You might not save in the end but if you want to visit more cities on your way consider this solution with Oneworld carriers. and book British Airways cheap open-jaw flights to New York already for €266! Look for flights departing from Norway (Oslo) and returning to Germany (cheapest to Berlin, Munich, Dusseldorf or Frankfurt). Remember you can not skip first leg of your outbound flight Sweden – London or Helsinki. Rest of your itinerary would be cancelled. Fare is including all taxes and 23kg checked bag. Depends on the route you choose it may be operated by British Airways, Finnair or American Airlines.
If interested in this promo deal with British Airways you will find plenty of travel options between January and March 2018. Discount is applicable to bookings made by 5th of December or until sold out. Below you can refer to our booking samples..
London – USA from £270 (BA non-stop flights)
Scandinavia – New York from €219 (SAS non-stop flights)
Brussels -New York from €324 (Delta or Brussels Airlines non-stop flights)
Milan / Rome – New York from €342 (Alitalia non-stop flights)
Milan – New York from €371 (Emirates non-stop flights)
Booking sample of cheap British Airways cheap open-jaw flights to New York from €266! In this case you would depart from Oslo to USA on 6th of March. Your return flight from North America to Berlin (via London) would be then on 20th of March 2018.