AirHint found the following cheapest return flights from Ontario (ONT) to Bangkok (BKK)
in May 2025 (see full year ).
Return flights
05 May
- 19 May
China Airlines
$ 851
08 May
- 12 May
China Airlines
$ 851
08 May
- 13 May
China Airlines
$ 857
08 May
- 25 May
China Airlines
$ 862
01 May
- 15 May
China Airlines
$ 862
07 May
- 14 May
China Airlines
$ 867
01 May
- 08 May
China Airlines
$ 867
01 May
- 05 May
China Airlines
$ 868
07 May
- 21 May
China Airlines
$ 875
12 May
- 19 May
China Airlines
$ 875
19 May
- 03 Jun
Korean Air
$ 912
15 May
- 30 Jun
China Airlines
$ 1060
17 May
- 07 Jun
Korean Air
$ 1154
21 May
- 11 Jun
China Airlines
$ 1279
27 May
- 24 Jun
China Airlines
$ 1352
26 May
- 10 Jun
China Airlines
$ 1352
22 May
- 01 Jun
China Airlines
$ 1356
31 May
- 08 Jun
China Airlines
$ 1387
29 May
- 13 Jun
China Airlines
$ 1387
23 May
- 11 Jun
China Airlines
$ 1387
Also check the deals for one-way flights from Ontario to Bangkok in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
