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Espargos

$497+ Cheap flights from Boston (BOS) to Espargos (SID)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SID
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Espargos Amilcar Cabral Intl are usually found in November or September, booked 43 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Boston to Espargos

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Espargos (SID). 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 August 14, 2025.

Round-trip from

$887
(Trip.com)

One-way from

$497
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,091
From Boston Logan Intl to Espargos Amilcar Cabral Intl
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One-way flight from Boston Logan Intl to Espargos Amilcar Cabral Intl
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Boston to Espargos

Cheapest flights from Boston to Espargos
Explore the most affordable flight options available from Boston to Espargos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:10 pmBOS - SID
1 stop26h 05mTAP AIR PORTUGAL
Tue 9/1612:15 amSID - BOS
1 stop17h 05mTAP AIR PORTUGAL
Deal found 8/12$744
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:40 pmBOS - SID
1 stop21h 35mTAP AIR PORTUGAL
Fri 10/1012:45 pmSID - BOS
1 stop28h 35mTAP AIR PORTUGAL
Deal found 8/12$801
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:20 pmBOS - SID
1 stop21h 55mTAP AIR PORTUGAL
Fri 10/2412:15 amSID - BOS
1 stop22h 50mTAP AIR PORTUGAL
Deal found 8/12$841
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:40 pmBOS - SID
3 stops35h 50mMultiple Airlines
Mon 12/11:05 amSID - BOS
3 stops45h 30mMultiple Airlines
Deal found 8/13$887
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:05 pmBOS - SID
1 stop38h 25mTAP AIR PORTUGAL
Mon 12/11:05 amSID - BOS
1 stop17h 30mTAP AIR PORTUGAL
Deal found 8/13$909
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:40 pmBOS - SID
1 stop21h 35mTAP AIR PORTUGAL
Thu 9/1812:15 amSID - BOS
1 stop22h 50mTAP AIR PORTUGAL
Deal found 8/14$914
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:10 pmBOS - SID
1 stop26h 05mTAP AIR PORTUGAL
Sun 10/512:45 pmSID - BOS
1 stop34h 20mTAP AIR PORTUGAL
Deal found 8/14$934

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Espargos 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 August 14, 2025.
Use the filters below to find and compare flights from Boston to Espargos that are best for you.

Fly from

Boston

Fly to

Espargos

Route

Depart

Return

Price

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 9/3

6:10 pm-11:15 pm

1 stop26h 05m

Espargos Amilcar Cabral Intl

Tue 9/16

12:15 am-2:20 pm

1 stop17h 05m

$744

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 9/3

6:10 pm-11:15 pm

1 stop26h 05m

Espargos Amilcar Cabral Intl

Thu 9/18

12:15 am-8:05 pm

1 stop22h 50m

$744

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Mon 9/22

6:10 pm-11:15 pm

1 stop26h 05m

Espargos Amilcar Cabral Intl

Thu 10/9

12:15 am-2:20 pm

1 stop17h 05m

$744

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sun 10/12

10:20 pm-11:15 pm

1 stop21h 55m

Espargos Amilcar Cabral Intl

Fri 10/24

12:15 am-8:05 pm

1 stop22h 50m

$841

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sun 9/28

6:10 pm-11:15 pm

1 stop26h 05m

Espargos Amilcar Cabral Intl

Sun 10/5

12:45 pm-8:05 pm

1 stop34h 20m

$934

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 9/3

8:50 pm-6:10 pm

2 stops18h 20m

$497

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Wed 9/3

6:10 pm-11:15 pm

1 stop26h 05m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Boston to Espargos

Have a flexible travel schedule? Discover the best time to fly to Espargos 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 Espargos

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Espargos. Price data was last updated on August 8, 2025.

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Espargos. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Find hourly flight availability from Boston to Espargos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from Boston to Espargos by exploring options for tickets at noon.

Reviews of airlines servicing Espargos

Get insights into the airlines that provide service to Espargos. 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 Espargos. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown TAP AIR PORTUGAL from Boston to Espargos. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
1,947 reviews

Boarding

7.0

Overall

7.1

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
TAP AIR PORTUGAL
7.1
Good
1,947 reviews
TAP AIR PORTUGAL
7.1
Good
1,947 reviews

Boarding

7.0

Overall

7.1

Entertainment

6.3

Comfort

7.1

Crew

7.8

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays

Related info for your journey

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

  • What is the cheapest airline to fly from Boston to Espargos round-trip?

    TAP AIR PORTUGAL, at $770, was found to be the cheapest airline from Boston to Espargos.. Users have found that TAP AIR PORTUGAL is 25% cheaper than the other options available to this destination.

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

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

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

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

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

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

See more FAQs

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Other flights to Espargos

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Top airline flying from Boston to Espargos

Discover the top airline that operate flights from Boston to Espargos. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$770Average$1,095FlexibilityNo cancel feeOn-timeN/A

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