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Flights from Houston to Porto
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Flights from Houston to Porto Starting at £395

For as little as £395, you can take your next adventure to Porto without breaking the bank. Choose between one-way and return tickets from Houston below.

  • One way
  • Round-trip
      • IAH06:20
        22h 15m
        1 stop
        OPO10:35
        Sun, Aug 25|Houston - Porto|Delta Air Lines
        £395£927
        56% OFF
        56% OFF
        £927£395
      • IAH16:20
        24h 10m
        1 stop
        OPO22:30
        Sat, Jul 6|Houston - Porto|United Airlines
        £407£927
        56% OFF
        56% OFF
        £927£407
      • IAH18:39
        21h 51m
        1 stop
        OPO22:30
        Sat, Aug 31|Houston - Porto|United Airlines
        £415£927
        55% OFF
        55% OFF
        £927£415
      • IAH13:30
        16h 15m
        1 stop
        OPO11:45
        Sun, Sep 15|Houston - Porto|Air Canada
        £455
        £455
      • IAH13:50
        14h 45m
        1 stop
        OPO10:35
        Mon, Aug 26|Houston - Porto|United Airlines
        £456
        £456
      • IAH14:30
        14h 5m
        1 stop
        OPO10:35
        Sun, Aug 25|Houston - Porto|United Airlines
        £470
        £470
      • HOU11:20
        17h 15m
        1 stop
        OPO10:35
        Sun, Aug 25|Houston - Porto|Southwest Airlines
        £491
        £491
      • IAH06:00
        18h 55m
        1 stop
        OPO06:55
        Wed, Jul 3|Houston - Porto|United Airlines
        £614
        £614
      • IAH15:35
        18h
        1 stop
        OPO15:35
        Wed, Jul 17|Houston - Porto|Lufthansa
        £639
        £639
      • IAH15:35
        13h 45m
        1 stop
        OPO11:20
        Wed, Jul 24|Houston - Porto|Lufthansa
        £640
        £640
      • HOU13:00
        3h 5m
        Direct
        OPO14:00
        Wed, Jul 10|Houston - Porto|Delta Air Lines
        Find More Flights
        Find More Flights

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

Find the best time to fly from Houston to Porto

These price trend charts carefully monitor and predict how flight prices from Houston to Porto will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Houston to Porto

We have a range of prices from different airlines providing flights from Houston to Porto. Check below for the journey which best suits your travel needs.

American Airlines
From £307
WestJet
From £322
United Airlines
From £365
Spirit Airlines
From £381
Frontier Airlines
From £385
Jetblue Airways
From £394
Delta Air Lines
From £395
TAP Air Portugal
From £449
Air Canada
From £455
Southwest Airlines
From £491
ANA airlines

Find more flights and airlines

Alternative Routes from Houston to Porto

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Porto from Houston which could help you save money and time.

  • Cheapest
    American Airlines
    IAH
    19:39
    15h 31m
    2 transfer
    OPO
    17:10
    George Bush Intercontinental Airport - Francisco Sa Carneiro International Airport
    Sun, Jul 14American Airlines
    £307
  • American Airlines
    HOU
    14:36
    20h 14m
    2 transfer
    OPO
    16:50
    William P. Hobby Airport - Francisco Sa Carneiro International Airport
    Wed, Jul 24American Airlines
    £310
  • American Airlines
    HOU
    14:36
    20h 14m
    2 transfer
    OPO
    16:50
    William P. Hobby Airport - Francisco Sa Carneiro International Airport
    Wed, Jul 24American Airlines
    £310
    Find More Flights

How do I find the cheapest flights?

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

    Airlines adjust prices for flights from Houston to Porto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Houston (HOU) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around £1,553.

  • What is the transportation method from the main airport to downtown in Porto?

    • The distance from Francisco Sa Carneiro International Airport to downtown is about 9km. It takes about 20 minutes by taxi.

How to find a cheap flight from Houston to Porto

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Houston to Porto

Cheapest nonstop flight price

£395

Off-season for travel

March

Peak season for travel

August

Flight distance

7,629.91km

Popular airline

American Airlines

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