United is offering 1000 miles for a roundtrip costing $350 or more domestically ($700 or more internationally) through May 15.
- Earn 1,000 bonus miles when you register, then purchase and fly qualifying roundtrip travel in the amount of at least $350 domestic, or at least $700 international,** anywhere United, United Express®, or Ted(SM) flies between February 16 and May 15, 2007.