How do I get Price Alerts for flights from St. Louis to Thera?

Search flight deals from St. Louis to Thera . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from St. Louis to Thera with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Lambert-St Louis Airport to Thera Santorini Airport?

Prices for flights from Lambert-St Louis Airport to Thera Santorini Airport were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Thera Santorini Airport?

There is 1 operator available for flights from Lambert-St Louis Airport to Thera Santorini Airport as of September 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Thera Santorini Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Thera Santorini Airport.

What documentation or ID do you need to fly to Thera Santorini Airport?

The necessary travel and health documents for your Thera Santorini Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$943 Cheap Flights from St. Louis to Thera in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Thera

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:55 am - 8:00 pmSTL Lambert-St Louis-JTR Thera Santorini

27h 05m2 stops Toronto Pearson Intl Zurich

2:20 pm - 1:25 pmJTR Thera Santorini-STL Lambert-St Louis

31h 05m1 stop Frankfurt am Main

$943Multiple Airlines

Sun, Oct 11 - Mon, Oct 19

3:30 pm - 1:30 pmSTL Lambert-St Louis-JTR Thera Santorini

14h 00m1 stop Frankfurt am Main

2:20 pm - 1:25 pmJTR Thera Santorini-STL Lambert-St Louis

31h 05m1 stop Frankfurt am Main

$948Lufthansa

Sun, Oct 11 - Mon, Oct 19

11:31 am - 4:25 pmSTL Lambert-St Louis-JTR Thera Santorini

20h 54m2 stops Chicago O'Hare Intl London Heathrow

5:25 pm - 4:53 pmJTR Thera Santorini-STL Lambert-St Louis

31h 28m2 stops London Heathrow Chicago O'Hare Intl

$957British Airways

Sun, Oct 11 - Mon, Oct 19

3:40 pm - 6:10 pmSTL Lambert-St Louis-JTR Thera Santorini

18h 30m2 stops Frankfurt am Main Athens Eleftherios V.

9:00 am - 9:52 pmJTR Thera Santorini-STL Lambert-St Louis

20h 52m2 stops Athens Eleftherios V. Newark

$1,052Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

2:40 pm - 12:25 amSTL Lambert-St Louis-JTR Thera Santorini

25h 45m3 stops Toronto Pearson Intl London Heathrow Athens Eleftherios V.

4:35 pm - 2:00 pmJTR Thera Santorini-STL Lambert-St Louis

29h 25m3 stops Athens Eleftherios V. London Heathrow Toronto Pearson Intl

$1,221Multiple Airlines

Sun, Oct 11 - Mon, Oct 19

4:05 pm - 2:25 pmSTL Lambert-St Louis-JTR Thera Santorini

38h 20m2 stops Toronto Pearson Intl Athens Eleftherios V.

9:35 pm - 9:52 pmJTR Thera Santorini-STL Lambert-St Louis

32h 17m2 stops Athens Eleftherios V. Newark

$1,272Multiple Airlines

Sun, Nov 1 - Sun, Nov 8

3:40 pm - 7:35 amSTL Lambert-St Louis-JTR Thera Santorini

31h 55m3 stops Frankfurt am Main Istanbul Athens Eleftherios V.

11:55 am - 3:26 pmJTR Thera Santorini-STL Lambert-St Louis

35h 31m3 stops Athens Eleftherios V. London Heathrow Toronto Pearson Intl

$1,513Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

2:40 pm - 8:00 pmSTL Lambert-St Louis-JTR Thera Santorini

21h 20m2 stops Toronto Pearson Intl Zurich

4:35 pm - 2:00 pmJTR Thera Santorini-STL Lambert-St Louis

29h 25m3 stops Athens Eleftherios V. London Heathrow Toronto Pearson Intl

$2,089Multiple Airlines

Sun, Oct 11 - Mon, Oct 19

3:40 pm - 7:35 amSTL Lambert-St Louis-JTR Thera Santorini

31h 55m3 stops Frankfurt am Main Istanbul Athens Eleftherios V.

6:40 pm - 3:26 pmJTR Thera Santorini-STL Lambert-St Louis

52h 46m2 stops Athens Eleftherios V. Toronto Pearson Intl

$4,094Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

3:40 pm - 10:15 pmSTL Lambert-St Louis-JTR Thera Santorini

22h 35m3 stops Frankfurt am Main Venice Marco Polo Athens Eleftherios V.

