Cheap Flights from St. Louis (STL) to Argostolion (EFL)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Argostolion (EFL-Kefalonia Island Intl.)

Cheap Flights from St. Louis to Argostolion (STL-EFL)

Prices were available within the past 7 days and start at for one-way flights and $1,990 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$1,990 Roundtrip, found 1 day ago
$1,990
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $1,990 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$1,997 Roundtrip, found 1 day ago
$1,997
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $1,997 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,003 Roundtrip, found 1 day ago
$2,003
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,003 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,010 Roundtrip, found 1 day ago
$2,010
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,010 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,215 Roundtrip, found 1 day ago
$2,215
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,215 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,223 Roundtrip, found 1 day ago
$2,223
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,223 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,228 Roundtrip, found 1 day ago
$2,228
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,228 found 1 day ago
American Airlines
Tue, May 19 - Wed, May 20
STL
St. Louis
EFL
Kefalonia
$2,236 Roundtrip, found 1 day ago
$2,236
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 19 from St. Louis to Kefalonia, returning Wed, May 20, priced at $2,236 found 1 day ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL) cost?
Get a cheap one-way flight or cheap return flight from $1,990 from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL) 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 Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL)?
The cheapest month to fly from STL to EFL is May, when demand is low. Off-peak months are usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL)?
To find the cheapest airline flying from STL to EFL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. 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 EFL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the airline and season.*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 Kefalonia Island Intl. Airport (EFL)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be 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 Kefalonia Island Intl. Airport (EFL) last-minute?
Last-minute bookings from STL to EFL are usually more expensive. To lock in the best rates, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a STL to EFL flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to EFL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Kefalonia Island Intl. Airport (EFL)?
Generally, it's possible to reschedule or cancel your STL to EFL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kefalonia Island Intl.
Roundtrip price
$1,990
Distance
5551 mi

Book with confidence

St. Louis to Argostolion Flights

The cheapest times to fly from St. Louis to Argostolion

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

 

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

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

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 Argostolion in 2025. 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 Argostolion 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 Argostolion 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 Argostolion Flights

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*Available to One Key members.