SAT - BOS

$91 Find Cheap Flights from San Antonio to Boston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Boston departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$258
Typical prices: $344-$536
Frontier
Mon 10/19Thu 10/22
SAT - BOS • 1 stop
Cheapest non-stop
$279
Typical prices: $299-$497
Delta
Thu 8/27Mon 8/31
SAT - BOS • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
JetBlue adds Even More Space seats and free Wi-Fi on this domestic route.
Delta also offers free Wi-Fi for SkyMiles members; SAT has short security lines.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
Every day
You can fly direct with Delta. Average duration is 4h 27m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $336 (round-trip)
Shortest trip • 5h 44m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from San Antonio to Boston (SAT-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Boston

Mon, Oct 19 - Thu, Oct 22
Frontier Logo
10:34 am - 10:09 amSAT  San Antonio-BOS Boston Logan Intl
22h 35m1 stop Orlando
Frontier Logo
9:15 am - 9:39 amBOS  Boston Logan Intl-SAT San Antonio
25h 24m1 stop Orlando
$258Frontier
Sat, Oct 3 - Tue, Oct 6
Delta Logo
1:35 pm - 6:56 pmSAT  San Antonio-BOS Boston Logan Intl
4h 21mnonstop
Delta Logo
5:50 am - 11:40 amBOS  Boston Logan Intl-SAT San Antonio
6h 50m1 stop Minneapolis St Paul
$259Delta
Wed, Sep 16 - Sat, Sep 19
Delta Logo
4:21 pm - 1:17 amSAT  San Antonio-BOS Boston Logan Intl
7h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:15 am - 12:40 pmBOS  Boston Logan Intl-SAT San Antonio
4h 25mnonstop
$259Delta
Fri, Nov 6 - Mon, Nov 9
Southwest Logo
2:30 pm - 1:10 amSAT  San Antonio-BOS Boston Logan Intl
9h 40m1 stop Denver Intl
Southwest Logo
7:30 pm - 12:55 amBOS  Boston Logan Intl-SAT San Antonio
6h 25m1 stop Nashville Intl
$269Southwest
Mon, Sep 28 - Tue, Sep 29
Southwest Logo
2:55 pm - 10:15 pmSAT  San Antonio-BOS Boston Logan Intl
6h 20m1 stop Baltimore/Washington
Southwest Logo
5:35 am - 10:50 amBOS  Boston Logan Intl-SAT San Antonio
6h 15m1 stop Lambert-St Louis
$269Southwest
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
10:51 am - 7:52 pmSAT  San Antonio-BOS Boston Logan Intl
8h 01m1 stop Dallas/Fort Worth
American Airlines Logo
1:00 pm - 8:24 pmBOS  Boston Logan Intl-SAT San Antonio
8h 24m1 stop Philadelphia
$269American Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
12:15 pm - 8:16 pmSAT  San Antonio-BOS Boston Logan Intl
7h 01m1 stop Charlotte Douglas
American Airlines Logo
5:17 am - 1:15 pmBOS  Boston Logan Intl-SAT San Antonio
8h 58m1 stop Dallas/Fort Worth
$269American Airlines
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
12:24 pm - 6:57 pmSAT  San Antonio-BOS Boston Logan Intl
5h 33m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:15 am - 1:16 pmBOS  Boston Logan Intl-SAT San Antonio
7h 01m1 stop Houston George Bush Intcntl
$269United Airlines
Fri, Sep 18 - Tue, Sep 22
United Airlines Logo
5:30 pm - 1:10 amSAT  San Antonio-BOS Boston Logan Intl
6h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 11:52 amBOS  Boston Logan Intl-SAT San Antonio
6h 52m1 stop Chicago O'Hare Intl
$269United Airlines
Wed, Sep 9 - Sun, Sep 13
Frontier Logo
10:03 am - 10:22 amSAT  San Antonio-BOS Boston Logan Intl
23h 19m1 stop Orlando
Frontier Logo
11:53 am - 9:10 amBOS  Boston Logan Intl-SAT San Antonio
22h 17m1 stop Orlando
$289Frontier
Booking Insights

KAYAK's insights & trends for San Antonio to Boston flights

Get data-powered insights and trends into flights from San Antonio to Boston to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Antonio to Boston?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to Boston departing in October.

Flight prices are below average for this route right now.

Flights to Boston from San Antonio usually cost between $297 and $462 in October.
The lowest price found in the past 5 days was $258 on Frontier (Oct 19-Oct 22).

What’s the cheapest day of the week to fly from San Antonio to Boston?

The average price of all round-trip flights from San Antonio to Boston clicked on KAYAK for each day over the last 12 months.

For San Antonio to Boston, Saturday is the cheapest day to fly on average and Monday is the most expensive. Flying from Boston back to San Antonio, the best deals are generally found on Tuesday, with Monday being the most expensive.

