Boston

$171+ Cheap flights from San Antonio to Boston (SAT - BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOS
Feb 25 — Mar 41
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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 Tuesday 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$171
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$321

Good round-trip deal

$338 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for San Antonio-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for San Antonio-Boston Logan Intl flights.
From San Antonio to Boston Logan Intl
Highest demand for flights based on searches. 12% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from San Antonio to Boston Logan Intl.
Price to beat on a one-way flight from San Antonio to Boston Logan Intl.

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 February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:09 pmSAT - BOS
1 stop9h 03mSpirit Airlines
Tue 5/206:10 amBOS - SAT
1 stop12h 08mSpirit Airlines
Deal found 2/19$171
This CheapOair deal was found by Cheapflights users on 2/19. 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.
Sat 5/1712:09 pmSAT - BOS
1 stop9h 03mMultiple Airlines
Mon 5/196:00 amBOS - SAT
1 stop15h 18mMultiple Airlines
Deal found 2/19$196
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 10/236:35 amSAT - BOS
1 stop7h 46mAmerican Airlines
Mon 10/273:50 pmBOS - SAT
1 stop7h 35mAmerican Airlines
Deal found 2/20$259
This Delta deal was found by Cheapflights users on 2/20. 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 10/242:00 pmSAT - BOS
Nonstop4h 05mDelta
Mon 10/279:15 amBOS - SAT
Nonstop4h 58mDelta
Deal found 2/20$269
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/125:30 amSAT - BOS
2 stops7h 41mUnited Airlines
Wed 3/266:00 amBOS - SAT
1 stop7h 17mUnited Airlines
Deal found 2/19$300
This Southwest deal was found by Cheapflights users on 2/19. 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.
Fri 3/215:30 pmSAT - BOS
1 stop5h 35mSouthwest
Fri 3/286:30 amBOS - SAT
2 stops7h 50mSouthwest
Deal found 2/19$343
This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/138:37 pmSAT - BOS
1 stop10h 32mFrontier
Sun 3/236:00 amBOS - SAT
1 stop14h 37mFrontier
Deal found 2/19$366

Find flights from San Antonio to Boston within your budget

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 February 20, 2025.

Fly from

San Antonio

Fly to

Boston

Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 5/17

12:09 pm-10:12 pm

1 stop9h 03m

Boston Logan Intl

Tue 5/20

6:10 am-5:18 pm

1 stop12h 08m

$171

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 5/17

12:09 pm-10:12 pm

1 stop9h 03m

Boston Logan Intl

Mon 5/19

6:00 am-8:18 pm

1 stop15h 18m

$196

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 3/12

12:20 pm-5:15 pm

Nonstop3h 55m

Boston Logan Intl

Wed 3/26

12:50 pm-4:40 pm

Nonstop4h 50m

$279

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 3/15

8:37 pm-12:34 am

1 stop26h 57m

Boston Logan Intl

Sat 3/22

6:00 am-7:37 pm

1 stop14h 37m

$283

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 3/12

5:30 am-2:11 pm

2 stops7h 41m

Boston Logan Intl

Wed 3/26

6:00 am-12:17 pm

1 stop7h 17m

$300

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 3/21

5:30 pm-12:05 am

1 stop5h 35m

Boston Logan Intl

Fri 3/28

6:30 am-1:20 pm

2 stops7h 50m

$343

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 3/19

5:00 am-1:15 pm

1 stop7h 15m

Boston Logan Intl

Tue 4/1

5:00 am-11:11 am

1 stop7h 11m

$356

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 3/27

7:21 pm-7:52 am

1 stop11h 31m

Boston Logan Intl

Mon 3/31

7:59 pm-6:22 pm

2 stops23h 23m

$499

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 3/21

12:20 pm-5:15 pm

Nonstop3h 55m

$179

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 4/9

12:21 pm-11:59 pm

2 stops10h 38m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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.

Travel insights for flights from San Antonio to Boston

Get recent, data-driven insights about flights from San Antonio to Boston including ideal travel times, pricing trends, and more.

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 February 14, 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 February 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 48% on flights from San Antonio to Boston by exploring options for tickets in the evening.

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 February 16, 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 February 20, 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.

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

8.0
Very good

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Overall

8.1

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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?

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

    Currently priced at $171, Spirit Airlines will fly you from San Antonio to Boston and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Frontier - these airlines can fly you to your destination from $279 and $283, respectively. These flights start at 48% lower than the current average price 3 months from now.

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

    $178 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $179 and $180, respectively.

  • 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 $354, our data indicates the cheapest price to be $198. The most popular route (San Antonio - Boston Logan Intl), is priced around $164.

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

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

    Dallas travelers tend to visit American Airlines Center, Dos Equis Pavilion, and Majestic Theatre more than anywhere else. American Airlines Center, Dos Equis Pavilion, and Majestic Theatre can be accessed by traveling approximately 15.0 mi, 18.3 mi, and 16.1 mi, respectively from Dallas/Fort Worth. Those landing in Dallas looking to spend some time exploring during their layover can rent a car for about $50 per day.

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

  • 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
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
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Fall River

Browse thousands of different options on Cheapflights for your next trip

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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.

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$220FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$206Average$309FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$206Average$328FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$214Average$362FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$356FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$263Average$417FlexibilityNo cancel feeOn-time63%
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