Cheap Flights from Boston to San Antonio
Browse current best options from Boston. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Boston
RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Boston to San Antonio
Explore current cheapest deals departing from Boston to San Antonio
Round trip
Sort by: Cheapest
September 16 - September 19
BOS - San Antonio
$322
$233
Round trip
July 20 - July 27
BOS - San Antonio
$255
$239
Round trip
September 17 - September 21
BOS - San Antonio
$236
$239
Round trip
November 11 - November 14
BOS - San Antonio
$282
$239
Round trip
July 11 - July 18
BOS - San Antonio
$261
$240
Round trip
September 4 - September 5
BOS - San Antonio
$230
$240
Round trip
November 20 - November 26
BOS - San Antonio
$277
$240
Round trip
November 19 - November 26
BOS - San Antonio
$277
$240
Round trip
July 13 - July 18
BOS - San Antonio
$336
$249
Round trip
July 22 - July 29
BOS - San Antonio
$322
$249
Round trip
Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
How much is a round trip from Boston to San Antonio
Regular price: $263 - $519
Prices for flights from Boston to San Antonio are currently below the regular range.
The regular price range for flights from Boston to San Antonio is typically between $263 and $519. The current lowest deal is $233 with Southwest Airlines, for travel from Sep 16 to Sep 19.
now $233
Low $263
High $519
The cheapest time to fly from Boston to San Antonio
The cheapest month to fly from Boston to San Antonio is January, with a median price of $259. The most expensive month is May, with a median price of $308. Prices are generally lower from January to July.
January
Flights from $259
May
Flights from $308
Direct flights from Boston to San Antonio
Deutsche Luft Hansa
Last-minute flights going from Boston to San Antonio
Sat, Jun 20
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$509
$510
One-way
Sat, Jun 20
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$510
$510
One-way
Fri, Jun 26
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$415
$410
One-way
Fri, Jul 3
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$343
$311
One-way
Tue, Jul 7
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$336
$318
One-way
Wed, Jul 8
BOS - San Antonio
Boston (BOS) - San Antonio (SAT)
Deutsche Luft Hansa
$343
$280
One-way
Biggest price drops on these dates for flights from Boston to San Antonio
Dec 10 - Dec 24
$397 → $259
35%
Dec 2 - Dec 16
$394 → $259
34%
Oct 24 - Oct 26
$382 → $249
35%
Oct 21 - Oct 26
$373 → $249
33%
Popular Airports to fly from Boston to San Antonio
Boston - San Antonio route insights
💸 Price insights
Recent fares are below the typical level
Recent fares from Boston to San Antonio are currently around $233, which is below the typical level.
📅 Best time to fly
January and July are historically cheapest
Historically, January and July offer the lowest median prices at $259 for flights to San Antonio.
⏱️ Flight duration
Connecting flights take 6h 29m on average
Flights from Boston to San Antonio typically involve one stop, with a median duration of 6h 29m.
✈️ Airlines & availability
Connecting flights are dominant on this route
There are no direct flights available; all deals for this route include at least one stopover.
🏆 Airline highlight
Deutsche Luft Hansa offers connecting flights
Deutsche Luft Hansa is one airline offering connecting flights from Boston to San Antonio.
🎯 Booking tip
Deals for this route are rare
Deals for flights from Boston to San Antonio are rare, appearing on average 0.03 times per day.
Boston main airports to depart from
Logan International (BOS)
Logan International Airport is a great option for flights from Boston to San Antonio.
📍 ~5 km from Boston city center (reachable by car or public transport)
💸 Flights from ~$233
San Antonio main airports to arrive at
San Antonio International (SAT)
San Antonio International Airport is the primary airport for flights arriving in San Antonio.
📍 ~14 km from city center (reachable by car)
💸 Flights from ~$233
Airports nearby San Antonio used as alternative
Austin–Bergstrom International (AUS)
Consider Austin–Bergstrom International for more direct flight options, especially if driving is feasible.
📍 ~120 km from San Antonio (reachable by car, but expect heavy traffic on I-35).
💸 Flights from ~$192
Corpus Christi International (CRP)
Corpus Christi International offers additional options, particularly for travelers heading towards the Gulf Coast.
📍 ~200 km from San Antonio (reachable by car, over a 2-hour drive).
💸 Flights from ~$349
Laredo International (LRD)
Laredo International provides reliable domestic service, a straightforward drive south via I-35.
📍 ~240 km from San Antonio (reachable by car).
💸 Flights from ~$348
Killeen–Fort Hood Regional (GRK)
Killeen–Fort Hood Regional is an alternative for travelers on the north side of San Antonio.
📍 ~130 km from San Antonio (reachable by car).
💸 Flights from ~$486
Victoria Regional (VCT)
Victoria Regional is geographically closer than some other regional options, but has extremely limited service.
