$526+ Cheap flights from Suvarnabhumi (BKK) to Ontario (ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — ONT
May 15 — May 221
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Suvarnabhumi to OntarioExplore the most affordable flight options available from Suvarnabhumi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.
Explore the most affordable flight options available from Suvarnabhumi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2026.
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Tue 11/1010:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Deal found 4/14![China Airlines logo]()
$892
This SmartFares deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Sat 9/511:10 pm
ONT
- BKK
1 stop22h 50m
STARLUX Airlines
Deal found 4/12![STARLUX Airlines logo]()
$893
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Wed 8/2612:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$894
This oojo deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Mon 5/1111:10 pm
ONT
- BKK
1 stop22h 50m
STARLUX Airlines
Deal found 4/11![STARLUX Airlines logo]()
$895
This flugladen.de deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Fri 6/1911:10 pm
ONT
- BKK
1 stop22h 50m
STARLUX Airlines
Deal found 4/15![STARLUX Airlines logo]()
$896
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:30 pm
BKK
- ONT
1 stop39h 10m
China Airlines
Fri 10/212:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/15![China Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:00 am
BKK
- ONT
2 stops43h 12m
United Airlines
Sat 7/41:50 pm
ONT
- BKK
2 stops48h 45m
United Airlines
Deal found 4/14![United Airlines logo]()
$903
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Fri 9/1812:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/14![China Airlines logo]()
$904
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Thu 8/2712:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$905
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Sat 9/1912:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/14![China Airlines logo]()
$906
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Sat 9/1212:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/15![China Airlines logo]()
$909
Best flights from Suvarnabhumi to OntarioDiscover carefully curated flight deals from Suvarnabhumi to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2026.
Discover carefully curated flight deals from Suvarnabhumi to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2026.
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Tue 11/1010:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Deal found 4/13![China Airlines logo]()
$905
This United Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:45 pm
BKK
- ONT
2 stops44h 52m
United Airlines
Tue 7/284:20 pm
ONT
- BKK
2 stops41h 35m
United Airlines
Deal found 4/11![United Airlines logo]()
$944
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm
BKK
- ONT
1 stop19h 20m
China Airlines
Thu 9/1712:10 am
ONT
- BKK
1 stop22h 00m
China Airlines
Deal found 4/14![China Airlines logo]()
$906
This China Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Tue 9/812:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Deal found 4/10![China Airlines logo]()
$916
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Tue 8/2512:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/13![China Airlines logo]()
$984
This China Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:50 am
BKK
- ONT
1 stop21h 50m
China Airlines
Sat 10/1712:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/12![China Airlines logo]()
$1,051
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Sun 9/1312:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/13![China Airlines logo]()
$1,057
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Mon 9/1412:45 am
ONT
- BKK
1 stop19h 00m
China Airlines
Deal found 4/13![China Airlines logo]()
$1,057
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Mon 7/2712:45 am
ONT
- BKK
1 stop25h 35m
China Airlines
Deal found 4/15![China Airlines logo]()
$1,062
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:25 pm
BKK
- ONT
2 stops44h 15m
China Airlines
Sat 9/1212:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$1,068
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Sun 5/2412:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/13![China Airlines logo]()
$1,150
Last-minute flights from Suvarnabhumi to OntarioDiscover last-minute flight deals from Suvarnabhumi to Ontario. Data last updated April 15, 2026 and is based on user searches.
Discover last-minute flight deals from Suvarnabhumi to Ontario. Data last updated April 15, 2026 and is based on user searches.
This STARLUX Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:50 pm
BKK
- ONT
1 stop37h 15m
STARLUX Airlines
Wed 7/2211:45 pm
ONT
- BKK
1 stop22h 15m
STARLUX Airlines
Deal found 4/12![STARLUX Airlines logo]()
$950
This TeaFlight deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:50 pm
BKK
- ONT
1 stop37h 15m
Multiple Airlines
Thu 7/236:20 am
ONT
- BKK
2 stops41h 15m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,016
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Fri 8/2812:45 am
ONT
- BKK
1 stop34h 40m
China Airlines
Deal found 4/13![China Airlines logo]()
$984
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:45 pm
BKK
- ONT
2 stops34h 37m
United Airlines
Mon 8/247:13 pm
ONT
- BKK
2 stops43h 22m
United Airlines
Deal found 4/13![United Airlines logo]()
$931
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Wed 8/2612:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$894
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Thu 8/2712:45 am
ONT
- BKK
1 stop21h 25m
China Airlines
Deal found 4/13![China Airlines logo]()
$905
This United Airlines deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:45 pm
BKK
- ONT
2 stops55h 56m
United Airlines
Sun 5/1010:37 am
ONT
- BKK
2 stops51h 58m
United Airlines
Deal found 4/11![United Airlines logo]()
$938
This oojo deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Sat 5/912:10 am
ONT
- BKK
1 stop19h 35m
China Airlines
Deal found 4/11![China Airlines logo]()
$996
This oojo deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Mon 5/1111:10 pm
ONT
- BKK
1 stop22h 50m
STARLUX Airlines
Deal found 4/11![STARLUX Airlines logo]()
$895
This oojo deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Fri 5/2211:10 pm
ONT
- BKK
1 stop27h 30m
STARLUX Airlines
Deal found 4/12![STARLUX Airlines logo]()
$979
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:50 am
BKK
- ONT
1 stop21h 10m
China Airlines
Tue 11/1010:50 pm
ONT
- BKK
1 stop26h 55m
China Airlines
Deal found 4/14![China Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
BKK
- ONT
2 stops24h 52m
United Airlines
Tue 11/106:00 am
ONT
- BKK
2 stops32h 10m
United Airlines
Deal found 4/14![United Airlines logo]()
$958
One-way flights from Suvarnabhumi to OntarioSearch for one-way flight options from Suvarnabhumi to Ontario. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
Search for one-way flight options from Suvarnabhumi to Ontario. Find affordable one-way fares based on user searches. Data last updated April 15, 2026.
