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$422+ Cheap flights from Idaho Falls to Lewiston, ID (IDA - 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LWS
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
1 adult, Economy
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Cheap flight deals from Idaho Falls to Lewiston

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) 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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$422
(Delta)
Provider with most accurate pricing for Idaho Falls Fanning Field-Lewiston Nez Perce Rgnl flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Lewiston Nez Perce Rgnl flights.
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From Idaho Falls Fanning Field to Lewiston Nez Perce Rgnl
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Find flight deals from Idaho Falls to Lewiston

Cheapest flights from Idaho Falls to Lewiston
Explore the most affordable flight options available from Idaho Falls to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 7, 2026.

This Delta deal was found by Cheapflights users on 1/4. 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 1/295:25 amIDA - LWS
1 stop7h 17mDelta
Thu 2/512:24 pmLWS - IDA
1 stop4h 27mDelta
Deal found 1/4$422

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 January 7, 2026.
Use the filters below to find and compare flights from Idaho Falls to Lewiston that are best for you.

Fly from

Idaho Falls

Fly to

Lewiston

Route

Depart

Return

Price

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Thu 1/29

5:25 am-11:42 am

1 stop7h 17m

Lewiston Nez Perce Rgnl

Thu 2/5

12:24 pm-5:51 pm

1 stop4h 27m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Compare providers for flights from Idaho Falls 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 Idaho Falls to Lewiston in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 Idaho Falls-Lewiston, Idaho flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Lewiston, Idaho flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Lewiston, Idaho flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Lewiston, Idaho flights, Cheapflights users trust eDreams the most. eDreams 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 Idaho Falls-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 Idaho Falls to Lewiston

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

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

Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Lewiston, Idaho (average of $125). Flying from Idaho Falls to Lewiston, Idaho in January is currently the most expensive (average of $399). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Idaho Falls to Lewiston, Idaho in 7h 17m. Fly via Delta to get the fastest option. Idaho Falls and Lewiston, Idaho are separated by a distance of 312 mi.

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

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

  • How can I find direct flights from Idaho Falls to Lewiston?

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Lewiston, Idaho (average of $125). Flying from Idaho Falls to Lewiston, Idaho in January is currently the most expensive (average of $399). 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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