📍 ~180 km from San Antonio (reachable by car).
💸 Flights from ~$498
Business & First Class Flight Deals to San Antonio
Discover luxury on the budget with premium cabin class on flights from Boston to San Antonio.
Elite
Best Elite deals to San Antonio
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From BOS
Elite
Jul 29
San Antonio, United States
89% AI deal score
$1,454
$799
Save $655
From BOS
Elite
Sep 05
San Antonio, United States
89% AI deal score
$1,605
$799
Save $806
From BOS
Elite
Oct 02
San Antonio, United States
89% AI deal score
$1,611
$829
Save $782
From BOS
Elite
Nov 03
San Antonio, United States
88% AI deal score
$1,574
$919
Save $655
From BOS
Elite
Nov 10
San Antonio, United States
88% AI deal score
$1,574
$919
Save $655
From BOS
Elite
Nov 14
San Antonio, United States
88% AI deal score
$1,481
$799
Save $682
From BOS
Elite
Aug 20
San Antonio, United States
88% AI deal score
$1,497
$799
Save $698
From BOS
Elite
Sep 26
San Antonio, United States
88% AI deal score
$1,546
$799
Save $747
From BOS
Elite
Nov 07
San Antonio, United States
88% AI deal score
$1,498
$829
Save $669
From BOS
Elite
Aug 11
San Antonio, United States
87% AI deal score
$1,504
$919
Save $585
From BOS
Elite
Sep 01
San Antonio, United States
87% AI deal score
$1,463
$919
Save $544
From BOS
Elite
Aug 25
San Antonio, United States
87% AI deal score
$1,457
$919
Save $538
From BOS
Elite
Aug 29
San Antonio, United States
87% AI deal score
$1,454
$919
Save $535
From BOS
Elite
Aug 05
San Antonio, United States
87% AI deal score
$1,539
$919
Save $620
From BOS
Elite
Sep 26
San Antonio, United States
87% AI deal score
$1,485
$919
Save $566
From BOS
Elite
Aug 19
San Antonio, United States
87% AI deal score
$1,454
$919
Save $535
From BOS
Elite
Sep 12
San Antonio, United States
87% AI deal score
$1,466
$919
Save $547
From BOS
Elite
Nov 11
San Antonio, United States
87% AI deal score
$1,574
$949
Save $625
From BOS
Elite
Jul 30
San Antonio, United States
87% AI deal score
$1,403
$829
Save $574
From BOS
Elite
Jul 29
San Antonio, United States
86% AI deal score
$1,436
$919
Save $517
From BOS
Elite
Jul 28
San Antonio, United States
86% AI deal score
$1,436
$949
Save $487
From BOS
Elite
Aug 26
San Antonio, United States
86% AI deal score
$1,459
$949
Save $510
From BOS
Elite
Oct 10
San Antonio, United States
86% AI deal score
$1,543
$998
Save $545
From BOS
Elite
Jul 03
San Antonio, United States
86% AI deal score
$1,393
$909
Save $484
From BOS
Elite
Oct 22
San Antonio, United States
86% AI deal score
$1,632
$924
Save $708
From BOS
Elite
Jul 08
San Antonio, United States
85% AI deal score
$1,500
$979
Save $521
From BOS
Elite
Jul 21
San Antonio, United States
85% AI deal score
$1,461
$998
Save $463
From BOS
Elite
Sep 23
San Antonio, United States
85% AI deal score
$1,485
$998
Save $487
From BOS
Elite
Jun 25
San Antonio, United States
85% AI deal score
$1,442
$1,009
Save $433
From BOS
Elite
Aug 04
San Antonio, United States
84% AI deal score
$1,504
$969
Save $535
From BOS
Elite
Oct 19
San Antonio, United States
83% AI deal score
$1,704
$1,104
Save $600
From BOS
Elite
Aug 03
San Antonio, United States
82% AI deal score
$1,498
$1,044
Save $454
From BOS
Elite
Jul 03
San Antonio, United States
81% AI deal score
$1,387
$1,094
Save $293
From BOS
Elite
Jul 02
San Antonio, United States
76% AI deal score
$1,378
$1,094
Save $284
From BOS
Elite
Jul 03
San Antonio, United States
74% AI deal score
$2,050
$1,665
Save $385
From BOS
Elite
Aug 17
San Antonio, United States
72% AI deal score
$1,452
$1,350
Save $102
From BOS
Elite
Sep 21
San Antonio, United States
72% AI deal score
$1,466
$1,350
Save $116
From BOS
Elite
Aug 09
San Antonio, United States
71% AI deal score
$1,542
$1,474
Save $68
From BOS
Elite
Jun 26
San Antonio, United States
71% AI deal score
$2,102
$2,019
Save $83
From BOS
Elite
Dec 03
