STL - JTR

$1,389 Find Cheap Flights from St. Louis to Santorini (Thira) - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,389
Typical prices: $1,082-$1,418
Multiple Airlines
Tue 12/11Tue 12/18
STL - JTR • 2 stops
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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

Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
4:05 pm - 2:25 pmSTL  Lambert-St Louis-JTR Thera Santorini
38h 20m2 stops Toronto Pearson Intl Athens Eleftherios V.
Multiple Airlines Logo
9:35 pm - 1:45 pmJTR  Thera Santorini-STL Lambert-St Louis
48h 10m2 stops Athens Eleftherios V. Frankfurt am Main
$1,389Multiple Airlines
Fri, Dec 11 - Fri, Dec 18
Air Canada Logo
6:55 pm - 3:05 pmSTL  Lambert-St Louis-JTR Thera Santorini
36h 10m3 stops Chicago O'Hare Intl Toronto Pearson Intl Athens Eleftherios V.
Air Canada Logo
6:00 am - 11:38 pmJTR  Thera Santorini-STL Lambert-St Louis
25h 38m3 stops Athens Eleftherios V. Toronto Pearson Intl Chicago O'Hare Intl
$1,782Air Canada
Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
4:05 pm - 3:05 pmSTL  Lambert-St Louis-JTR Thera Santorini
39h 00m2 stops Toronto Pearson Intl Athens Eleftherios V.
Multiple Airlines Logo
11:55 am - 3:26 pmJTR  Thera Santorini-STL Lambert-St Louis
35h 31m3 stops Athens Eleftherios V. London Heathrow Toronto Pearson Intl
$3,326Multiple 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 with more confidence.

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

Air Canada ($1,782) offered the cheapest round-trip ticket from St. Louis to Thera in the last 5 days.

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Key details for St. Louis to Thera flights

Cheapest flight

$1,389
Round-trip flight from St. Louis to Thera

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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

  • 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 $1,418, with an average of $1,207 over the past 12 months. Anything below $1,082 counts as a good deal.

  • 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 $1,389 to $3,326. That means the highest observed fare was about 2x higher than the lowest one.

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

    Thera Santorini Airport (JTR) hosts 5 major car rental companies, with daily rates averaging $31 for economy cars. Top options include:

    • Centauro
    • CarQ
    • Europcar
    • Exer Rent a Car
    • ADDCAR RENTAL

  • 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).

  • 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.

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

    Yes. Flexible dates can save you up to 28% on flights from St. Louis to Thera. 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.

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

    Thera is 7 hours ahead of St. Louis (Eastern European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

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 are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $1,011, about $384 less than Tuesday fares (28% savings) 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.

    • Santorini Kastelli Resort
    • Amaria Beach Resort
    • Aegean Gem

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