App
Customer Support
AED
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 Udon Thani to Ontario Starting at AED 2,245

Whether you’re going for a one-way or round-trip to Ontario, we’ve got you covered! Check out these different flight options from Udon Thani below.

  • One way
  • Round-trip
      • UTH19:40
        36h 20m
        2 stops
        ONT18:00
        Sat, Apr 26|Udon Thani - Ontario|Thai Lion Air
        AED 2,245AED 3,037
        26% OFF
        26% OFF
        AED 3,037AED 2,245

        Choose Thai Lion Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Lion Air departs from Udonthani Airport on Sat, Apr 26, arriving at Ontario International Airport. One-way Prices start from AED 2,245 including taxes and charges.

      • UTH09:40
        46h 20m
        2 stops
        ONT18:00
        Tue, Apr 29|Udon Thani - Ontario|Thai Lion Air
        AED 2,245AED 3,037
        26% OFF
        26% OFF
        AED 3,037AED 2,245

        Choose Thai Lion Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Lion Air departs from Udonthani Airport on Tue, Apr 29, arriving at Ontario International Airport. One-way Prices start from AED 2,245 including taxes and charges.

      • UTH20:30
        35h 30m
        2 stops
        ONT18:00
        Fri, Apr 18|Udon Thani - Ontario|Thai AirAsia
        AED 2,252AED 3,037
        26% OFF
        26% OFF
        AED 3,037AED 2,252

        Choose Thai AirAsia flights from Udon Thani to Ontario. The one-way connecting flight with Thai AirAsia departs from Udonthani Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way Prices start from AED 2,252 including taxes and charges.

      • UTH09:00
        23h
        2 stops
        ONT18:00
        Sat, Apr 26|Udon Thani - Ontario|Thai AirAsia
        AED 2,261
        AED 2,261

        Choose Thai AirAsia flights from Udon Thani to Ontario. The one-way connecting flight with Thai AirAsia departs from Udonthani Airport on Sat, Apr 26, arriving at Ontario International Airport. One-way Prices start from AED 2,261 including taxes and charges.

      • UTH09:00
        23h
        2 stops
        ONT18:00
        Tue, Apr 29|Udon Thani - Ontario|Thai AirAsia
        AED 2,261
        AED 2,261

        Choose Thai AirAsia flights from Udon Thani to Ontario. The one-way connecting flight with Thai AirAsia departs from Udonthani Airport on Tue, Apr 29, arriving at Ontario International Airport. One-way Prices start from AED 2,261 including taxes and charges.

      • UTH21:25
        34h 35m
        2 stops
        ONT18:00
        Fri, Apr 18|Udon Thani - Ontario|Thai Airways
        AED 2,264
        AED 2,264

        Choose Thai Airways flights from Udon Thani to Ontario. The one-way connecting flight with Thai Airways departs from Udonthani Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way Prices start from AED 2,264 including taxes and charges.

      • UTH17:10
        38h 50m
        2 stops
        ONT18:00
        Tue, Apr 29|Udon Thani - Ontario|Thai Vietjet Air
        AED 2,267
        AED 2,267

        Choose Thai Vietjet Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Vietjet Air departs from Udonthani Airport on Tue, Apr 29, arriving at Ontario International Airport. One-way Prices start from AED 2,267 including taxes and charges.

      • UTH15:00
        41h
        2 stops
        ONT18:00
        Sat, Apr 26|Udon Thani - Ontario|Thai Vietjet Air
        AED 2,280
        AED 2,280

        Choose Thai Vietjet Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Vietjet Air departs from Udonthani Airport on Sat, Apr 26, arriving at Ontario International Airport. One-way Prices start from AED 2,280 including taxes and charges.

      • UTH22:00
        34h
        2 stops
        ONT18:00
        Fri, Apr 18|Udon Thani - Ontario|Thai Lion Air
        AED 2,297
        AED 2,297

        Choose Thai Lion Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Lion Air departs from Udonthani Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way Prices start from AED 2,297 including taxes and charges.

      • UTH17:10
        38h 50m
        2 stops
        ONT18:00
        Fri, Apr 18|Udon Thani - Ontario|Thai Vietjet Air
        AED 2,298
        AED 2,298

        Choose Thai Vietjet Air flights from Udon Thani to Ontario. The one-way connecting flight with Thai Vietjet Air departs from Udonthani Airport on Fri, Apr 18, arriving at Ontario International Airport. One-way Prices start from AED 2,298 including taxes and charges.

      • UTH01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Sat, Mar 1|Udon Thani - Ontario|Thai Lion Air
        Find More Flights
        Find More Flights

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

Udon Thani to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. TG003

    Thai Airways

    08:40

    UTH

    1.2h

    09:50

    BKK

    SMTWTFS
    Search

  2. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  3. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  4. FD4351

    Thai AirAsia

    09:00

    UTH

    1.2h

    10:10

    BKK

    SMTWTFS
    Search

  5. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  6. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  7. VZ201

    Thai Vietjet Air

    10:10

    UTH

    1.2h

    11:20

    BKK

    SMTWTFS
    Search

  8. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  9. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  10. SL611

    Thai Lion Air

    17:10

    UTH

    1.1h

    18:15

    DMK

    SMTWTFS
    Search

  11. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  12. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  13. SL611

    Thai Lion Air

    17:10

    UTH

    1.1h

    18:15

    DMK

    SMTWTFS
    Search

  14. CI838

    China Airlines

    02:40

    BKK

    3.8h

    07:25

    TPE

    SMTWTFS

  15. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  16. VZ203

    Thai Vietjet Air

    18:30

    UTH

    1.2h

    19:40

    BKK

    SMTWTF-
    Search

  17. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  18. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  19. FD3357

    Thai AirAsia

    19:45

    UTH

    1.0h

    20:45

    DMK

    SMTWTFS
    Search

  20. CI834

    China Airlines

    10:50

    BKK

    3.7h

    15:30

    TPE

    SMTWTFS

  21. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  22. FD4353

    Thai AirAsia

    20:20

    UTH

    1.1h

    21:25

    BKK

    SMTWTFS
    Search

  23. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  24. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  25. TG009

    Thai Airways

    20:30

    UTH

    1.2h

    21:40

    BKK

    SMTWTFS
    Search

  26. CI838

    China Airlines

    02:40

    BKK

    3.8h

    07:25

    TPE

    SMTWTFS

  27. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS

  28. DD311

    Nokair Airline

    21:00

    UTH

    1.0h

    22:00

    DMK

    -M-WTFS
    Search

  29. CI832

    China Airlines

    13:20

    BKK

    3.7h

    18:00

    TPE

    SMTWTFS

  30. CI024

    China Airlines

    21:25

    TPE

    11.4h

    16:50

    ONT

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Udon Thani to Ontario?

Explore the best time to buy affordable tickets to Ontario with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

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 Udon Thani (UTH) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Udon Thani to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Udon Thani (UTH) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around AED 2,831.

How to find a cheap flight from Udon Thani to Ontario

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Being flexible with your dates to get the cheapest Udon Thani to Ontario ticket.
2
Compare cheap Udon Thani to Ontario flight deals from over hundreds of airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Udon Thani to Ontario route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Udon Thani to Ontario flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Udon Thani to Ontario to get exclusive deals for you.

Flight Info | Udon Thani to Ontario

Flight distance11,363.55 km
Popular airlineNokair

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.