£273 Cheap Flights from St. Louis (STL) to Thira (JTR)

View £273 flight on Tue, 25 Aug 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £273 for one-way flights and £697 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, 26 Aug - Thu, 3 Sept
STL
St. Louis
JTR
Santorini
£697 Return, found 4 days ago
£697
Return
found 4 days ago
Select British Airways flight, departing Wed, 26 Aug from St. Louis to Santorini, returning Thu, 3 Sept, priced at £697 found 4 days ago
Air Canada
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£773 Return, found 6 days ago
£773
Return
found 6 days ago
Select Air Canada flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £773 found 6 days ago
Lufthansa
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£775 Return, found 6 days ago
£775
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £775 found 6 days ago
British Airways
Wed, 26 Aug - Thu, 3 Sept
STL
St. Louis
JTR
Santorini
£778 Return, found 4 days ago
£778
Return
found 4 days ago
Select British Airways flight, departing Wed, 26 Aug from St. Louis to Santorini, returning Thu, 3 Sept, priced at £778 found 4 days ago
Air Canada
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£781 Return, found 6 days ago
£781
Return
found 6 days ago
Select Air Canada flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £781 found 6 days ago
Air Canada
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£793 Return, found 6 days ago
£793
Return
found 6 days ago
Select Air Canada flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £793 found 6 days ago
Lufthansa
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£796 Return, found 6 days ago
£796
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £796 found 6 days ago
Air Canada
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£802 Return, found 6 days ago
£802
Return
found 6 days ago
Select Air Canada flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £802 found 6 days ago
American Airlines
Wed, 26 Aug - Thu, 3 Sept
STL
St. Louis
JTR
Santorini
£856 Return, found 4 days ago
£856
Return
found 4 days ago
Select American Airlines flight, departing Wed, 26 Aug from St. Louis to Santorini, returning Thu, 3 Sept, priced at £856 found 4 days ago
Iberia
Sun, 30 Aug - Sun, 6 Sept
STL
St. Louis
JTR
Santorini
£897 Return, found 6 days ago
£897
Return
found 6 days ago
Select Iberia flight, departing Sun, 30 Aug from St. Louis to Santorini, returning Sun, 6 Sept, priced at £897 found 6 days ago

Frequently asked questions

How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
There are approximately 38 connecting flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Thira (JTR-Santorini National) (JTR). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Pearson Intl. (YYZ).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) typically departs at approximately 5:15 AM local time. This service is operated by United Airlines and Aer Lingus. This is a seasonal service active in September. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
You'll find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) on a Friday, with around 44 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, United Airlines, and Delta Air Lines. Fridays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
The most popular departure times for flights from Lambert-St. Louis Intl. (STL) to Santorini National (JTR) are between 12pm and 3pm. This accounts for around 55% of total traffic. Air Canada, American Airlines and British Airways offer flights during this window. Many travelers prefer this timing as it allows for a relaxed morning before heading to the airport, and you'll arrive at your destination in the evening.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
A flight from STL to JTR with a layover takes around 17 hours 20 minutes, with the route covering approximately 5,831 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
Select the "Business class" and "First class" filters when looking for STL to JTR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Thira from Lambert-St. Louis Intl. (STL)?
From Lambert-St. Louis Intl. (STL), you can fly into Santorini National (JTR) to reach Thira. Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), Pearson Intl. (YYZ) before reaching Thira. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Thira (JTR-Santorini National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Santorini National
Return price
£696
Distance
9328 km

Book with confidence

Compare flights from St. Louis to Thira easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Thira. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Santorini National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Santorini National.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Santorini National (JTR)

The easiest way to view the best deals on flights from St. Louis to Thira today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Santorini National start at just £697 and range up to £897.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Thira
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Thira flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Santorini National for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from St. Louis to Thira easily and book with confidence

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