Cheapest return flights from Houston to Lisbon in June from $738

Best time to book flights for Houston (IAH) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Lisbon (LIS) in June 2025 (see full year).

Return flights

03 Jun - 10 Jun Air Canada
06 Jun - 13 Jun Spirit Airlines
09 Jun - 16 Jun Spirit Airlines
02 Jun - 09 Jun Spirit Airlines
16 Jun - 23 Jun Frontier Airlines
08 Jun - 15 Jun Frontier Airlines
02 Jun - 08 Jun Spirit Airlines
15 Jun - 22 Jun Frontier Airlines
03 Jun - 11 Jun Spirit Airlines
07 Jun - 14 Jun Spirit Airlines
24 Jun - 01 Jul Spirit Airlines
23 Jun - 03 Jul Spirit Airlines
26 Jun - 03 Jul Frontier Airlines
25 Jun - 02 Jul Spirit Airlines
24 Jun - 16 Jul Spirit Airlines
27 Jun - 04 Jul Spirit Airlines
30 Jun - 14 Jul Frontier Airlines
30 Jun - 15 Jul Spirit Airlines
28 Jun - 05 Jul Spirit Airlines
29 Jun - 06 Jul Frontier Airlines

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

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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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