AirHint found the following cheapest return flights from Phoenix (PHX) to Bangkok (BKK) in July 2025 (see full year).

Return flights

23 Jul - 04 Aug	Korean Air
28 Jul - 04 Aug	Korean Air
29 Jul - 04 Aug	Korean Air
30 Jul - 04 Aug	Korean Air
09 Jul - 16 Jul	Delta
14 Jul - 28 Jul	Delta
13 Jul - 27 Jul	Delta
13 Jul - 28 Jul	Delta
16 Jul - 23 Jul	Delta
13 Jul - 29 Jul	Delta
15 Jul - 05 Aug	Korean Air
31 Jul - 04 Aug	Delta
10 Jul - 14 Aug	Delta
09 Jul - 18 Jul	Korean Air

Also check the deals for one-way flights from Phoenix to Bangkok in July.

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.

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Cheapest return flights from Phoenix to Bangkok in July from 729€

Return flights