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$70+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BOS
Feb 15 — Feb 221
Sat 2/15
Sat 2/22
1 adult, Economy
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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 Tuesday or Saturday 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 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Delta)

One-way from

$70
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$321

Good round-trip deal

$329 or less

Good one-way deal

$203 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 February 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 February 10, 2025.

This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 4/17:15 amSAT - BOS
2 stops8h 07mUnited Airlines
Sat 4/56:00 amBOS - SAT
1 stop7h 12mUnited Airlines
Deal found 2/10$294
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Mon 4/79:35 pmSAT - BOS
3 stops22h 32mSpirit Airlines
Sat 4/122:09 pmBOS - SAT
3 stops23h 01mSpirit Airlines
Deal found 2/10$295
This Delta deal was found by Cheapflights users on 2/10. 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 3/2112:20 pmSAT - BOS
Nonstop3h 55mDelta
Mon 3/2412:50 pmBOS - SAT
Nonstop4h 50mDelta
Deal found 2/10$298
This American Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 3/255:00 amSAT - BOS
1 stop5h 40mAmerican Airlines
Fri 3/287:25 amBOS - SAT
1 stop7h 17mAmerican Airlines
Deal found 2/9$314
This CheapOair deal was found by Cheapflights users on 2/10. 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 4/512:21 pmSAT - BOS
1 stop11h 26mMultiple Airlines
Sat 4/1210:33 pmBOS - SAT
2 stops22h 23mMultiple Airlines
Deal found 2/10$333
This Southwest deal was found by Cheapflights users on 2/10. 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 3/2611:25 amSAT - BOS
2 stops7h 20mSouthwest
Sat 3/296:05 amBOS - SAT
1 stop10h 05mSouthwest
Deal found 2/10$343
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/307:00 amSAT - BOS
1 stop23h 52mAlaska Airlines
Sat 4/57:00 amBOS - SAT
1 stop23h 40mAlaska Airlines
Deal found 2/10$482

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 10, 2025.

Fly from

Any airport

Fly to

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Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/11

12:20 pm-5:15 pm

Nonstop3h 55m

Boston Logan Intl

Mon 3/17

12:50 pm-4:40 pm

Nonstop4h 50m

$298

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 2/28

11:17 am-8:28 am

3 stops20h 11m

Boston Logan Intl

Sun 3/2

5:07 pm-1:27 pm

3 stops21h 20m

$302

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/25

5:00 am-11:40 am

1 stop5h 40m

Boston Logan Intl

Fri 3/28

7:25 am-1:42 pm

1 stop7h 17m

$314

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 5/23

5:04 pm-12:44 am

1 stop6h 40m

Boston Logan Intl

Tue 5/27

4:35 pm-11:14 am

1 stop19h 39m

$316

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 3/26

11:25 am-7:45 pm

2 stops7h 20m

Boston Logan Intl

Sat 3/29

6:05 am-3:10 pm

1 stop10h 05m

$343

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sun 6/29

7:10 am-4:29 pm

1 stop8h 19m

Boston Logan Intl

Fri 7/4

8:30 am-3:21 pm

1 stop7h 51m

$344

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 3/21

7:21 pm-7:52 am

1 stop11h 31m

Boston Logan Intl

Sun 3/23

7:59 pm-6:22 pm

2 stops23h 23m

$584

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/11

7:00 am-2:11 pm

1 stop6h 11m

$170

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sun 3/30

5:20 pm-9:16 pm

2 stops26h 56m

$175

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/11

12:20 pm-5:15 pm

Nonstop3h 55m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 14 results
1
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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
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
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 7, 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 10, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 49% 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 2, 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 10, 2025.
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Southwest
8.1
Very good
4,496 reviews
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Alaska Airlines
8.0
Very good
9,690 reviews
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

Delta
8.0
Very good
8,348 reviews
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

United Airlines
7.4
Good
8,846 reviews
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,496 reviews

Crew

8.7

Food

7.1

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Steven,Feb 2025

BZN - DEN

Bozeman Airport knows how to deal with snow. I saw many airlines leave with only small delays due to the foot of snow. Our plane was 4 hours delayed. I missed my connection in Denver with a 3.5 hour layover. Because of that, the best you Southwest could do was make me wait more hours, them send me to Chicago Midway, where I had to wait overnight, for 7 more hours until a flight to RSW was available. Nobody at Southwest told me that Midway shuts down after 8pm. Everything was closed. I had no idea. You just dumped me there. I am a 65 year old man and you dumped me in Midway without even a couch to lie on. I was awake 21 hours because of this. No, it was not an act of God. Other airlines were moving passengers out. It was incompetence Shame on you.

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 is 1 flight 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 $298, 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 $302 and $314, respectively. These flights start at 9% lower than the current average price 3 months from now.

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

    $70 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 Frontier and United Airlines, with prices starting from $93 and $170, 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 $321, our data indicates the cheapest price to be $198. The most popular route (San Antonio - Boston Logan Intl), is priced around $118.

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

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

  • 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 $51 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 Charlotte 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
Sturbridge
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Randolph
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Fall River

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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 February 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$220FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$206Average$307FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$206Average$327FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$214Average$362FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$355FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$257Average$415FlexibilityNo cancel feeOn-time63%
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