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Cheap flights from San Antonio to Boston from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Boston departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Antonio to Boston

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to Boston that have been recently found on momondo from popular airlines, departing in the coming months.
7:05 am - 3:59 pmSAT-BOS
7h 54m1 stop
8:28 pm - 9:38 amBOS-SAT
14h 10m1 stop
$173Spirit Airlines
Find Deal
Sat, May 10 - Sun, May 11
11:48 am - 8:02 pmSAT-BOS
7h 14m1 stop
8:59 am - 8:01 pmBOS-SAT
12h 02m1 stop
$175Spirit Airlines
Find Deal
Wed, Apr 9 - Mon, Apr 14
12:11 pm - 5:16 pmSAT-BOS
4h 05mnonstop
9:25 am - 1:08 pmBOS-SAT
4h 43mnonstop
$197Delta
Find Deal
Wed, Apr 9 - Mon, Apr 14
6:08 pm - 1:17 amSAT-BOS
6h 09m1 stop
9:20 am - 12:56 pmBOS-SAT
4h 36mnonstop
$207Delta
Find Deal
Sat, May 17 - Tue, May 20
5:00 am - 1:18 pmSAT-BOS
7h 18m1 stop
5:38 pm - 11:50 pmBOS-SAT
7h 12m1 stop
$217American Airlines
Find Deal
Sat, May 3 - Mon, May 5
5:50 pm - 12:20 amSAT-BOS
5h 30m1 stop
6:20 am - 2:15 pmBOS-SAT
8h 55m2 stops
$264Southwest
Find Deal
Fri, Mar 28 - Wed, Apr 2
7:00 am - 2:11 pmSAT-BOS
6h 11m1 stop
2:48 pm - 8:34 pmBOS-SAT
6h 46m1 stop
$294United Airlines
Find Deal
Sat, Mar 22 - Mon, Mar 31
7:00 am - 2:11 pmSAT-BOS
6h 11m1 stop
6:00 am - 12:17 pmBOS-SAT
7h 17m1 stop
$310United Airlines
Find Deal
Thu, Mar 20 - Tue, Mar 25
2:20 pm - 10:29 pmSAT-BOS
7h 09m1 stop
10:56 am - 5:38 pmBOS-SAT
7h 42m1 stop
$318American Airlines
Find Deal
Sun, Jul 13 - Sat, Jul 19
6:30 pm - 8:10 amSAT-BOS
12h 40m2 stops
5:20 am - 12:15 pmBOS-SAT
7h 55m2 stops
$345Southwest
Find Deal
Mon, Aug 4 - Wed, Aug 6

Spirit Airlines flights from San Antonio to Boston

Our best Spirit Airlines deals on San Antonio to Boston flight tickets
Spirit Airlines
May 10
SAT7:05 amSan Antonio
7h 54m
1 stop
BOS3:59 pmBoston Logan Intl
May 11
BOS8:28 pmBoston Logan Intl
14h 10m
1 stop
SAT9:38 amSan Antonio
Spirit Airlines
Apr 9
SAT11:48 amSan Antonio
7h 14m
1 stop
BOS8:02 pmBoston Logan Intl
Apr 14
BOS8:59 amBoston Logan Intl
12h 02m
1 stop
SAT8:01 pmSan Antonio
Spirit Airlines
Apr 9
SAT11:48 amSan Antonio
7h 14m
1 stop
BOS8:02 pmBoston Logan Intl
Apr 14
BOS8:35 pmBoston Logan Intl
13h 39m
1 stop
SAT9:14 amSan Antonio

Delta flights from San Antonio to Boston

Our best Delta deals on San Antonio to Boston flight tickets
Delta
Apr 9
SAT12:11 pmSan Antonio
4h 05m
BOS5:16 pmBoston Logan Intl
Apr 14
BOS9:25 amBoston Logan Intl
4h 43m
SAT1:08 pmSan Antonio
Delta
May 17
SAT6:08 pmSan Antonio
6h 09m
1 stop
BOS1:17 amBoston Logan Intl
May 20
BOS9:20 amBoston Logan Intl
4h 36m
SAT12:56 pmSan Antonio
Delta
May 10
SAT2:50 pmSan Antonio
4h 14m
BOS8:04 pmBoston Logan Intl
May 22
BOS9:20 amBoston Logan Intl
4h 36m
SAT12:56 pmSan Antonio

See travel insights to Boston from

How to get the cheapest flight ticket from San Antonio to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, August is the cheapest month to fly from San Antonio to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. If you aren’t able to travel during the month of August, then book flights to Boston from San Antonio during September instead. Flights to Boston in September, while not as cheap as those in August, still average around $288.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Antonio to Boston is on a Saturday when prices can be found for as low as $325. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $403.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Antonio to Boston in the afternoon for as low as $345. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $460 per ticket.

What is the cheapest San Antonio to Boston Logan Intl flight route?

Fly from San Antonio to Boston Logan Intl for the best San Antonio - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Antonio when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $330 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Antonio for as low as $271 on momondo.

What cabin class options are available on San Antonio to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on San Antonio to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Antonio to Boston flight prices changed over time?

As of March 2025, prices for San Antonio to Boston flights are approximately 5% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Boston (SAT to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Boston

Best Price Found

$81

Fastest flight time

3h 55m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Antonio in the past 72 hours is $81. The best round-trip flight deal from San Antonio to Boston found on momondo in the last 72 hours is $173.
The fastest flight from San Antonio to Boston takes 3h 55m
Direct flights go from San Antonio to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)

  • How far is San Antonio to Boston Logan Intl by plane?

    San Antonio and Boston Logan Intl are 1763.9 mi apart from one another. Typically, this will take 3h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to Boston Logan Intl Airport?

    Prices for flights from San Antonio Airport to Boston Logan Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Antonio to Boston?

  • What is the most popular airline from San Antonio to Boston?


Best airlines flying from San Antonio to Boston

Compare and see reviews for airlines that fly from San Antonio to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $99Free CancellationRating
6.3
7,903 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $206Free CancellationRating
7.3
2,962 reviews
Search JetBlue flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
8,631 reviews
Search United Airlines flights
DeltaPriceFrom $237Free CancellationRating
8.0
7,973 reviews
Search Delta flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,300 reviews
Search Southwest flights
  • Delta Flights From San Antonio to Boston

    The lowest priced Delta flight from San Antonio to Boston from the last 72 hours was $237. Generally, Delta has 4 flights on this route every week with an average price of $361. Delta is rated 8.0/10 by our users.

  • United Airlines Flights From San Antonio to Boston

    Another popular option for San Antonio to Boston flights is United Airlines (7.4/10, 8,631 ratings). United Airlines flies from San Antonio to Boston around 3 times per week, with deals starting from $230 round-trip and rising to an average price of around $366.


Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Hampton
Old Orchard Beach
Nashua
Cambridge
Brockton
Plymouth
Concord
Laconia
York Beach
Everett
Warwick
Middletown
Wells
Revere
Gloucester
Kennebunkport
Narragansett

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Boston?

It is quick and easy to find San Antonio to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

Can I find flights from San Antonio to Boston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boston from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Boston?

momondo helps you find the best flight between San Antonio and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Antonio to Boston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boston from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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