Cheapest return flights from Houston to Lisbon in July from $830

AirHint found the following cheapest return flights from Houston (IAH) to Lisbon (LIS) in July 2026 (see full year).

Return flights

15 Jul - 22 Jul Turkish Airlines
25 Jul - 01 Aug Air Canada
13 Jul - 20 Jul Turkish Airlines
12 Jul - 19 Jul Turkish Airlines
10 Jul - 17 Jul Brussels Airlines
02 Jul - 09 Jul Air Canada
09 Jul - 16 Jul Delta
11 Jul - 18 Jul Spirit Airlines

Also check the deals for one-way flights from Houston to Lisbon in July.

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