Cheap flights from Grand Rapids to San Antonio International

Compare Grand Rapids to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

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Flight deals from Grand Rapids to San Antonio International

Looking for a cheap last-minute deal or the best round-trip flight from Grand Rapids Airport to San Antonio International Airport? If you want to travel next month, round-trip fares start from $321. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Grand Rapids to San Antonio International

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

Grand Rapids to San Antonio International: Alternative routes

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

Grand Rapids to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$320
Cheapest month to flyAugust

Finding cheap flights from Grand Rapids to San Antonio International: Frequently asked questions

The best price we found for a round-trip flight from Grand Rapids to San Antonio International is $320. 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 Grand Rapids to San Antonio International. But we found flights with one or more stops from $320.
There are no flights flying from Grand Rapids to San Antonio International, as of May 2026.
The cheapest month to fly from Grand Rapids to San Antonio International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Grand Rapids Airport to San Antonio International Airport on Thursday, August 20, 2026.
No airlines currently offer direct flights between Grand Rapids 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 Gerald R. Ford International Airport (GRR) to San Antonio International Airport (SAT): what you need to know

  • San Antonio is one hour behind Grand Rapids and is in the UTC-5 timezone.

  • Leave plenty of time to make your GRR to SAT flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • Think about adding a stopover when booking your ticket from Gerald R. Ford International Airport to San Antonio International Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between GRR and SAT:

    • Chicago Midway International Airport

    • Dallas/Fort Worth International Airport

    • O'Hare International Airport

How to find the cheapest flights from Gerald R. Ford International Airport (GRR) to San Antonio International Airport (SAT)

  • $131 is currently the best price for a one-way Gerald R. Ford International Airport to San Antonio International Airport flight. A return flight starts at $320. These prices can change based on availability and demand.

  • It's usually best to book early if you're hoping to get cheap tickets from GRR to SAT. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Gerald R. Ford International Airport to San Antonio International Airport across every month. It's an easy way to snap up a bargain if your travel plans aren't set in stone.

  • Never miss a deal on cheap flights from GRR to SAT by creating a Price Alert. You'll get an email or notification through the app when a special offer becomes available.

  • Tailor your trip using filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Gerald R. Ford International Airport to San Antonio International Airport.

Handy information about Gerald R. Ford International Airport (GRR)

  • The address for GRR is 5500 44th Street Southeast.

  • 72.98% of flights departing from Gerald R. Ford International Airport arrive at their destination on time.

  • Central Grand Rapids to Gerald R. Ford International Airport is approximately 23 kilometers. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • The journey on public transport typically takes 1 hour 15 minutes.

  • Booked an early flight from Gerald R. Ford International Airport to San Antonio International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these stays close to GRR:

Arriving at San Antonio International Airport (SAT)

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

  • The address for SAT is 9800 Airport Boulevard.

  • From San Antonio International Airport, San Antonio is approximately 19 kilometers away. It takes around 20 minutes to drive to the center.

  • If you're using public transport, expect a journey of around 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • The quietest month for a flight from Gerald R. Ford International Airport to San Antonio International Airport is April, while July is the most popular. Choose the best time to visit San Antonio based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Gerald R. Ford International Airport to San Antonio International Airport, think about the kind of weather you like. August is the warmest month in San Antonio, with temperatures ranging from 23ºC (73ºF) to 40ºC (104ºF).

  • January sees average temperatures of between 3ºC (37ºF) and 20ºC (68ºF). Look for cheap tickets from GRR to SAT sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • San Antonio has its own special appeal, but there are so many other corners of United States you'll want to see. About 306 kilometers east of San Antonio, a visit to Houston will keep your itinerary busy. Don't miss top attractions like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • Dallas is another essential stop in United States and is around 402 kilometers north-east of San Antonio. No journey is complete without dropping by 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.