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Cheap flights from Idaho Falls to Las Vegas from $88

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 Las Vegas departing on 3/17. 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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Find the cheapest flights from Idaho Falls to Las Vegas

Cheap round-trip flights

These are some of the best round-trip flight deals from Idaho Falls to Las Vegas that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Idaho Falls to Las Vegas.

Cheap last minute flights

Planning a quick getaway from Idaho Falls to Las Vegas? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Las Vegas, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Idaho Falls to Las Vegas

Find recent round-trip train or bus tickets from Idaho Falls to Las Vegas.

All round-trip flight deals from Idaho Falls to Las Vegas

The cheapest plane tickets from Idaho Falls to Las Vegas found on KAYAK recently.
9:37 pm - 10:25 pmIDA-LAS
1h 48mnonstop
8:15 am - 11:04 amLAS-IDA
1h 49mnonstop
$88Allegiant Air
Find Deal
Mon, Mar 17 - Wed, Mar 19
9:37 pm - 10:25 pmIDA-LAS
1h 48mnonstop
8:48 am - 5:13 pmLAS-IDA
7h 25m1 stop
Mon, Mar 17 - Wed, Mar 19
6:58 pm - 11:36 pmIDA-LAS
5h 38m1 stop
5:35 pm - 10:44 pmLAS-IDA
4h 09m1 stop
$257Delta
Find Deal
Fri, Feb 28 - Mon, Mar 3
8:00 am - 10:40 pmIDA-LAS
15h 40m1 stop
10:34 am - 10:36 pmLAS-IDA
11h 02m1 stop
$262Alaska Airlines
Find Deal
Tue, Feb 25 - Wed, Feb 26
5:44 pm - 10:12 pmIDA-LAS
5h 28m1 stop
7:15 am - 1:31 pmLAS-IDA
5h 16m1 stop
$278United Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
6:00 am - 9:25 amIDA-LAS
4h 25m1 stop
5:35 pm - 10:44 pmLAS-IDA
4h 09m1 stop
$288Delta
Find Deal
Sat, Feb 22 - Mon, Feb 24
8:00 am - 10:40 pmIDA-LAS
15h 40m1 stop
7:10 am - 10:36 pmLAS-IDA
14h 26m2 stops
$305Alaska Airlines
Find Deal
Tue, Feb 25 - Wed, Feb 26
7:31 am - 6:25 pmIDA-LAS
11h 54m2 stops
4:50 pm - 10:11 pmLAS-IDA
4h 21m1 stop
$323American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
5:48 pm - 10:02 pmIDA-LAS
5h 14m1 stop
6:00 am - 1:27 pmLAS-IDA
6h 27m1 stop
$329United Airlines
Find Deal
Mon, Mar 17 - Wed, Mar 19
7:31 am - 6:25 pmIDA-LAS
11h 54m2 stops
7:00 am - 10:11 pmLAS-IDA
14h 11m2 stops
$351American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
6:35 pm - 7:21 pmIDA-LAS
1h 46mnonstop
$105Allegiant Air
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Fri, Jun 13
4:29 pm - 8:37 pmIDA-LAS
5h 08m1 stop
$129United Airlines
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Sat, Feb 15
6:55 pm - 11:43 pmIDA-LAS
5h 48m1 stop
$160Delta
Find Deal
Sun, Mar 9
7:31 am - 6:25 pmIDA-LAS
11h 54m2 stops
$170American Airlines
Find Deal
Sat, Feb 15
7:00 pm - 10:53 pmIDA-LAS
4h 53m1 stop
$219Delta
Find Deal
Fri, Jun 13
5:44 pm - 10:12 pmIDA-LAS
5h 28m1 stop
$225United Airlines
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Sun, Feb 23
6:45 am - 5:55 pmIDA-LAS
12h 10m2 stops
