Cheap Flights from San Antonio (SAT) to Shannon (SNN)

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Antonio International to Shannon flight deals

      Find the cheapest month or even day of the year to fly to Shannon

      Book the best Shannon fare with no extra fees

      Flight deals from San Antonio International to Shannon

      Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to Shannon Airport? If you want to travel next month, return fares start from $1,178. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from San Antonio International to Shannon

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

      San Antonio International to Shannon: Alternative routes

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

      San Antonio to Shannon: Flight information

      The things to know before you go.
      Cheapest flight found$1,012
      Cheapest month to flyApril

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

      The best price we found for a return flight from San Antonio International to Shannon is $1,008. 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 San Antonio International to Shannon. But we found flights with one or more stops from $1,008.
      As of August 2026, there are no flights flying from San Antonio International to Shannon.
      The cheapest month to fly from San Antonio International to Shannon is usually April.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Shannon Airport on Wednesday, 28 April 2027.
      No airlines currently offer direct flights between San Antonio International Airport and Shannon 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 Shannon 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 Shannon is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United offers the cheapest flight tickets to Shannon.

      Flying from San Antonio International Airport (SAT) to Shannon Airport (SNN): what you need to know

      • The timezone in Shannon is UTC+0, which is six hours ahead of San Antonio.

      • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your SAT to SNN flight.

      • Flying during a peak month like July? Major public holidays and other popular seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • We make it a breeze to book a flight with a stopover. To see all your options for tickets from San Antonio International Airport to Shannon Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Popular stopovers between SAT and SNN include:

        • Chicago O'Hare International Airport

        • New York John F. Kennedy Airport

        • New York Newark Airport

      Handy information about San Antonio International Airport (SAT)

      • The address for SAT is 9800 Airport Boulevard.

      • 82% of flights departing from San Antonio International Airport arrive at their destination as planned. Given its impressive on-time stats, disruptions are unlikely when taking off from SAT.

      • To get to San Antonio International Airport from central San Antonio, it takes about 20 minutes by car. This depends on traffic though. It's approximately 14 kilometres from the airport to the city centre.

      • Expect a journey time of around 50 minutes when using public transport.

      • Get your holiday off to a relaxed start by staying near SAT. Whether you've booked an early flight from San Antonio International Airport to Shannon Airport or just don't like being rushed, these stays are ideal:

      Arriving at Shannon Airport (SNN)

      Getting from Shannon Airport (SNN) to central Shannon

      • Shannon Airport to the centre of Shannon has a drive time of about 5 minutes. It's approximately 3 kilometres away.

      • It takes roughly 15 minutes if you're travelling by public transport.

      When to fly to Shannon Airport (SNN)

      • The quietest month for a flight from San Antonio International Airport to Shannon Airport is February, while June is the busiest. Pick the best time to go to Shannon based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • When booking your flight from San Antonio International Airport to Shannon Airport, think about the kind of weather you like. July is the warmest month in Shannon, with temperatures ranging from 9ºC (48ºF) to 22ºC (72ºF).

      • Search for cheap tickets from SAT to SNN in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      Explore more of Ireland

      • Dublin is just one of the many cities in Ireland waiting to be explored after you've seen Shannon. Around 193 kilometres away to the north-east, top sights here include Guinness Storehouse, Trinity College Library and St. Patrick's Cathedral.

      • Around 97 kilometres south of Shannon, Cork is another favourite stop in Ireland. Experience major highlights starting with Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.