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Idaho Falls

$424+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — IDA
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
1 adult, Economy
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Cheap 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 March 6, 2026.

This Delta deal was found by Cheapflights users on 3/3. 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 4/1312:13 pm
LWS
-
IDA
1 stop5h 04m
Delta
Wed 4/155:47 am
IDA
-
LWS
1 stop6h 46m
Delta
Deal found 3/3$564
This Delta deal was found by Cheapflights users on 3/5. 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.
Fri 3/2012:10 pm
LWS
-
IDA
1 stop5h 05m
Delta
Tue 3/245:45 am
IDA
-
LWS
1 stop6h 42m
Delta
Deal found 3/5$608
This Delta deal was found by Cheapflights users on 3/5. 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 4/212:10 pm
LWS
-
IDA
1 stop5h 05m
Delta
Thu 4/95:45 am
IDA
-
LWS
1 stop6h 42m
Delta
Deal found 3/5$728
This Delta deal was found by Cheapflights users on 3/2. 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 3/3012:10 pm
LWS
-
IDA
1 stop5h 05m
Delta
Mon 4/65:45 am
IDA
-
LWS
1 stop6h 42m
Delta
Deal found 3/2$808
This Delta deal was found by Cheapflights users on 3/5. 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 5/412:13 pm
LWS
-
IDA
1 stop5h 04m
Delta
Tue 5/55:47 am
IDA
-
LWS
1 stop6h 46m
Delta
Deal found 3/5$1,018
This Delta deal was found by Cheapflights users on 3/3. 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.
Wed 3/1812:10 pm
LWS
-
IDA
1 stop5h 05m
Delta
Sun 3/225:45 am
IDA
-
LWS
1 stop6h 42m
Delta
Deal found 3/3$1,019
This Delta deal was found by Cheapflights users on 3/1. 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.
Sun 3/1512:10 pm
LWS
-
IDA
1 stop5h 05m
Delta
Sun 3/225:45 am
IDA
-
LWS
1 stop6h 42m
Delta
Deal found 3/1$1,640

Find 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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$564
(Delta)

One-way from

$424
(Delta)
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Idaho Falls Fanning Field flights.
Search Deals
From Lewiston Nez Perce Rgnl to Idaho Falls Fanning Field
Search Deals
One-way flight from Lewiston Nez Perce Rgnl to Idaho Falls Fanning Field
Search Deals

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 March 6, 2026.
Use the filters below to find and compare flights from Lewiston to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Mon 4/13

12:13 pm-6:17 pm

1 stop5h 04m

Idaho Falls Fanning Field

Wed 4/15

5:47 am-11:33 am

1 stop6h 46m

$564
Quickest round-trip

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Fri 3/20

12:10 pm-6:15 pm

1 stop5h 05m

Idaho Falls Fanning Field

Tue 3/24

5:45 am-11:27 am

1 stop6h 42m

$608

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Thu 4/2

12:10 pm-6:15 pm

1 stop5h 05m

Idaho Falls Fanning Field

Thu 4/9

5:45 am-11:27 am

1 stop6h 42m

$728

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Mon 3/30

12:10 pm-6:15 pm

1 stop5h 05m

Idaho Falls Fanning Field

Mon 4/6

5:45 am-11:27 am

1 stop6h 42m

$808

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Mon 5/4

12:13 pm-6:17 pm

1 stop5h 04m

Idaho Falls Fanning Field

Tue 5/5

5:47 am-11:33 am

1 stop6h 46m

$1,018

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Wed 3/18

12:10 pm-6:15 pm

1 stop5h 05m

Idaho Falls Fanning Field

Sun 3/22

5:45 am-11:27 am

1 stop6h 42m

$1,019
Cheapest one-way
Quickest one-way

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Thu 4/23

12:13 pm-6:17 pm

1 stop5h 04m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Sorted by cheapest first

Compare providers for flights from Lewiston to Idaho Falls

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

Cheapflights Insights

Everything you need to know about your flight from Lewiston to Idaho Falls

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

Currently, May is the cheapest month in which you can book a flight from Lewiston, Idaho to Idaho Falls (average of $227). Flying from Lewiston, Idaho to Idaho Falls in July is currently the most expensive (average of $573). 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 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.

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

    There are many flights that can get you from Lewiston, Idaho to Idaho Falls in 5h 04m. Fly via Delta to get the fastest option. The distance from Lewiston, Idaho to Idaho Falls is about 312 mi.

  • 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, May is the cheapest month in which you can book a flight from Lewiston, Idaho to Idaho Falls (average of $227). Flying from Lewiston, Idaho to Idaho Falls in July is currently the most expensive (average of $573). 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 Idaho Falls?

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