Cheap Flights from Houston (IAH) to Gustavus (GST)

Popular airlines from George Bush Intercontinental Airport (IAH) to Gustavus, AK (GST)

Cheap Flights from Houston to Gustavus (IAH-GST)

Prices were available within the past 7 days and start at for one-way flights and $1,467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Aug 31 - Wed, Sep 10
IAH
Houston
GST
Gustavus
$1,467 Roundtrip, found 6 days ago
$1,467
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Houston to Gustavus, returning Wed, Sep 10, priced at $1,467 found 6 days ago
Alaska Airlines
Sun, Aug 31 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$1,474 Roundtrip, found 6 days ago
$1,474
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Houston to Gustavus, returning Tue, Sep 9, priced at $1,474 found 6 days ago
Alaska Airlines
Sat, Aug 30 - Wed, Sep 10
IAH
Houston
GST
Gustavus
$1,491 Roundtrip, found 6 days ago
$1,491
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Houston to Gustavus, returning Wed, Sep 10, priced at $1,491 found 6 days ago
Alaska Airlines
Sat, Aug 30 - Thu, Sep 11
IAH
Houston
GST
Gustavus
$1,493 Roundtrip, found 6 days ago
$1,493
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Houston to Gustavus, returning Thu, Sep 11, priced at $1,493 found 6 days ago
Alaska Airlines
Sun, Aug 31 - Thu, Sep 11
IAH
Houston
GST
Gustavus
$1,496 Roundtrip, found 6 days ago
$1,496
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Houston to Gustavus, returning Thu, Sep 11, priced at $1,496 found 6 days ago
Alaska Airlines
Sat, Aug 30 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$1,498 Roundtrip, found 6 days ago
$1,498
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Houston to Gustavus, returning Tue, Sep 9, priced at $1,498 found 6 days ago
Alaska Airlines
Sun, Aug 31 - Fri, Sep 12
IAH
Houston
GST
Gustavus
$1,522 Roundtrip, found 6 days ago
$1,522
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Houston to Gustavus, returning Fri, Sep 12, priced at $1,522 found 6 days ago
Alaska Airlines
Wed, Sep 3 - Wed, Sep 10
IAH
Houston
GST
Gustavus
$1,543 Roundtrip, found 6 days ago
$1,543
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Houston to Gustavus, returning Wed, Sep 10, priced at $1,543 found 6 days ago
Alaska Airlines
Sat, Aug 30 - Fri, Sep 12
IAH
Houston
GST
Gustavus
$1,546 Roundtrip, found 6 days ago
$1,546
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Houston to Gustavus, returning Fri, Sep 12, priced at $1,546 found 6 days ago
Alaska Airlines
Wed, Sep 3 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$1,551 Roundtrip, found 6 days ago
$1,551
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Houston to Gustavus, returning Tue, Sep 9, priced at $1,551 found 6 days ago
Alaska Airlines
Fri, Sep 5 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$1,558 Roundtrip, found 6 days ago
$1,558
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Houston to Gustavus, returning Tue, Sep 9, priced at $1,558 found 6 days ago
Hawaiian Airlines
Wed, Sep 3 - Thu, Sep 11
IAH
Houston
GST
Gustavus
$1,582 Roundtrip, found 6 days ago
$1,582
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 3 from Houston to Gustavus, returning Thu, Sep 11, priced at $1,582 found 6 days ago
Alaska Airlines
Wed, Sep 3 - Fri, Sep 12
IAH
Houston
GST
Gustavus
$1,599 Roundtrip, found 6 days ago
$1,599
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Houston to Gustavus, returning Fri, Sep 12, priced at $1,599 found 6 days ago
Alaska Airlines
Fri, Sep 5 - Fri, Sep 12
IAH
Houston
GST
Gustavus
$1,606 Roundtrip, found 6 days ago
$1,606
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Houston to Gustavus, returning Fri, Sep 12, priced at $1,606 found 6 days ago
Alaska Airlines
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$1,910 Roundtrip, found 6 days ago
$1,910
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 2 from Houston to Gustavus, returning Tue, Sep 9, priced at $1,910 found 6 days ago
Alaska Airlines
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$2,096 Roundtrip, found 6 days ago
$2,096
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 2 from Houston to Gustavus, returning Tue, Sep 9, priced at $2,096 found 6 days ago
Alaska Airlines
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$2,116 Roundtrip, found 6 days ago
$2,116
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 2 from Houston to Gustavus, returning Tue, Sep 9, priced at $2,116 found 6 days ago
Alaska Airlines
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
GST
Gustavus
$2,320 Roundtrip, found 6 days ago
$2,320
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Sep 2 from Houston to Gustavus, returning Tue, Sep 9, priced at $2,320 found 6 days ago
Flights from Houston (IAH) to Gustavus (GST)
Origin airport
George Bush Intercontinental
Destination airport
Gustavus
Roundtrip price
$1,466
Distance
2730 mi

Houston to Gustavus Flights

The cheapest times to fly from Houston to Gustavus

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

 

The best time to book a flight from Houston to Gustavus

Sunday is one of the best days to book for cheap flights from Houston to Gustavus: 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 Houston to Gustavus

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 Houston to Gustavus 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 Houston to Gustavus 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 Houston to Gustavus 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 George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST) cost?
Secure a cheap one-way flight or cheap return flight from $1,467 from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST)?
Planning your trip for August is a great way to save, as it's the cheapest month for flights between IAH and GST. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST)?
To find the cheapest airline flying from IAH to GST, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST)?
You'll have to hop on a flight with a layover when traveling from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from IAH to GST?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST)?
To touch down at Gustavus Airport (GST) on time, book a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST) last-minute?
Booking your ticket from IAH to GST right before your journey is typically more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an IAH to GST flight and hotel package?
Opting for an IAH to GST flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Gustavus Airport (GST)?
You can usually cancel or reschedule your IAH to GST flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.