Our cheapest offers for flights from Boston to Spain

Here you can compare cheap flights from Boston (BOS) to Spain for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Spain. Prices and availability may change at any time.

Flights from Boston (BOS) to Barcelona (BCN)

	Outbound	Return	Airlines	Baggage	Price
Boston Barcelona	Outbound 04/21/25 2 Stopovers (LGA, JFK, LHR, STN) VS3277, VS0154, FR8230 44h 05min	Return 05/19/25 2 Stopovers (LGW, BCN) VY7830, VY7821, VY9795 44h 05min	Virgin Atlantic Airways, Ryanair	?	$600
Best option Boston Barcelona	Outbound 04/21/25 direct VY9796 07h 25min	Return 05/19/25 direct VY9795 08h 35min	Vueling Airlines		$734
Boston Barcelona	Outbound 04/21/25 1 Stopover (IST) TK0082, TK1851 19h 35min	Return 05/19/25 1 Stopover (IST) TK1854, TK0081 37h 40min	Turkish Airlines		$641

Flights from Boston (BOS) to Madrid (MAD)

	Outbound	Return	Airlines	Baggage	Price
Boston Madrid	Outbound 04/21/25 1 Stopover (YUL) UA8123, UA8464 18h 40min	Return 05/19/25 1 Stopover (ZRH) LX2033, LX0054 25h 50min	United Airlines	?	$630
Best option Boston Madrid	Outbound 06/10/25 direct IB0348 07h 10min	Return 06/29/25 direct IB0345 08h 20min	Iberia	?	$901
Boston Madrid	Outbound 04/21/25 1 Stopover (YUL) AC8611, AC0834 31h 05min	Return 05/19/25 1 Stopover (ZRH) LX2033, LX0052 30h 20min	Air Canada		$631