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Cheap flights from St. Louis to Thera from $444

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 5/7. 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
0 bags

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Find the cheapest flights from St. Louis to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:05 am - 4:15 pm
STL
-
JTR
25h 10m
2 stops
British Airways Logo
5:10 pm - 11:48 pm
JTR
-
STL
38h 38m
2 stops
$1,082British Airways
Wed, Apr 15 - Sun, Apr 19
British Airways Logo
4:13 pm - 4:15 pm
STL
-
JTR
40h 02m
2 stops
British Airways Logo
3:55 pm - 5:12 pm
JTR
-
STL
33h 17m
2 stops
$1,085British Airways
Fri, Apr 3 - Sat, Apr 11
British Airways Logo
8:00 am - 3:05 pm
STL
-
JTR
23h 05m
2 stops
British Airways Logo
3:55 pm - 5:12 pm
JTR
-
STL
33h 17m
2 stops
$1,086British Airways
Fri, Apr 3 - Sat, Apr 11
Multiple Airlines Logo
11:28 am - 6:00 pm
STL
-
JTR
23h 32m
2 stops
Multiple Airlines Logo
6:30 pm - 1:25 pm
JTR
-
STL
49h 55m
2 stops
$1,333Multiple Airlines
Thu, Mar 19 - Fri, Mar 27
Multiple Airlines Logo
11:28 am - 10:25 pm
STL
-
JTR
27h 57m
2 stops
Multiple Airlines Logo
2:45 pm - 1:25 pm
JTR
-
STL
53h 40m
2 stops
$1,487Multiple Airlines
Thu, Mar 19 - Fri, Mar 27
Multiple Airlines Logo
11:28 am - 10:25 pm
STL
-
JTR
27h 57m
2 stops
Multiple Airlines Logo
2:45 pm - 1:25 pm
JTR
-
STL
53h 40m
2 stops
$1,488Multiple Airlines
Thu, Mar 19 - Fri, Mar 27
Multiple Airlines Logo
10:00 am - 11:15 am
STL
-
JTR
18h 15m
3 stops
Multiple Airlines Logo
8:15 am - 3:29 pm
JTR
-
STL
38h 14m
2 stops
$2,098Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
11:28 am - 2:15 pm
STL
-
JTR
19h 47m
2 stops
Multiple Airlines Logo
6:00 am - 11:51 pm
JTR
-
STL
24h 51m
2 stops
$2,267Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
4:05 pm - 7:35 am
STL
-
JTR
32h 30m
3 stops
Multiple Airlines Logo
2:45 pm - 2:55 pm
JTR
-
STL
31h 10m
3 stops
$3,036Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
British Airways Logo
11:59 am - 4:15 pm
STL
-
JTR
20h 16m
2 stops
British Airways Logo
5:05 pm - 11:48 pm
JTR
-
STL
38h 43m
2 stops
$3,083British Airways
Wed, Apr 1 - Thu, Apr 9

Lufthansa flights from St. Louis to Thera

Our best Lufthansa deals on St. Louis to Thera flight tickets
Lufthansa
Jul 4
STL1:27 pmLambert-St Louis
19h 28m
2 stops
JTR4:55 pmThera Santorini
Jul 15
JTR7:10 pmThera Santorini
36h 15m
2 stops
STL11:25 pmLambert-St Louis
$1,025
Lufthansa
Jul 4
STL1:27 pmLambert-St Louis
19h 28m
2 stops
JTR4:55 pmThera Santorini
Jul 15
JTR7:10 pmThera Santorini
52h 11m
2 stops
STL3:21 pmLambert-St Louis
$1,086
Lufthansa
May 20
STL3:30 pmLambert-St Louis
17h 25m
1 stop
JTR4:55 pmThera Santorini
May 26
JTR5:40 pmThera Santorini
27h 45m
1 stop
STL1:25 pmLambert-St Louis
$1,526

British Airways flights from St. Louis to Thera

Our best British Airways deals on St. Louis to Thera flight tickets
British Airways
Apr 15
STL7:05 amLambert-St Louis
25h 10m
2 stops
JTR4:15 pmThera Santorini
Apr 19
JTR5:10 pmThera Santorini
38h 38m
2 stops
STL11:48 pmLambert-St Louis
$1,082
British Airways
Apr 3
STL4:13 pmLambert-St Louis
40h 02m
2 stops
JTR4:15 pmThera Santorini
Apr 11
JTR3:55 pmThera Santorini
33h 17m
2 stops
STL5:12 pmLambert-St Louis
$1,085
British Airways
Apr 1
STL11:59 amLambert-St Louis
20h 16m
2 stops
JTR4:15 pmThera Santorini
Apr 9
JTR5:05 pmThera Santorini
38h 43m
2 stops
STL11:48 pmLambert-St Louis
$3,083

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 January 27, 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

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Wed 4/15

7:05 am-4:15 pm

2 stops25h 10m

Thera Santorini

Sun 4/19

5:10 pm-11:48 pm

2 stops38h 38m

$1,082

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Fri 4/3

4:13 pm-4:15 pm

2 stops40h 02m

Thera Santorini

Sat 4/11

3:55 pm-5:12 pm

2 stops33h 17m

$1,085

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Fri 4/3

8:00 am-3:05 pm

2 stops23h 05m

Thera Santorini

Sat 4/11

3:55 pm-5:12 pm

2 stops33h 17m

$1,086

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/19

11:28 am-6:00 pm

2 stops23h 32m

Thera Santorini

Fri 3/27

6:30 pm-1:25 pm

2 stops49h 55m

$1,333

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/19

11:28 am-10:25 pm

2 stops27h 57m

Thera Santorini

Fri 3/27

2:45 pm-1:25 pm

2 stops53h 40m

$1,487

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/19

11:28 am-10:25 pm

2 stops27h 57m

Thera Santorini

Fri 3/27

2:45 pm-1:25 pm

2 stops53h 40m

$1,488

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/12

10:00 am-11:15 am

3 stops18h 15m

Thera Santorini

Thu 3/19

8:15 am-3:29 pm

2 stops38h 14m

$2,098

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/12

11:28 am-2:15 pm

2 stops19h 47m

Thera Santorini

Thu 3/19

6:00 am-11:51 pm

2 stops24h 51m

$2,267

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 3/12

4:05 pm-7:35 am

3 stops32h 30m

Thera Santorini

Thu 3/19

2:45 pm-2:55 pm

3 stops31h 10m

$3,036

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Wed 4/1

11:59 am-4:15 pm

2 stops20h 16m

Thera Santorini

Thu 4/9

5:05 pm-11:48 pm

2 stops38h 43m

$3,083

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Thera from

How to get the cheapest flight ticket from St. Louis to Thera

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Thera Santorini?

British Airways is the most popular carrier operating from Lambert-St Louis to Thera Santorini

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

16h 49m

Direct flights

None
The fastest flight from St. Louis to Thera takes 16h 49m
There are no direct flights from St. Louis to Thera. There are no popular flight routes from St. Louis to Thera.
Search flight deals

  • 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 16h 49m.

  • 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 $730Free CancellationRating
6.8
7,748 reviews
Search Lufthansa flights

Traveling to a place near Thera?

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

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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.

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