Both Momondo and Google Flights are decent alternatives for finding good flights, although Hipmunk’s visualization feature is better than both. Momondo had to

Both Momondo and Google Flights are decent alternatives for finding good flights, although Hipmunk’s visualization feature is better than both. Momondo had to monetize a little in the past year, and now includes a little bit of referral spam, but still produces good results, their sort by “best” feature is usually helpful!