US cities to Barcelona, Spain from only $358 roundtrip (Nov-Mar dates)
Cheap flights from US cities to Barcelona, Spain from only $358 roundtrip with United Airlines.
Detroit, USA → Barcelona, Spain
Big sale from the USA to Europe from only $351 roundtrip
United Airlines have put many USA to Europe routes on sale. For example, fly non-stop from Chicago to Amsterdam, Netherlands for only $351 roundtrip with United Airlines (see image below).
Atlanta, Detroit, Minneapolis or Cincinnati to many Spanish cities from only $396 roundtrip
American Airlines have put Atlanta, Detroit, Minneapolis or Cincinnati to many Spanish cities on sale. For example, fly from Atlanta to Ibiza, Spain for only $396 roundtrip.
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