Cheapest return flights from Houston to Istanbul in April from 641€

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

Return flights

01 Apr - 15 Apr KLM
01 Apr - 15 Apr Turkish Airlines direct
09 Apr - 18 Apr Turkish Airlines direct
30 Apr - 21 May Turkish Airlines direct
29 Apr - 15 May Turkish Airlines direct
27 Apr - 18 May Turkish Airlines direct
08 Apr - 18 Apr Turkish Airlines direct
28 Apr - 12 May KLM
04 Apr - 08 Apr KLM
16 Apr - 26 Apr KLM
03 Apr - 06 Apr KLM
04 Apr - 08 Apr Turkish Airlines direct
23 Apr - 26 Apr Turkish Airlines direct
03 Apr - 06 Apr Turkish Airlines direct
28 Apr - 12 May Turkish Airlines direct
25 Apr - 09 May Turkish Airlines direct

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

Powered by

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.