Cheapest return flights from Houston to Istanbul in April from 583€

AirHint found the following cheapest return flights from Houston (HOU) to Istanbul (IST) in April 2026 (see full year).

Return flights

27 Apr - 18 May Spirit Airlines
24 Apr - 08 May Spirit Airlines
25 Apr - 09 May Spirit Airlines
04 Apr - 20 Apr KLM
13 Apr - 23 Apr KLM
30 Apr - 15 May Spirit Airlines
21 Apr - 05 May Spirit Airlines
03 Apr - 06 Apr KLM
02 Apr - 12 Apr KLM
04 Apr - 11 Apr KLM
17 Apr - 25 Apr KLM
18 Apr - 25 Apr KLM
18 Apr - 02 May KLM
30 Apr - 14 May Spirit Airlines
30 Apr - 09 May Spirit Airlines
27 Apr - 01 May KLM
21 Apr - 05 May Turkish Airlines direct
13 Apr - 23 Apr Turkish Airlines direct
04 Apr - 11 Apr Turkish Airlines direct
17 Apr - 25 Apr Turkish Airlines direct

Also check the deals for one-way flights from Houston to Istanbul in April.

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