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Espargos

$710+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SID
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$817
(FlightHub)

One-way from

$710
(oojo)

Popular in

December

Cheapest in

November

Average price

$829
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 ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:00 pmBOS - SID
2 stops30h 45mMultiple Airlines
Sun 10/512:15 amSID - BOS
1 stop17h 05mMultiple Airlines
Deal found 9/10$985
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:10 pmBOS - SID
1 stop26h 05mTAP AIR PORTUGAL
Sun 10/512:15 amSID - BOS
1 stop17h 05mTAP AIR PORTUGAL
Deal found 9/10$998
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/2511:50 pmBOS - SID
1 stop21h 15mMultiple Airlines
Sat 11/16:45 pmSID - BOS
2 stops29h 25mMultiple Airlines
Deal found 9/10$1,014
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:10 pmBOS - SID
1 stop26h 05mTAP AIR PORTUGAL
Thu 10/912:15 amSID - BOS
1 stop17h 05mTAP AIR PORTUGAL
Deal found 9/10$1,027
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Thu 10/910:25 pmBOS - SID
1 stop21h 50mTAP AIR PORTUGAL
Wed 10/1512:10 amSID - BOS
1 stop17h 10mTAP AIR PORTUGAL
Deal found 9/11$1,086
This Mytrip deal was found by Cheapflights users on 9/11. 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.
Thu 10/910:20 amBOS - SID
3 stops25h 05mMultiple Airlines
Wed 10/1512:10 amSID - BOS
1 stop17h 10mMultiple Airlines
Deal found 9/11$1,090
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/8. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:45 pmBOS - SID
1 stop21h 30mTAP AIR PORTUGAL
Sun 10/512:15 amSID - BOS
1 stop17h 05mTAP AIR PORTUGAL
Deal found 9/8$1,138

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 September 11, 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

Sat 10/25

11:50 pm-12:05 am

1 stop21h 15m

Espargos Amilcar Cabral Intl

Sat 11/1

6:45 pm-9:10 pm

2 stops29h 25m

$1,014

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

$1,027

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Thu 10/9

10:25 pm-11:15 pm

1 stop21h 50m

Espargos Amilcar Cabral Intl

Wed 10/15

12:10 am-2:20 pm

1 stop17h 10m

$1,086

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Thu 10/9

10:20 am-2:25 pm

3 stops25h 05m

Espargos Amilcar Cabral Intl

Wed 10/15

12:10 am-2:20 pm

1 stop17h 10m

$1,090

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Fri 10/3

10:45 pm-11:15 pm

1 stop21h 30m

Espargos Amilcar Cabral Intl

Sun 10/5

12:15 am-2:20 pm

1 stop17h 05m

$1,138

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sun 3/8

7:05 pm-12:05 am

1 stop26h 00m

$710

BostonEspargos

BOS - SID

BOSSID

Boston Logan Intl

Sun 3/8

5:25 pm-4:15 pm

3 stops19h 50m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 29, 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 September 11, 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.

How much does it cost to fly round-trip from Boston to Espargos?

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 September 11, 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
1,977 reviews

Entertainment

6.3

Food

6.2

Boarding

7.0

Comfort

7.1

Overall

7.1

Crew

7.8

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
1,977 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews

Entertainment

6.3

Food

6.2

Boarding

7.0

Comfort

7.1

Overall

7.1

Crew

7.8

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.

  • How long is the flight from Boston to Espargos?

    TAP AIR PORTUGAL can get you from Boston to Espargos in just under 26h 05m. Your travel time can differ by up to . The distance from Boston to Espargos is about 3325 mi.

  • 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

Explore flights to Espargos departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2025.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$770Average$1,102FlexibilityNo cancel feeOn-timeN/A

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