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$130+ Cheap flights from San Antonio to Boston (SAT - BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOS
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Boston Logan Intl are usually found in August or September, booked 90 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from San Antonio to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Delta)

One-way from

$130
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$335

Good round-trip deal

$279 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for San Antonio-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Boston Logan Intl flights.
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From San Antonio to Boston Logan Intl
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One-way flight from San Antonio to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from San Antonio to Boston Logan Intl.
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Price to beat on a one-way flight from San Antonio to Boston Logan Intl.
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Find flight deals from San Antonio to Boston

Cheapest flights from San Antonio to Boston
Explore the most affordable flight options available from San Antonio to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/62:50 pmSAT - BOS
Nonstop4h 14mDelta
Wed 6/119:15 amBOS - SAT
Nonstop4h 26mDelta
Deal found 3/25$239
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1412:30 pmSAT - BOS
2 stops33h 59mSpirit Airlines
Wed 5/216:10 amBOS - SAT
2 stops31h 47mSpirit Airlines
Deal found 3/25$240
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:06 amSAT - BOS
1 stop10h 45mMultiple Airlines
Fri 5/166:00 amBOS - SAT
1 stop14h 31mMultiple Airlines
Deal found 3/25$246
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amSAT - BOS
2 stops7h 25mSouthwest
Fri 10/36:35 amBOS - SAT
1 stop9h 25mSouthwest
Deal found 3/25$304
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:15 amSAT - BOS
1 stop7h 55mAmerican Airlines
Mon 6/25:00 amBOS - SAT
1 stop6h 52mAmerican Airlines
Deal found 3/25$318
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/282:15 pmSAT - BOS
1 stop6h 45mUnited Airlines
Wed 7/305:15 amBOS - SAT
1 stop9h 01mUnited Airlines
Deal found 3/25$349

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from San Antonio to Boston that are best for you.

Fly from

San Antonio

Fly to

Boston

Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 6/6

2:50 pm-8:04 pm

Nonstop4h 14m

Boston Logan Intl

Wed 6/11

9:15 am-12:41 pm

Nonstop4h 26m

$239

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 5/14

12:30 pm-11:29 pm

2 stops33h 59m

Boston Logan Intl

Wed 5/21

6:10 am-12:57 pm

2 stops31h 47m

$240

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 5/12

11:06 am-10:51 pm

1 stop10h 45m

Boston Logan Intl

Fri 5/16

6:00 am-7:31 pm

1 stop14h 31m

$246

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 9/17

7:00 am-3:25 pm

2 stops7h 25m

Boston Logan Intl

Fri 10/3

6:35 am-3:00 pm

1 stop9h 25m

$304

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sun 5/25

6:15 am-3:10 pm

1 stop7h 55m

Boston Logan Intl

Mon 6/2

5:00 am-10:52 am

1 stop6h 52m

$318

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 7/2

7:05 am-4:29 pm

1 stop8h 24m

Boston Logan Intl

Tue 7/8

7:45 am-1:16 pm

1 stop6h 31m

$349

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sun 5/25

6:15 am-3:10 pm

1 stop7h 55m

$130

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 5/14

12:30 pm-7:13 am

3 stops41h 43m

$131

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 4/5

12:21 pm-12:47 am

1 stop11h 26m

$145

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 4/29

2:10 pm-11:44 pm

1 stop8h 34m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 14 results
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Compare providers for flights from San Antonio to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Boston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Boston. Price data was last updated on March 21, 2025.

The best time to book flights from San Antonio to Boston is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Antonio to Boston?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Boston (average of $218). Flying from San Antonio to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to BOS?

Find hourly flight availability from San Antonio to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from San Antonio to Boston by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Boston. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their San Antonio to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated March 26, 2025.
To help decide which airline to fly from San Antonio to Boston, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from San Antonio to Boston?

    You will need to book a flight from San Antonio to Boston Logan Intl if you want to fly from San Antonio to Boston. At least 6 different airlines have flights from San Antonio (SAT) to Logan Intl (BOS) on a regular basis. There are 2 flights to Boston from the San Antonio airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAT to BOS to be around 3h 55m.

  • How popular is this San Antonio to Boston flight route?

    This flight path from San Antonio to Boston Logan Intl was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from San Antonio to Boston round-trip?

    Currently priced at $239, Delta will fly you from San Antonio to Boston and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and American Airlines - these airlines can fly you to your destination from $240 and $318, respectively. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Antonio to Boston one-way?

    $130 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $131 and $145, respectively.

  • What are the most reliable airlines from San Antonio to Boston?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Antonio to Boston on time: KLM (76%), Delta (76%), EL AL (70%).

  • What are the cheapest flights from San Antonio to Boston?

    Looking for the cheapest flight from San Antonio to Boston? While on average our users pay $1,721, our data indicates the cheapest price to be $119. The most popular route (San Antonio - Boston Logan Intl), is priced around $176.

  • Where are the most common layover locations when flying from San Antonio to Boston?

    San Antonio to Boston flights have a layover in Charlotte most of the time.

  • What are some popular things to do or see while on a layover in Charlotte?

    Charlotte travelers tend to visit Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center more than anywhere else. Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center can be accessed by traveling approximately 8.2 mi, 5.4 mi, and 5.8 mi, respectively from Charlotte Douglas. Those landing in Charlotte looking to spend some time exploring during their layover can rent a car for about $48 per day.

  • Where are the least popular layover locations for San Antonio to Boston flights?

    Flights departing from San Antonio and landing in Boston layover in Dallas least frequently.

  • Can I find deals for flights from San Antonio to Boston that include hotel bookings?

    Yes. In addition to deals on San Antonio to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Boston.

  • Can I find deals for business class flights from San Antonio to Boston?

    Yes. Cheapflights offers flight deals from San Antonio to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Boston (average of $218). Flying from San Antonio to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
Warwick
Marlborough
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Alternative routes for San Antonio to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Antonio to Boston

Discover the top 6 airlines that operate flights from San Antonio to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$218FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$206Average$308FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$206Average$322FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$230Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$239Average$350FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$257Average$420FlexibilityNo cancel feeOn-time63%
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