$247 Cheap American Airlines flights St. Louis (STL) to Honolulu (HNL)

Make use of the “Price (lowest to highest)” filter on Expedia to find cheap American Airlines return flights from $472 from STL to HNL. Affordable one-way tickets from $247 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to Honolulu are generally cheaper in the off-peak months of November and October. Whether you need a return or one-way ticket, you could find a better deal then.

Start searching one to three months before your departure to score cheaper fares on American Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to browse any direct flights from STL to HNL with American Airlines or another airline.

Browse American Airlines’s earliest flights from STL to HNL by selecting our “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Honolulu, and you’ll likely touch down at Daniel K. Inouye Intl. Airport (HNL). This is the airline’s primary hub here.

Typically, you can reschedule or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Need flexible options? Use our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you need to revise your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for more details.