The cheapest times to fly from BUF to SID are

  • January 1st to April 1st
  • April 16th to May 20th (except the week of May 7th)
  • September 10th to October 7th
  • November 5th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BUF to SID is early December. Prices can be as high as $5890 for Friday flights during early to mid August, or as low as $1108 for Wednesday flights around early December.


When to Fly to Sal

Flying from Buffalo, NY (BUF) to Sal Island (SID) will usually cost between $1289 to $3324 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $1277. Due to high demand the most expensive time to fly is early to mid August, with an average price of $3524. Planning your trip to low-cost times can easily save you $2247 on economy flights and even more on first-class flights. Generally, any price below $1471 can be considered a good price for a round-trip BUF to SID flight.

See below for a graph of average weekly prices for the BUF to SID route. All prices are for round-trip tickets in USD.

BUF to SID Flight Prices

Compared to other flights, the BUF to SID flight is slightly more expensive than the average and costs more than the average flight leaving from Buffalo. The average price per mile (for a direct flight) is $0.25, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Sal, and Sundays are the most expensive days to return to Buffalo. Selecting flights on the least expensive days could save you up to $428 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1432. Return trip prices are from the SID to BUF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BUF to SID can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 40 minutes may not be realistic.


Flight Hacking BUF to SID

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BUF to SID — but Champion Traveler does!

Hack #1: Dublin (BUF > DUB > SID)

  • Price for both tickets: $1171
  • Average savings: $300 (20.39%)

See BUF to DUB flights

Hack #2: Boston, MA (BUF > BOS > SID)

  • Price for both tickets: $1234
  • Average savings: $238 (16.15%)

See BUF to BOS flights

Hack #3: London (BUF > LGW > SID)

  • Price for both tickets: $1272
  • Average savings: $200 (13.56%)

See BUF to LGW flights


Flight Questions Answered

Still have questions about flying from BUF to SID? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air France, American, Azores Airlines, Brussels Airlines, Delta, Iberia, JetBlue, KLM, Lufthansa, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Amilcar Cabral International Airport to Buffalo Niagara International Airport?

The distance between the two airports is roughly 3717 miles or 5982 kilometers.

How long does it take to fly from BUF to SID?

The real-world flight time for a nonstop BUF to SID flight is about 7 hour 40 minutes.

How many flights go between Buffalo, NY and Sal Island?

It depends on the day of the week and the date, but a typical day might have around 3 available flights from BUF to SID.


Airport Location Info


Departing Airport

Origination codeBUF
Origination airport nameBuffalo Niagara International Airport
CityBuffalo, NY
Countrythe United States

Return Airport

Destination codeSID
Destination airport nameAmilcar Cabral International Airport
CitySal Island
CountryCape Verde


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.