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Cheap flights from Las Vegas to Idaho Falls

4 nonstop flights a week. Operated by Allegiant Air, about 1h 47m in the air, 532 mi (856 km). Tickets from $255.

Flights from Las Vegas to Idaho Falls

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Filters

Best fares from Las Vegas to Idaho Falls

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $255 15 November 2026, with a connection Cheapest in the next 7 days $255 15 November, Sun Cheapest month November 2026 tickets from $255

Las Vegas to Idaho Falls at a glance

flight time, from 1h 44m to 1h 51m
1h 47m
straight-line distance
532 mi (856 km)
flights a week
4
next flight
13 November
first and last departure
10:04 - 12:48
lowest price, with a connection, 15 November
$255
airline
1

Las Vegas to Idaho Falls flight schedule

4 flights a week, 15 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
G4 70
Allegiant Air
10:04 McCarran International, terminal 1
12:53 Idaho Falls Regional
1h 49m
Mon
Airbus A319
G4 70
Allegiant Air
10:41 McCarran International, terminal 1
13:30 Idaho Falls Regional
1h 49m
Fri
Airbus A319
G4 114
Allegiant Air
12:48 McCarran International, terminal 1
15:34 Idaho Falls Regional
1h 46m
Fri
Airbus A319
G4 1734
Allegiant Air
12:48 McCarran International, terminal 1
15:34 Idaho Falls Regional
1h 46m
Mon
Airbus A319

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 25 November.

FlightDepartsArrivesDurationDaysAircraft
G4 1734
Allegiant Air
09:00 McCarran International, terminal 1
11:46 Idaho Falls Regional
1h 46m
Selected dates
Airbus A319
G4 42
Allegiant Air
15:30 McCarran International, terminal 1
18:16 Idaho Falls Regional
1h 46m
Seasonal
Airbus A319
G4 42
Allegiant Air
11:56 McCarran International, terminal 1
14:42 Idaho Falls Regional
1h 46m
Seasonal
Airbus A319
G4 42
Allegiant Air
12:24 McCarran International, terminal 1
15:15 Idaho Falls Regional
1h 51m
Seasonal
Airbus A319
G4 114
Allegiant Air
10:00 McCarran International, terminal 1
12:51 Idaho Falls Regional
1h 51m
Seasonal
Airbus A319
G4 1734
Allegiant Air
12:43 McCarran International, terminal 1
15:32 Idaho Falls Regional
1h 49m
Selected dates
Airbus A319
G4 1734
Allegiant Air
10:00 McCarran International, terminal 1
12:49 Idaho Falls Regional
1h 49m
Selected dates
Airbus A319
G4 114
Allegiant Air
12:33 McCarran International, terminal 1
15:22 Idaho Falls Regional
1h 49m
Seasonal
Airbus A319
G4 42
Allegiant Air
10:00 McCarran International, terminal 1
12:47 Idaho Falls Regional
1h 47m
Seasonal
Airbus A319
G4 42
Allegiant Air
09:00 McCarran International, terminal 1
11:47 Idaho Falls Regional
1h 47m
Seasonal
Airbus A319
G4 48
Allegiant Air
13:11 McCarran International, terminal 1
15:55 Idaho Falls Regional
1h 44m
Seasonal
Airbus A319
G4 48
Allegiant Air
13:18 McCarran International, terminal 1
16:04 Idaho Falls Regional
1h 46m
Seasonal
Airbus A319
G4 48
Allegiant Air
13:31 McCarran International, terminal 1
16:17 Idaho Falls Regional
1h 46m
Seasonal
Airbus A319
G4 48
Allegiant Air
13:26 McCarran International, terminal 1
16:13 Idaho Falls Regional
1h 47m
Seasonal
Airbus A319
G4 48
Allegiant Air
13:15 McCarran International, terminal 1
16:02 Idaho Falls Regional
1h 47m
Seasonal
Airbus A319

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Idaho Falls is 1 hour ahead of Las Vegas. The search shows seat availability and the price for your date.

Airlines flying Las Vegas to Idaho Falls

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Allegiant Air4 a week

Airports

Where flights from Las Vegas to Idaho Falls depart and land

Departure from Las Vegas

McCarran International LAS

4 flights a week, terminal 1, 6 mi (9 km) from the city centre

About the airport

Arrival in Idaho Falls

Idaho Falls Regional IDA

4 flights a week, 2 mi (3 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Las Vegas to Idaho Falls?
A nonstop flight takes 1 hour 47 minutes on average, from 1h 44m to 1h 51m depending on the flight.
How far is Idaho Falls from Las Vegas?
532 mi (856 km) in a straight line between the cities.
Which airlines fly nonstop from Las Vegas to Idaho Falls?
Allegiant Air (4 a week).
How many flights a day are there from Las Vegas to Idaho Falls?
There are 4 a week, about 0.6 a day on average.
When are the first and last flights from Las Vegas to Idaho Falls?
The first departure is at 10:04 (G470), the last at 12:48 (G41734). Local time.
What is the cheapest upcoming date to fly from Las Vegas to Idaho Falls?
15 November 2026 (Sunday): from $255 one way, with a connection, by recent searches. The search shows the price for your dates.
What is the time difference between Las Vegas and Idaho Falls?
Idaho Falls is 1 hour ahead of Las Vegas. Schedule times on this page are local to each airport.
Which Las Vegas airport do flights to Idaho Falls leave from?
McCarran International (4 a week).