Update: Some offers mentioned below are no longer available. View the current offers here.For amazing deals like these, be sure to follow TPG on Twitter, Facebook and Instagram, and follow our special TPG Alerts twitter feed.Per this Flyertalk thread, United Airlines is offering some cheap fares between San Francisco and Hong Kong starting at $550-$725 roundtrip for dates this Spring and Summer.Finding Airfares Using the ITA MatrixOne of the most useful tools for searching airfares quickly is the this post for tips on how to use it.However, you can’t book these flights using the iTA Matrix, so you’d then have to search for these flights on another site like United or Orbitz.Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Fly from SFO-HKG for $546 roundtrip.Reminder: You can bank extra credit card points by using a card that maximizes airfare purchases, like 3x on airfare with the American Express® Gold Card or 2x on the Chase Sapphire Preferred. Check out this post for more on maximizing airfare purchases.These fares book into United’s S and K classes, so unfortunately they aren’t upgradable with Global Premier Upgrades. Since United recently switched to a revenue based loyalty program, as a MileagePlus member you would only earn around 2,270 MileagePlus miles. You can also check out this post on Alternatives For Banking United Flights To Partner Airlines.For more info on Hong Kong, check out Destination of the Week: Hong Kong as well as my Hotel Review: W Hong Kong.If you’re able to score one of these cheap flights to Hong Kong, please share the good news and your travel plans in the comments below!Hat Tip: mspel on Flyertalk[card card-name=‘United MileagePlus® Explorer Card’ card-id=‘22035884’ type=‘javascript’ bullet-id=‘1’]