Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Thera from $475

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.
Lufthansa Logo
8:40 am - 6:35 pm
STL
-
JTR
25h 55m
2 stops
Lufthansa Logo
5:45 pm - 1:25 pm
JTR
-
STL
27h 40m
1 stop
$913Lufthansa
Thu, Aug 27 - Thu, Sep 3
Lufthansa Logo
8:40 am - 6:35 pm
STL
-
JTR
25h 55m
2 stops
Lufthansa Logo
2:20 pm - 1:25 pm
JTR
-
STL
31h 05m
1 stop
$913Lufthansa
Thu, Aug 27 - Mon, Sep 7
Lufthansa Logo
1:00 pm - 6:35 pm
STL
-
JTR
21h 35m
2 stops
Lufthansa Logo
5:40 pm - 1:25 pm
JTR
-
STL
27h 45m
1 stop
$913Lufthansa
Thu, Aug 27 - Tue, Sep 8
Lufthansa Logo
1:00 pm - 6:35 pm
STL
-
JTR
21h 35m
2 stops
Lufthansa Logo
7:10 pm - 3:38 pm
JTR
-
STL
28h 28m
2 stops
$915Lufthansa
Thu, Aug 27 - Wed, Sep 2
Lufthansa Logo
8:40 am - 6:35 pm
STL
-
JTR
25h 55m
2 stops
Lufthansa Logo
2:20 pm - 10:00 pm
JTR
-
STL
39h 40m
2 stops
$924Lufthansa
Thu, Aug 27 - Mon, Sep 7
Lufthansa Logo
8:40 am - 6:35 pm
STL
-
JTR
25h 55m
2 stops
Lufthansa Logo
5:45 pm - 9:17 pm
JTR
-
STL
35h 32m
2 stops
$924Lufthansa
Thu, Aug 27 - Thu, Sep 3
Lufthansa Logo
8:40 am - 6:35 pm
STL
-
JTR
25h 55m
2 stops
Lufthansa Logo
5:40 pm - 9:31 pm
JTR
-
STL
35h 51m
2 stops
$924Lufthansa
Thu, Aug 27 - Tue, Sep 8
British Airways Logo
9:40 pm - 1:50 pm
STL
-
JTR
32h 10m
1 stop
British Airways Logo
5:05 pm - 7:30 pm
JTR
-
STL
34h 25m
1 stop
$940British Airways
Sun, Aug 23 - Thu, Sep 3
Lufthansa Logo
3:30 pm - 4:50 pm
STL
-
JTR
17h 20m
1 stop
Lufthansa Logo
5:40 pm - 1:25 pm
JTR
-
STL
27h 45m
1 stop
$954Lufthansa
Mon, Oct 12 - Tue, Oct 20
British Airways Logo
9:46 am - 4:25 pm
STL
-
JTR
22h 39m
2 stops
British Airways Logo
5:05 pm - 7:27 pm
JTR
-
STL
34h 22m
2 stops
$955British Airways
Sun, Aug 23 - Thu, Sep 3

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Lufthansa flights from St. Louis to Thera

Our best Lufthansa deals on St. Louis to Thera flight tickets
Lufthansa
Aug 27
STL1:00 pmLambert-St Louis
21h 35m
2 stops
JTR6:35 pmThera Santorini
Sep 8
JTR5:40 pmThera Santorini
27h 45m
1 stop
STL1:25 pmLambert-St Louis
$913
Lufthansa
Aug 27
STL1:00 pmLambert-St Louis
21h 35m
2 stops
JTR6:35 pmThera Santorini
Sep 2
JTR7:10 pmThera Santorini
28h 28m
2 stops
STL3:38 pmLambert-St Louis
$915
Lufthansa
Aug 27
STL8:40 amLambert-St Louis
25h 55m
2 stops
JTR6:35 pmThera Santorini
Sep 3
JTR5:45 pmThera Santorini
35h 32m
2 stops
STL9:17 pmLambert-St Louis
$924

Delta flights from St. Louis to Thera

Our best Delta deals on St. Louis to Thera flight tickets
Delta
Aug 26
STL11:13 amLambert-St Louis
41h 37m
2 stops
JTR12:50 pmThera Santorini
Sep 5
JTR1:35 pmThera Santorini
35h 03m
2 stops
STL4:38 pmLambert-St Louis
$1,095
Delta
Aug 8
STL7:00 amLambert-St Louis
21h 40m
2 stops
JTR12:40 pmThera Santorini
Aug 14
JTR1:45 pmThera Santorini
40h 18m
2 stops
STL10:03 pmLambert-St Louis
$1,380

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 August 1, 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

Thu 8/27

8:40 am-6:35 pm

2 stops25h 55m

Thera Santorini

Thu 9/3

5:45 pm-1:25 pm

1 stop27h 40m

$913

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

8:40 am-6:35 pm

2 stops25h 55m

Thera Santorini

Mon 9/7

2:20 pm-1:25 pm

1 stop31h 05m

$913

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

1:00 pm-6:35 pm

2 stops21h 35m

Thera Santorini

Tue 9/8

5:40 pm-1:25 pm

1 stop27h 45m

$913

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

1:00 pm-6:35 pm

2 stops21h 35m

Thera Santorini

Wed 9/2

7:10 pm-3:38 pm

2 stops28h 28m

$915

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

8:40 am-6:35 pm

2 stops25h 55m

Thera Santorini

Mon 9/7

2:20 pm-10:00 pm

2 stops39h 40m

$924

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

8:40 am-6:35 pm

2 stops25h 55m

Thera Santorini

Thu 9/3

5:45 pm-9:17 pm

2 stops35h 32m

$924

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Thu 8/27

8:40 am-6:35 pm

2 stops25h 55m

Thera Santorini

Tue 9/8

5:40 pm-9:31 pm

2 stops35h 51m

$924

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 8/23

9:40 pm-1:50 pm

1 stop32h 10m

Thera Santorini

Thu 9/3

5:05 pm-7:30 pm

1 stop34h 25m

$940
Quickest round-trip

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Mon 10/12

3:30 pm-4:50 pm

1 stop17h 20m

Thera Santorini

Tue 10/20

5:40 pm-1:25 pm

1 stop27h 45m

$954

St. LouisThera

STL - JTR

STLJTR

Lambert-St Louis

Sun 8/23

9:46 am-4:25 pm

2 stops22h 39m

Thera Santorini

Thu 9/3

5:05 pm-7:27 pm

2 stops34h 22m

$955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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?

Lufthansa and British Airways are the most popular carriers 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

17h 20m

Direct flights

None
The fastest flight from St. Louis to Thera takes 17h 20m
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 20m.

  • 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
8,168 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
Ios
Firostefani
Kamari
Perissa
Megalochori
Mylopotas
Pyrgos Kallistis
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/31
Mon 9/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece