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Cheap flights from St. Louis to Thera from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Thera departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:44 am - 1:55 pm
STL
-
JTR
20h 11m
2 stops
American Airlines Logo
2:45 pm - 4:40 pm
JTR
-
STL
33h 55m
2 stops
$887American Airlines
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
2:20 pm - 1:25 pm
JTR
-
STL
31h 05m
1 stop
$908Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
2:20 pm - 1:25 pm
JTR
-
STL
31h 05m
1 stop
$912Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
1:13 pm - 1:30 pm
STL
-
JTR
16h 17m
2 stops
Lufthansa Logo
2:20 pm - 1:25 pm
JTR
-
STL
31h 05m
1 stop
$925Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
1:13 pm - 1:30 pm
STL
-
JTR
16h 17m
2 stops
Lufthansa Logo
2:20 pm - 3:46 pm
JTR
-
STL
33h 26m
2 stops
$931Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
2:20 pm - 3:46 pm
JTR
-
STL
33h 26m
2 stops
$941Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
2:20 pm - 1:25 pm
JTR
-
STL
31h 05m
1 stop
$948Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
2:20 pm - 3:46 pm
JTR
-
STL
33h 26m
2 stops
$968Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
8:43 am - 1:30 pm
STL
-
JTR
20h 47m
2 stops
Lufthansa Logo
2:20 pm - 3:46 pm
JTR
-
STL
33h 26m
2 stops
$982Lufthansa
Sun, Jul 12 - Mon, Jul 20
Lufthansa Logo
3:30 pm - 1:30 pm
STL
-
JTR
14h 00m
1 stop
Lufthansa Logo
6:10 pm - 1:25 pm
JTR
-
STL
27h 15m
1 stop
$1,017Lufthansa
Sun, Jul 19 - Sun, Jul 26

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American Airlines flights from St. Louis to Thera

Our best American Airlines deals on St. Louis to Thera flight tickets
American Airlines
Jul 12
STL9:44 amLambert-St Louis
20h 11m
2 stops
JTR1:55 pmThera Santorini
Jul 20
JTR2:45 pmThera Santorini
33h 55m
2 stops
STL4:40 pmLambert-St Louis
$887
American Airlines
Jul 4
STL3:55 pmLambert-St Louis
16h 20m
2 stops
JTR4:15 pmThera Santorini
Jul 15
JTR5:10 pmThera Santorini
31h 52m
2 stops
STL5:02 pmLambert-St Louis
$1,128
American Airlines
Jul 4
STL3:55 pmLambert-St Louis
16h 20m
2 stops
JTR4:15 pmThera Santorini
Jul 15
JTR5:10 pmThera Santorini
31h 52m
2 stops
STL5:02 pmLambert-St Louis
$1,251

Lufthansa flights from St. Louis to Thera

Our best Lufthansa deals on St. Louis to Thera flight tickets
Lufthansa
Jul 12
STL3:30 pmLambert-St Louis
14h 00m
1 stop
JTR1:30 pmThera Santorini
Jul 20
JTR2:20 pmThera Santorini
31h 05m
1 stop
STL1:25 pmLambert-St Louis
$908
Lufthansa
Jul 12
STL3:30 pmLambert-St Louis
14h 00m
1 stop
JTR1:30 pmThera Santorini
Jul 20
JTR2:20 pmThera Santorini
31h 05m
1 stop
STL1:25 pmLambert-St Louis
$912
Lufthansa
Jul 12
STL1:13 pmLambert-St Louis
16h 17m
2 stops
JTR1:30 pmThera Santorini
Jul 20
JTR2:20 pmThera Santorini
31h 05m
1 stop
STL1:25 pmLambert-St Louis
$925

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Thera that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from St. Louis to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

9:44 am-1:55 pm

2 stops20h 11m

Thera Santorini

Mon 7/20

2:45 pm-4:40 pm

2 stops33h 55m

$887

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 7/20

2:20 pm-1:25 pm

1 stop31h 05m

$908

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 7/20

2:20 pm-1:25 pm

1 stop31h 05m

$912

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

1:13 pm-1:30 pm

2 stops16h 17m

Thera Santorini

Mon 7/20

2:20 pm-1:25 pm

1 stop31h 05m

$925

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

1:13 pm-1:30 pm

2 stops16h 17m

Thera Santorini

Mon 7/20

2:20 pm-3:46 pm

2 stops33h 26m

$931

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 7/20

2:20 pm-3:46 pm

2 stops33h 26m

$941

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 7/20

2:20 pm-1:25 pm

1 stop31h 05m

$948

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Mon 7/20

2:20 pm-3:46 pm

2 stops33h 26m

$968

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/12

8:43 am-1:30 pm

2 stops20h 47m

Thera Santorini

Mon 7/20

2:20 pm-3:46 pm

2 stops33h 26m

$982
Quickest round-trip

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 7/19

3:30 pm-1:30 pm

1 stop14h 00m

Thera Santorini

Sun 7/26

6:10 pm-1:25 pm

1 stop27h 15m

$1,017

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from St. Louis to Thera takes 14h 00m
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 14h 00m.

  • 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?

  • 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?

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
LufthansaPriceFrom $1,082Free CancellationRating
6.8
8,066 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.

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Kamari
Firostefani
Pyrgos Kallistis
Ios
Perissa
Megalochori
Mylopotas
Karterados

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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