$776 Cheap Flights from St. Louis (STL) to Skiathos (JSI)

View $776 flight on Wed, May 20, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Skiathos (JSI-Skiathos Island National)

Cheap Flights from St. Louis to Skiathos (STL-JSI)

Prices were available within the past 7 days and start at $776 for one-way flights and $1,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,000 Roundtrip, found 10 hours ago
$1,000
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,000 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,002 Roundtrip, found 10 hours ago
$1,002
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,002 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,006 Roundtrip, found 10 hours ago
$1,006
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,006 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,010 Roundtrip, found 10 hours ago
$1,010
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,010 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,016 Roundtrip, found 10 hours ago
$1,016
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,016 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,017 Roundtrip, found 10 hours ago
$1,017
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,017 found 10 hours ago
United
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,017 Roundtrip, found 10 hours ago
$1,017
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,017 found 10 hours ago
Air Canada
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,117 Roundtrip, found 10 hours ago
$1,117
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,117 found 10 hours ago
Air Canada
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$1,119 Roundtrip, found 10 hours ago
$1,119
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $1,119 found 10 hours ago
Lufthansa
Wed, May 20 - Tue, May 26
STL
St. Louis
JSI
Skiathos
$3,977 Roundtrip, found 10 hours ago
$3,977
Roundtrip
found 10 hours ago
Select Lufthansa flight, departing Wed, May 20 from St. Louis to Skiathos, returning Tue, May 26, priced at $3,977 found 10 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Skiathos Island National Airport (JSI) cost?
Secure a cheap one-way flight from $776 or cheap return flight from $1,000 from Lambert-St. Louis Intl. Airport (STL) to Skiathos Island National Airport (JSI) 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 Skiathos Island National Airport (JSI)?
Flying in May may help you find better deals, as it's the cheapest month for flights between STL and JSI. 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 Skiathos Island National Airport (JSI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to JSI flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Skiathos Island National Airport (JSI)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Skiathos Island National Airport (JSI) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to JSI?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Skiathos Island National Airport (JSI)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Skiathos Island National Airport (JSI) route, travel before 3 PM. Departures 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 Skiathos Island National Airport (JSI) last-minute?
Holding off until just before your trip to book your flight from STL to JSI generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a STL to JSI flight and hotel package?
Opting for a STL to JSI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything 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 Skiathos Island National Airport (JSI)?
Typically, you can cancel or modify your STL to JSI flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Skiathos Island National
Airlines serving
Lufthansa
Roundtrip price
$999
Distance
5619 mi

Book with confidence

Book with confidence

St. Louis to Skiathos Flights

The cheapest times to fly from St. Louis to Skiathos

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

 

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

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

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 Skiathos in 2025. You can also book with separate airlines for your outbound and return journeys, from $776 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 Skiathos 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 Skiathos 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 Skiathos Flights

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Explore a world of travel with Expedia

*Available to One Key members.