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
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Prices updated 24 days ago
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171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Idaho Falls to Las Vegas
Explore current cheapest deals departing from Idaho Falls to Las Vegas
Round trip
Sort by: Cheapest
August 3 - August 7
IDA - Las Vegas
$244
$78
Round trip
August 10 - August 14
IDA - Las Vegas
$244
$78
Round trip
August 3 - August 28
IDA - Las Vegas
$190
$80
Round trip
July 13 - July 24
IDA - Las Vegas
$143
$86
Round trip
September 7 - September 11
IDA - Las Vegas
$145
$87
Round trip
July 27 - July 31
IDA - Las Vegas
$158
$88
Round trip
July 3 - July 24
IDA - Las Vegas
$136
$89
Round trip
July 3 - July 10
IDA - Las Vegas
$157
$89
Round trip
July 3 - July 17
IDA - Las Vegas
$141
$89
Round trip
August 3 - August 14
IDA - Las Vegas
$205
$90
Round trip
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Route Intelligence — 486,190 Searches this Week
Insights for flights from Idaho Falls to Las Vegas
How much is a round trip from Idaho Falls to Las Vegas
Regular price: $162 - $336
Prices for flights from Idaho Falls to Las Vegas are currently below the regular range.
The regular price range for this route is $162 to $336. The current lowest deal is $78 with Allegiant Air, for travel from August 3 to August 7.
now $78
Low $162
High $336
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
Flights from $60
July
Flights from $641
Direct flights from Idaho Falls to Las Vegas
Allegiant Air
Last-minute flights going from Idaho Falls to Las Vegas
Fri, Jun 19
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Allegiant Air
$194
$157
One-way
Fri, Jun 19
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Allegiant Air
$227
$165
One-way
Mon, Jun 22
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Allegiant Air
$210
$144
One-way
Tue, Jun 23
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Alaska Airlines, Inc.
$425
$397
One-way
Thu, Jul 2
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Deutsche Luft Hansa
$342
$338
One-way
Fri, Jul 3
IDA - Las Vegas
Idaho Falls (IDA) - Las Vegas (LAS)
Allegiant Air
$136
$89
One-way
Biggest price drops on these dates for flights from Idaho Falls to Las Vegas
Aug 6 - Aug 8
$502 → $328
35%
Aug 1 - Aug 8
$467 → $300
36%
Aug 3 - Aug 7
$244 → $78
68%
Aug 10 - Aug 14
$244 → $78
68%
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 fares for Idaho Falls to Las Vegas are near the typical level, with a median of $625.
📅 Best time to fly
October is historically the cheapest month to fly.
Historically, October is the cheapest month to fly from Idaho Falls to Las Vegas, with a median price of $60.
⏱️ Flight duration
Connecting flights typically take 17h 36m.
Flights from Idaho Falls to Las Vegas typically take 17h 36m, with most deals being connecting flights.
✈️ Airlines & availability
Connecting flights are dominant on this route.
Connecting flights make up the majority of deals, with 2 stopovers being typical for connecting options.
🏆 Airline highlight
Allegiant Air offers direct flights on this route.
Allegiant Air is one airline that has offered direct flights from Idaho Falls to Las Vegas.
🎯 Booking tip
Deals appear frequently, about once per day.
Historically, deals for flights on this route appear frequently, about 0.9 times per day.
Idaho Falls main airports to depart from
Idaho Falls Regional (IDA)
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)
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 offers extensive domestic flight options and is less congested than LAX for travelers.
📍 ~360 km from Las Vegas (requires a drive of approximately 3 to 4 hours depending on traffic)
💸 Flights from ~$231
St. George Regional (SGU)
St. George Regional is the closest alternative and offers very easy access via the I-15 corridor.
📍 ~190 km from Las Vegas (reachable by car)
💸 Flights from ~$322
Palm Springs International (PSP)
Palm Springs International is a reliable mid-sized airport with good connectivity to West Coast hubs.
📍 ~370 km from Las Vegas (reachable by car)
💸 Flights from ~$370
Hollywood Burbank (BUR)
Hollywood Burbank is efficient for reaching the Los Angeles basin without LAX traffic.
📍 ~400 km from Las Vegas (distance is substantial)
💸 Flights from ~$204
Phoenix Sky Harbor International (PHX)
Phoenix Sky Harbor International is a massive hub with routes that may not be available at LAS.
📍 ~480 km from Las Vegas (significant driving distance through desert terrain)
💸 Flights from ~$117
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
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From IDA
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Aug 28
Las Vegas, United States
75% AI deal score
$1,956
$1,059
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From IDA
Elite
Aug 13
Las Vegas, United States
75% AI deal score
$1,930
$1,065
Save $865
From IDA
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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
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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
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From IDA
Elite
Jul 03
Las Vegas, United States
74% AI deal score
$2,209
$1,211
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From IDA
Elite
Jul 13
Las Vegas, United States
74% AI deal score
$1,203
$927
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From IDA
Elite
Jul 24
Las Vegas, United States
70% AI deal score
$2,262
$1,211
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From IDA
Elite
Jul 27
Las Vegas, United States
70% AI deal score
$2,117
$1,211
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From IDA
Elite
Jul 27
Las Vegas, United States
70% AI deal score
$2,137
$1,211
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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
Elite
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