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$1,135+ Cheap flights from Boston (BOS) to Sal

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SID
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from Boston to Sal

Keep the following information in mind while searching for Boston to Sal flight deals. Data was last updated December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$835
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$1,387
Provider with most accurate pricing for Boston Logan Intl-Espargos Amilcar Cabral Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Espargos Amilcar Cabral Intl flights.
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From Boston Logan Intl to Sal
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Highest demand for flights based on searches. 5% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from Boston to Sal

Cheapest flights from Boston to Sal
Explore the most affordable flight options available from Boston to Sal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Mytrip deal was found by Cheapflights users on 12/1. 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.
Sat 12/139:20 pmBOS - SID
2 stops14h 55mMultiple Airlines
Sat 1/105:35 pmSID - BOS
3 stops30h 25mMultiple Airlines
Deal found 12/1$1,514
This Ovago deal was found by Cheapflights users on 12/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:05 pmBOS - SID
1 stop26h 00mTAP AIR PORTUGAL
Fri 1/91:05 amSID - BOS
1 stop17h 30mTAP AIR PORTUGAL
Deal found 12/1$1,601
This Gurufare deal was found by Cheapflights users on 11/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 pmBOS - SID
1 stop19h 40mMultiple Airlines
Mon 1/511:55 pmSID - BOS
2 stops46h 40mMultiple Airlines
Deal found 11/30$1,709

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sal 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 December 1, 2025.
Use the filters below to find and compare flights from Boston to Sal that are best for you.

Fly from

Boston

Fly to

Sal

Route

Depart

Return

Price

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 2/4

6:05 pm-5:00 pm

2 stops18h 55m

Espargos Amilcar Cabral Intl

Sat 2/21

1:55 pm-8:00 pm

2 stops34h 05m

$1,135

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 2/4

6:05 pm-12:05 am

1 stop26h 00m

Espargos Amilcar Cabral Intl

Fri 2/20

1:05 am-7:48 am

2 stops34h 43m

$1,143

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sat 12/13

9:20 pm-4:15 pm

2 stops14h 55m

Espargos Amilcar Cabral Intl

Sat 1/10

5:35 pm-8:00 pm

3 stops30h 25m

$1,514

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sat 12/13

6:05 pm-12:05 am

1 stop26h 00m

Espargos Amilcar Cabral Intl

Fri 1/9

1:05 am-2:35 pm

1 stop17h 30m

$1,601

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sat 2/7

3:35 pm-12:55 am

2 stops29h 20m

$2,367

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sat 2/7

10:25 pm-12:05 am

1 stop21h 40m

$2,809

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sat 2/7

8:40 pm-4:15 pm

3 stops39h 35m

$16,590

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Best time to book a flight from Boston to Sal

Have a flexible travel schedule? Discover the best time to fly to Sal from Boston 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 Boston to Sal

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

Currently, October is the cheapest month in which you can book a flight from Boston to Sal (average of $734). Flying from Boston to Sal in November is currently the most expensive (average of $1,179). 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 BOS to SL?

Find hourly flight availability from Boston to Sal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

One of the essential ways to save on airfare from Boston to Sal is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 33% on airfare.

Reviews of airlines servicing Sal

Get insights into the airlines that provide service to Sal. 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 Sal. Reviews last updated December 1, 2025.
Get a feel of what it's like to fly with TAP AIR PORTUGAL from Boston to Sal by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,079 reviews

Boarding

7.0

Comfort

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Overall

7.1

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.
TAP AIR PORTUGAL
7.1
Good
2,079 reviews
TAP AIR PORTUGAL
7.1
Good
2,079 reviews

Boarding

7.0

Comfort

7.1

Crew

7.8

Food

6.2

Entertainment

6.3

Overall

7.1

Reviews

1 / 20
4.0
Okay

Maxime,Nov 2025

EWR - LIS

The solo business class seat as part of the 4x2 configuration is very cramped. Do not recommend choosing this.

Related info for your journey

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

  • What airport do you fly from for flights from Boston to Sal?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Sal. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Sal?

    For as low as $1,143, TAP AIR PORTUGAL can have you in Sal from Boston in 26h. There are 3325 mi between Boston and Sal.

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

    The cheapest airline one-way is Royal Air Maroc, with whom users have recently found tickets for as low as $2,367. However, be on the lookout for offers from TAP AIR PORTUGAL and Lufthansa, as they are both options that can get you from Boston to Sal for a low price.

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

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

  • How can I find direct flights from Boston to Sal?

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

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

    Yes. Cheapflights offers flight deals from Boston to Sal 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 Boston to Sal?

    Currently, October is the cheapest month in which you can book a flight from Boston to Sal (average of $734). Flying from Boston to Sal in November is currently the most expensive (average of $1,179). 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

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Alternative routes for Boston to Sal

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Espargos flights

Top airline flying from Boston to Sal

Discover the top airline that operate flights from Boston to Sal. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$767Average$1,099FlexibilityNo cancel feeOn-timeN/A

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