9:35 pm - 3:26 pmJTR Thera Santorini-STL Lambert-St Louis

49h 51m2 stops Athens Eleftherios V. Toronto Pearson Intl

$4,493Multiple Airlines

Sun, Nov 1 - Sun, Nov 8

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Price

Cheapest round-trip

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 10/11

8:55 am-8:00 pm

2 stops27h 05m

Thera Santorini

Mon 10/19

2:20 pm-1:25 pm

1 stop31h 05m

$943

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 10/11

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 10/19

2:20 pm-1:25 pm

1 stop31h 05m

$948

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 10/11

11:31 am-4:25 pm

2 stops20h 54m

Thera Santorini

Mon 10/19

5:25 pm-4:53 pm

2 stops31h 28m

$957

Quickest round-trip

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Wed 11/4

3:40 pm-6:10 pm

2 stops18h 30m

Thera Santorini

Wed 11/11

9:00 am-9:52 pm

2 stops20h 52m

$1,052

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 10/11

2:40 pm-12:25 am

3 stops25h 45m

Thera Santorini

Mon 10/19

4:35 pm-2:00 pm

3 stops29h 25m

$1,221

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 11/1

4:05 pm-2:25 pm

2 stops38h 20m

Thera Santorini

Sun 11/8

9:35 pm-9:52 pm

2 stops32h 17m

$1,272

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Wed 11/4

3:40 pm-7:35 am

3 stops31h 55m

Thera Santorini

Wed 11/11

11:55 am-3:26 pm

3 stops35h 31m

$1,513

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 10/11

2:40 pm-8:00 pm

2 stops21h 20m

Thera Santorini

Mon 10/19

4:35 pm-2:00 pm

3 stops29h 25m

$2,089

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Wed 11/4

3:40 pm-7:35 am

3 stops31h 55m

Thera Santorini

Wed 11/11

6:40 pm-3:26 pm

2 stops52h 46m

$4,094

St. LouisThera

STL Lambert-St Louis - JTR Thera Santorini

STLJTR

Lambert-St Louis

Sun 11/1

3:40 pm-10:15 pm

3 stops22h 35m

Thera Santorini

Sun 11/8

9:35 pm-3:26 pm

2 stops49h 51m

$4,493

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Thera

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Thera according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Thera (STL to JTR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Thera

Best Price Found	$943
Fastest flight time	17h 35m
Direct flights	None

The best flight deal from St. Louis to Thera found on momondo in the last 72 hours is $943

The fastest flight from St. Louis to Thera takes 17h 35m

There are no direct flights from St. Louis to Thera. There are no popular flight routes from St. Louis to Thera.

Search flight deals

Frequently asked questions about flying from St. Louis to Thera

How far is Lambert-St Louis to Thera Santorini by plane?
The distance between Lambert-St Louis and Thera Santorini is about 5823.2 mi. In terms of flight time, this usually takes a little over 17h 35m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Thera Santorini Airport?
Prices for flights from Lambert-St Louis Airport to Thera Santorini Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Thera Santorini Airport?
There is 1 operator available for flights from Lambert-St Louis Airport to Thera Santorini Airport as of September 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Thera Santorini Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Thera Santorini Airport.
What documentation or ID do you need to fly to Thera Santorini Airport?
The necessary travel and health documents for your Thera Santorini Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Thera?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Thera is Lufthansa, representing 100% of all bookings.

Best airlines flying from St. Louis to Thera

Compare and see reviews for airlines that fly from St. Louis to Thera with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $1,082	Free Cancellation	Rating 6.8 8,237 reviews		Search Lufthansa flights

Frequently asked questions about flying from St. Louis to Thera

How do I get Price Alerts for flights from St. Louis to Thera?
Search flight deals from St. Louis to Thera. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from St. Louis to Thera with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Oia

Imerovigli

Firostefani

Ios

Kamari

Perissa

Megalochori

Mylopotas

Karterados

Pyrgos Kallistis

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Thera?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Thera for you.

Can I find flights from St. Louis to Thera with flexible booking policies on momondo?

All flight searches from St. Louis to Thera on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Thera?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Thera.

I’m not ready to book a flight from St. Louis to Thera right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Thera flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Rhodes Diagoras Airport

Naxos Island Airport

Cheap flights from St. Louis to Thera from $943

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Thera departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frequently asked questions about flying from St. Louis to Thera

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Compare and see reviews for airlines that fly from St. Louis to Thera with momondo

Frequently asked questions about flying from St. Louis to Thera

Traveling to a place near Thera?

Why use momondo?

An easier way to manage your Thera trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Airports servicing South Aegean

Fly your favorite airline to Thera

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Thera

List of cabin classes available on flights landing in Thera. Availability may vary depending on flight origin and airline.

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