Cheapest return flights from Houston to Porto in March from $594

Best time to book flights for Houston (IAH) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Houston (IAH) to Porto (OPO) in March 2025 (see full year).

Return flights

26 Mar - 30 Mar Spirit Airlines
02 Mar - 10 Mar British Airways
03 Mar - 11 Mar Air France
04 Mar - 12 Mar Air France
10 Mar - 18 Mar Air France
11 Mar - 19 Mar Air France
12 Mar - 20 Mar Air France
17 Mar - 25 Mar Air France
18 Mar - 26 Mar Air France
19 Mar - 27 Mar Air France
24 Mar - 01 Apr United
25 Mar - 02 Apr United
26 Mar - 03 Apr United
27 Mar - 04 Apr United
28 Mar - 05 Apr Lufthansa

Also check the deals for one-way flights from Houston to Porto in March.

Skyscanner

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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