San Antonio, United States
47% AI deal score
$2,497
From BOS
Elite
Dec 09
San Antonio, United States
46% AI deal score
$2,463
From BOS
Elite
Nov 26
San Antonio, United States
46% AI deal score
$2,467
From BOS
Elite
Nov 14
San Antonio, United States
46% AI deal score
$2,474
From BOS
Elite
Nov 11
San Antonio, United States
46% AI deal score
$2,493
From BOS
Elite
Dec 08
San Antonio, United States
46% AI deal score
$2,493
From BOS
Elite
Nov 14
San Antonio, United States
46% AI deal score
$2,497
From BOS
Elite
Nov 16
San Antonio, United States
46% AI deal score
$2,504
From BOS
Elite
Sep 01
San Antonio, United States
46% AI deal score
$2,505
From BOS
Elite
Sep 02
San Antonio, United States
46% AI deal score
$2,507
From BOS
Elite
Sep 01
San Antonio, United States
46% AI deal score
$2,514
From BOS
Elite
Sep 01
San Antonio, United States
46% AI deal score
$2,514
From BOS
Elite
Sep 02
San Antonio, United States
46% AI deal score
$2,515
From BOS
Elite
Sep 02
San Antonio, United States
46% AI deal score
$2,516
From BOS
Elite
Nov 16
San Antonio, United States
46% AI deal score
$2,527
From BOS
Elite
Nov 14
San Antonio, United States
46% AI deal score
$2,527
From BOS
Elite
Dec 02
San Antonio, United States
46% AI deal score
$2,528
From BOS
Elite
Dec 03
San Antonio, United States
46% AI deal score
$2,529
From BOS
Elite
Dec 07
San Antonio, United States
46% AI deal score
$2,529
From BOS
Elite
Nov 05
San Antonio, United States
46% AI deal score
$2,533
From BOS
Elite
Nov 16
San Antonio, United States
46% AI deal score
$2,557
From BOS
Elite
Nov 26
San Antonio, United States
46% AI deal score
$2,566
From BOS
Elite
Dec 01
San Antonio, United States
46% AI deal score
$2,568
From BOS
Elite
Sep 01
San Antonio, United States
46% AI deal score
$2,575
From BOS
Elite
Sep 02
San Antonio, United States
46% AI deal score
$2,577
From BOS
Elite
Sep 01
San Antonio, United States
46% AI deal score
$2,577
From BOS
Elite
Sep 02
San Antonio, United States
46% AI deal score
$2,579
From BOS
Elite
Jul 03
San Antonio, United States
46% AI deal score
$2,592
From BOS
Elite
Nov 14
San Antonio, United States
45% AI deal score
$2,472
From BOS
Elite
Nov 26
San Antonio, United States
45% AI deal score
$2,498
From BOS
Elite
Nov 26
San Antonio, United States
45% AI deal score
$2,498
From BOS
Elite
Nov 16
San Antonio, United States
45% AI deal score
$2,502
From BOS
Elite
Nov 26
San Antonio, United States
45% AI deal score
$2,532
From BOS
Elite
Nov 26
San Antonio, United States
45% AI deal score
$2,556
From BOS
Elite
Nov 14
San Antonio, United States
45% AI deal score
$2,562
From BOS
Elite
Nov 27
San Antonio, United States
45% AI deal score
$2,572
From BOS
Elite
Nov 14
San Antonio, United States
45% AI deal score
$2,572
From BOS
Elite
Nov 16
San Antonio, United States
45% AI deal score
$2,592
From BOS
Elite
Nov 27
San Antonio, United States
45% AI deal score
$2,603
From BOS
Elite
Nov 27
San Antonio, United States
45% AI deal score
$2,661
From BOS
Elite
Jul 03
San Antonio, United States
45% AI deal score
$3,081
From BOS
Elite
Jul 03
San Antonio, United States
45% AI deal score
$3,081
From BOS
Elite
Jul 03
San Antonio, United States
45% AI deal score
$3,116
From BOS
Elite
Jul 11
San Antonio, United States
45% AI deal score
$3,151
From BOS
Elite
Jul 11
San Antonio, United States
45% AI deal score
$3,151
From BOS
Elite
Jul 11
San Antonio, United States
45% AI deal score
$3,186
From BOS
Elite
Jul 19
San Antonio, United States
45% AI deal score
$3,249
From BOS
Elite
Jun 23
San Antonio, United States
45% AI deal score
$3,268
From BOS
Elite
Jun 23
San Antonio, United States
45% AI deal score
$3,466
From BOS
Elite
Aug 11
San Antonio, United States
45% AI deal score
$18,119
From BOS
Elite
Jul 07
San Antonio, United States
45% AI deal score
$18,119
From BOS
Elite
Jun 20
San Antonio, United States
44% AI deal score
$4,199