$269United Airlines
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Sun, Mar 9
4:00 pm - 7:57 pmIDA-LAS
28h 57m2 stops
$378Alaska Airlines
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Fri, Jun 13
6:57 pm - 11:35 pmIDA-LAS
5h 38m1 stop
$379Delta
Find Deal
Thu, Jan 30
8:00 am - 10:11 pmIDA-LAS
15h 11m2 stops
$417Alaska Airlines
Find Deal
Thu, Jan 30
6:32 pm - 7:24 pmIDA-LAS
1h 52mnonstop
8:30 am - 11:29 amLAS-IDA
1h 59mnonstop
$147Allegiant Air
Find Deal
Mon, Jan 27 - Mon, Feb 3
2:46 pm - 7:41 pmIDA-LAS
5h 55m1 stop
8:30 am - 11:29 amLAS-IDA
1h 59mnonstop
Mon, Jan 27 - Mon, Feb 3
2:46 pm - 7:41 pmIDA-LAS
5h 55m1 stop
7:00 am - 1:56 pmLAS-IDA
5h 56m1 stop
Mon, Jan 27 - Mon, Feb 3
2:46 pm - 7:41 pmIDA-LAS
5h 55m1 stop
10:01 pm - 5:42 pmLAS-IDA
18h 41m2 stops
Fri, Jan 24 - Sun, Jan 26
6:32 pm - 7:24 pmIDA-LAS
1h 52mnonstop
10:01 pm - 5:42 pmLAS-IDA
18h 41m2 stops
Fri, Jan 24 - Sun, Jan 26
4:04 pm - 9:00 pmIDA-LAS
5h 56m1 stop
10:02 am - 10:33 pmLAS-IDA
11h 31m2 stops
$607Alaska Airlines
Find Deal
Mon, Jan 27 - Mon, Feb 3
8:00 am - 1:05 pmIDA-LAS
6h 05m1 stop
9:30 am - 10:33 pmLAS-IDA
12h 03m1 stop
$641Alaska Airlines
Find Deal
Mon, Jan 27 - Wed, Jan 29
2:28 pm - 8:36 pmIDA-LAS
7h 08m1 stop
12:59 am - 1:21 pmLAS-IDA
11h 22m2 stops
$997United Airlines
Find Deal
Mon, Jan 27 - Tue, Jan 28
5:30 am - 8:24 pmIDA-LAS
15h 54m2 stops
7:00 am - 10:17 pmLAS-IDA
14h 17m2 stops
$1,104American Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
5:50 pm - 9:56 pmIDA-LAS
5h 06m1 stop
12:59 am - 1:21 pmLAS-IDA
11h 22m2 stops
$1,234United Airlines
Find Deal
Fri, Jan 24 - Sat, Jan 25
9:37 pm - 10:25 pmIDA-LAS
1h 48mnonstop
8:15 am - 11:04 amLAS-IDA
1h 49mnonstop
$88Allegiant Air
Find Deal
Mon, Mar 17 - Wed, Mar 19
9:32 pm - 10:19 pmIDA-LAS
1h 47mnonstop
11:50 am - 2:36 pmLAS-IDA
1h 46mnonstop
$161Allegiant Air
Find Deal
Fri, Feb 28 - Mon, Mar 3
9:33 pm - 10:20 pmIDA-LAS
1h 47mnonstop
11:51 am - 2:37 pmLAS-IDA
1h 46mnonstop
$163Allegiant Air
Find Deal
Fri, Feb 21 - Mon, Feb 24
9:29 pm - 10:12 pmIDA-LAS
1h 43mnonstop
11:45 am - 2:37 pmLAS-IDA
1h 52mnonstop
$164Allegiant Air
Find Deal
Fri, Apr 4 - Mon, Apr 7
9:32 pm - 10:19 pmIDA-LAS
1h 47mnonstop
11:50 am - 2:36 pmLAS-IDA
1h 46mnonstop
$169Allegiant Air
Find Deal
Fri, Feb 28 - Mon, Mar 3
6:32 pm - 7:24 pmIDA-LAS
1h 52mnonstop
11:49 am - 2:38 pmLAS-IDA
1h 49mnonstop
$174Allegiant Air
Find Deal
Mon, Feb 3 - Mon, Mar 31
9:34 pm - 10:17 pmIDA-LAS
1h 43mnonstop
11:50 am - 2:42 pmLAS-IDA
1h 52mnonstop
$176Allegiant Air
Find Deal
Fri, May 9 - Mon, May 12
6:32 pm - 7:24 pmIDA-LAS
1h 52mnonstop
11:49 am - 2:38 pmLAS-IDA
1h 49mnonstop
$179Allegiant Air
Find Deal
Mon, Feb 3 - Mon, Mar 31
9:34 pm - 10:17 pmIDA-LAS
1h 43mnonstop
11:50 am - 2:42 pmLAS-IDA
1h 52mnonstop
$183Allegiant Air
Find Deal
Fri, Apr 11 - Mon, Apr 14
9:37 pm - 10:25 pmIDA-LAS
1h 48mnonstop
11:49 am - 2:38 pmLAS-IDA
1h 49mnonstop
$198Allegiant Air
Find Deal
Mon, Mar 24 - Mon, Mar 31

