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231 € Cheap Flights from Boston Logan International to San Antonio International

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      Travellers and cabin class, 1 Adult, Economy
      Delta
      EL AL Israel Airlines

      Compare Boston Logan International to San Antonio International flight deals

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

      Book the best San Antonio International fare with no extra fees

      Flight deals from Boston Logan International to San Antonio International

      Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to San Antonio International Airport? If you want to travel next month, return fares start from 248 €. Find the lowest prices on one-way and return tickets right here.
      San Antonio.231 € per passenger.Departing Wed, 11 Nov, returning Sat, 14 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 11 Nov, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Sat, 14 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 231 €, select.
      San Antonio.231 € per passenger.Departing Fri, 8 Jan, returning Fri, 22 Jan.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 8 Jan, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Fri, 22 Jan, arriving in Boston Logan International.Price includes taxes and charges.From 231 €, select.
      San Antonio.231 € per passenger.Departing Fri, 5 Mar, returning Mon, 15 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Fri, 5 Mar, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Mon, 15 Mar, arriving in Boston Logan International.Price includes taxes and charges.From 231 €, select.
      San Antonio.232 € per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 17 Feb, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Wed, 24 Feb, arriving in Boston Logan International.Price includes taxes and charges.From 232 €, select.
      San Antonio.239 € per passenger.Departing Fri, 11 Dec, returning Fri, 25 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Fri, 11 Dec, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 25 Dec, arriving in Boston Logan International.Price includes taxes and charges.From 239 €, select.
      San Antonio.239 € per passenger.Departing Fri, 11 Jun, returning Fri, 25 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Fri, 11 Jun, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 25 Jun, arriving in Boston Logan International.Price includes taxes and charges.From 239 €, select.
      San Antonio.240 € per passenger.Departing Fri, 2 Jul, returning Fri, 9 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Fri, 2 Jul, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 9 Jul, arriving in Boston Logan International.Price includes taxes and charges.From 240 €, select.
      San Antonio.248 € per passenger.Departing Sat, 24 Oct, returning Sat, 31 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Sat, 24 Oct, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Sat, 31 Oct, arriving in Boston Logan International.Price includes taxes and charges.From 248 €, select.
      San Antonio.248 € per passenger.Departing Thu, 29 Oct, returning Sat, 7 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 29 Oct, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Sat, 7 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 248 €, select.
      San Antonio.248 € per passenger.Departing Fri, 30 Oct, returning Sun, 1 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Fri, 30 Oct, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Sun, 1 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 248 €, select.
      San Antonio.248 € per passenger.Departing Fri, 14 May, returning Fri, 28 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Boston Logan International on Fri, 14 May, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Fri, 28 May, arriving in Boston Logan International.Price includes taxes and charges.From 248 €, select.
      San Antonio.248 € per passenger.Departing Fri, 20 Nov, returning Wed, 6 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Fri, 20 Nov, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Wed, 6 Jan, arriving in Boston Logan International.Price includes taxes and charges.From 248 €, select.
      San Antonio.249 € per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Thu, 10 Dec, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Thu, 17 Dec, arriving in Boston Logan International.Price includes taxes and charges.From 249 €, select.
      San Antonio.264 € per passenger.Departing Mon, 21 Dec, returning Wed, 6 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Mon, 21 Dec, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Wed, 6 Jan, arriving in Boston Logan International.Price includes taxes and charges.From 264 €, select.
      San Antonio.265 € per passenger.Departing Tue, 17 Nov, returning Tue, 1 Dec.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Tue, 17 Nov, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Tue, 1 Dec, arriving in Boston Logan International.Price includes taxes and charges.From 265 €, select.
      San Antonio.295 € per passenger.Departing Tue, 29 Sep, returning Sat, 3 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 29 Sep, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Sat, 3 Oct, arriving in Boston Logan International.Price includes taxes and charges.From 295 €, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Boston Logan International to San Antonio International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Boston Logan International to San Antonio International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to San Antonio International flights are currently cheapest in November.
      Sep
      from 300 €
      Oct
      from 248 €
      Nov
      from 231 €
      Dec
      from 239 €
      Jan
      from 231 €
      Feb
      from 232 €
      Mar
      from 231 €
      Apr
      from 321 €
      May
      from 248 €
      Jun
      from 239 €
      Jul
      from 240 €
      Aug
      Find prices

      Direct flights from Boston Logan International to San Antonio International

      Delta
      EL AL Israel Airlines

      Boston Logan International to San Antonio International: Alternative routes

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

      San Antonio International

      13km from central San Antonio
      ClosestCheapest
      from 231 €
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      Boston to San Antonio: Flight information

