BOS - SID

$488 Find Cheap Flights from Boston to Espargos - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$952
Typical prices: $922-$1,350
TAP AIR PORTUGAL
Fri 1/19Thu 1/25
BOS - SID • 1 stop
Cheapest one-way
$488
Typical prices: $571-$978
Multiple Airlines
Thu 9/20
BOS - SID • 2 stops
When to travel
February
Cheapest • 30% price drop
January
Most popular
Good to know
+1
Good to know
+1
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Booking Insights
Flight Deals

Cheap Flights from Boston to Espargos (BOS-SID)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Espargos

Wed, Jan 20 - Wed, Jan 27
TAP AIR PORTUGAL Logo
6:00 pm - 12:05 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
26h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:30 pm - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
29h 10m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Tue, Jan 19 - Wed, Jan 27
TAP AIR PORTUGAL Logo
6:00 pm - 12:25 pmBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
14h 25m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Wed, Jan 20 - Tue, Jan 26
Multiple Airlines Logo
9:50 pm - 12:20 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
22h 30m3 stops Zurich Lisbon Humberto Delgado Porto
Multiple Airlines Logo
1:05 am - 8:20 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
23h 15m2 stops Lisbon Humberto Delgado Zurich
$952Multiple Airlines
Tue, Jan 19 - Tue, Jan 26
TAP AIR PORTUGAL Logo
6:00 pm - 12:05 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
26h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Tue, Jan 19 - Mon, Jan 25
TAP AIR PORTUGAL Logo
6:00 pm - 12:25 pmBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
14h 25m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Wed, Jan 20 - Wed, Jan 27
TAP AIR PORTUGAL Logo
6:00 pm - 12:05 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
26h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 7:55 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
22h 50m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Wed, Jan 20 - Mon, Jan 25
TAP AIR PORTUGAL Logo
6:00 pm - 12:05 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
26h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$952TAP AIR PORTUGAL
Wed, Jan 20 - Tue, Jan 26
TAP AIR PORTUGAL Logo
6:00 pm - 12:20 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
26h 20m2 stops Lisbon Humberto Delgado Porto
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$968TAP AIR PORTUGAL
Thu, Jan 21 - Mon, Jan 25
TAP AIR PORTUGAL Logo
10:10 pm - 12:05 amBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
21h 55m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
1:05 am - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
17h 35m1 stop Lisbon Humberto Delgado
$972TAP AIR PORTUGAL
Sun, Jan 17 - Wed, Jan 27
Multiple Airlines Logo
10:45 pm - 5:10 pmBOS  Boston Logan Intl-SID Espargos Amilcar Cabral Intl
14h 25m1 stop Porto
Multiple Airlines Logo
5:55 pm - 2:40 pmSID  Espargos Amilcar Cabral Intl-BOS Boston Logan Intl
24h 45m2 stops Porto Lisbon Humberto Delgado
$979Multiple Airlines
Booking Insights

Price, demand and travel trends for Boston to Espargos flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Espargos with more confidence.

How much is a round-trip flight from Boston to Espargos?

Round-trip flights from Boston to Espargos start at $952. Prices are typical for this route right now, with typical round-trip fares ranging from $922 to $1,350. The lowest price found in the past 5 days was $952 on TAP AIR PORTUGAL.

What's the cheapest day of the week to fly from Boston to Espargos?

Monday is the cheapest day of the week to fly from Boston to Espargos, it is 29% cheaper than the average day. Wednesday is the most expensive day with flight prices 26% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Espargos?

  • February is the cheapest month to fly from Boston to Espargos at $875 round-trip.
  • June ($1,893) and July ($1,431) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 116% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Boston to Espargos flights

Low season

October

Cheapest flight

$488
Best time to beat the crowds with an average 27% drop in price.
Flight from Boston to Espargos

When to book flights from Boston to Espargos

Are your dates flexible? Find out the best times to travel from Boston to Espargos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Espargos flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boston to Espargos?

    Flights from Boston to Espargos usually depart from Boston Logan Intl (BOS) and arrive at Espargos Amilcar Cabral Intl (SID).

  • What cabin classes can I book on flights from Boston to Espargos?

    Two cabin classes are available on flights from Boston to Espargos:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Boston to Espargos pass through?

    Most connecting flights from Boston to Espargos pass through Lisbon Humberto Delgado (LIS), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Boston to Espargos?

    Yes. Being flexible with your travel dates can save you up to 44% on the Boston to Espargos route. Monday is the cheapest departure day at $893 round-trip on average, while Wednesday is the most expensive at $1,576, a difference of $683. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from Boston to Espargos?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boston to Espargos changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $952 to $3,591. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Boston to Espargos looking right now?

    One-way fares from Boston to Espargos are currently lower than usual. Average one-way flight prices are about $579, which is 34% below the typical average for this route.

  • What is the time difference between Boston and Espargos?

    Espargos is 3 hours ahead of Boston (Cape Verde Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Boston to Espargos flight?

    Round-trip flights from Boston to Espargos range from $922 to $1,350, with an average of $1,250 over the past 12 months. Anything below $922 counts as a good deal.

Your guide to booking Boston to Espargos flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Wednesday. On this route, Monday flights average $893 - about $683 less than Wednesday (43% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boston to Espargos trip for February. Fares historically average $875 round-trip in that month - typically $1,018 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Espargos Amilcar Cabral Intl Airport.
    - Atlantico

Everything you need to know for your flight from Boston to Espargos

Information on your arrival and departure airports

Boston (BOS)
Espargos (SID)