Boston to Barcelona or Madrid, Spain from only $389 roundtrip

Flight deals from Boston to Barcelona or Madrid, Spain | Secret Flying
Missed the deal?

Download the FREE Secret Flying smartphone app to receive instant alerts the moment we publish a flight deal.

You'll never miss a Secret Flying deal again.

Cheap flights from Boston to Barcelona or Madrid, Spain from only $389 roundtrip with Delta.


Boston, USA


Barcelona/Madrid, Spain


Boston, USA


Availability from January to March 2018

Example dates:


Boston – Barcelona: $389
20th-27th Jan
20th-28th Jan
20th-29th Jan
20th Jan – 1st Feb
1st-9th Feb
1st-10th Feb
1st-11th Feb
1st-12th Feb
2nd-11th Feb
2nd-12th Feb
3rd-10th Feb
3rd-11th Feb
4th-11th Feb
4th-12th Feb
4th-15th Feb
4th-16th Feb
8th-15th Feb
8th-16th Feb
8th-17th Feb
10th-17th Feb
10th-18th Feb


Boston – Madrid: $394
20th-28th Jan
20th-31st Jan
22nd-30th Jan
22nd-31st Jan
22nd Jan – 2nd Feb
23rd-30th Jan
23rd-31st Jan
23rd Jan – 2nd Feb
30th Jan – 6th Feb
30th Jan – 7th Feb
30th Jan – 9th Feb
1st-9th Feb
1st-13th Feb
5th-13th Feb
5th-14th Feb
5th-16th Feb
6th-13th Feb
6th-14th Feb
6th-16th Feb
6th-18th Feb
8th-16th Feb
8th-20th Feb
20th-27th Feb
20th-28th Feb
20th Feb – 4th Mar

and more…


New York


Delta Air Lines




Allow the search to complete, then click an OTA to view the advertised price:



Find a hotel to go with your flight to