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Idaho Falls

$263+ Cheap flights from Lewiston, ID to Idaho Falls (LWS - IDA)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — IDA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap flight deals from Lewiston to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Idaho Falls (IDA). 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 July 2, 2025.

Round-trip from

$402
(Delta)

One-way from

$263
(Delta)
From Lewiston Nez Perce Rgnl to Idaho Falls Fanning Field
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One-way flight from Lewiston Nez Perce Rgnl to Idaho Falls Fanning Field
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Find flight deals from Lewiston to Idaho Falls

Cheapest flights from Lewiston to Idaho Falls
Explore the most affordable flight options available from Lewiston to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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 7/295:20 pmLWS - IDA
1 stop4h 09mDelta
Tue 8/511:20 amIDA - LWS
1 stop6h 14mDelta
Deal found 7/1$402

Cheapflights Fare Finder

Customize your flight search to find flights from Lewiston to Idaho Falls 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 July 2, 2025.
Use the filters below to find and compare flights from Lewiston to Idaho Falls that are best for you.

Fly from

Lewiston

Fly to

Idaho Falls

Route

Depart

Return

Price

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Tue 7/29

5:20 pm-10:29 pm

1 stop4h 09m

Idaho Falls Fanning Field

Tue 8/5

11:20 am-4:34 pm

1 stop6h 14m

$402

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Tue 7/29

5:20 pm-10:29 pm

1 stop4h 09m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Lewiston to Idaho Falls

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

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated July 2, 2025.
Get a feel of what it's like to fly with Delta from Lewiston to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

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

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Lewiston, Idaho to Idaho Falls (average of $380). Flying from Lewiston, Idaho to Idaho Falls in December is currently the most expensive (average of $578). 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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