The cheapest times to fly from SDR to BOS are

  • January 8th to May 20th (except the week of April 9th)
  • October 15th 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 SDR to BOS is early to mid May. Prices can be as high as $1376 for Sunday flights during early August, or as low as $469 for Monday flights around early to mid May.


When to Fly to Boston

Flying from Santander (SDR) to Boston, MA (BOS) will usually cost between $485 to $1140 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid May with an average ticket price of $503. Due to high demand the most expensive time to fly is early August, with an average price of $1157. Planning your trip to low-cost times can easily save you $655 on economy flights and even more on first-class flights. Generally, any price below $651 can be considered a good price for a round-trip SDR to BOS flight.

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

SDR to BOS Flight Prices

Compared to other flights, the SDR to BOS flight is cheaper than the average and costs less than the average flight leaving from Santander. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to BOS, and Wednesday the cheapest day to fly back into SDR. Sundays are the most expensive days to fly to Boston, and Saturdays are the most expensive days to return to Santander. Selecting flights on the least expensive days could save you up to $107 (13%) 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 $681. Return trip prices are from the BOS to SDR 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 SDR to BOS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 6 hour 56 minutes may not be realistic.


Flight Hacking SDR to BOS

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 SDR to BOS — but Champion Traveler does!

Hack #1: Madrid (SDR > MAD > BOS)

  • Price for both tickets: $421
  • Average savings: $230 (35.33%)

See SDR to BCN flights

Hack #2: Barcelona (SDR > BCN > BOS)

  • Price for both tickets: $447
  • Average savings: $205 (31.41%)

See SDR to MAD flights

Hack #3: Malaga (SDR > AGP > BOS)

  • Price for both tickets: $602
  • Average savings: $50 (7.6%)

See SDR to AGP flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: American, British Airways, Finnair, Iberia, JetBlue, Tap Air Portugal, and potentially more during busy seasons.

How far away is it from Logan International Airport to Santander Airport?

The distance between the two airports is roughly 3304 miles or 5317 kilometers.

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

The real-world flight time for a nonstop SDR to BOS flight is about 6 hour 56 minutes.

How many flights go between Santander and Boston, MA?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from SDR to BOS.


Airport Location Info


Departing Airport

Origination codeSDR
Origination airport nameSantander Airport

Return Airport

Destination codeBOS
Destination airport nameLogan International Airport
CityBoston, MA
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.