Cheap flights from Boston to San Antonio from $80
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Antonio departing on 4/30. 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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Spirit Airlines flights from Boston to San Antonio
Our best Spirit Airlines deals on Boston to San Antonio flight tickets
Southwest flights from Boston to San Antonio
Our best Southwest deals on Boston to San Antonio flight tickets
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How to get the cheapest flight ticket from Boston to San Antonio
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 San Antonio?
If you aren’t able to travel during the month of September, then book flights to San Antonio from Boston during August instead. Flights to San Antonio in August, while not as cheap as those in September, still average around $286.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $352. This is often the case because there is less demand to fly during this day of the week. 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 San Antonio on Monday is $428.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Boston to San Antonio in the afternoon for as low as $292. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $398. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Boston Logan Intl to San Antonio flight route?
Fly from Boston Logan Intl to San Antonio for the best Boston Logan Intl - San Antonio flight prices
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Boston when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $352 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Boston for as low as $313 on momondo.
What cabin class options are available on Boston Logan Intl to San Antonio flights?
There are 3 cabin classes available to choose from on Boston Logan Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Boston Logan Intl to San Antonio?
Spirit Airlines, American Airlines, and Frontier are the most popular carriers operating from Boston Logan Intl to San Antonio
What airlines fly to San Antonio?
Delta, American Airlines and JetBlue are the top three most popular airlines that fly to San Antonio from Boston according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to San Antonio on average per day?
The number of flights available between Boston and San Antonio is 1 per day as of March 2025. The most frequent departure time is 6:00AM, with 50% of daily flights leaving at noon.
How many flights depart from Boston to San Antonio on average per week?
As of March 2025, there are 11 flights per week flying from Boston to San Antonio. The most common day of the week flights depart is Wed, with 36% of flights taking off on this day.
When to book flights from Boston to San Antonio
Cheap Boston to San Antonio (BOS to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to San Antonio
How far is Boston Logan Intl to San Antonio by plane?
A flight from Boston Logan Intl to San Antonio will travel around 1763.9 mi. In terms of flight time, this usually takes a little over 4h 26m.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Antonio Airport?
Prices for flights from Boston Logan Intl Airport to San Antonio Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Antonio Airport?
As of March 2025, there are 6 operators available to choose from for flights from Boston Logan Intl Airport to San Antonio Airport.
How old do you have to be to fly from Boston Logan Intl Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio 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 San Antonio 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 Boston to San Antonio?
Based on momondo bookings for flights between Boston and San Antonio, the leading plane model is Airbus A320-100/200, making up 37.56% of the total bookings. Other popular models include Airbus A220-100 with 25.82%, Airbus A319 with 22.85%, and Airbus A220-300 with 5.79%.
What is the most popular airline from Boston to San Antonio?
momondo data reveals that the most frequently booked airline on the route from Boston to San Antonio is Delta, representing 41% of all bookings. The subsequent popular airlines are JetBlue at 29%, American Airlines at 15%, and Southwest at 8%.
Best airlines flying from Boston to San Antonio
Compare and see reviews for airlines that fly from Boston to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $137 | Free Cancellation | Rating 6.3 7,882 reviews | |||
| PriceFrom $205 | Free Cancellation | Rating 7.3 2,923 reviews | |||
| PriceFrom $206 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 8.0 7,895 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 4,274 reviews |
Delta Flights From Boston to San Antonio
Delta flight deals from Boston to San Antonio start from $239 round-trip. Over the 6 Delta flights for this route in a normal week, average airfare is usually $378 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Boston to San Antonio
Another popular option for Boston to San Antonio flights is United Airlines (7.4/10, 8,603 ratings). United Airlines flies from Boston to San Antonio around 3 times per week, with deals starting from $206 round-trip and rising to an average price of around $370.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to San Antonio?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to San Antonio. momondo saves you time and could save you money on your trip.
Can I find flights from Boston to San Antonio with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Antonio from Boston with this policy.
How can momondo help me find flights from Boston to San Antonio?
momondo helps you find the best flight between Boston and San Antonio 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 Boston to San Antonio right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Antonio from Boston. 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.