Cheap flights from Harrisburg International to San Antonio International

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Flight deals from Harrisburg International to San Antonio International

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

The cheapest month to fly from Harrisburg International Airport to San Antonio International Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Harrisburg International Airport to San Antonio International Airport flight prices forecast over the next 12 months.

Harrisburg International to San Antonio International: Alternative routes

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

Harrisburg to San Antonio: Flight information

The things to know before you go.
Cheapest flight foundC$359
Cheapest month to flyJuly

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

The best price we found for a round-trip flight from Harrisburg International to San Antonio International is C$359. 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 Harrisburg International to San Antonio International. But we found flights with one or more stops from C$359.
There are no flights flying from Harrisburg International to San Antonio International, as of June 2025.
The cheapest month to fly from Harrisburg International to San Antonio International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harrisburg International Airport to San Antonio International Airport on Tuesday, July 1, 2025.
No airlines currently offer direct flights between Harrisburg International 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.

Flying from Harrisburg International Airport (MDT) to San Antonio International Airport (SAT): what you need to know

  • San Antonio's timezone is UTC-5, making San Antonio one hour behind Harrisburg.

  • To ensure you catch your MDT to SAT flight, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Harrisburg International Airport to San Antonio International Airport. These are the top stopovers between MDT and SAT:

    • Hartsfield-Jackson Atlanta International Airport

    • Dallas/Fort Worth International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Harrisburg International Airport (MDT) to San Antonio International Airport (SAT)

  • C$210 is currently the best price for a one-way Harrisburg International Airport to San Antonio International Airport flight. Return flights start from C$359. These prices may change based on availability.

  • Don't wait until the last moment. You're more likely to find cheap tickets from MDT to SAT if you book in advance. Airlines often offer some great early bird deals.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll find the lowest price across the month when looking for your flight from Harrisburg International Airport to San Antonio International Airport.

  • Cut down on the time spent looking for cheap flights from MDT to SAT by setting up a Price Alert. You'll get an email or notification on the app when fares go down.

  • Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Harrisburg International Airport to San Antonio International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Harrisburg International Airport (MDT)

  • You'll find MDT at One Terminal Drive.

  • 77.41% of flights that leave from Harrisburg International Airport touch down at their destination on schedule.

  • Harrisburg International Airport is about 19 kilometres from central Harrisburg. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Catching public transport? Expect a journey time of around 40 minutes.

  • Searching for a convenient hotel near MDT? If you're boarding an early flight from Harrisburg International Airport to San Antonio International Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at San Antonio International Airport (SAT)

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

  • You'll find SAT at 9800 Airport Boulevard.

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

  • Getting there on public transport takes around 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • July is the most popular month for flights from Harrisburg International Airport to San Antonio International Airport. For smaller crowds, visit San Antonio in April.

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

  • Search for cheap tickets from MDT to SAT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 20ºC (68ºF) on average.

Explore more of United States

  • Houston is just one of the many places in United States waiting to be discovered after you've experienced San Antonio. Around 306 kilometres away to the east, its top attractions include The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • Around 402 kilometres north-east of San Antonio, Dallas is another essential stop in United States. Experience major highlights starting with 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.