The cheapest times to fly from SID to SLP are

  • January 8th to February 4th
  • March 19th to July 15th
  • September 17th to October 14th

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 SID to SLP is mid May. Prices can be as high as $8653 for Wednesday flights during late October, or as low as $1929 for Monday flights around mid May.


When to Fly to San Luis Potosí

Flying from Sal Island (SID) to San Luis Potosi (SLP) will usually cost between $2052 to $5888 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $2016. Due to high demand the most expensive time to fly is late October, with an average price of $6111. Planning your trip to low-cost times can easily save you $4095 on economy flights and even more on first-class flights. Generally, any price below $3509 can be considered a good price for a round-trip SID to SLP flight.

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

SID to SLP Flight Prices

Compared to other flights, the SID to SLP flight is more expensive than the average and costs slightly more than the average flight leaving from Sal. The average price per mile (for a direct flight) is $0.43, which is a bit above average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Wednesdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $1067 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $3181. Return trip prices are from the SLP to SID 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 SID to SLP can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 10 hour 3 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SID to SLP while comparing.

Destination alternative #1: Queretaro Intercontinental Airport (QRO) in Queretaro

  • 123 miles (198 km) away from SLP
  • Usually 36.76% less expensive than SLP
  • Nonstop flights available

See SID to QRO flights

Destination alternative #2: Guanajuato International Airport (BJX) in Leon/Guanajuato

  • 94 miles (151 km) away from SLP
  • Usually 3.85% less expensive than SLP
  • Nonstop flights available

See SID to BJX flights


Flight Hacking SID to SLP

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 SID to SLP — but Champion Traveler does!

Hack #1: Boston, MA (SID > BOS > SLP)

  • Price for both tickets: $1501
  • Average savings: $2009 (57.24%)

See SID to EWR flights

Hack #2: Newark, NJ (SID > EWR > SLP)

  • Price for both tickets: $1936
  • Average savings: $1574 (44.84%)

See SID to BOS flights

Hack #3: New York, NY (SID > JFK > SLP)

  • Price for both tickets: $1970
  • Average savings: $1539 (43.87%)

See SID to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aeromar, Air Canada, American, Azores Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Ponciano Arriaga International Airport to Amilcar Cabral International Airport?

The distance between the two airports is roughly 5038 miles or 8108 kilometers.

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

The real-world flight time for a nonstop SID to SLP flight is about 10 hour 3 minutes.

How many flights go between Sal Island and San Luis Potosi?

It depends on the day of the week and the date, but a typical day might have around 23 available flights from SID to SLP.


Airport Location Info


Departing Airport

Origination code SID
Origination airport name Amilcar Cabral International Airport
City Sal Island
Country Cape Verde
Latitude 16.7
Longitude -22.9

Return Airport

Destination code SLP
Destination airport name Ponciano Arriaga International Airport
City San Luis Potosi
Country Mexico
Latitude 22.3
Longitude -100.9


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.