Cheapest return flights from Houston to Istanbul in April from 638€

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

Return flights

13 Apr - 27 Apr KLM
03 Apr - 17 Apr Frontier Airlines
23 Apr - 27 Apr Austrian Airlines
04 Apr - 08 Apr KLM
02 Apr - 19 Apr KLM
02 Apr - 06 Apr KLM
09 Apr - 12 Apr KLM
16 Apr - 26 Apr Lufthansa
16 Apr - 20 Apr Lufthansa
30 Apr - 14 May KLM
30 Apr - 15 May KLM
16 Apr - 30 Apr Qatar Airways
25 Apr - 09 May KLM

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

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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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