$272 Flights from Green Bay (GRB) to San Antonio International (SAT)

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Flight deals from Green Bay to San Antonio International

Looking for a cheap last-minute deal or the best round-trip flight from Green Bay to San Antonio International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Green Bay to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Green Bay to San Antonio International flights are currently cheapest in July.

Green Bay to San Antonio International: Alternative routes

Compare routes from Green Bay to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Green Bay to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$272
Cheapest month to flyJuly

Finding cheap flights from Green Bay to San Antonio International: Frequently asked questions

The best price we found for a round-trip flight from Green Bay to San Antonio International is $307. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Green Bay to San Antonio International. But we found flights with one or more stops from $307.
There are no flights flying from Green Bay to San Antonio International, as of January 2026.
The cheapest month to fly from Green Bay to San Antonio International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Green Bay Airport to San Antonio International Airport on Tuesday, January 13, 2026.
No airlines currently offer direct flights between Green Bay Airport and San Antonio International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Antonio International.

Traveling from Austin Straubel International Airport (GRB) to San Antonio International Airport (SAT): what you need to know

  • San Antonio's timezone is UTC-5, which is the same as Green Bay.

  • To ensure you catch your GRB to SAT flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Be prepared for longer lines during popular months like September. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • Consider adding a stopover when booking your ticket from Austin Straubel International Airport to San Antonio International Airport. Just deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between GRB and SAT:

    • Minneapolis-St. Paul International Airport

    • Detroit Metropolitan Wayne County Airport

    • O'Hare International Airport

How to find the cheapest flights from Austin Straubel International Airport (GRB) to San Antonio International Airport (SAT)

  • $272 is the lowest price for a one-way Austin Straubel International Airport to San Antonio International Airport flight. Return flights start at $307. These prices may change based on demand and availability.

  • Don't leave everything to the last moment. You're more likely to get cheap tickets from GRB to SAT if you book ahead. Airlines often offer some fantastic early bird discounts.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price in each month when searching for your flight from Austin Straubel International Airport to San Antonio International Airport.

  • You don't need to check back in every day to see if fares have gone down when you create a Price Alert. We'll update you as soon as there's a better deal on cheap flights from GRB to SAT.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Austin Straubel International Airport to San Antonio International Airport.

Handy information about Austin Straubel International Airport (GRB)

  • GRB is located at 2077 Airport Drive.

  • When it comes to the on-time performance of Austin Straubel International Airport, data shows 74.0% of flights arrive within the scheduled timeframe.

  • To reach Austin Straubel International Airport from central Green Bay, it takes around 15 minutes by car. Of course, this depends on traffic conditions. It's approximately 9 miles from the airport to the city center.

  • Booked an early flight from Austin Straubel International Airport to San Antonio International Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels near GRB:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • SAT is located at 9800 Airport Boulevard.

  • From San Antonio International Airport, San Antonio is approximately 12 miles away. It takes around 20 minutes to reach the center driving.

  • If you're traveling by public transport, expect a journey of roughly 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • The quietest month for a flight from Austin Straubel International Airport to San Antonio International Airport is April, while July is the busiest. Choose the best time to go to San Antonio based on whether you prefer a more fast-paced or easygoing experience.

  • Before locking in your flight from Austin Straubel International Airport to San Antonio International Airport, think about the kind of weather you enjoy. August is the warmest month in San Antonio, with temperatures ranging from 73ºF to 104ºF.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from GRB to SAT in January. Temperatures average between 37ºF and 68ºF then.

Explore more of United States

  • You've visited San Antonio, now it's time to explore other corners of United States. Travel around 190 miles east to Houston to check off its popular sights. From The Houston Museum of Natural Science to The Museum of Fine Arts, Houston, Beck Building and Hermann Park, you've got a jam-packed schedule ahead.

  • Dallas is another well-known destination in United States and is around 250 miles north-east of San Antonio. No journey is complete without experiencing Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.