What is the cheapest month to fly from San Antonio to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Boston is September, where tickets cost $347 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is $527 and $516 respectively.

Can I save money by flying with a layover from San Antonio to Boston?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $349 on average.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to Boston, you should book around 5 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Expert advice

Expert advice for your flight from San Antonio to Boston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

January

Cheapest flight

$91
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from San Antonio to Boston

When to book flights from San Antonio to Boston

Are your dates flexible? Find out the best times to travel from San Antonio to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to Boston

  • What parking options do I have at San Antonio International Airport?

    San Antonio International Airport has several parking options for you to choose from. The long term parking garage is located right next to the airport terminal. It is open 24h a day and offers free shuttle service to the airport terminal. Economy Green & Red Parking Lots are located on both sides of the airport, with multiple entrances on each side. These lots provide free shuttle service between them and the terminal.

  • What services are offered for the people with reduced mobility?

    San Antonio International Airport requires you to state whether you need special assistance on your flight while making reservations. Wheelchairs are given upon request at the airport. Service animals are also allowed to accompany their owners at the airport. Through the Aira app, the airport provides assistance to those who are visually-impaired for free.

  • Can I get a car rental at Boston Logan International Airport?

    Car rentals at Boston Logan International Airport are located at the luggage claim area. Renting a car affords you the luxury of touring the city within your own timeline and also grants you access to areas that public transportation may not easily access. At the Boston Logan International Airport, several car rental companies offer their services to passengers in need. Enterprise, Hertz, Thrifty, Budget and National are all companies you can find at the airport.

  • How can I get downtown from Boston Logan International Airport?

    Going to the city center from Boston Logan International Airport is easy. You have three different options including the Silver Line Airport Bus, the subway, or a private shuttle. The private shuttle is the most reliable means of transportation as it is affordable and is available for 24h every day. Additionally, there is door-to door service. The Boston subway takes you to your destination fast and avoids all the city traffic. The Silver Line bus provides connections to different railway lines including Amtrak and commuter rail. You can board at the airport terminal.

  • What is the cheapest flight from San Antonio to Boston?

    In the last 5 days, the lowest price for a flight from San Antonio to Boston was $91 for a one-way ticket and $258 for a round-trip.

  • Do I need a passport to fly between San Antonio and Boston?

    No

  • Which airports will I be using when flying from San Antonio to Boston?

    When flying out of San Antonio you will be using San Antonio. You will be landing at Boston, also known as Boston Logan Intl.

  • Which airlines offer Wi-Fi service onboard planes from San Antonio to Boston?

    JetBlue, and Delta offer inflight Wi-Fi service on the San Antonio to Boston flight route.

  • Which aircraft models fly most regularly from San Antonio to Boston?

    The Airbus A220-300 is the aircraft model that flies most regularly on the San Antonio to Boston flight route.

  • Which airline alliances offer flights from San Antonio to Boston?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between San Antonio and Boston, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from San Antonio to Boston?

    There are nonstop flights from San Antonio to Boston on a daily basis.

  • Which is the best airline for flights from San Antonio to Boston, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Antonio to Boston are Southwest and Delta. With an average price for the route of $420 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $407 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Antonio to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and BOS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Antonio to Boston

  • Looking for a cheap flight? 25% of our users found flights on this route for $198 or less one-way and $279 or less round-trip.
  • Flights from San Antonio to Boston depart from San Antonio International Airport (SAT), which offers pet relief services located at Terminal A. For your convenience, the airport provides a sink where you can clean up after handling your animal. The floor also feature multiple drains.
  • Need a place to relax? The Boston Logan International Airport (BOS) feature several lounges at Terminals A, C and E where you can recharge after your flight. The Delta Sky Club (Terminal A) is located on the second level near gate A18; it offers complimentary drinks and snacks as well as showers.
  • Whether you are flying to a new city or taking a vacation, JetBlue has something for everyone. You can watch as many movies and TV shows as you want, and even play games on your laptop or phone. If you are traveling with kids, there is a whole section of kid-friendly content just for them.
  • If you are looking to get to the San Antonio International Airport from downtown, the Metropolitan Transit bus is a great option. The bus will take you right to the airport and help you avoid the hassle of traffic downtown.
  • At San Antonio International Airport, you can get nursing rooms at Terminals A and B. In here, moms can get to breastfeed their children. There are various amenities provided including; electrical breast pumps, sinks and changing tables.

Prefer to fly direct from San Antonio to Boston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Antonio to Boston Logan Intl.
Find which airlines fly direct from San Antonio Airport to Boston Logan Intl Airport, which days they fly and book direct flights.

Direct departures

San Antonio to Boston Logan Intl

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Direct returns

Boston Logan Intl to San Antonio

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Everything you need to know for your flight from San Antonio to Boston

Information on your arrival and departure airports