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Cheap flights from Nevada to Idaho Falls from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nevada to Idaho Falls departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Nevada to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
1:17 pm - 4:05 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:54 pm - 11:37 pm
IDA
-
LAS
1h 43mnonstop
$89Allegiant Air
Fri, Aug 7 - Mon, Aug 10
Allegiant Air Logo
1:12 pm - 4:00 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
$101Allegiant Air
Fri, Jul 17 - Mon, Jul 20
Allegiant Air Logo
1:12 pm - 4:00 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
$105Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
1:12 pm - 4:00 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
$108Allegiant Air
Fri, Jul 31 - Mon, Aug 3
Allegiant Air Logo
1:12 pm - 4:00 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
$109Allegiant Air
Fri, Jul 24 - Mon, Jul 27
Allegiant Air Logo
1:12 pm - 4:00 pm
LAS
-
IDA
1h 48mnonstop
Allegiant Air Logo
10:47 pm - 11:30 pm
IDA
-
LAS
1h 43mnonstop
$119Allegiant Air
Mon, Aug 3 - Mon, Aug 3
Multiple Airlines Logo
11:16 am - 10:04 pm
LAS
-
IDA
9h 48m
1 stop
Multiple Airlines Logo
8:33 pm - 9:16 pm
IDA
-
LAS
1h 43mnonstop
$169Multiple Airlines
Fri, Aug 14 - Mon, Aug 31
Alaska Airlines Logo
2:39 pm - 10:54 pm
RNO
-
IDA
7h 15m
1 stop
Alaska Airlines Logo
4:12 pm - 7:36 pm
IDA
-
RNO
4h 24m
1 stop
$311Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
7:58 am - 1:24 pm
RNO
-
IDA
4h 26m
1 stop
Alaska Airlines Logo
6:18 am - 11:00 am
IDA
-
RNO
5h 42m
1 stop
$335Alaska Airlines
Thu, Sep 24 - Tue, Sep 29
Alaska Airlines Logo
8:04 am - 3:35 pm
RNO
-
IDA
6h 31m
2 stops
Alaska Airlines Logo
1:46 pm - 6:48 pm
IDA
-
RNO
6h 02m
1 stop
$397Alaska Airlines
Wed, Oct 28 - Sat, Oct 31

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Allegiant Air flights from Nevada to Idaho Falls

Our best Allegiant Air deals on Nevada to Idaho Falls flight tickets
Allegiant Air
Aug 7
LAS1:17 pmLas Vegas Harry Reid Intl
1h 48m
IDA4:05 pmIdaho Falls Fanning Field
Aug 10
IDA10:54 pmIdaho Falls Fanning Field
1h 43m
LAS11:37 pmLas Vegas Harry Reid Intl
$89
Allegiant Air
Jul 17
LAS1:12 pmLas Vegas Harry Reid Intl
1h 48m
IDA4:00 pmIdaho Falls Fanning Field
Jul 20
IDA10:47 pmIdaho Falls Fanning Field
1h 43m
LAS11:30 pmLas Vegas Harry Reid Intl
$101
Allegiant Air
Jul 24
LAS1:12 pmLas Vegas Harry Reid Intl
1h 48m
IDA4:00 pmIdaho Falls Fanning Field
Jul 27
IDA10:47 pmIdaho Falls Fanning Field
1h 43m
LAS11:30 pmLas Vegas Harry Reid Intl
$105

Alaska Airlines flights from Nevada to Idaho Falls

Our best Alaska Airlines deals on Nevada to Idaho Falls flight tickets
Alaska Airlines
Oct 28
RNO2:39 pmReno
7h 15m
1 stop
IDA10:54 pmIdaho Falls Fanning Field
Oct 31
IDA4:12 pmIdaho Falls Fanning Field
4h 24m
1 stop
RNO7:36 pmReno
$311
Alaska Airlines
Jul 31
LAS7:00 amLas Vegas Harry Reid Intl
5h 06m
1 stop
IDA1:06 pmIdaho Falls Fanning Field
Aug 3
IDA4:14 pmIdaho Falls Fanning Field
4h 58m
1 stop
LAS8:12 pmLas Vegas Harry Reid Intl
$320
Alaska Airlines
Sep 24
RNO7:58 amReno
4h 26m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Sep 29
IDA6:18 amIdaho Falls Fanning Field
5h 42m
1 stop
RNO11:00 amReno
$335

momondo Fare Finder

 
Customize your flight search to find flights from Nevada 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, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from Nevada to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/7

