STL - JTR

$786 Find Cheap Flights from St. Louis to Santorini (Thira) - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$786
Typical prices: $1,082-$1,415
Multiple Airlines
Fri 9/28Fri 10/5
STL - JTR • 1 stop
When to travel
April
Cheapest • 33% price drop
August
Most popular
Good to know
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Flight Deals

Cheap Flights from St. Louis to Thera (STL-JTR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Thera

Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
3:30 pm - 5:05 pmSTL  Lambert-St Louis-JTR Thera Santorini
17h 35m1 stop Frankfurt am Main
Multiple Airlines Logo
2:20 pm - 1:25 pmJTR  Thera Santorini-STL Lambert-St Louis
31h 05m1 stop Frankfurt am Main
$786Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Lufthansa Logo
1:29 pm - 5:05 pmSTL  Lambert-St Louis-JTR Thera Santorini
19h 36m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
2:20 pm - 1:25 pmJTR  Thera Santorini-STL Lambert-St Louis
31h 05m1 stop Frankfurt am Main
$800Lufthansa
Mon, Oct 26 - Mon, Nov 2
Multiple Airlines Logo
9:59 am - 7:10 pmSTL  Lambert-St Louis-JTR Thera Santorini
26h 11m2 stops Newark Munich Franz Josef Strauss
Multiple Airlines Logo
9:35 pm - 1:45 pmJTR  Thera Santorini-STL Lambert-St Louis
48h 10m2 stops Athens Eleftherios V. Frankfurt am Main
$1,006Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Lufthansa Logo
1:29 pm - 5:05 pmSTL  Lambert-St Louis-JTR Thera Santorini
19h 36m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
2:20 pm - 9:21 pmJTR  Thera Santorini-STL Lambert-St Louis
39h 01m2 stops Frankfurt am Main Chicago O'Hare Intl
$1,040Lufthansa
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
12:10 pm - 8:50 pmSTL  Lambert-St Louis-JTR Thera Santorini
24h 40m3 stops Montreal Pierre Elliott Trudeau Intl Amsterdam Schiphol Vienna Intl
Multiple Airlines Logo
8:45 pm - 6:41 pmJTR  Thera Santorini-STL Lambert-St Louis
29h 56m3 stops Zurich Amsterdam Schiphol Montreal Pierre Elliott Trudeau Intl
$1,282Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
8:55 am - 9:50 amSTL  Lambert-St Louis-JTR Thera Santorini
40h 55m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
3:05 pm - 1:25 pmJTR  Thera Santorini-STL Lambert-St Louis
30h 20m3 stops Athens Eleftherios V. Budapest Ferenc Liszt Intl Frankfurt am Main
$1,887Multiple Airlines
Mon, Oct 26 - Mon, Nov 2
Multiple Airlines Logo
4:05 pm - 9:10 pmSTL  Lambert-St Louis-JTR Thera Santorini
22h 05m3 stops Toronto Pearson Intl Zurich Athens Eleftherios V.
Multiple Airlines Logo
6:40 pm - 3:26 pmJTR  Thera Santorini-STL Lambert-St Louis
52h 46m2 stops Athens Eleftherios V. Toronto Pearson Intl
$6,499Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Thera flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Thera with more confidence.

What is the cheapest airline to fly from St. Louis to Thera?

Lufthansa ($800) offered the cheapest round-trip ticket from St. Louis to Thera in the last 5 days.

Find deals

Key details for St. Louis to Thera flights

Low season

January
Most popular time to fly with an average 16% increase in price.

When to book flights from St. Louis to Thera

Are your dates flexible? Find out the best times to travel from St. Louis to Thera based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Thera flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to Thera?

    Flights from St. Louis to Thera usually depart from Lambert-St Louis (STL) and arrive at Thera Santorini (JTR).

  • What cabin classes can I book on flights from St. Louis to Thera?

    Only Economy Class is available on flights from St. Louis to Thera.

  • Which airports do connecting flights from St. Louis to Thera pass through?

    Most connecting flights from St. Louis to Thera pass through Frankfurt am Main (FRA), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from St. Louis to Thera?

    Yes. Being flexible with your travel dates can save you up to 28% on the St. Louis to Thera route. Wednesday is the cheapest departure day at $1,011 round-trip on average, while Tuesday is the most expensive at $1,395, a difference of $384. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from St. Louis to Thera?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to Thera changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $786 to $6,499. That means the highest observed fare was about 8x higher than the lowest one.

  • What is the time difference between St. Louis and Thera?

    Thera is 8 hours ahead of St. Louis (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Thera Santorini Airport (JTR)?

    Thera Santorini Airport (JTR) hosts 5 major car rental companies, with daily rates starting from around $5 for economy cars. Top options include:
    • CarQ
    • Centauro
    • Europcar
    • ADDCAR RENTAL
    • Exer Rent a Car

  • How much should I expect to pay for a St. Louis to Thera flight?

    Round-trip flights from St. Louis to Thera range from $1,082 to $1,415, with an average of $1,206 over the past 12 months. Anything below $1,082 counts as a good deal.

Your guide to booking St. Louis to Thera flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Tuesday. On this route, Wednesday flights average $1,011 - about $384 less than Tuesday (28% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Thera trip for April. Fares historically average $805 round-trip in that month - typically $834 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Thera Santorini Airport.
    - Amaria Beach Resort
    - Santorini Kastelli Resort
    - Rk Beach Hotel

More options for your flight from St. Louis to Thera

Complete your trip to Thera with a hotel stay or car rental

Car rentals in Thera
Hotels in Thera
Vacations in Thera