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Cheap flights from Idaho Falls to Lewiston from $306

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Lewiston departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Delta Logo
6:00 am - 11:50 amIDA-LWS
6h 50m1 stop
Delta Logo
12:30 pm - 6:15 pmLWS-IDA
4h 45m1 stop
$306Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:00 am - 11:50 amIDA-LWS
6h 50m1 stop
Delta Logo
12:30 pm - 6:15 pmLWS-IDA
4h 45m1 stop
$316Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:45 pm - 10:57 pmIDA-LWS
29h 12m2 stops
Delta Logo
12:30 pm - 6:15 pmLWS-IDA
4h 45m1 stop
$381Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:45 pm - 9:02 pmIDA-LWS
27h 17m2 stops
Delta Logo
12:30 pm - 6:15 pmLWS-IDA
4h 45m1 stop
$391Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:00 am - 11:37 amIDA-LWS
6h 37m1 stop
Delta Logo
12:17 pm - 6:26 pmLWS-IDA
5h 09m1 stop
$502Delta
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
6:00 am - 11:37 amIDA-LWS
6h 37m1 stop
Delta Logo
12:17 pm - 6:26 pmLWS-IDA
5h 09m1 stop
$522Delta
Find Deal
Wed, Dec 3 - Wed, Dec 10
Delta Logo
6:00 am - 11:37 amIDA-LWS
6h 37m1 stop
Delta Logo
12:17 pm - 6:26 pmLWS-IDA
5h 09m1 stop
$578Delta
Find Deal
Wed, Dec 3 - Wed, Dec 10
Delta Logo
1:05 pm - 10:57 pmIDA-LWS
10h 52m2 stops
Delta Logo
6:25 am - 6:15 pmLWS-IDA
10h 50m2 stops
$792Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:00 am - 9:02 pmIDA-LWS
16h 02m2 stops
Delta Logo
7:05 am - 6:15 pmLWS-IDA
10h 10m2 stops
$846Delta
Find Deal
Tue, Mar 31 - Sat, Apr 4

Delta flights from Idaho Falls to Lewiston, Idaho

Our best Delta deals on Idaho Falls to Lewiston, Idaho flight tickets
Delta
Mar 31
IDA6:00 amIdaho Falls Fanning Field
6h 50m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
Apr 4
LWS12:30 pmLewiston Nez Perce Rgnl
4h 45m
1 stop
IDA6:15 pmIdaho Falls Fanning Field
$306
Find similar
Delta
Mar 31
IDA6:00 amIdaho Falls Fanning Field
6h 50m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
Apr 4
LWS12:30 pmLewiston Nez Perce Rgnl
4h 45m
1 stop
IDA6:15 pmIdaho Falls Fanning Field
$316
Find similar
Delta
Mar 31
IDA6:45 pmIdaho Falls Fanning Field
29h 12m
2 stops
LWS10:57 pmLewiston Nez Perce Rgnl
Apr 4
LWS12:30 pmLewiston Nez Perce Rgnl
4h 45m
1 stop
IDA6:15 pmIdaho Falls Fanning Field
$381
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Lewiston, Idaho 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, momondo users made 832,500 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Idaho Falls to Lewiston, Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

6:00 am-11:50 am

1 stop6h 50m

Lewiston Nez Perce Rgnl

Sat 4/4

12:30 pm-6:15 pm

1 stop4h 45m

$306

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

6:00 am-11:50 am

1 stop6h 50m

Lewiston Nez Perce Rgnl

Sat 4/4

12:30 pm-6:15 pm

1 stop4h 45m

$316

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

6:45 pm-10:57 pm

2 stops29h 12m

Lewiston Nez Perce Rgnl

Sat 4/4

12:30 pm-6:15 pm

1 stop4h 45m

$381

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

6:45 pm-9:02 pm

2 stops27h 17m

Lewiston Nez Perce Rgnl

Sat 4/4

12:30 pm-6:15 pm

1 stop4h 45m

$391

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Wed 12/10

6:00 am-11:37 am

1 stop6h 37m

Lewiston Nez Perce Rgnl

Wed 12/17

12:17 pm-6:26 pm

1 stop5h 09m

$502

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Wed 12/3

6:00 am-11:37 am

1 stop6h 37m

Lewiston Nez Perce Rgnl

Wed 12/10

12:17 pm-6:26 pm

1 stop5h 09m

$522

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Wed 12/3

6:00 am-11:37 am

1 stop6h 37m

Lewiston Nez Perce Rgnl

Wed 12/10

12:17 pm-6:26 pm

1 stop5h 09m

$578

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

1:05 pm-10:57 pm

2 stops10h 52m

Lewiston Nez Perce Rgnl

Sat 4/4

6:25 am-6:15 pm

2 stops10h 50m

$792

Idaho FallsLewiston

IDA - LWS

IDALWS

Idaho Falls Fanning Field

Tue 3/31

6:00 am-9:02 pm

2 stops16h 02m

Lewiston Nez Perce Rgnl

Sat 4/4

7:05 am-6:15 pm

2 stops10h 10m

$846

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lewiston from

How to get the cheapest flight ticket from Idaho Falls to Lewiston, Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Lewiston, Idaho?

Delta, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Lewiston, Idaho from Idaho Falls according to our data. Delta is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Lewiston, Idaho. Keep in mind that there are 3 different airlines that fly to Lewiston, Idaho on a routine basis, so you have a few additional options to choose from.

When to book flights from Idaho Falls to Lewiston, Idaho

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Lewiston, Idaho according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Lewiston, Idaho (IDA to LWS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Lewiston, Idaho

Direct flights

None
There are no direct flights from Idaho Falls to Lewiston, Idaho. There are no popular flight routes from Idaho Falls to Lewiston, Idaho.
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  • How far is Idaho Falls Fanning Field to Lewiston Nez Perce Rgnl by plane?

    The distance between Idaho Falls Fanning Field and Lewiston Nez Perce Rgnl is about 316.1 mi. In terms of flight time, this usually takes a little over 6h 37m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Lewiston Nez Perce Rgnl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Lewiston Nez Perce Rgnl Airport are updated daily.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Lewiston Nez Perce Rgnl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho Falls Fanning Field Airport to Lewiston Nez Perce Rgnl Airport.

  • What documentation or ID do you need to fly to Lewiston Nez Perce Rgnl Airport?

    The travel and health documents required for your trip to Lewiston Nez Perce Rgnl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lewiston Nez Perce Rgnl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Lewiston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Lewiston. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho Falls to Lewiston with flexible booking policies on momondo?

Flights from Idaho Falls to Lewiston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to Lewiston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Lewiston.

I’m not ready to book a flight from Idaho Falls to Lewiston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho Falls to Lewiston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lewiston and let you know when they change.

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