Trip.com
>
Flights
>
Portugal
>
Porto District
>
Flights to Porto
Hotels in Porto
>
Cheap Flights from Houston to Porto

Popular airlines from Houston to Porto

Choose from 1 carriers that fly from Houston to Porto, including Lufthansa, Enjoy the cheapest tickets on this route with United Airlines.
Lufthansa logo Lufthansa

Cheap Flights from Houston to Porto starting at S$ 921

Find the cheapest flights from Houston to Porto within the next three months. Book one-way flights from S$ 513 or return tickets from S$ 921.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Houston to Porto

The distance between Houston and Porto is about 7,629.91km. The most popular month to Porto is June. The off-season for travel is March.

Cheapest one-way flight price S$ 513
Cheapest return ticket price S$ 921
Off-season for travel March
Peak season for travel June
Flight distance 7,629.91km
Popular airline Lufthansa

Cheapest time to fly from Houston to Porto

The cheapest time for Houston to Porto flights: Jul 20 to Jul 27 — one way flight prices from S$ 414.

Cheapest flights
From price
Search
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Houston (HOU) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from Houston to Porto based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Houston (HOU) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around S$ 1,721.

  • How many airports in Porto?

    There are 1 airports near Porto: Francisco Sa Carneiro International Airport.

How to find a cheap flight from Houston to Porto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Houston to Porto. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from Houston to Porto.
Tap 'Date' on the flight search bar to browse the calendar for Houston to Porto airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Mon, Aug 11, with one-way flights starting at S$ 513.
2
Compare cheap flight deals from hundreds of airlines for Houston to Porto flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Houston to Porto. The cheapest flight at the moment is with Jetblue Airways.
3
Set up a Price Alert
Set up a Price Alert for your Houston to Porto flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for Houston to Porto flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Houston to Porto to get your exclusive deals.

Find Cheap Flights & Deals on Trip.com