FlightsFrom Idaho Falls

To Las Vegas

Cheap Flights from Idaho Falls to Las Vegas

Browse current best options from Idaho Falls. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Idaho Falls

RatePunk searches hundreds of travel sites at once for deals on flights to Las Vegas

Prices updated 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

Today’s best flight deals from Idaho Falls to Las Vegas

Explore current cheapest deals departing from Idaho Falls to Las Vegas

August 3 - August 7

Cheapest
Best
Earliest

IDA - Las Vegas

$255

$74

Round trip

August 10 - August 28

IDA - Las Vegas

$193

$75

Round trip

August 3 - August 28

Earliest

IDA - Las Vegas

$189

$76

Round trip

August 17 - August 28

IDA - Las Vegas

$206

$78

Round trip

August 10 - August 14

IDA - Las Vegas

$249

$78

Round trip

October 19 - October 30

IDA - Las Vegas

$144

$84

Round trip

August 7 - August 31

IDA - Las Vegas

$189

$86

Round trip

September 14 - September 18

IDA - Las Vegas

$138

$88

Round trip

October 5 - October 9

IDA - Las Vegas

$153

$88

Round trip

August 3 - August 21

Earliest

IDA - Las Vegas

$193

$90

Round trip

Unlock all 500+ flight deals to Las Vegas and get alerts when great deals appear

Idaho Falls to Las Vegas: Overview

Insights for flights from Idaho Falls to Las Vegas

Most itineraries for flights from Idaho Falls to Las Vegas connect at least once, with only 1.4% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2.
A typical journey from Idaho Falls to Las Vegas takes 17h 36m, including connections. This duration accounts for the majority of itineraries that involve at least one stopover.
When is the cheapest time to fly from Idaho Falls to Las Vegas? The most affordable months to fly are typically October, with a median fare of $60, followed by September at $64, and March at $71. These months offer significantly lower prices compared to the overall median.
Right now, fares for cheap flights from Idaho Falls to Las Vegas typically range from $475–$781, with a median of $629. Current fares are near the typical level, and 7% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities for savings.
The route from Idaho Falls to Las Vegas covers a distance of 867 km, which classifies it as a short-haul flight. This distance means you are traveling a relatively short distance, often within the same region or to a nearby country.

How much is a round trip from Idaho Falls to Las Vegas

Regular price: $138 - $343

Prices for flights from Idaho Falls to Las Vegas are currently below the regular range.

The regular price range for flights from Idaho Falls to Las Vegas is between $138 and $343. The current lowest deal is $75 with Allegiant Air, for travel from Aug 10-Aug 28.

now $75

Low $138

High $343

The cheapest time to fly from Idaho Falls to Las Vegas

The cheapest month to fly from Idaho Falls to Las Vegas is October, with a median price of $60. The most expensive month is July, with a median price of $641. Prices are generally lower from January to October.

October

Cheapest

Flights from $60

July

Most Expensive

Flights from $641

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct

Direct flights from Idaho Falls to Las Vegas

Airline logo

Allegiant Air

Last-minute flights going from Idaho Falls to Las Vegas

Mon, Jul 13

⌛ Last-Minute

IDA - Las Vegas

Allegiant Air

Idaho Falls (IDA) - Las Vegas (LAS)

Allegiant Air

$238

$176

One-way

Mon, Jul 13

⌛ Last-Minute

IDA - Las Vegas

Allegiant Air

Idaho Falls (IDA) - Las Vegas (LAS)

Allegiant Air

$457

$356

One-way

Tue, Jul 21

⌛ Last-Minute

IDA - Las Vegas

Alaska Airlines, Inc.

Idaho Falls (IDA) - Las Vegas (LAS)

Alaska Airlines, Inc.

$374

$292

One-way

Fri, Jul 24

⌛ Last-Minute

IDA - Las Vegas

Allegiant Air

Idaho Falls (IDA) - Las Vegas (LAS)

Allegiant Air

$187

$120

One-way

Mon, Jul 27

⌛ Last-Minute

IDA - Las Vegas

Allegiant Air

Idaho Falls (IDA) - Las Vegas (LAS)

Allegiant Air

$173

$128

One-way

Mon, Jul 27

⌛ Last-Minute

IDA - Las Vegas

Allegiant Air

Idaho Falls (IDA) - Las Vegas (LAS)

Allegiant Air

$339

$296

One-way

Biggest price drops on these dates for flights from Idaho Falls to Las Vegas

3 nights

Aug 24 - Aug 27

$497  →  $237

52%

7 nights

Aug 19 - Aug 26

$467  →  $240

49%

2 nights

Aug 6 - Aug 8

$514  →  $300

42%

2 nights

Aug 25 - Aug 27

$502  →  $302

40%

Popular Airports to fly from Idaho Falls to Las Vegas

Idaho Falls - Las Vegas route insights

💸 Price insights

Recent fares are near the typical level.

