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 is the cheapest time of day to fly from PHL to LWS?

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

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

Most trusted provider : When it comes to deals on Philadelphia-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 Philadelphia-Lewiston, Idaho flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Philadelphia to Lewiston?

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

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

Yes. Cheapflights offers flight deals from Philadelphia 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.

$364+ Cheap Flights from Philadelphia to Lewiston, ID

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Cheap flight deals from Philadelphia to Lewiston

One-way

One-way flights from Philadelphia to Lewiston
Search for one-way flight options from Philadelphia to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.

Sun 11/227:15 am -

1 stop7h 29m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$364

Find flight deals from Philadelphia to Lewiston

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Philadelphia-Lewiston Nez Perce Rgnl flight deals.

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Provider most trusted by Cheapflights users for Philadelphia-Lewiston Nez Perce Rgnl flights.

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PhiladelphiaLewiston

PHL Philadelphia - LWS Lewiston Nez Perce Rgnl

PHLLWS

Philadelphia

Sun 11/22

7:15 am-11:44 am

1 stop7h 29m

Lewiston Nez Perce Rgnl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Sorted by cheapest first

Compare providers for flights from Philadelphia to Lewiston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Lewiston in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 Philadelphia-Lewiston, Idaho flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Lewiston, Idaho flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Lewiston, Idaho flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Philadelphia-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 Philadelphia-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 Philadelphia to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Philadelphia with our price prediction graph.

PHL-LWS

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.

Related info for your journey

Can I find deals for flights from Philadelphia to Lewiston that include hotel bookings?
Yes. In addition to deals on Philadelphia to Lewiston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Lewiston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Lewiston.
Can I find deals for business class flights from Philadelphia to Lewiston?
Yes. Cheapflights offers flight deals from Philadelphia 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.

Browse thousands of different options on Cheapflights for your next trip

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$364+ Cheap flights from Philadelphia to Lewiston, ID (PHL - LWS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Lewiston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Philadelphia to Lewiston

One-way flights from Philadelphia to LewistonSearch for one-way flight options from Philadelphia to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.

Search for one-way flight options from Philadelphia to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.

Find flight deals from Philadelphia to Lewiston

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

Compare providers for flights from Philadelphia 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 Philadelphia to Lewiston in October.

Best time to book a flight from Philadelphia to Lewiston

Have a flexible travel schedule? Discover the best time to fly to Lewiston from Philadelphia with our price prediction graph.

Related info for your journey

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

How can I find direct flights from Philadelphia to Lewiston?

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

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 Philadelphia to Lewiston

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Complete your trip

Complete your trip to Lewiston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Philadelphia to Lewiston by cabin class

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Other flights to Lewiston

Explore flights to Lewiston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.

Philadelphia and Lewiston flights

Browse other Philadelphia and Lewiston flight options. Last updated on October 11, 2026.

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Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.

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One-way flights from Philadelphia to Lewiston
Search for one-way flight options from Philadelphia to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.