Cheap flights from Great Falls to Idaho Falls

Flight deals from Great Falls to Idaho Falls

Below you can see the best deals on flights Great Falls — Idaho Falls for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 29 September, from $312.

Top 10 cheap flights from Great Falls to Idaho Falls

About the Great Falls — Idaho Falls flight

Looking for cheap flights from Great Falls to Idaho Falls? Compare fares from different airlines, check the flight schedule and travel time — and book your Great Falls — Idaho Falls ticket online at the best price.

A nonstop flight takes about 1 h 4 min, the distance between the cities is around 450 km.

Planning your trip? You may find our Idaho Falls travel guide, how to get from the airport into town and Idaho Falls weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $312Min. price

SeptemberCheapest

OctoberPeak season

NoDirect flights

450 kmDistance

1 h 4 minTravel time

Below is a calendar of the lowest flight ticket prices for Great Falls — Idaho Falls by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $312 in September, and the most expensive are around $352 in October. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from Great Falls to Idaho Falls by month. Tickets are usually cheapest in May (around $162) and priciest in July (about $222) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$176	medium	May	$162	low	Sep	$195	medium
Feb	$167	low	Jun	$213	high	Oct	$167	low
Mar	$181	medium	Jul	$222	high	Nov	$162	low
Apr	$171	low	Aug	$213	high	Dec	$204	high

Some values are estimated based on seasonality.

When to fly

Weather in Idaho Falls: it is warmest in July (up to 32 °C on average) and coolest in January (around 0 °C). The driest month is July.

Tickets are usually cheapest in September and most expensive in October. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Idaho Falls

Dry and wet days · Idaho Falls

Wind speed and direction · Idaho Falls

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How to get the best deal on a Great Falls — Idaho Falls ticket

Book ahead: fares for Great Falls — Idaho Falls are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
The cheapest month to fly to Idaho Falls is usually September — plan your trip around it if your dates are flexible.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

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Cities and airports on the Great Falls — Idaho Falls route

Flights Great Falls — Idaho Falls depart from Great Falls International Airport and arrive at Idaho Falls Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Great Falls

GTF

United States

About the city How to get there Weather All about the country United States

Arrival

Idaho Falls

IDA

United States

About the city How to get there Weather All about the country United States

Departure airports

Great Falls International AirportGTF
About the airport

Arrival airports

Idaho Falls Regional AirportIDA
About the airport

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Frequently asked questions about the Great Falls — Idaho Falls flight

How long is the flight from Great Falls to Idaho Falls?

A nonstop Great Falls — Idaho Falls flight takes about 1 h 4 min — the distance between the cities is around 450 km.

How far is it from Great Falls to Idaho Falls?

The distance from Great Falls to Idaho Falls is about 450 km.

Which airports do Great Falls — Idaho Falls flights use?

Flights from Great Falls depart from Great Falls International Airport, and arrive at Idaho Falls Regional Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Great Falls to Idaho Falls?

The price of a Great Falls — Idaho Falls ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in October. Tickets typically cost between $312 and $352. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Great Falls — Idaho Falls?

Flights Great Falls — Idaho Falls are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Great Falls to Idaho Falls?

To catch a low fare Great Falls — Idaho Falls, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Great Falls

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Where else you can fly from Idaho Falls