The cheapest times to fly from BOS to CPX are

  • January 1st to February 11th
  • August 6th to December 16th

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 BOS to CPX is mid October. Prices can be as high as $1193 for Sunday flights during late December, or as low as $438 for Tuesday flights around mid October.


When to Fly to Culebra

Flying from Boston, MA (BOS) to Culebra, PR (CPX) will usually cost between $458 to $935 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $445. Due to high demand the most expensive time to fly is late December, with an average price of $932. Planning your trip to low-cost times can easily save you $487 on economy flights and even more on first-class flights. Generally, any price below $614 can be considered a good price for a round-trip BOS to CPX flight.

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

BOS to CPX Flight Prices

Compared to other flights, the BOS to CPX flight is cheaper than the average and costs less than the average flight leaving from Boston. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $111 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $584. Return trip prices are from the CPX to BOS 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 BOS to CPX can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 2 minutes may not 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 not usually a nonstop flight from BOS to CPX while comparing.

Destination alternative #1: Luis Munoz Marin International Airport (SJU) in San Juan, PR

  • 47 miles (76 km) away from CPX
  • Usually 41.97% less expensive than CPX
  • Nonstop flights available

See BOS to SJU flights

Destination alternative #2: Cyril E King Airport (STT) in Charlotte Amalie, VI

  • 22 miles (35 km) away from CPX
  • Usually 34.07% less expensive than CPX
  • Nonstop flights available

See BOS to STT flights

Destination alternative #3: Princess Juliana International Airport (SXM) in Philipsburg

  • 145 miles (233 km) away from CPX
  • Usually 35.37% less expensive than CPX
  • Nonstop flights available

See BOS to SXM flights

Destination alternative #4: Mercedita Airport (PSE) in Ponce, PR

  • 85 miles (137 km) away from CPX
  • Usually 31.38% less expensive than CPX
  • 1-layover flights available

See BOS to PSE flights

Destination alternative #5: Rafael Hernandez Airport (BQN) in Aguadilla, PR

  • 120 miles (193 km) away from CPX
  • Usually 27.38% less expensive than CPX
  • 1-layover flights available

See BOS to BQN flights

Destination alternative #6: Eugenio Maria de Hostos Airport (MAZ) in Mayaguez, PR

  • 121 miles (195 km) away from CPX
  • Usually 15.00% less expensive than CPX
  • 1-layover flights available

See BOS to MAZ flights


Flight Hacking BOS to CPX

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 BOS to CPX — but Champion Traveler does!

Hack #1: San Juan, PR (BOS > SJU > CPX)

  • Price for both tickets: $557
  • Average savings: $57 (9.21%)

See BOS to SJU flights


Flight Questions Answered

Still have questions about flying from BOS to CPX? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, Cape Air, Delta, JetBlue, Seaborne Airlines, United, and potentially more during busy seasons.

How far away is it from Benjamin Rivera Noriega Airport to Logan International Airport?

The distance between the two airports is roughly 1695 miles or 2728 kilometers.

How long does it take to fly from BOS to CPX?

The real-world flight time for a nonstop BOS to CPX flight is about 4 hour 2 minutes.

How many flights go between Boston, MA and Culebra, PR?

It depends on the day of the week and the date, but a typical day might have around 68 available flights from BOS to CPX.


Airport Location Info


Departing Airport

Origination codeBOS
Origination airport nameLogan International Airport
CityBoston, MA
Countrythe United States

Return Airport

Destination codeCPX
Destination airport nameBenjamin Rivera Noriega Airport
CityCulebra, PR
Countrythe United States


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.