Originally Posted by boulderflyer21
Can you explain the 1K upgrades a little better
You can upgrade any fare on international with the SWU's?
Then it would be worth it because I have many more international flights.
Basicly, yes!
Official fare list from UA.com:
Upgradeable Booking Classes fares: This upgrade may be used on United Business booking classes (C, D) and United Economy booking classes (Y, B, E, M, U, H, Q, V, W, S, T, K, L) for travel in Region 1. This upgrade may be used on United Business booking classes (C, D) and United Economy booking classes fares
(Y, B, E, M, U, H, Q, V, W) for travel in Region 2.
(added underline for international - region 2 - fares)
http://www.united.com/page/article/1...d%20Conditions