Also, for arguments sake, just try booking a 1 way from GRU-GIG and see what happens.
Originally Posted by
SEA1K4EVR
UA is not permitted to sell flights intra-Brazil. You can only take the GRU-GIG/GIG-GRU flights if it's part of a connection to/from the US. That's why it doesn't come up when you try and book it as a one way. Similarly.. you can't purchase flights on UA from SYD-MEL in Australia.. but they do fly it.
Note flight 861 in the above example IAD-GIG shows a stop in GRU.
okay thanks. that explains that part. however, it still doesn't explain why the AUS-IAD-GRU-GIG option is not available on united.com.