App
Customer Support
MYR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Ontario to Saint Thomas Starting at MYR 1,209

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • ONT10:15 pm
        12h 34m
        1 stop
        STT01:49 pm
        Sun, May 4|Ontario - Saint Thomas|Delta Air Lines
        MYR 1,209MYR 3,110
        61% OFF
        61% OFF
        MYR 3,110MYR 1,209

        Choose Delta Air Lines flights from Ontario to Saint Thomas. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Sun, May 4, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,209 including taxes and charges.

      • ONT06:05 am
        30h 38m
        1 stop
        STT03:43 pm
        Fri, Apr 4|Ontario - Saint Thomas|United Airlines
        MYR 1,366MYR 3,110
        56% OFF
        56% OFF
        MYR 3,110MYR 1,366

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Apr 4, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,366 including taxes and charges.

      • ONT10:50 pm
        8h 54m
        1 stop
        STT11:44 am
        Tue, Feb 25|Ontario - Saint Thomas|American Airlines
        MYR 1,381MYR 3,110
        56% OFF
        56% OFF
        MYR 3,110MYR 1,381

        Choose American Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with American Airlines departs from Ontario International Airport on Tue, Feb 25, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,381 including taxes and charges.

      • ONT06:00 am
        30h 33m
        1 stop
        STT04:33 pm
        Fri, Feb 21|Ontario - Saint Thomas|United Airlines
        MYR 1,400
        MYR 1,400

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Feb 21, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,400 including taxes and charges.

      • ONT10:50 pm
        8h 54m
        1 stop
        STT11:44 am
        Tue, Mar 4|Ontario - Saint Thomas|American Airlines
        MYR 1,582
        MYR 1,582

        Choose American Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with American Airlines departs from Ontario International Airport on Tue, Mar 4, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,582 including taxes and charges.

      • ONT06:05 am
        30h 38m
        1 stop
        STT03:43 pm
        Fri, Apr 18|Ontario - Saint Thomas|United Airlines
        MYR 1,686
        MYR 1,686

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Apr 18, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,686 including taxes and charges.

      • ONT06:10 am
        30h 33m
        1 stop
        STT03:43 pm
        Fri, Apr 25|Ontario - Saint Thomas|United Airlines
        MYR 1,702
        MYR 1,702

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Apr 25, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,702 including taxes and charges.

      • ONT10:15 pm
        12h 34m
        1 stop
        STT01:49 pm
        Thu, Apr 17|Ontario - Saint Thomas|Delta Air Lines
        MYR 1,895
        MYR 1,895

        Choose Delta Air Lines flights from Ontario to Saint Thomas. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Thu, Apr 17, arriving at Cyril E. King Airport. One-way Prices start from MYR 1,895 including taxes and charges.

      • ONT06:00 am
        30h 33m
        1 stop
        STT03:33 pm
        Fri, Mar 28|Ontario - Saint Thomas|United Airlines
        MYR 2,282
        MYR 2,282

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Fri, Mar 28, arriving at Cyril E. King Airport. One-way Prices start from MYR 2,282 including taxes and charges.

      • ONT06:00 am
        31h 35m
        1 stop
        STT04:35 pm
        Wed, Mar 12|Ontario - Saint Thomas|United Airlines
        MYR 2,286
        MYR 2,286

        Choose United Airlines flights from Ontario to Saint Thomas. The one-way connecting flight with United Airlines departs from Ontario International Airport on Wed, Mar 12, arriving at Cyril E. King Airport. One-way Prices start from MYR 2,286 including taxes and charges.

      • ONT01:00 pm
        3h 5m
        Nonstop
        STT02:00 pm
        Sun, Feb 23|Ontario - Saint Thomas|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Los Angeles to Saint Thomas Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2635

