Cheap Delta flights from Ontario to St. Thomas (ONT→STT)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Ontario (ONT) to St. Thomas (STT)

February is typically the cheapest month to fly

From ₹46,992 - ₹81,830 per traveller.
Flight from Ontario to St. Thomas route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cyril E. King
Distance
5437 km

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cyril E. King Airport (STT)?
Scoring cheap one-way Delta Air Lines flights from ONT to STT on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to STT with Delta Air Lines?
September is one of the cheapest months to travel to St. Thomas with Delta Air Lines. You could also find excellent prices on one-way and round-trip tickets in October.
Does Delta Air Lines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Cyril E. King Airport (STT)?
Fill in your dates, click search and check the "Nonstop" filter on Expedia to browse any direct flights from ONT to STT with Delta Air Lines or other carriers.
What airports does Delta Air Lines fly into in St. Thomas?
Cyril E. King Airport (STT) is the main St. Thomas gateway for Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT).
Can I change or cancel my Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Cyril E. King Airport (STT)?
Depending on your fare type, a fee may apply if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To secure plane tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while searching for flights. For additional information on cancelling or modifying your reservation, head to "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.