Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Boston from $76

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 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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.
Spirit Airlines Logo
7:05 am - 2:44 pmSAT-BOS
6h 39m1 stop
Spirit Airlines Logo
3:49 pm - 10:51 pmBOS-SAT
8h 02m1 stop
$170Spirit Airlines
Find Deal
mar., may. 13 - mar., may. 20
Spirit Airlines Logo
10:01 am - 11:47 pmSAT-BOS
12h 46m1 stop
Spirit Airlines Logo
3:49 pm - 10:51 pmBOS-SAT
8h 02m1 stop
$184Spirit Airlines
Find Deal
vie., may. 30 - mar., jun. 3
Delta Logo
2:40 pm - 8:02 pmSAT-BOS
4h 22mnonstop
Delta Logo
9:20 am - 12:47 pmBOS-SAT
4h 27mnonstop
$239Delta
Find Deal
sáb., jul. 12 - jue., jul. 17
Delta Logo
11:30 am - 7:45 pmSAT-BOS
7h 15m1 stop
Delta Logo
9:20 am - 12:56 pmBOS-SAT
4h 36mnonstop
$249Delta
Find Deal
vie., may. 30 - mar., jun. 3
United Airlines Logo
12:10 pm - 8:38 pmSAT-BOS
7h 28m1 stop
United Airlines Logo
3:45 pm - 9:17 pmBOS-SAT
6h 32m1 stop
$254United Airlines
Find Deal
mié., sep. 10 - mié., sep. 17
United Airlines Logo
11:45 am - 8:38 pmSAT-BOS
7h 53m2 stops
United Airlines Logo
3:45 pm - 9:17 pmBOS-SAT
6h 32m1 stop
$264United Airlines
Find Deal
mié., sep. 10 - mié., sep. 17
American Airlines Logo
2:20 pm - 10:47 pmSAT-BOS
7h 27m1 stop
American Airlines Logo
5:32 pm - 11:59 pmBOS-SAT
7h 27m1 stop
$318American Airlines
Find Deal
sáb., jun. 21 - sáb., jun. 28
Southwest Logo
3:55 pm - 11:20 pmSAT-BOS
6h 25m1 stop
Southwest Logo
1:00 pm - 7:30 pmBOS-SAT
7h 30m2 stops
$328Southwest
Find Deal
mié., jun. 25 - jue., jun. 26
Southwest Logo
6:00 am - 3:25 pmSAT-BOS
8h 25m2 stops
Southwest Logo
5:00 am - 12:15 pmBOS-SAT
8h 15m2 stops
$333Southwest
Find Deal
mar., sep. 9 - lun., sep. 15
American Airlines Logo
6:32 am - 3:24 pmSAT-BOS
7h 52m1 stop
American Airlines Logo
5:55 am - 11:40 amBOS-SAT
6h 45m1 stop
$377American Airlines
Find Deal
mié., jul. 2 - lun., jul. 7

Spirit Airlines flights from San Antonio to Boston

Our best Spirit Airlines deals on San Antonio to Boston flight tickets
Spirit Airlines
May 13
SAT7:05 amSan Antonio
6h 39m
1 stop
BOS2:44 pmBoston Logan Intl
May 20
BOS3:49 pmBoston Logan Intl
8h 02m
1 stop
SAT10:51 pmSan Antonio
Spirit Airlines
May 30
SAT10:01 amSan Antonio
12h 46m
1 stop
BOS11:47 pmBoston Logan Intl
Jun 3
BOS3:49 pmBoston Logan Intl
8h 02m
1 stop
SAT10:51 pmSan Antonio
Spirit Airlines
May 14
SAT7:05 amSan Antonio
6h 39m
1 stop
BOS2:44 pmBoston Logan Intl
May 21
BOS3:49 pmBoston Logan Intl
8h 02m
1 stop
SAT10:51 pmSan Antonio

United Airlines flights from San Antonio to Boston

Our best United Airlines deals on San Antonio to Boston flight tickets
United Airlines
Sep 10
SAT12:10 pmSan Antonio
7h 28m
1 stop
BOS8:38 pmBoston Logan Intl
Sep 17
BOS3:45 pmBoston Logan Intl
6h 32m
1 stop
SAT9:17 pmSan Antonio
United Airlines
Sep 10
SAT11:45 amSan Antonio
7h 53m
2 stops
BOS8:38 pmBoston Logan Intl
Sep 17
BOS3:45 pmBoston Logan Intl
6h 32m
1 stop
SAT9:17 pmSan Antonio
United Airlines
May 28
SAT6:45 amSan Antonio
7h 38m
1 stop
BOS3:23 pmBoston Logan Intl
May 31
BOS5:30 amBoston Logan Intl
6h 30m
1 stop
SAT11:00 amSan 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 $278.

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 $324. 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 $398.

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 morning. momondo users have found flights departing from San Antonio to Boston in the morning for as low as $349. 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 $446 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 $333 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 $288 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 April 2025, prices for San Antonio to Boston flights are approximately 8% 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

$76

Fastest flight time

4h 07m

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 $76. The best round-trip flight deal from San Antonio to Boston found on momondo in the last 72 hours is $170.
The fastest flight from San Antonio to Boston takes 4h 07m
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 4h 14m 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
7,962 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $206Free CancellationRating
7.3
2,922 reviews
Search JetBlue flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
DeltaPriceFrom $239Free CancellationRating
8.0
7,934 reviews
Search Delta flights
SouthwestPriceFrom $258Free CancellationRating
8.0
4,294 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 $239. Generally, Delta has 4 flights on this route every week with an average price of $346. Delta is rated 8.0/10 by our users.


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
York Beach
Cambridge
Plymouth
Brockton
Laconia
Concord
Everett
Narragansett
Warwick
Middletown
Kennebunkport
Wells
Revere
Gloucester

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.


An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lun. 5/5
lun. 5/12

Find better results for your trip to the United States