Big sale from Boston to many cities across Spain and Portugal with all three alliances. SkyTeam member Air Europe has lowest fares, with nonstop flights to Madrid. Oneworld and Star Alliance have lowest fares to some cities.
Lowest fares in the $390s and low $400s are for travel in May and from mid-August to February 2018.
Air Europa even has Porto and Lisbon under $600 round trip for July travel.
More than a dozen cities across Spain have low fares, along with Lisbon, Porto and Azores island airports of Portugal.
Momondo.com search
Air Europa Boston BOS – Madrid MAD – Boston BOS
$393.13 round trip Wed Aug 23 – Wed Aug 30
Iberia Airlines Boston BOS – Madrid MAD – Palma Mallorca PMI – MAD – BOS
$421.00 Sun May 7 – Fri May 19
Lufthansa ticket for Swiss Airlines operated flights
Boston BOS – Zurich ZRH – Madrid MAD – Zurich ZRH – Boston BOS
$431.53 round trip Tue Aug 29 – Fri Sep 8
[…] Boston to Spain/Portugal as low as $390 R/T: All three alliances are part of this deal. Eligible dates are in May 2017, then mid August 2017 through February 2018. Several destination cities in Spain and Portugal included as well. If you live in the Boston area, or could position yourself there quite easily, this is a great deal to take advantage of. […]