Recent IDA to LAS fares are near the typical level of $629.

📅 Best time to fly

October is historically the cheapest month to fly.

Historically, October is the cheapest with a median price of $60, while July is the most expensive at $641.

⏱️ Flight duration

The typical flight duration is 17h 36m.

Flights from Idaho Falls to Las Vegas typically take 17h 36m.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Only 1.4% of recent flights are direct, with connecting flights having a median of 2 stopovers.

🏆 Airline highlight

Allegiant Air offers direct flights.

Allegiant Air has offered direct flights on this route, with one direct deal recently found.

🎯 Booking tip

Deals appear frequently for this route.

Deals for flights from Idaho Falls to Las Vegas appear frequently, typically within 30 days.

Idaho Falls main airports to depart from

Idaho Falls Regional (IDA)

Cheapest

Idaho Falls Regional Airport is a good choice for flights to Las Vegas, offering competitive prices.

📍 ~5 km from Idaho Falls (reachable by car)

💸 Flights from ~$78

Las Vegas main airports to arrive at

Harry Reid International Airport (LAS)

Cheapest

Harry Reid International Airport is a convenient arrival airport for your trip to Las Vegas.

📍 ~8 km from Las Vegas city center (reachable by car)

💸 Flights from ~$78

Airports nearby Las Vegas used as alternative

Ontario International (ONT)

Ontario International is a major regional hub with significant domestic capacity, offering a reliable alternative for Southern California connections.

📍 ~350 km from Las Vegas (requires a drive of approximately 3 to 4 hours)

💸 Flights from ~$240

Palm Springs International (PSP)

Palm Springs International is geographically one of the closer medium-sized airports to Las Vegas, offering efficient terminal experience.

📍 ~270 km from Las Vegas

💸 Flights from ~$371

St. George Regional (SGU)

St. George Regional is the closest geographic candidate to Las Vegas, good for regional connections to major Western hubs.

📍 ~190 km from Las Vegas

💸 Flights from ~$322

Hollywood Burbank (BUR)

Hollywood Burbank offers a highly convenient terminal layout with quick access, avoiding the extreme congestion of LAX.

📍 ~390 km from Las Vegas (significant drive through mountain passes and potential LA traffic)

💸 Flights from ~$184

Phoenix Sky Harbor International (PHX)

Cheapest

Phoenix Sky Harbor International is a major international hub with extensive global connectivity and high reliability.

📍 ~400 km from Las Vegas (long drive approx. 4.5 to 5 hours)

💸 Flights from ~$113

Business & First Class Flight Deals to Las Vegas

Discover luxury on the budget with premium cabin class on flights from Idaho Falls to Las Vegas.

