$397 Find cheap flights from Houston to Porto

In the last 3 days, the lowest price for a flight from Houston to Porto was $397 for a one-way ticket and $834 for a round-trip.

A passport is required to fly from Houston to Porto.

There are 2 airports in Houston (Houston Hobby and Houston George Bush Intcntl.) and only 1 airport in Porto (Porto). The cheapest flights are generally found on the Houston George Bush Airport to Porto flight route.

We unfortunately don’t have that data for this specific route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Houston and Porto, with Star Alliance being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston to Porto.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Houston is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Houston with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Houston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.