Cheap Flights from Boise (BOI) to Galveston (GLS)

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Find available prices by choosing your travel dates.
Flights from Boise (BOI) to Galveston (GLS)
Origin airport
Boise
Destination airport
Scholes Intl.
Distance
1536 mi

Boise to Galveston Flights

The cheapest times to fly from Boise to Galveston

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

The best time to book a flight from Boise to Galveston

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

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

Is it cheaper to buy a plane ticket from Boise Airport to GLS last minute?
When it comes to booking your flights, being prepared pays off. While it’s possible to pick up a deal on a BOI to GLS flight at the last minute, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it’s three to four months.
What airports do you fly into for Galveston from Boise?
With Galveston, TX (GLS-Scholes Intl.), Ellington Field Airport (EFD) and William P. Hobby Airport (HOU) to choose from, making your way from Boise to Galveston is a snap. The city’s busiest terminal, Galveston, TX (GLS-Scholes Intl.), is roughly 4 mi southwest of the downtown area. Along with the price of tickets, consider factors like train or bus options from the airport and the distance to your hotel when deciding where to land. Get your Galveston adventure off to an exciting start by visiting Galveston Schlitterbahn Waterpark and Moody Gardens.
Can I change the date of my flight from Boise Airport to GLS?
You can quickly and easily make changes to your Boise Airport (BOI) to GLS trip through the Expedia Trips portal. But before doing so, check out the ticket rules in your itinerary to learn what the airline will let you do and if charges apply. Some carriers have a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also head to our Customer Service portal for further details and to connect with our Virtual Agent.

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