$535 Cheap Flights from Alicante (ALC) to St. Louis (STL)

View $535 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Alicante Intl. Airport (ALC) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Alicante to St. Louis (ALC-STL)

Prices were available within the past 7 days and start at $535 for one-way flights and $1,041 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Sat, Oct 11 - Wed, Oct 15
ALC
Alicante
STL
St. Louis
$1,041 Roundtrip, found 3 days ago
$1,041
Roundtrip
found 3 days ago
Select Iberia flight, departing Sat, Oct 11 from Alicante to St. Louis, returning Wed, Oct 15, priced at $1,041 found 3 days ago
Aer Lingus
Tue, Oct 28 - Mon, Dec 1
ALC
Alicante
STL
St. Louis
$1,632 Roundtrip, found 3 days ago
$1,632
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Tue, Oct 28 from Alicante to St. Louis, returning Mon, Dec 1, priced at $1,632 found 3 days ago
Flights from Alicante (ALC) to St. Louis (STL)
Origin airport
Alicante Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$1,041
Distance
4633 mi

Alicante to St. Louis Flights

The cheapest times to fly from Alicante to St. Louis

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

 

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

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

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 Alicante to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $535 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 Alicante to St. Louis 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 Alicante to St. Louis 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 Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $535 or cheap return flight from $1,041 from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from ALC to STL is October, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from ALC to STL. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to take a flight with a layover when traveling from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ALC to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL)?
To touch down at Lambert-St. Louis Intl. Airport (STL) on time, select a flight that takes off from Alicante Intl. Airport (ALC) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from ALC to STL are typically more expensive. For the lowest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book an ALC to STL flight and hotel package?
You'll typically save money by securing an ALC to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Alicante Intl. Airport (ALC) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your ALC to STL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.