Elite

Best Elite deals to Las Vegas

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IDA

Elite

Aug 11

Las Vegas, United States

80% AI deal score

$1,947

$900

Save $1,047

From IDA

Elite

Sep 02

Las Vegas, United States

80% AI deal score

$2,129

$919

Save $1,210

From IDA

Elite

Aug 16

Las Vegas, United States

80% AI deal score

$2,220

$945

Save $1,275

From IDA

Elite

Sep 02

Las Vegas, United States

80% AI deal score

$2,291

$964

Save $1,327

From IDA

Elite

Aug 15

Las Vegas, United States

80% AI deal score

$2,191

$964

Save $1,227

From IDA

Elite

Jun 30

Las Vegas, United States

80% AI deal score

$1,122

$699

Save $423

From IDA

Elite

Aug 16

Las Vegas, United States

79% AI deal score

$1,940

$900

Save $1,040

From IDA

Elite

Aug 15

Las Vegas, United States

79% AI deal score

$1,930

$919

Save $1,011

From IDA

Elite

Aug 12

Las Vegas, United States

79% AI deal score

$1,940

$919

Save $1,021

From IDA

Elite

Aug 04

Las Vegas, United States

79% AI deal score

$2,010

$945

Save $1,065

From IDA

Elite

Aug 11

Las Vegas, United States

79% AI deal score

$2,033

$945

Save $1,088

From IDA

Elite

Sep 02

Las Vegas, United States

79% AI deal score

$2,117

$964

Save $1,153

From IDA

Elite

Aug 12

Las Vegas, United States

79% AI deal score

$2,052

$964

Save $1,088

From IDA

Elite

Sep 02

Las Vegas, United States

79% AI deal score

$2,305

$1,014

Save $1,291

From IDA

Elite

Jun 19

Las Vegas, United States

79% AI deal score

$1,263

$829

Save $434

From IDA

Elite

Aug 16

Las Vegas, United States

78% AI deal score

$1,942

$938

Save $1,004

From IDA

Elite

Aug 16

Las Vegas, United States

78% AI deal score

$1,950

$945

Save $1,005

From IDA

Elite

Aug 11

Las Vegas, United States

78% AI deal score

$1,930

$945

Save $985

From IDA

Elite

Aug 12

Las Vegas, United States

78% AI deal score

$1,930

$964

Save $966

From IDA

Elite

Aug 15

Las Vegas, United States

78% AI deal score

$1,930

$964

Save $966

From IDA

Elite

Aug 15

Las Vegas, United States

78% AI deal score

$1,948

$964

Save $984

From IDA

Elite

Aug 07

Las Vegas, United States

78% AI deal score

$1,935

$964

Save $971

From IDA

Elite

Aug 07

Las Vegas, United States

78% AI deal score

$2,021

$964

Save $1,057

From IDA

Elite

Jul 29

Las Vegas, United States

78% AI deal score

$1,969

$964

Save $1,005

From IDA

Elite

Sep 01

Las Vegas, United States

78% AI deal score

$1,164

$710

Save $454

From IDA

Elite

Aug 16

Las Vegas, United States

77% AI deal score

$1,940

$978

Save $962

From IDA

Elite

Aug 04

Las Vegas, United States

77% AI deal score

$1,953

$995

Save $958

From IDA

Elite

Aug 16

Las Vegas, United States

77% AI deal score

$1,960

$995

Save $965

From IDA

Elite

Aug 11

Las Vegas, United States

77% AI deal score

$1,930

$995

Save $935

From IDA

Elite

Jul 20

Las Vegas, United States

77% AI deal score

$1,986

$1,009

Save $977

From IDA

Elite

Aug 28

Las Vegas, United States

77% AI deal score

$1,988

$1,014

Save $974

From IDA

Elite

Aug 07

Las Vegas, United States

77% AI deal score

$1,935

$1,014

Save $921

From IDA

Elite

Aug 15

Las Vegas, United States

77% AI deal score

$1,933

$1,014

Save $919

From IDA

Elite

Aug 12

Las Vegas, United States

77% AI deal score

$1,930

$1,014

Save $916

From IDA

Elite

Aug 04

Las Vegas, United States

77% AI deal score

$2,196

$1,065

Save $1,131

From IDA

Elite

Aug 16

Las Vegas, United States

76% AI deal score

$1,940

$1,046

Save $894

From IDA

Elite

Aug 11

Las Vegas, United States

76% AI deal score

$1,930

$1,046

Save $884

From IDA

Elite

Aug 28

Las Vegas, United States

76% AI deal score

$2,012

$1,059

Save $953

From IDA

Elite

Jul 29

Las Vegas, United States

76% AI deal score

$2,191

$1,110

Save $1,081

From IDA

Elite

Jul 29

Las Vegas, United States

76% AI deal score

$2,219

$1,110

Save $1,109

From IDA

Elite

Aug 28

Las Vegas, United States

75% AI deal score

$1,956

$1,059

Save $897

From IDA

Elite

Aug 13

Las Vegas, United States

75% AI deal score

$1,930

$1,065

Save $865

From IDA

Elite

Jul 20

Las Vegas, United States

75% AI deal score

$2,074

$1,110

Save $964

From IDA

Elite

Jul 20

Las Vegas, United States

75% AI deal score

$2,078

$1,110

Save $968

From IDA

Elite

Aug 01

Las Vegas, United States

75% AI deal score

$1,214

$814

Save $400

From IDA

Elite

Jun 17

Las Vegas, United States

75% AI deal score

$1,281

$994

Save $287

From IDA

Elite

Jul 03

Las Vegas, United States

74% AI deal score

$2,209

$1,211

Save $998

From IDA

Elite

Jul 13

Las Vegas, United States

74% AI deal score

$1,203

$927

Save $276

From IDA

Elite

Jul 24

Las Vegas, United States

70% AI deal score

$2,262

$1,211

Save $1,051

From IDA

Elite

