$251 Cheap Flights from St. Louis (STL) to Honolulu (HNL)

View $251 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)

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Cheap Flights from St. Louis to Honolulu (STL-HNL)

Prices were available within the past 7 days and start at $251 for one-way flights and $382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sun, Dec 7 - Mon, Dec 8
STL
St. Louis
HNL
Oahu
$382 Roundtrip, found 5 days ago
$382
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sun, Dec 7 from St. Louis to Oahu, returning Mon, Dec 8, priced at $382 found 5 days ago
United
Sun, Feb 1 - Fri, Feb 6
STL
St. Louis
HNL
Oahu
$384 Roundtrip, found 5 days ago
$384
Roundtrip
found 5 days ago
Select United flight, departing Sun, Feb 1 from St. Louis to Oahu, returning Fri, Feb 6, priced at $384 found 5 days ago
American Airlines
Sun, Dec 7 - Mon, Dec 8
STL
St. Louis
HNL
Oahu
$384 Roundtrip, found 5 days ago
$384
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Dec 7 from St. Louis to Oahu, returning Mon, Dec 8, priced at $384 found 5 days ago
Delta
Mon, Jan 26 - Mon, Feb 2
STL
St. Louis
HNL
Oahu
$388 Roundtrip, found 5 days ago
$388
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Jan 26 from St. Louis to Oahu, returning Mon, Feb 2, priced at $388 found 5 days ago
Delta
Sun, Dec 7 - Mon, Dec 8
STL
St. Louis
HNL
Oahu
$394 Roundtrip, found 5 days ago
$394
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Dec 7 from St. Louis to Oahu, returning Mon, Dec 8, priced at $394 found 5 days ago
Alaska Airlines
Sun, Feb 1 - Fri, Feb 6
STL
St. Louis
HNL
Oahu
$397 Roundtrip, found 5 days ago
$397
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Feb 1 from St. Louis to Oahu, returning Fri, Feb 6, priced at $397 found 5 days ago
Southwest Airlines
Sun, Dec 7 - Mon, Dec 8
STL
St. Louis
HNL
Oahu
$401 Roundtrip, found 5 days ago
$401
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sun, Dec 7 from St. Louis to Oahu, returning Mon, Dec 8, priced at $401 found 5 days ago
Alaska Airlines
Mon, Jan 26 - Mon, Feb 2
STL
St. Louis
HNL
Oahu
$404 Roundtrip, found 5 days ago
$404
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Jan 26 from St. Louis to Oahu, returning Mon, Feb 2, priced at $404 found 5 days ago
United
Mon, Feb 2 - Thu, Feb 12
STL
St. Louis
HNL
Oahu
$408 Roundtrip, found 6 days ago
$408
Roundtrip
found 6 days ago
Select United flight, departing Mon, Feb 2 from St. Louis to Oahu, returning Thu, Feb 12, priced at $408 found 6 days ago
United
Tue, Jan 20 - Mon, Jan 26
STL
St. Louis
HNL
Oahu
$416 Roundtrip, found 5 days ago
$416
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jan 20 from St. Louis to Oahu, returning Mon, Jan 26, priced at $416 found 5 days ago

Find the cheapest month to fly from St. Louis (STL) to Honolulu (HNL)

January is typically the cheapest month to fly

From $401 - $640 per traveler.

Alternative airports near Honolulu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Daniel K. Inouye Intl. HNL. Cheapest option available. Flights from $581
HNL
Daniel K. Inouye Intl.
Cheapest
Flights from $581

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL) cost?
Grab a cheap one-way flight from $251 or cheap return flight from $382 from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between STL and HNL. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)?
To find the cheapest airline that'll fly you from STL to HNL, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to HNL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL) last-minute?
Last-minute bookings from STL to HNL are typically more expensive. To secure the lowest prices, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a STL to HNL flight and hotel package?
Securing a STL to HNL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Daniel K. Inouye Intl. Airport (HNL)?
Typically, you can modify or cancel your STL to HNL flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Daniel K. Inouye Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$382
Distance
4122 mi

Book with confidence

St. Louis to Honolulu Flights

The cheapest times to fly from St. Louis to Honolulu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Honolulu are during the month of December. You can find some of the cheapest flights from St. Louis to Honolulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Honolulu

Sunday is one of the best days to book for cheap flights from St. Louis to Honolulu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Honolulu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Honolulu in 2025. You can also book with separate airlines for your outbound and return journeys, from $251 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Honolulu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Honolulu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Honolulu Flights

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*Available to One Key members.