Cheap Flights from St. Louis (STL) to Humacao (HUC)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Humacao (HUC)

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Alternative airports near Humacao

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

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 46 minutes. Flights from $423
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center46 min
Flights from $423
Flights from St. Louis (STL) to Humacao (HUC)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Humacao
Distance
2049 mi

St. Louis to Humacao Flights

The cheapest times to fly from St. Louis to Humacao

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 Humacao are during the month of . You can find some of the cheapest flights from St. Louis to Humacao with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Humacao: 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 Humacao

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 Humacao in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Humacao 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 Humacao 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC) 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 Humacao (HUC)?
is the most affordable month to fly from STL to HUC. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from STL to HUC. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to HUC?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*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 Humacao (HUC)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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.
What airports do you fly into for Humacao from Lambert-St. Louis Intl. Airport (STL)?
Compare your flight options from Lambert-St. Louis Intl. Airport (STL) to Luis Munoz Marin Intl. Airport (SJU). This is the only airport in Humacao you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC) last-minute?
Booking your flight from STL to HUC just before your getaway is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to HUC flight and hotel package?
You'll typically save money by booking a STL to HUC flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Humacao (HUC)?
In most cases, you're able to reschedule or cancel your STL to HUC flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

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