Update: Some offers mentioned below are no longer available. View the current offers here.Want to see the latest flight deals as soon as they’re published? Follow The Points Guy on Facebook and Twitter, and subscribe to text message alerts from our deals feed, @tpg_alerts.Update: Both American Airlines and Delta have matched United’s fares to Hong Kong from several US cities including New York, Los Angeles and San Francisco. We’re now seeing economy fares from $330 round-trip and business from $2670 round-trip from San Francisco on Delta.Airfare deals are typically only available on limited dates. We recommend that you use Google Flights to find dates to fly, then book through an online travel agency, such as Orbitz, which allows you to cancel flights without penalty by 11pm Eastern Time within one day of booking. Remember: Fares may disappear quickly, so book right away and take advantage of Orbitz’s courtesy cancellation if you’re unable to travel. Additionally, keep in mind that discounted partner fares may not earn miles with US-based carriers.If you’ve been wanting to explore one of the world’s most dynamic cities, check out these incredible fares to Hong Kong. We’re seeing nonstop flights for as little as $488 round-trip on United from San Fransisco (SFO), Newark (EWR) and Chicago (ORD), valid for departures from September 1 through early December. Both American and Delta have responded by beginning a fare war with United — advertising fares from $330 round-trip from many cities including United hubs.Airline: United, Delta, AmericanRoute: US cities to Hong Kong (HKG)Cost: $330 round-trip in economyDates: September - December 2016Booking Link: OrbitzPay With: American Express Premier Rewards Gold, Citi Prestige or Chase Sapphire PreferredHere are some examples of what you can book:San Francisco (SFO) to Hong Kong (HKG) for $330 round-trip on Delta in September:San Francisco (SFO) to Hong Kong (HKG) for $330 round-trip on Delta.Seattle (SEA) to Hong Kong (HKG) for $373 round-trip on United in September: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.Seattle (SEA) to Hong Kong (HKG) for $373 round-trip on United.Newark (EWR) to Hong Kong (HKG) for $488 round-trip on United in November:Newark (EWR) to Hong Kong (HKG) for $488 round-trip on United.Los Angeles (LAX) to Hong Kong (HKG) for $533 round-trip on American in September:Los Angeles (LAX) to Hong Kong (HKG) for $533 round-trip on American.Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as the American Express Premier Rewards Gold or Citi Prestige (3x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.If you’re able to score one of these tickets, please share the good news in the comments below!H/T: The Flight Deal