Oneworld partners Iberia and American Airlines offer greatly discounted non-stop flights from Spain to USA! At this moment you can book cheap flights from Madrid to New York €252 or Los Angeles €287 also Barcelona to New York from €264. Fare shown is for a roundtrip ticket including all taxes and fees however excluding checked luggage. We are also adding our previous solution from Barcelona to San Francisco based on Iberia / LEVEL..
If interested in this American Airlines / Iberia promotion look for flights departing from Spain to USA from 28th of October to 7th of December 2018 or 14th of January to 28th of March 2018. (Also latest date of your return flight from America). Max stay 3 months. If interested please refer below to our booking samples.
Booking samples
Spain - New York from €290 (Directly with Iberia or compare all travel dates)
Madrid - New York from €252
Barcelona - New York from €264
Madrid - Los Angeles for €327 (Directly with Iberia or compare all travel dates)
Madrid - Los Angeles from €287
Barcelona - San Francisco from €219
Booking sample of cheap non-stop flights from Spain to USA (New York, Los Angeles) from €252 here. As per above link to this deal your outbound flight from Madrid to New York JFK would be on 16th of February. Inbound flight from America back to Spain then on 3rd of March 2019.