1:17 pm-4:05 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 8/10

10:54 pm-11:37 pm

Nonstop1h 43m

$89

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/17

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 7/20

10:47 pm-11:30 pm

Nonstop1h 43m

$101

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/24

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-11:30 pm

Nonstop1h 43m

$105

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/31

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 8/3

10:47 pm-11:30 pm

Nonstop1h 43m

$108

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 7/24

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 7/27

10:47 pm-11:30 pm

Nonstop1h 43m

$109

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Mon 8/3

1:12 pm-4:00 pm

Nonstop1h 48m

Idaho Falls Fanning Field

Mon 8/3

10:47 pm-11:30 pm

Nonstop1h 43m

$119

Las VegasIdaho Falls

LAS - IDA

LASIDA

Las Vegas Harry Reid Intl

Fri 8/14

11:16 am-10:04 pm

1 stop9h 48m

Idaho Falls Fanning Field

Mon 8/31

8:33 pm-9:16 pm

Nonstop1h 43m

$169

RenoIdaho Falls

RNO - IDA

RNOIDA

Reno

Wed 10/28

2:39 pm-10:54 pm

1 stop7h 15m

Idaho Falls Fanning Field

Sat 10/31

4:12 pm-7:36 pm

1 stop4h 24m

$311

RenoIdaho Falls

RNO - IDA

RNOIDA

Reno

Thu 9/24

7:58 am-1:24 pm

1 stop4h 26m

Idaho Falls Fanning Field

Tue 9/29

6:18 am-11:00 am

1 stop5h 42m

$335

RenoIdaho Falls

RNO - IDA

RNOIDA

Reno

Wed 10/28

8:04 am-3:35 pm

2 stops6h 31m

Idaho Falls Fanning Field

Sat 10/31

1:46 pm-6:48 pm

1 stop6h 02m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Nevada to Idaho Falls

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 is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of September, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $55.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $79. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Tuesday is $201.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Nevada to Idaho Falls during this time can be as low as $96. Try not to purchase tickets at noon because they tend to be around $122. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Nevada to Idaho Falls Fanning Field flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best Nevada - Idaho Falls Fanning Field flight prices

What cabin class options are available on Nevada to Idaho Falls flights?

There is only 1 cabin class available to choose from on Nevada to Idaho Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Nevada to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between Nevada to Idaho Falls.

Cheap Nevada to Idaho Falls flight deals and tips

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

Best Price Found

$66

Fastest flight time

1h 48m

Direct flights

Tue and Sat

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Nevada in the past 72 hours is $66. The best round-trip flight deal from Nevada to Idaho Falls found on momondo in the last 72 hours is $114.
The fastest flight from Nevada to Idaho Falls takes 1h 48m
Direct flights go from Nevada to Idaho Falls on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Idaho Falls. From Nevada there are direct flights to Idaho Falls Fanning Field (IDA).
Search flight deals

Frequently asked questions about flying from Nevada to Idaho Falls

  • When did momondo last update prices for flights from Nevada to Idaho Falls Fanning Field Airport?

    Prices for flights from Nevada to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Nevada to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Nevada to Idaho Falls Fanning Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nevada to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Nevada to Idaho Falls?

Best airlines flying from Nevada to Idaho Falls

Compare and see reviews for airlines that fly from Nevada to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $75Free CancellationRating
7.3
689 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.8
8,451 reviews
Search Delta flights
Alaska AirlinesPriceFrom $295Free CancellationRating
7.9
12,599 reviews
Search Alaska Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from Nevada.

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

momondo does allow users to show only those flights to Idaho Falls from Nevada which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Nevada to Idaho Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Idaho Falls from Nevada. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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