I'm totally new to FT and to award booking in general, but I'm hoping I might be able to get a little advice. I'm spending the summer in Sweden (yay!) and have just about enough OnePass miles for a round-trip flight from Chicago—as long as I can snag a Saver Pass award. It looks like there are seats available for when I want to fly out, but I can't find anything available on either the CO website or ANA for my ideal return date (or a few days out). Is there any chance that calling CO on the phone will turn up anything, or have I already exhausted my options by searching both CO and ANA?

My dates:
ORD-ARN May 24th
ARN-ORD July 28th