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178 € Cheap Flights from Boston Logan International to San Antonio International

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

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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 to San Antonio International? Find the lowest prices on one-way and return tickets right here.
San Antonio.178 € per passenger.Departing Tue, 11 Nov, returning Wed, 12 Nov.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Tue, 11 Nov, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departs from San Antonio International on Wed, 12 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 178 €, select.
San Antonio.187 € per passenger.Departing Thu, 23 Oct, returning Tue, 11 Nov.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Thu, 23 Oct, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departs from San Antonio International on Tue, 11 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 187 €, select.
San Antonio.190 € per passenger.Departing Sat, 6 Dec, returning Sat, 13 Dec.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 6 Dec, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departs from San Antonio International on Sat, 13 Dec, arriving in Boston Logan International.Price includes taxes and charges.From 190 €, select.
San Antonio.213 € per passenger.Departing Fri, 19 Sep, returning Mon, 22 Sep.Return flight with Spirit Airlines and Frontier Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Fri, 19 Sep, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Mon, 22 Sep, arriving in Boston Logan International.Price includes taxes and charges.From 213 €, select.
San Antonio.222 € per passenger.Departing Fri, 6 Mar, returning Wed, 11 Mar.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Fri, 6 Mar, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Wed, 11 Mar, arriving in Boston Logan International.Price includes taxes and charges.From 222 €, select.
San Antonio.227 € per passenger.Departing Sat, 11 Oct, returning Mon, 13 Oct.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 11 Oct, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departs from San Antonio International on Mon, 13 Oct, arriving in Boston Logan International.Price includes taxes and charges.From 227 €, select.
San Antonio.238 € per passenger.Departing Sat, 27 Sep, returning Sat, 4 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 27 Sep, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Sat, 4 Oct, arriving in Boston Logan International.Price includes taxes and charges.From 238 €, select.
San Antonio.238 € per passenger.Departing Sat, 1 Nov, returning Sat, 15 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Sat, 1 Nov, arriving in San Antonio International.Inbound direct flight with Delta departs from San Antonio International on Sat, 15 Nov, arriving in Boston Logan International.Price includes taxes and charges.From 238 €, select.

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.
Aug
from 438 €
Sep
from 213 €
Oct
from 227 €
Nov
from 178 €
Dec
from 190 €
Jan
from 279 €
Feb
from 308 €
Mar
from 222 €
Apr
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May
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Jun
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Jul
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Direct flights from Boston Logan International to San Antonio International

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.

Boston to San Antonio: Flight information

The things to know before you go.
Cheapest flight found178 €
Cheapest month to flyNovember
Average flight time4 hrs, 42 mins
Most popular airlineDelta
Average flights per week10

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 178 €. 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 42 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 August 2025, there are 10 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 November.
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 Tuesday, 11 November 2025.
Yes – the average flight time is 4 hours and 42 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, Spirit Airlines and Delta offer the cheapest flight tickets to San Antonio International.

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

  • Around 5 hours is how long you can expect to be travelling on a direct flight from Logan International Airport to San Antonio International Airport.

  • The timezone in San Antonio is UTC-5, which is one hour behind Boston.

  • You can choose from six weekly Logan International Airport to San Antonio International Airport flights. The 07:20 departure with JetBlue Airways is the earliest you can take. JetBlue Airways operates the last service of the day at 13:50.

  • Give yourself enough time to catch your BOS to SAT flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, it's best to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.

  • JetBlue Airways offers direct flights from Logan International Airport to San Antonio International Airport. Book with this popular airline, then get ready to check out the sights in San Antonio — and maybe even more of United States if time allows.

  • The airline with the highest booking volume on this route is JetBlue Airways.

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

    • Nashville International Airport

    • Lambert-St. Louis International Airport

    • Hartsfield-Jackson Atlanta International Airport

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

  • At the moment, 86 € is the lowest price we've seen for a one-way Logan International Airport to San Antonio International Airport flight. The best price for a return ticket is 178 €. Keep in mind that fares may change due to demand when booking.

  • Book six months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from BOS to SAT.

  • Plan your trip for May. That's the cheapest month for flights from Logan International Airport to San Antonio International Airport. If your travel dates are flexible, try out the 'Whole month' tool to find the cheapest airfare across each month.

  • Stay on top of deals for cheap flights from BOS to SAT by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

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

Handy information about Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to the on-time performance of Logan International Airport, 73.94% of flights stick to their scheduled arrival time.

  • Central Boston to Logan International Airport is approximately 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Taking public transport? You can expect a journey time of around 25 minutes.

  • Looking for a convenient hotel near BOS? If you've booked an early flight from Logan International Airport to San Antonio International Airport, these stays will have you moments from check-in:

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 is roughly 19 kilometres from central San Antonio. The drive time takes about 20 minutes.

  • It typically takes 1 hour 30 minutes if you're using public transport.

When to fly to San Antonio International Airport (SAT)

  • It's time to pick your trip dates for your flight from Logan International Airport to San Antonio International Airport. July is the busiest month to head to San Antonio. If you want a more relaxed vibe, go in April.

  • The warmest month in San Antonio is August, with the temperature ranging between 23ºC (73ºF) and 40ºC (104ºF). Book your flights from Logan International Airport to San Antonio International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 3ºC (37ºF) and 20ºC (68ºF). Search for cheap tickets from BOS to SAT sometime around then if you like cooler conditions.

Explore more of United States

  • Houston is just one of the many cities in United States waiting to be discovered once you've seen the sights of 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.

  • Dallas is another standout destination in United States and is around 402 kilometres north-east of San Antonio. No journey is complete without visiting Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

More travel options

Plan the rest of your trip from Boston to San Antonio

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