$151 Cheap Flights from Idaho Falls (IDA) to Spokane (GEG)

View $151 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Spokane International Airport (GEG)

Cheap Flights from Idaho Falls to Spokane (IDA-GEG)

Prices were available within the past 7 days and start at $151 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Nov 18 - Wed, Dec 3
IDA
Idaho Falls
GEG
Spokane
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from Idaho Falls to Spokane, returning Wed, Dec 3, priced at $224 found 5 days ago
Hawaiian Airlines
Wed, Dec 3 - Sat, Dec 6
IDA
Idaho Falls
GEG
Spokane
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Idaho Falls to Spokane, returning Sat, Dec 6, priced at $234 found 2 days ago
Hawaiian Airlines
Sat, Dec 6 - Wed, Dec 24
IDA
Idaho Falls
GEG
Spokane
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Idaho Falls to Spokane, returning Wed, Dec 24, priced at $244 found 2 days ago
Alaska Airlines
Fri, Dec 5 - Tue, Dec 9
IDA
Idaho Falls
GEG
Spokane
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Idaho Falls to Spokane, returning Tue, Dec 9, priced at $244 found 2 days ago
Hawaiian Airlines
Mon, Dec 8 - Wed, Dec 24
IDA
Idaho Falls
GEG
Spokane
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Dec 8 from Idaho Falls to Spokane, returning Wed, Dec 24, priced at $253 found 1 day ago
Delta
Mon, Nov 24 - Sat, Dec 6
IDA
Idaho Falls
GEG
Spokane
$256 Roundtrip, found 3 days ago
$256
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 24 from Idaho Falls to Spokane, returning Sat, Dec 6, priced at $256 found 3 days ago
Hawaiian Airlines
Tue, Jan 20 - Sat, Jan 24
IDA
Idaho Falls
GEG
Spokane
$262 Roundtrip, found 8 hours ago
$262
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Tue, Jan 20 from Idaho Falls to Spokane, returning Sat, Jan 24, priced at $262 found 8 hours ago
Delta
Wed, Nov 19 - Sat, Dec 6
IDA
Idaho Falls
GEG
Spokane
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 19 from Idaho Falls to Spokane, returning Sat, Dec 6, priced at $263 found 5 days ago
United
Wed, Dec 24 - Wed, Dec 31
IDA
Idaho Falls
GEG
Spokane
$585 Roundtrip, found 3 days ago
$585
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Idaho Falls to Spokane, returning Wed, Dec 31, priced at $585 found 3 days ago
American Airlines
Thu, Nov 27 - Sat, Dec 6
IDA
Idaho Falls
GEG
Spokane
$621 Roundtrip, found 3 days ago
$621
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from Idaho Falls to Spokane, returning Sat, Dec 6, priced at $621 found 3 days ago

Find the cheapest month to fly from Idaho Falls (IDA) to Spokane (GEG)

January is typically the cheapest month to fly

From $217 - $563 per traveler.

Alternative airports near Spokane

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Spokane Intl. GEG. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $477
GEG
Spokane Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $477

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG) cost?
Secure a cheap one-way flight from $151 or cheap return flight from $224 from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG)?
The cheapest month to fly from IDA to GEG is November, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IDA to GEG flight.
How many flights per day from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG)?
There are no daily direct flights available from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from IDA to GEG?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG)?
Opt for a flight from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG) last-minute?
Holding off until right before your break to book a ticket from IDA to GEG generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book an IDA to GEG flight and hotel package?
Compared with arranging flights and hotels separately, booking an IDA to GEG flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Spokane Intl. Airport (GEG)?
If you booked your IDA to GEG flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Spokane Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$224
Distance
387 mi

Book with confidence

Idaho Falls to Spokane Flights

The cheapest times to fly from Idaho Falls to Spokane

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to Spokane are during the month of November. You can find some of the cheapest flights from Idaho Falls to Spokane with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to Spokane

Sunday is one of the best days to book for cheap flights from Idaho Falls to Spokane: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Idaho Falls to Spokane

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to Spokane in 2025. You can also book with separate airlines for your outbound and return journeys, from $151 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to Spokane flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to Spokane airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Idaho Falls to Spokane Flights

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*Available to One Key members.