      The things to know before you go.
      Cheapest flight found231 €
      Cheapest month to flyMarch
      Average flight time4 hrs, 46 mins
      Most popular airlineDelta
      Average flights per week12

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

      The best price we found for a return flight from Boston Logan International to San Antonio International is 231 €. 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.
      4 hours and 46 minutes is the average flight time from Boston Logan International to San Antonio International.
      Delta and EL AL Israel Airlines fly direct from Boston Logan International to San Antonio International.
      As of September 2026, there are 12 flights per week flying from Boston Logan International to San Antonio International.
      The cheapest month to fly from Boston Logan International to San Antonio International is usually March.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to San Antonio International Airport on Friday, 5 March 2027.
      Yes – the average flight time is 4 hours and 46 minutes.
      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, Delta offers the cheapest flight tickets to San Antonio International.

      Flying from Boston Logan International Airport (BOS) to San Antonio International Airport (SAT): what you need to know

      • Take a direct flight from Boston Logan International Airport to San Antonio International Airport and you'll be travelling for an average of 4 hours 45 minutes.

      • San Antonio is one hour behind Boston and follows the UTC-6 timezone.

      • Flights from BOS to SAT start at 09:15 — the earliest with Delta Air Lines. The last service of the day is at 13:20 with Delta Air Lines. In total, you can choose from seven weekly Boston Logan International Airport to San Antonio International Airport flights.

      • Your BOS to SAT flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a peak period in general.

      • Delta is your gateway to discovering San Antonio (and maybe even some other exciting corners of the United States!). Check out the direct flights from Boston Logan International Airport to San Antonio International Airport offered by this carrier.

      • The airline with the highest number of bookings on this route is Delta.

      • Delta is the most punctual carrier that operates BOS to SAT flights, with 75.28% of its services landing on time.

      • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Boston Logan International Airport to San Antonio International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Worthwhile stopovers between BOS and SAT include:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • Nashville Airport

      How to find the cheapest flights from Boston Logan International Airport (BOS) to San Antonio International Airport (SAT)

      • Right now, 121 € is the cheapest price we've found for a one-way Boston Logan International Airport to San Antonio International Airport flight. The best price for a return plane ticket is 231 €. Remember that fares could change due to demand at the time of booking.

      • It's usually best to book as early as possible if you want to find cheap tickets from BOS to SAT. That's because flight prices are based on demand, which tends to increase closer to departure.

      • Schedule your trip for May. That's the cheapest month for flights from Boston Logan International Airport to San Antonio International Airport. If you're flexible with your dates, try out the 'Whole month' tool to see the lowest price across each month.

      • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a change in price on cheap flights from BOS to SAT.

      • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Boston Logan International Airport to San Antonio International Airport.

      Handy information about Boston Logan International Airport (BOS)

      • BOS's address is One Harborside Drive.

      • When it comes to the on-time performance of Boston Logan International Airport, 75% of flights arrive within the scheduled timeframe.

      • To reach Boston Logan International Airport from central Boston, it takes about 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

      • Taking public transport? Expect a trip time of around 25 minutes.

      • Catching an early flight from Boston Logan International Airport to San Antonio International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by picking one of these stays close to BOS:

      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.

      • San Antonio International Airport to the centre of San Antonio has a drive time of about 20 minutes. It's approximately 14 kilometres away.

      • Travelling to the centre on public transport will take you roughly 50 minutes.

      When to fly to San Antonio International Airport (SAT)

      • It's time to work out your dates for your flight from Boston Logan International Airport to San Antonio International Airport. July is the busiest month to visit San Antonio. If you like a more relaxed vibe, go in March.

      • The warmest month in San Antonio is August, with the temperature ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your flights from Boston Logan International Airport to San Antonio International Airport in this month if this is the type of weather you enjoy.

      • If you like travelling in cooler conditions, search for a cheap ticket from BOS to SAT in January. Temperatures average between 4ºC (39ºF) and 20ºC (68ºF) then.

      Explore more of the United States

      • You've visited San Antonio, now it's time to explore other parts of the United States. Travel about 306 kilometres east to Houston to tick off its leading attractions. From The Museum of Fine Arts, Houston, Beck Building to Houston Museum of Natural Science and The Menil Collection, you'll have a full itinerary ahead.

      • If you're eager to discover another great destination in the United States, consider Dallas, roughly 402 kilometres north-east of San Antonio. Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art are key reasons to visit.

      More travel options

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