United Airlines flights from Idaho Falls to Las Vegas

Our best United Airlines deals on Idaho Falls to Las Vegas flight tickets
United Airlines
Feb 19
IDA5:44 pmIdaho Falls Fanning Field
5h 28m
1 stop
LAS10:12 pmLas Vegas Harry Reid Intl
Feb 26
LAS7:15 amLas Vegas Harry Reid Intl
5h 16m
1 stop
IDA1:31 pmIdaho Falls Fanning Field
United Airlines
Mar 17
IDA5:48 pmIdaho Falls Fanning Field
5h 14m
1 stop
LAS10:02 pmLas Vegas Harry Reid Intl
Mar 19
LAS6:00 amLas Vegas Harry Reid Intl
6h 27m
1 stop
IDA1:27 pmIdaho Falls Fanning Field
United Airlines
Feb 22
IDA4:29 pmIdaho Falls Fanning Field
5h 08m
1 stop
LAS8:37 pmLas Vegas Harry Reid Intl
Feb 24
LAS8:34 pmLas Vegas Harry Reid Intl
19h 35m
2 stops
IDA5:09 pmIdaho Falls Fanning Field

Allegiant Air flights from Idaho Falls to Las Vegas

Our best Allegiant Air deals on Idaho Falls to Las Vegas flight tickets
Allegiant Air
Mar 17
IDA9:37 pmIdaho Falls Fanning Field
1h 48m
LAS10:25 pmLas Vegas Harry Reid Intl
Mar 19
LAS8:15 amLas Vegas Harry Reid Intl
1h 49m
IDA11:04 amIdaho Falls Fanning Field
Allegiant Air
Jan 27
IDA6:32 pmIdaho Falls Fanning Field
1h 52m
LAS7:24 pmLas Vegas Harry Reid Intl
Feb 3
LAS8:30 amLas Vegas Harry Reid Intl
1h 59m
IDA11:29 amIdaho Falls Fanning Field
Allegiant Air
Feb 28
IDA9:32 pmIdaho Falls Fanning Field
1h 47m
LAS10:19 pmLas Vegas Harry Reid Intl
Mar 3
LAS11:50 amLas Vegas Harry Reid Intl
1h 46m
IDA2:36 pmIdaho Falls Fanning Field

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Idaho Falls to Las Vegas

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 typical price of a round-trip flight between Idaho Falls and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of July is, on average, the cheapest month to fly to Las Vegas from Idaho Falls, with most prices found around $108. The month of August is another great option to travel to Las Vegas, with average flight prices from Idaho Falls averaging around $136.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $120. Flights from Idaho Falls to Las Vegas on a Tuesday will generally be more expensive and average around $471. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $158. Flights to Las Vegas are more costly at noon, with an average ticket price of $522. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Idaho Falls Fanning Field to Las Vegas Harry Reid Intl flight route?

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

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Idaho Falls when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $202 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Idaho Falls for as low as $145 on momondo.

What cabin class options are available on Idaho Falls Fanning Field to Las Vegas Harry Reid Intl flights?

There are 1 cabin classes available to choose from on Idaho Falls Fanning Field to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Idaho Falls to Las Vegas flight prices changed over time?

As of January 2025, prices for Idaho Falls to Las Vegas flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Idaho Falls to Las Vegas

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

Cheap Idaho Falls to Las Vegas (IDA to LAS) flight deals and tips

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

Best Price Found

$105

Fastest flight time

1h 43m

Direct flights

Tue and Sat

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from Idaho Falls in the past 72 hours is $105. The best round-trip flight deal from Idaho Falls to Las Vegas found on momondo in the last 72 hours is $88.
The fastest flight from Idaho Falls to Las Vegas takes 1h 43m
Direct flights go from Idaho Falls to Las Vegas on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)

  • How far is Idaho Falls Fanning Field to Las Vegas Harry Reid Intl by plane?

    A flight from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl will travel around 529.6 mi. By plane, this route typically takes 1h 43m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Idaho Falls to Las Vegas?


Best airlines flying from Idaho Falls to Las Vegas

Compare and see reviews for airlines that fly from Idaho Falls to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $88Free CancellationRating
7.3
801 reviews
Search Allegiant Air flights
DeltaPriceFrom $232Free CancellationRating
8.0
8,514 reviews
Search Delta flights
Alaska AirlinesPriceFrom $267Free CancellationRating
8.0
9,707 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
  • Allegiant Air Flights From Idaho Falls to Las Vegas

    Across 2 Allegiant Air flights from Idaho Falls to Las Vegas this week, the average price was $155, with the best Allegiant Air deals starting from $88 round-trip. 801 users have rated Allegiant Air on momondo, with an average score of 7.3/10.


Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Kingman
Pahrump
Paradise
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

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

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

All flight searches from Idaho Falls to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

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

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 Las Vegas.

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

Yes momondo offers price alerts on flights to Las Vegas from Idaho Falls. 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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