Cheap flights from San Antonio to Boston

Flights overview

Useful information for finding cheap flights from San Antonio to Boston and booking your next trip
Cheapest round-trip flights $241
Frontier 1 stop 7 hr Mon, Apr 6 — Mon, Apr 13
The cheapest round-trip flight from San Antonio to Boston is currently $241
Cheapest one-way flight $95
Frontier 1 stop 7 hr Mon, Apr 13
The cheapest one-way flight from San Antonio to Boston is currently $95
Cheapest nonstop flights $368
Delta Nonstop 5 hr Fri, May 29 — Thu, Jun 4
The cheapest nonstop round-trip flight from San Antonio to Boston is currently $368
Last-minute weekend getaway $705
United 1 stop 12 hr Sat, Mar 14 — Mon, Mar 16
The cheapest last-minute weekend getaway from San Antonio to Boston is currently $705
Cheapest business class flights $434
Frontier 1 stop 23 hr Fri, May 8 — Sat, May 16
The cheapest business class round-trip flight from San Antonio to Boston is currently $434
Fastest flight 4 hr The fastest nonstop flight from San Antonio to Boston takes 4 hr
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Antonio to Boston is typically January. The most expensive month to fly is typically December.
January
Cheapest
Typical prices: $175–340
December
Most expensive
Typical prices: $270–485

Popular airlines from San Antonio to Boston

  • Delta
    Nonstop
    from $319
    Typical price: $285–620
    7 weekly nonstop flights
    SAT - BOS Every day
    416 weekly connecting flights
    SAT - BOS Every day
  • American
    from $295
    Typical price: $295–550
    613 weekly connecting flights
    SAT - BOS Every day
  • Southwest
    from $339
    Typical price: $295–520
    326 weekly connecting flights
    SAT - BOS Every day
  • United
    from $334
    Typical price: $295–580
    314 weekly connecting flights
    SAT - BOS Every day
  • Spirit
    from $340
    Typical price: $235–510
    20 weekly connecting flights
    SAT - BOS Every day
  • Frontier
    from $190
    Typical price: $230–640
    17 weekly connecting flights
    SAT - BOS Every Mon, Tue, Thu, Fri, Sat, Sun

Popular airports near San Antonio

  • San Antonio International Airport (SAT)
    San Antonio United States 19 min 7 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 1 hr 22 min 72 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 3 hr 10 min 193 mi
  • William P. Hobby Airport (HOU)
    Houston United States 3 hr 15 min 193 mi

Popular airports near Boston

  • Boston Logan International Airport (BOS)
    Boston United States 12 min 2 mi
  • John F. Kennedy International Airport (JFK)
    New York United States 3 hr 37 min 184 mi
  • LaGuardia Airport (LGA)
    New York United States 3 hr 25 min 181 mi
  • Rhode Island T.F. Green International Airport (PVD)
    Providence United States 1 hr 7 min 47 mi

Frequently asked questions about flying from San Antonio to Boston

The cheapest flights from San Antonio to Boston are usually in January. Typical ticket prices in January range from $175 to $340.
The cheapest round-trip flight from San Antonio to Boston recently found on Google Flights was with Frontier from $241. The cheapest one-way flight was with Frontier from $95.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from San Antonio to Boston is $319, flying from May 2 to May 8.
  • The cheapest American flight from San Antonio to Boston is $295, flying from Apr 20 to Apr 27.
  • The cheapest Southwest flight from San Antonio to Boston is $339, flying from May 7 to May 13.
  • The cheapest United flight from San Antonio to Boston is $334, flying from May 7 to May 13.
  • The cheapest Spirit flight from San Antonio to Boston is $340, flying from Apr 9 to Apr 15.
  • The cheapest Frontier flight from San Antonio to Boston is $190, flying from May 8 to May 16.
The cheapest round-trip flight from San Antonio to Boston starts at $241 from Mon, Apr 6 to Mon, Apr 13. The cheapest one-way flight starts at $95 and departs on Mon, Apr 13.
4 hr is the shortest flight time from San Antonio to Boston.
Boston is a year-round destination with a 4-season climate. Spring and fall feature generally mild weather, although snow sometimes falls in early spring (Apr). Summer can be humid. Foliage season (mid-Sep–Nov) attracts the largest crowds. Patriots Day (3rd Mon of Apr) commemorates the start of the Revolutionary War and coincides with the famed Boston Marathon. Summer festivals include Boston Harborfest, the city’s weeklong 4th of July party, and Italian-American celebrations in the North End (late Jul–Aug).
It's easy to use Google Flights to find the cheapest days to fly from San Antonio to Boston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from San Antonio to Boston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Antonio to Boston.

In terms of nonstop flights, Delta is the most popular. Delta offers 7 nonstop flights and 416 connecting flights per week. Delta flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .

In terms of flights, American is the most popular. American offers 613 connecting flights per week. American flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .

Other popular airlines flying from San Antonio to Boston are:
  • Southwest offers 326 connecting flights per week. Southwest flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .
  • United offers 314 connecting flights per week. United flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .
  • Spirit offers 20 connecting flights per week. Spirit flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .
  • Frontier offers 17 connecting flights per week. Frontier flies from San Antonio International Airport (SAT) to Boston Logan International Airport (BOS) .
The number of connecting flights refers to distinct flights with at least one stop between San Antonio and Boston.
The cheapest round-trip flight from San Antonio to Boston recently found on Google Flights was with Frontier from $241. The cheapest one-way flight was with Frontier from $95.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Delta flight from San Antonio to Boston is $319, flying from May 2 to May 8.
  • The cheapest American flight from San Antonio to Boston is $295, flying from Apr 20 to Apr 27.
  • The cheapest Southwest flight from San Antonio to Boston is $339, flying from May 7 to May 13.
  • The cheapest United flight from San Antonio to Boston is $334, flying from May 7 to May 13.
  • The cheapest Spirit flight from San Antonio to Boston is $340, flying from Apr 9 to Apr 15.
  • The cheapest Frontier flight from San Antonio to Boston is $190, flying from May 8 to May 16.
Delta flies direct from San Antonio to Boston.
  • There are 7 Delta direct flights from San Antonio to Boston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Antonio and Boston at price $705 is offered by United from Sat, Mar 14 to Mon, Mar 16.
Delta flies direct from San Antonio to Boston.
  • There are 7 Delta direct flights from San Antonio to Boston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Antonio to Boston on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Antonio and Boston start at $368 from Fri, May 29 to Thu, Jun 4 with Delta.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Antonio to Boston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between San Antonio and Boston start at $434 from Fri, May 8 to Sat, May 16 with Frontier.
The cheapest economy class round-trip flights between San Antonio and Boston start at $241 from Mon, Apr 6 to Mon, Apr 13.
To book business class trips from San Antonio to Boston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between San Antonio and Boston starts at $705 from Sat, Mar 14 to Mon, Mar 16 with United.
The cheapest last-minute deal between San Antonio and Boston at price $705 is offered by United from Sat, Mar 14 to Mon, Mar 16.
To find last-minute flight deals from San Antonio to Boston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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