Instead of ending in Europe, it is possible to end your trip in Asia or Australia for a little more.
Dallas – Johannesburg – Beijing for $570
Dallas – Johannesburg – Sydney: $657
(see screenshots below)
Super cheap open-jaw flights from many US cities to South Africa, then on to Europe for only $385 with Qatar Airways.
Add a one-way flight from Europe back to the US (e.g. this amazing deal from Oslo to Boston) and this can be an incredibly cheap 2 in 1 trip.
Depart from: New York – Boston – Dallas – Philadelphia.
Fly to: Johannesburg – Durban.
Then fly on to most major European cities (Warsaw, Poland is the cheapest).
Availability from March 2016 to January 2017 (excluding summer)
Due to the huge number of possible routes, there will no example dates from us.
It is extremely easy to find dates/cities using Google Flights.
First, find your flight on Google Flights.
Then, search on Priceline using the “Multi-Destinations” option:
Dallas – Johannesburg – Warsaw
Dallas – Johannesburg – Beijing
Dallas – Johannesburg – Sydney