$490 Cheap Flights from St. Louis (STL) to Thira (JTR)

View $490 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Santorini National Airport (JTR)

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Cheap Flights from St. Louis to Thira (STL-JTR)

Prices were available within the past 7 days and start at $490 for one-way flights and $691 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Oct 19 - Fri, Nov 7
STL
St. Louis
JTR
Santorini
$691 Roundtrip, found 3 days ago
$691
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, Oct 19 from St. Louis to Santorini, returning Fri, Nov 7, priced at $691 found 3 days ago
United
Wed, Oct 15 - Fri, Nov 7
STL
St. Louis
JTR
Santorini
$695 Roundtrip, found 3 days ago
$695
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 15 from St. Louis to Santorini, returning Fri, Nov 7, priced at $695 found 3 days ago
British Airways
Tue, Sep 16 - Mon, Sep 29
STL
St. Louis
JTR
Santorini
$704 Roundtrip, found 3 days ago
$704
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Sep 16 from St. Louis to Santorini, returning Mon, Sep 29, priced at $704 found 3 days ago
United
Wed, Oct 22 - Sun, Nov 2
STL
St. Louis
JTR
Santorini
$710 Roundtrip, found 5 days ago
$710
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 22 from St. Louis to Santorini, returning Sun, Nov 2, priced at $710 found 5 days ago
Air Canada
Sun, Oct 19 - Fri, Nov 7
STL
St. Louis
JTR
Santorini
$710 Roundtrip, found 5 days ago
$710
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Oct 19 from St. Louis to Santorini, returning Fri, Nov 7, priced at $710 found 5 days ago
United
Wed, Oct 15 - Thu, Oct 23
STL
St. Louis
JTR
Santorini
$714 Roundtrip, found 3 days ago
$714
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 15 from St. Louis to Santorini, returning Thu, Oct 23, priced at $714 found 3 days ago
Air Canada
Sat, Sep 20 - Tue, Oct 7
STL
St. Louis
JTR
Santorini
$714 Roundtrip, found 3 days ago
$714
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Sep 20 from St. Louis to Santorini, returning Tue, Oct 7, priced at $714 found 3 days ago
Lufthansa
Tue, Oct 21 - Fri, Nov 7
STL
St. Louis
JTR
Santorini
$720 Roundtrip, found 3 days ago
$720
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Oct 21 from St. Louis to Santorini, returning Fri, Nov 7, priced at $720 found 3 days ago
Air Canada
Sun, Sep 21 - Tue, Oct 7
STL
St. Louis
JTR
Santorini
$721 Roundtrip, found 3 days ago
$721
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, Sep 21 from St. Louis to Santorini, returning Tue, Oct 7, priced at $721 found 3 days ago
Austrian Airlines
Mon, Aug 11 - Tue, Aug 19
STL
St. Louis
JTR
Santorini
$772 Roundtrip, found 1 day ago
$772
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Mon, Aug 11 from St. Louis to Santorini, returning Tue, Aug 19, priced at $772 found 1 day ago

Alternative airports near Santorini

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

Select flight to Santorini National JTR. Cheapest and Closest option available. Average driving time to city center is 3 minutes. Flights from $917
JTR
Santorini National
CheapestClosest
Average driving time to city center3 min
Flights from $917
Flights from St. Louis (STL) to Thira (JTR)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Santorini National
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, Lufthansa
Roundtrip price
$690
Distance
5830 mi

St. Louis to Thira Flights

The cheapest times to fly from St. Louis to Thira

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

 

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

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

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 Thira in 2025. You can also book with separate airlines for your outbound and return journeys, from $490 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 Thira 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 Thira 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 Santorini National Airport (JTR) cost?
Discover the latest flight deals from STL to JTR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to JTR?
The cheapest flights from STL to JTR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to JTR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to JTR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Santorini National Airport (JTR)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Santorini National Airport (JTR) 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 dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to JTR?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be 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 Santorini National Airport (JTR)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Santorini National Airport (JTR) route, aim to travel before 3 PM. Flights after this time are 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 Santorini National Airport (JTR) last-minute?
Holding off until just before your departure to book a flight from STL to JTR generally means paying more. Although you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book a STL to JTR flight and hotel package?
Securing a STL to JTR flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide 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 Santorini National Airport (JTR)?
Typically, you can cancel or reschedule your STL to JTR flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.