The Hammers were dumped out of the Europa League by Astra in the qualification stages, and Bilic admits he was disappointed with his side’s poor showing in the competition at the time.
However, the Croatian boss believes that West Ham have benefitted from not having to cope with the fixture pile-up caused by playing in Europe.
The Hammers are currently in sixth place in the Premier League table, and Bilic has now publicly admitted that claiming a European spot has become a target for his side this season.
"It's definitely moving that way [that West Ham are aiming for Europe],” he said.
"We're disappointed how we played in the Europa League earlier in the season - but looking back maybe it was a good thing. We've got high ambitions.”
West Ham have been rather inconsistent under Bilic, but there have been plenty of reasons to be positive.
The Hammers have highlighted their quality by beating some of England’s biggest sides this season, and they completed an impressive double over Liverpool at the weekend.
West Ham beat Jurgen Klopp’s side 2-0 on Saturday, to follow up the 3-0 triumph they collected at Anfield earlier in the campaign.