    American Airlines

    02:54 pm

    ONT

    2.9h

    07:47 pm

    DFW

    SMTWTFS
    Search

  2. AA2929

    American Airlines

    05:00 am

    DFW

    2.8h

    08:46 am

    MIA

    SMTWTFS

  3. AA2159

    American Airlines

    01:56 pm

    MIA

    2.8h

    05:41 pm

    STT

    SMTWTFS

  4. UA1575

    United Airlines

    05:05 am

    ONT

    2.3h

    08:24 am

    DEN

    SMTWTFS
    Search

  5. UA1339

    United Airlines

    09:43 am

    DEN

    5.8h

    05:30 pm

    SJU

    SMTWTFS

  6. F94894

    Frontier Airlines

    12:00 pm

    SJU

    0.8h

    12:49 pm

    STT

    S---T--

  7. DL3933

    Delta Air Lines

    05:05 pm

    ONT

    1.8h

    07:55 pm

    SLC

    SMTWTFS
    Search

  8. DL912

    Delta Air Lines

    11:35 pm

    SLC

    3.7h

    05:19 am

    ATL

    SMTWTFS

  9. DL1889

    Delta Air Lines

    11:25 am

    ATL

    3.7h

    03:06 pm

    STT

    SMTWTFS

  10. AA1666

    American Airlines

    07:35 pm

    ONT

    1.3h

    09:51 pm

    PHX

    S-TWT-S
    Search

  11. AA1587

    American Airlines

    09:45 pm

    PHX

    4.8h

    05:35 am

    JFK

    SMTWTFS

  12. AA3043

    American Airlines

    08:34 am

    JFK

    3.8h

    01:24 pm

    STT

    -----F-

  13. AA1666

    American Airlines

    07:35 pm

    ONT

    1.3h

    09:51 pm

    PHX

    S-TWT-S
    Search

  14. AA1742

    American Airlines

    11:50 pm

    PHX

    4.0h

    06:48 am

    CLT

    SMTWTFS

  15. AA2684

    American Airlines

    07:20 am

    CLT

    3.6h

    10:55 am

    STT

    SMTWTFS

  16. F92677

    Frontier Airlines

    08:26 am

    ONT

    1.6h

    10:02 am

    SFO

    SMTWTFS
    Search

  17. UA505

    United Airlines

    11:59 pm

    SFO

    3.9h

    05:53 am

    IAH

    SMTWTFS

  18. UA1908

    United Airlines

    09:48 am

    IAH

    4.9h

    03:43 pm

    STT

    -----F-

  19. AA1199

    American Airlines

    10:05 am

    ONT

    1.2h

    12:17 pm

    PHX

    SMTWTFS
    Search

  20. AA556

    American Airlines

    07:50 pm

    PHX

    2.3h

    12:10 am

    DFW

    SMTWTFS

  21. AA416

    American Airlines

    10:00 am

    DFW

    5.0h

    05:00 pm

    STT

    -----F-

  22. F92232

    Frontier Airlines

    10:52 am

    ONT

    1.2h

    12:04 pm

    LAS

    SM-WTF-
    Search

  23. UA406

    United Airlines

    11:36 pm

    LAS

    4.9h

    07:30 am

    EWR

    SMTWTFS

  24. UA1529

    United Airlines

    11:38 am

    EWR

    4.1h

    03:43 pm

    STT

    SMTWTFS

  25. F92232

    Frontier Airlines

    10:52 am

    ONT

    1.2h

    12:04 pm

    LAS

    SM-WTF-
    Search

  26. UA284

    United Airlines

    11:30 pm

    LAS

    4.4h

    06:55 am

    IAD

    SMTWTFS

  27. UA1443

    United Airlines

    08:57 am

    IAD

    4.1h

    01:01 pm

    STT

    SMTWTFS

  28. AA2776

    American Airlines

    11:11 pm

    ONT

    4.5h

    06:40 am

    CLT

    SMTWTFS
    Search

  29. AA2684

    American Airlines

    07:20 am

    CLT

    3.6h

    10:55 am

    STT

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Ontario to Saint Thomas?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Ontario (ONT) to Saint Thomas (STT) the cheapest?

    Airlines adjust prices for flights from Ontario to Saint Thomas based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ontario (ONT) to Saint Thomas (STT) cost?

    According to Trip.com's data, the lowest price is around MYR 2,992.

  • What is the transportation method from the main airport to downtown in Saint Thomas?

    • The distance from Cyril E. King Airport to downtown is about 8 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Ontario to Saint Thomas

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Saint Thomas. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Ontario to Saint Thomas

Cheapest nonstop flight priceMYR 1,208
Off-season for travelDecember
Peak season for travelNovember
Flight distance7,374.17 km
Popular airlineUnited Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.