Last set of greatly discounted flights based on current Oneworld promo sale from Europe to USA are very cheap flights from Switzerland to New York. This one is primarly based on service of British Airways where some of the legs (mostly intra European) are on their partners Iberia or American Airlines. Look for flights from Geneva, Zurich or Basel. The cheapest return flights to America are now available from €187. This is incl. all taxes and fees but no checked luggage. (You would have to purchase separately for extra fee). Below you can refer to our booking samples of this Oneworld promotion as well as to links to our previous deals. (From Germany and Austria).
British Airways promotion (together with British Airways) offers the cheapest flights to America when traveling from 9th of January till 31st of March 2019. Max stay 3 months. Book this promo sale by 30th of November or until the cheapest flights last..Need some accommodation in United States of America we recommend service of Booking.com or Hotels.com.
Booking samples - Compare all the cheapest travel dates here
Geneva - New York from €187
Basel - New York from €209
Zurich - New York from €212
Booking sample of Cheap return flights from Switzerland to New York, USA from €187 here. As per above link you would depart from Geneva to New York JFK on 14th of January. Return flight from America back to Switzerland then on 28th of January 2019. Deal is based on discount of British Airways with one layover in London on your way..