This oojo deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/14![STARLUX Airlines logo]()
$526
This oojo deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/13![STARLUX Airlines logo]()
$527
This oojo deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/15![STARLUX Airlines logo]()
$528
This China Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:40 am
BKK
- ONT
1 stop29h 20m
China Airlines
Deal found 4/15![China Airlines logo]()
$529
This China Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/14![China Airlines logo]()
$531
This iWofly deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/11![STARLUX Airlines logo]()
$532
This iWofly deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/13![STARLUX Airlines logo]()
$535
This FlightHub deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/81:10 pm
BKK
- ONT
1 stop17h 55m
STARLUX Airlines
Deal found 4/13![STARLUX Airlines logo]()
$536
This China Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:20 pm
BKK
- ONT
1 stop18h 40m
China Airlines
Deal found 4/13![China Airlines logo]()
$538
Find flight deals from Suvarnabhumi to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $892 (China Airlines) |
One-way from | $526 (oojo) |
Popular in | July |
Cheapest in | February |
Average price | $786 |
Cheapflights Fare Finder
Customize your flight search to find flights from Suvarnabhumi to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Thu 5/14
1:20 pm-6:00 pm
1 stop18h 40m
Ontario
Tue 11/10
10:50 pm-4:45 pm
1 stop26h 55m
$905
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Thu 9/10
1:20 pm-6:40 pm
1 stop19h 20m
Ontario
Thu 9/17
12:10 am-12:10 pm
1 stop22h 00m
$906
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Mon 9/7
10:50 am-6:40 pm
1 stop21h 50m
Ontario
Tue 9/8
12:45 am-4:20 pm
1 stop25h 35m
$916
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Sat 6/20
3:45 pm-10:37 pm
2 stops44h 52m
Ontario
Tue 7/28
4:20 pm-11:55 pm
2 stops41h 35m
$944
Quickest round-trip
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Wed 5/6
1:20 pm-6:00 pm
1 stop18h 40m
Ontario
Tue 8/25
12:45 am-9:45 am
1 stop19h 00m
$984
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Tue 8/11
10:50 am-6:40 pm
1 stop21h 50m
Ontario
Sat 10/17
12:10 am-9:45 am
1 stop19h 35m
$1,051
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Sat 4/25
1:20 pm-6:00 pm
1 stop18h 40m
Ontario
Sun 9/13
12:45 am-9:45 am
1 stop19h 00m
$1,057
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Sat 4/25
1:20 pm-6:00 pm
1 stop18h 40m
Ontario
Mon 9/14
12:45 am-9:45 am
1 stop19h 00m
$1,057
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Fri 6/19
2:40 am-6:00 pm
1 stop29h 20m
Ontario
Mon 7/27
12:45 am-4:20 pm
1 stop25h 35m
$1,062
BangkokOntario
BKK - ONT
BKKONT
Bangkok Suvarnabhumi
Thu 9/10
12:25 pm-6:40 pm
2 stops44h 15m
Ontario
Sat 9/12
12:45 am-12:10 pm
1 stop21h 25m
$1,068
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Suvarnabhumi to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Suvarnabhumi to Ontario in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangkok Suvarnabhumi Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangkok Suvarnabhumi Airport-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Suvarnabhumi Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Suvarnabhumi to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Suvarnabhumi with our price prediction graph.
BKK-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bangkok Suvarnabhumi Airport to Ontario
What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to Ontario?
Currently, February is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Ontario (average of $496). Flying from Bangkok Suvarnabhumi Airport to Ontario in July is currently the most expensive (average of $744). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Bangkok Suvarnabhumi Airport to Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated April 15, 2026.
See what other customers who have flown with STARLUX Airlines and China Airlines from Bangkok Suvarnabhumi Airport to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
9.0
Crew
9.2
Food
8.6
Entertainment
8.8
Overall
8.9
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Food
8.6
Entertainment
8.8
Overall
8.9
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Boarding
9.0
Crew
9.2
Food
8.6
Entertainment
8.8
Overall
8.9
Comfort
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Related info for your journey
Find useful and relevant information for your journey from Suvarnabhumi to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Suvarnabhumi to Ontario by cabin class
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 15, 2026.
Suvarnabhumi and Ontario flights
Browse other Suvarnabhumi and Ontario flight options. Last updated on April 15, 2026.
Other flights from Suvarnabhumi
Browse through other flights departing from Suvarnabhumi. Flights are based on user searches made on Cheapflights and were last updated on April 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Suvarnabhumi to Ontario
Discover the top 2 airlines that operate flights from Suvarnabhumi to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$735 | Average$886 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$738 | Average$850 | FlexibilityNo cancel fee | On-timeN/A |