently the most expensive (average of $427). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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.

Top airline flying from Lewiston to Seattle

Discover the top airline that operate flights from Lewiston to Seattle. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$247FlexibilityNo 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.
Site
©2026 Cheapflights