Chicago to London on AA/BA for $553 r/t

American Airlines and British Air are offering flights from Chicago ORD to London LHR for $553 round-trip, from September 2016 all the way to May 2017. Christmas and New Year’s are excluded from this low fare.

http://www.secretflying.com/2016/06/non-stop-from-chicago-to-london-uk-for-only-553-roundtrip/

Low Fares to London
Low Fares to London

London is a fun city to visit, and from there you can take flights on ultra-low-cost carriers to other cities in Europe and Africa.