CA $380 Cheap Flights from Spokane (GEG) to Idaho Falls (IDA)

View CA $380 flight on Sat, Aug 15, 2026Opens in a new window

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

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Cheap flights from Spokane (GEG) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at CA $380 for one-way flights and CA $944 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jul 11 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $944 Roundtrip, found 6 days ago
CA $944
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jul 11 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $944 found 6 days ago
Delta
Sun, Jul 12 - Thu, Jul 16
GEG
Spokane
IDA
Idaho Falls
CA $951 Roundtrip, found 6 days ago
CA $951
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jul 12 from Spokane to Idaho Falls, returning Thu, Jul 16, priced at CA $951 found 6 days ago
Alaska Airlines
Sat, Jul 11 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $972 Roundtrip, found 6 days ago
CA $972
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 11 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $972 found 6 days ago
Alaska Airlines
Sun, Jul 12 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $979 Roundtrip, found 6 days ago
CA $979
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Jul 12 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $979 found 6 days ago
Delta
Sat, Jul 11 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $989 Roundtrip, found 6 days ago
CA $989
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jul 11 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $989 found 6 days ago
Alaska Airlines
Sat, Jul 11 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $1,017 Roundtrip, found 6 days ago
CA $1,017
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 11 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $1,017 found 6 days ago
Alaska Airlines
Sun, Jul 12 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $1,024 Roundtrip, found 6 days ago
CA $1,024
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Jul 12 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $1,024 found 6 days ago
Delta
Sun, Jul 12 - Thu, Jul 16
GEG
Spokane
IDA
Idaho Falls
CA $1,030 Roundtrip, found 6 days ago
CA $1,030
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Jul 12 from Spokane to Idaho Falls, returning Thu, Jul 16, priced at CA $1,030 found 6 days ago
Alaska Airlines
Sun, Jul 12 - Thu, Jul 16
GEG
Spokane
IDA
Idaho Falls
CA $1,050 Roundtrip, found 6 days ago
CA $1,050
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Jul 12 from Spokane to Idaho Falls, returning Thu, Jul 16, priced at CA $1,050 found 6 days ago
Delta
Sat, Jul 11 - Wed, Jul 15
GEG
Spokane
IDA
Idaho Falls
CA $1,054 Roundtrip, found 6 days ago
CA $1,054
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Jul 11 from Spokane to Idaho Falls, returning Wed, Jul 15, priced at CA $1,054 found 6 days ago

Frequently asked questions

How much does a flight from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) cost?
You can find one-way and return flights from GEG to IDA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when GEG to IDA ticket fares go up or down.
What is the cheapest month to fly from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The cheapest months to fly from GEG to IDA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Enter GEG to IDA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Delta is one of the cheapest airlines offering connecting return flights from Spokane Intl. (GEG) to Idaho Falls Regional (IDA), with tickets starting from around CA$366 for flights that can be booked for departure within the next year, with a layover in Seattle - Tacoma Intl. (SEA). These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
To find a cheap flight from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
There are approximately 8 connecting flights per day from Spokane Intl. (GEG) to Idaho Falls Regional (IDA). Some common connection points include Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), and Boise, ID (BOI).
What is the earliest flight from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The earliest flight from Spokane International Airport (GEG) to Idaho Falls Regional Airport (IDA) typically departs around 12:55 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
You'll typically find the most flights from Spokane Intl. (GEG) to Idaho Falls Regional (IDA) on a Tuesday, with around 22 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta, and United. Flight schedules are fairly consistent throughout the week, with Tuesdays having only slightly more options than other days.
What are the most popular departure times for flights from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The most popular departure times for flights from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Delta and United, offer flights during this window. Many travellers prefer this time as it allows for an early start to their day in Idaho Falls.
How long does it take to fly from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
There are no nonstop flights from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional). The distance between these two airports is approximately 624 kilometres. Flights with one stop typically take around 7 hours 30 minutes. If you opt for flights with two or more stops, your travel time will be longer, usually around 12 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
You can fly business class or first class between GEG and IDA. First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight with Expedia?
It's easy to earn miles on a Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Idaho Falls, ID (IDA) from Spokane, WA (GEG)?
If you're planning to travel to Idaho Falls from Spokane Intl. (GEG), you can fly directly into Idaho Falls Regional (IDA) which offers domestic flights and connections. Some flights may connect through major hubs like Portland Intl. (PDX), Boise, ID (BOI), or Seattle - Tacoma Intl. (SEA) before reaching Idaho Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) at the last minute?
Typically, booking a last minute flight from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package?
Securing a Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
If you booked your Spokane, WA (GEG-Spokane Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Spokane Intl.
Destination airport
Idaho Falls Regional
Roundtrip price
CA $944
Distance
620 km

Book with confidence

Spokane to Idaho Falls Flights

The easy way to book your flights from Spokane to Idaho Falls 

With Expedia, it’s simple to find and book flights to Idaho Falls from Spokane whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Idaho Falls Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Spokane to Idaho Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from Spokane Intl., GEG to Idaho Falls Regional, IDA 

Sort your search results by price to find great deals on your flight from Spokane to Idaho Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Idaho Falls from Spokane currently is just CA $944 rising to CA $1,527.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Idaho Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Idaho Falls from Spokane 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Idaho Falls with Expedia today.

Spokane to Idaho Falls Flights

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