Jul 27

Las Vegas, United States

70% AI deal score

$2,117

$1,211

Save $906

From IDA

Elite

Jul 27

Las Vegas, United States

70% AI deal score

$2,137

$1,211

Save $926

From IDA

Elite

Jul 03

Las Vegas, United States

70% AI deal score

$2,081

$1,211

Save $870

From IDA

Elite

Oct 07

Las Vegas, United States

68% AI deal score

$1,100

$865

Save $235

From IDA

Elite

Aug 26

Las Vegas, United States

68% AI deal score

$1,125

$865

Save $260

From IDA

Elite

Aug 01

Las Vegas, United States

68% AI deal score

$1,234

$969

Save $265

From IDA

Elite

Jul 08

Las Vegas, United States

68% AI deal score

$1,274

$1,013

Save $261

From IDA

Elite

Aug 12

Las Vegas, United States

68% AI deal score

$1,220

$936

Save $284

From IDA

Elite

Aug 03

Las Vegas, United States

68% AI deal score

$1,221

$950

Save $271

From IDA

Elite

Aug 04

Las Vegas, United States

68% AI deal score

$1,251

$967

Save $284

From IDA

Elite

Aug 19

Las Vegas, United States

67% AI deal score

$1,113

$910

Save $203

From IDA

Elite

Nov 04

Las Vegas, United States

67% AI deal score

$1,124

$955

Save $169

From IDA

Elite

Jun 29

Las Vegas, United States

66% AI deal score

$1,107

$980

Save $127

From IDA

Elite

Jun 26

Las Vegas, United States

66% AI deal score

$1,161

$1,014

Save $147

From IDA

Elite

Jun 26

Las Vegas, United States

66% AI deal score

$1,194

$1,090

Save $104

From IDA

Elite

Jul 03

Las Vegas, United States

65% AI deal score

$1,073

$984

Save $89

From IDA

Elite

Nov 02

Las Vegas, United States

65% AI deal score

$1,124

$1,014

Save $110

From IDA

Elite

Nov 17

Las Vegas, United States

65% AI deal score

$1,123

$1,024

Save $99

From IDA

Elite

Nov 23

Las Vegas, United States

65% AI deal score

$1,123

$1,030

Save $93

From IDA

Elite

Jun 29

Las Vegas, United States

65% AI deal score

$1,155

$1,071

Save $84

From IDA

Elite

Jun 28

Las Vegas, United States

65% AI deal score

$1,150

$1,071

Save $79

From IDA

Elite

Jul 02

Las Vegas, United States

50% AI deal score

$1,089

$1,010

Save $79

From IDA

Elite

Oct 26

Las Vegas, United States

50% AI deal score

$1,095

$1,010

Save $85

From IDA

Elite

Sep 30

Las Vegas, United States

49% AI deal score

$1,064

$1,014

Save $50

From IDA

Elite

Jul 04

Las Vegas, United States

49% AI deal score

$1,073

$1,014

Save $59

From IDA

Elite

Oct 06

Las Vegas, United States

49% AI deal score

$1,100

$1,049

Save $51

From IDA

Elite

Aug 20

Las Vegas, United States

49% AI deal score

$1,127

$1,055

Save $72

From IDA

Elite

Aug 10

Las Vegas, United States

49% AI deal score

$1,170

$1,110

Save $60

From IDA

Elite

Oct 22

Las Vegas, United States

48% AI deal score

$1,093

$1,065

Save $28

From IDA

Elite

Nov 19

Las Vegas, United States

47% AI deal score

$1,123

From IDA

Elite

Jul 10

Las Vegas, United States

47% AI deal score

$1,145

From IDA

Elite

Jul 24

Las Vegas, United States

47% AI deal score

$1,254

From IDA

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Jul 13

Las Vegas, United States

46% AI deal score

$1,055

From IDA

Elite

Sep 01

Las Vegas, United States

46% AI deal score

$1,059

From IDA

Elite

Sep 15

Las Vegas, United States

42% AI deal score

$1,055

From IDA

Elite

Nov 24

Las Vegas, United States

38% AI deal score

$1,501

From IDA

Elite

Oct 25

Las Vegas, United States

37% AI deal score

$1,506

From IDA

Elite

Nov 15

Las Vegas, United States

36% AI deal score

$1,685

From IDA

Elite

Sep 04

Las Vegas, United States

36% AI deal score

$1,901

From IDA

Elite

Oct 05

Las Vegas, United States

36% AI deal score

$2,346

From IDA

Elite

Nov 24

Las Vegas, United States

36% AI deal score

$2,516

From IDA

Elite

Oct 15

Las Vegas, United States

36% AI deal score

$4,039

Frequently Asked Questions About Flights to Las Vegas

Historically, the optimal time to purchase flights from Idaho Falls to Las Vegas has been within 0-6 days of departure. During this period, the average price was $387. Prices tend to be higher further out, with flights booked 60+ days in advance averaging $675. Even at 7-13 days out, the average price was $699, indicating that last-minute bookings can offer better value on this route.

Across the trailing quarter, a good price for a flight from Idaho Falls to Las Vegas was considered to be $475 or less. The median price for this route over the same 90-day period was $629. Prices can range significantly, with 75% of observed prices being $781 or less.

Historically, October has been the cheapest month to fly from Idaho Falls to Las Vegas, with a median price of $60. September also offered favorable pricing, with a median of $64. The annual median price for this route was $629, indicating significant savings are possible during these months.