You can earn up to double award miles when you fly between San Francisco and Tokyo Haneda.
- Register for this promotion on united.com before you travel.
- Fly between October 26, 2014, and December 31, 2014.
- Offer is valid for roundtrip travel between San Francisco and Tokyo Haneda on nonstop flights marketed and operated by United.
- This applys for tickets issued between September 5, 2014 and December 31, 2014.
More details, please visit here.