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 $209. This flight start at 23% lower than the current average price 3 months from now.

What is the cheapest day to fly from Seattle to Lewiston, Idaho?

Travelers seeking maximum savings on their Seattle to Lewiston, Idaho flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Lewiston, Idaho ranges from 0.3 - 1.7 inches per month. June is typically the wettest month, when rainfall can reach 1.7 in. August is typically the driest time to visit Lewiston, Idaho when rainfall is around 0.3 in.

If weather is an important factor for your trip to Lewiston, Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Seattle/Tacoma Intl - Lewiston Nez Perce Rgnl) can be booked for $247 on average our data indicates $153 when flying from Seattle to Lewiston, Idaho.

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 (88%), KLM (88%) and Delta (88%).

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

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Seattle to Lewiston, Idaho?

October can be a great time to fly to Lewiston, Idaho from Seattle with a flight ticket averaging about $274. Cheapflights users have found deals in the month of October for as cheap as $188. The most expensive prices can be found in the month of June.

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 2 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.

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.

$124+ Flights from Seattle to Lewiston, ID

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Cheap flight deals from Seattle to Lewiston

Round-trip from	$209 (Delta)
One-way from	$124 (Delta)
Popular in	June
Cheapest in	October
Average price	$237
Good one-way deal	$123 or less

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. 4% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a one-way flight from Seattle/Tacoma Intl to Lewiston Nez Perce Rgnl.

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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 July 3, 2025.

Fri 8/227:45 pmSEA - LWS

Nonstop1h 18mDelta

Mon 8/257:05 amLWS - SEA

Nonstop1h 24mDelta

Deal found 7/1

$209

Best flights from Seattle to Lewiston
Discover carefully curated flight deals from Seattle to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 8/227:45 pmSEA - LWS

Nonstop1h 18mDelta

Sun 8/247:05 amLWS - SEA

Nonstop1h 24mDelta

Deal found 7/1

$209

Last-minute flights from Seattle to Lewiston
Discover last-minute flight deals from Seattle to Lewiston. Data last updated July 3, 2025 and is based on user searches.

Tue 7/87:50 pmSEA - LWS

Nonstop1h 18mDelta

Tue 7/227:00 amLWS - SEA

Nonstop1h 24mDelta

Deal found 7/1

$354

Fri 8/227:45 pmSEA - LWS

Nonstop1h 18mDelta

Sun 8/247:05 amLWS - SEA

Nonstop1h 24mDelta

Deal found 7/1

$209

One-way flights from Seattle to Lewiston
Search for one-way flight options from Seattle to Lewiston. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/227:45 pmSEA - LWS

Nonstop1h 18mDelta

Deal found 6/30

$124

Cheapflights Fare Finder

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

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 8/22

7:45 pm-9:03 pm

Nonstop1h 18m

Lewiston Nez Perce Rgnl

Sun 8/24

7:05 am-8:29 am

Nonstop1h 24m

$209

SeattleLewiston

SEA - LWS

SEALWS

Seattle/Tacoma Intl

Fri 8/22

7:45 pm-9:03 pm

Nonstop1h 18m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 July is currently the most expensive (average of $535). 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?

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 54% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Lewiston

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

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

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 2 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 $209. This flight start at 23% 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 (88%), KLM (88%) and Delta (88%).
What are the cheapest flights from Seattle to Lewiston, Idaho?
Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Seattle/Tacoma Intl - Lewiston Nez Perce Rgnl) can be booked for $247 on average our data indicates $153 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, 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 July is currently the most expensive (average of $535). 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.

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Top airline flying from Seattle to Lewiston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$169	Average$260	FlexibilityNo cancel fee	On-timeN/A

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$124+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Lewiston with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Lewiston

Round-trip from

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Good one-way deal

Find flight deals from Seattle to Lewiston

Cheapest flights from Seattle to LewistonExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

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?

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 July 3, 2025.

Reviews of airlines servicing Lewiston

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.

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?

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

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

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

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

How can I find direct flights from Seattle to Lewiston?

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

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

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.

Top airline flying from Seattle to Lewiston

100% Free

Book with Flexibility

Travel Smart

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 July 3, 2025.