ONT - JTR

$3,613 Find Cheap Flights from Ontario to Santorini (Thira) - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Thera!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Ontario to Thera (ONT-JTR)

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

Recent round-trip flight deals from Ontario to Thera

Wed, Dec 23 - Wed, Dec 30
Multiple Airlines Logo
11:52 pm - 4:45 pmONT  Ontario-JTR Thera Santorini
30h 53m3 stops Chicago O'Hare Intl Munich Franz Josef Strauss Athens Eleftherios V.
Multiple Airlines Logo
6:30 pm - 9:00 pmJTR  Thera Santorini-ONT Ontario
60h 30m3 stops Athens Eleftherios V. Munich Franz Josef Strauss Denver Intl
$3,613Multiple Airlines
Useful Info

Key details for Ontario to Thera flights

Cheapest flight

$3,613
Round-trip flight from Ontario to Thera

When to book flights from Ontario to Thera

Are your dates flexible? Find out the best times to travel from Ontario 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 Ontario 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 Ontario 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.

  • 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 Ontario to Thera?

    Flights from Ontario to Thera usually depart from Ontario (ONT) and arrive at Thera Santorini (JTR).

  • What is the time difference between Ontario and Thera?

    Thera is 10 hours ahead of Ontario (Eastern European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Ontario to Thera flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Ontario to Thera

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