$79 Cheap Flights from Spokane (GEG) to Boise (BOI)

View $79 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Spokane International Airport (GEG) to Boise Airport (BOI)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Spokane to Boise (GEG-BOI)

Prices were available within the past 7 days and start at $79 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Aug 30 - Sat, Sep 6
GEG
Spokane
BOI
Boise
$97 Roundtrip, found 4 hours ago
$97
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Spokane to Boise, returning Sat, Sep 6, priced at $97 found 4 hours ago
Delta
Wed, Aug 27 - Sat, Aug 30
GEG
Spokane
BOI
Boise
$117 Roundtrip, found 5 hours ago
$117
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Aug 27 from Spokane to Boise, returning Sat, Aug 30, priced at $117 found 5 hours ago
Hawaiian Airlines
Tue, Sep 2 - Sat, Sep 13
GEG
Spokane
BOI
Boise
$117 Roundtrip, found 1 hour ago
$117
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from Spokane to Boise, returning Sat, Sep 13, priced at $117 found 1 hour ago
Hawaiian Airlines
Tue, Sep 2 - Thu, Sep 11
GEG
Spokane
BOI
Boise
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from Spokane to Boise, returning Thu, Sep 11, priced at $137 found 1 hour ago
Alaska Airlines
Sat, Aug 23 - Tue, Aug 26
GEG
Spokane
BOI
Boise
$144 Roundtrip, found 2 days ago
$144
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 23 from Spokane to Boise, returning Tue, Aug 26, priced at $144 found 2 days ago
Hawaiian Airlines
Tue, Oct 28 - Sun, Nov 9
GEG
Spokane
BOI
Boise
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 28 from Spokane to Boise, returning Sun, Nov 9, priced at $147 found 5 days ago
Delta
Wed, Aug 27 - Sat, Aug 30
GEG
Spokane
BOI
Boise
$149 Roundtrip, found 5 hours ago
$149
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Aug 27 from Spokane to Boise, returning Sat, Aug 30, priced at $149 found 5 hours ago
Alaska Airlines
Sat, Oct 4 - Sun, Oct 5
GEG
Spokane
BOI
Boise
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Spokane to Boise, returning Sun, Oct 5, priced at $158 found 1 day ago
Southwest Airlines
Fri, Aug 22 - Wed, Sep 3
GEG
Spokane
BOI
Boise
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Aug 22 from Spokane to Boise, returning Wed, Sep 3, priced at $164 found 3 days ago
American Airlines
Sat, Oct 11 - Sat, Oct 18
GEG
Spokane
BOI
Boise
$403 Roundtrip, found 15 hours ago
$403
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Oct 11 from Spokane to Boise, returning Sat, Oct 18, priced at $403 found 15 hours ago

Find the cheapest month to fly from Spokane (GEG) to Boise (BOI)

September is typically the cheapest month to fly

From $98 - $292 per traveler.

Graph displaying average flight prices per month

Alternative airports near Boise

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

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $272
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $272
Flights from Spokane (GEG) to Boise (BOI)
Origin airport
Spokane Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$97
Distance
287 mi

Spokane to Boise Flights

The cheapest times to fly from Spokane to Boise

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 Spokane to Boise are during the month of August. You can find some of the cheapest flights from Spokane to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to Boise

Sunday is one of the best days to book for cheap flights from Spokane to Boise: 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 Spokane to Boise

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 Spokane to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 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 Spokane to Boise 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 Spokane to Boise 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.

 

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to Boise Airport (BOI) cost?
Score cheap return fares from Spokane Intl. Airport (GEG) to Boise Airport (BOI) starting at $98. Grab your seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving GEG on August 16 2025 and touching down at BOI. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from GEG to BOI?
The cheapest flights from GEG to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
Fly directly from Spokane Intl. Airport (GEG) to Boise Airport (BOI) on an Alaska Airlines flight.
What is the cheapest airline that flies from GEG to BOI?
At the moment, the cheapest carrier operating one-way flights from GEG to BOI is Alaska Airlines. You can book a seat on this route from $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GEG on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
When jetting out of Spokane Intl. Airport (GEG), you can pick from an average of 3 daily direct flights to Boise Airport (BOI).
What are the most popular departure times for flights from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
The 10 AM departures from GEG to BOI are the most sought after. These flights can come with a higher price due to their popularity. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from GEG to BOI?
Friday offers the most flights from Spokane Intl. Airport (GEG) to Boise Airport (BOI). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
Take the earliest flight at around 6:00AM UTC-8, heading out of Spokane Intl. Airport (GEG). You'll be flying for around 1h 10m, arriving at Boise Airport (BOI) at approximately 8:10AM UTC-7.
How long does it take to fly from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
Flights from GEG to BOI have an average travel time of 1 hour and 5 minutes. The distance between the two airports is 290 mi.
What airline has the least delays from GEG to BOI?
Alaska Airlines has the best track record for on-time direct flights from Spokane Intl. Airport (GEG) to Boise Airport (BOI), with an on-time score of 84%. Use the Expedia App to check your flight schedule before you jet off and get real-time updates about any trip changes.
What is the best time to fly from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
To reach Boise Airport (BOI) on time, select a flight that leaves from Spokane Intl. Airport (GEG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Boise from Spokane Intl. Airport (GEG)?
Boise Airport (BOI) is the only airport in Boise with direct flights from Spokane Intl. Airport (GEG). Check out your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Spokane Intl. Airport (GEG) to Boise Airport (BOI) last-minute?
Booking your flight from GEG to BOI right before your trip is usually more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a GEG to BOI flight and hotel package?
Compared with arranging flights and hotels separately, booking a GEG to BOI flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to Boise Airport (BOI)?
Usually, it's possible to cancel or reschedule your GEG to BOI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.