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George Bush Intercontinental Airport to Porto Airport flight

Explore the cheapest one-way and round-trip flights from George Bush Intercontinental Airport to Porto Airport over the next 90 days, with one-way fares from $665 and round-trip from $617. Based on Trip.com's latest 7-day flight data.

    • IAH 10:58 AM
      15h 17m
      1 stop
      OPO 8:15 AM
      Houston - Porto | Wed, Nov 4 | Delta Air Lines
      OPO 4:10 PM
      27h
      1 stop
      IAH 1:10 PM
      Porto - Houston | Tue, Nov 10 | KLM
      $617 $864
      28% off
      28% off
      $864 $617
    • IAH 10:58 AM
      15h 17m
      1 stop
      OPO 7:15 AM
      Houston - Porto | Wed, Oct 28 | Delta Air Lines
      OPO 4:10 PM
      27h
      1 stop
      IAH 1:10 PM
      Porto - Houston | Wed, Nov 4 | KLM
      $619 $864
      28% off
      28% off
      $864 $619
    • IAH 6:55 PM
      31h 20m
      1 stop
      OPO 8:15 AM
      Houston - Porto | Tue, Nov 17 | Delta Air Lines
      OPO 9:55 AM
      33h 15m
      1 stop
      IAH 1:10 PM
      Porto - Houston | Tue, Nov 24 | KLM
      $647 $864
      25% off
      25% off
      $864 $647
    • IAH 7:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Tue, Nov 17 | Air France
      OPO 11:15 AM
      31h 55m
      1 stop
      IAH 1:10 PM
      Porto - Houston | Wed, Nov 25 | KLM
      $647
      25% off
      $864 $647
    • IAH 7:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Tue, Nov 17 | KLM
      OPO 5:00 AM
      14h 5m
      1 stop
      IAH 1:05 PM
      Porto - Houston | Tue, Nov 24 | KLM
      $647
      25% off
      $864 $647
    • IAH 7:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Mon, Nov 16 | Air France
      OPO 11:15 AM
      31h 55m
      1 stop
      IAH 1:10 PM
      Porto - Houston | Tue, Nov 24 | KLM
      $647
      25% off
      $864 $647
    • IAH 7:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Mon, Nov 16 | KLM
      OPO 9:55 AM
      33h 15m
      1 stop
      IAH 1:10 PM
      Porto - Houston | Tue, Nov 24 | KLM
      $647
      25% off
      $864 $647
    • IAH 4:50 PM
      19h
      1 stop
      OPO 4:50 PM
      Houston - Porto | Wed, Oct 28 | British Airways
      OPO 6:40 PM
      31h 15m
      1 stop
      IAH 7:55 PM
      Porto - Houston | Wed, Nov 4 | British Airways
      $660
      24% off
      $864 $660
    • IAH 9:40 PM
      15h 30m
      1 stop
      OPO 7:10 PM
      Houston - Porto | Fri, Dec 11 | British Airways
      OPO 5:35 PM
      32h 20m
      1 stop
      IAH 7:55 PM
      Porto - Houston | Mon, Dec 14 | British Airways
      $708
      18% off
      $864 $708
    • HOU 1:00 PM
      17h 25m
      1 stop
      OPO 2:00 PM
      Houston - Porto | Wed, Oct 28 | Normal Airline
      OPO 3:00 PM
      6h
      Nonstop
      HOU 4:00 PM
      Porto - Houston | Fri, Oct 30 | Normal Airline
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    • Cheapest
      IAH 3:55 PM
      37h
      1 stop
      OPO 9:55 AM
      Houston - Porto | Thu, Oct 29 | Turkish Airlines
      $665 $1,247
      47% off
      47% off
      $1,247 $665
    • IAH 6:45 PM
      31h 30m
      1 stop
      OPO 7:15 AM
      Houston - Porto | Thu, Oct 29 | Delta Air Lines
      $668 $1,247
      46% off
      46% off
      $1,247 $668
    • IAH 9:44 AM
      18h 46m
      1 stop
      OPO 9:30 AM
      Houston - Porto | Thu, Oct 29 | United Airlines
      $682 $1,247
      45% off
      45% off
      $1,247 $682
    • IAH 1:54 PM
      15h 51m
      1 stop
      OPO 10:45 AM
      Houston - Porto | Thu, Oct 29 | TAP Air Portugal
      $685
      45% off
      $1,247 $685
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | British Airways
      $686
      45% off
      $1,247 $686
    • IAH 5:10 PM
      24h 15m
      1 stop
      OPO 10:25 PM
      Houston - Porto | Thu, Oct 29 | Lufthansa
      $693
      44% off
      $1,247 $693
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | American Airlines
      $796
      36% off
      $1,247 $796
    • IAH 11:56 AM
      16h 34m
      1 stop
      OPO 9:30 AM
      Houston - Porto | Thu, Oct 29 | Brussels Airlines
      $809
      35% off
      $1,247 $809
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | Iberia
      $819
      34% off
      $1,247 $819
    • HOU 1:00 PM
      17h 25m
      1 stop
      OPO 2:00 PM
      Houston - Porto | Wed, Oct 28 | Normal Airline
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    • IAH 1:54 PM
      15h 51m
      1 stop
      OPO 10:45 AM
      Houston - Porto | Thu, Oct 29 | TAP Air Portugal
      $685 $1,247
      45% off
      45% off
      $1,247 $685
    • IAH 11:56 AM
      16h 34m
      1 stop
      OPO 9:30 AM
      Houston - Porto | Thu, Oct 29 | Brussels Airlines
      $809 $1,247
      35% off
      35% off
      $1,247 $809
    • IAH 9:44 AM
      18h 46m
      1 stop
      OPO 9:30 AM
      Houston - Porto | Thu, Oct 29 | United Airlines
      $682 $1,247
      45% off
      45% off
      $1,247 $682
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | British Airways
      $686
      45% off
      $1,247 $686
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | American Airlines
      $796
      36% off
      $1,247 $796
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | Iberia
      $819
      34% off
      $1,247 $819
    • IAH 4:50 PM
      19h 25m
      1 stop
      OPO 5:15 PM
      Houston - Porto | Thu, Oct 29 | Finnair
      $825
      34% off
      $1,247 $825
    • IAH 8:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Thu, Oct 29 | Air France
      $1,047
      16% off
      $1,247 $1,047
    • IAH 8:10 PM
      20h 50m
      1 stop
      OPO 10:00 PM
      Houston - Porto | Thu, Oct 29 | KLM
      $1,047
      16% off
      $1,247 $1,047
    • HOU 1:00 PM
      17h 25m
      1 stop
      OPO 2:00 PM
      Houston - Porto | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Houston to Porto are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from George Bush Intercontinental Airport to Porto Airport?

The cheapest airline flying from George Bush Intercontinental Airport to Porto Airport is Frontier Airlines (from $497) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $497
Turkish Airlines
From $665
Delta Air Lines
From $668
United Airlines
From $682
TAP Air Portugal
From $685
British Airways
From $686
Lufthansa
From $693
American Airlines
From $796
Brussels Airlines
From $809
Iberia
From $819

Find more flights and airlines

What is the flight schedule from George Bush Intercontinental Airport to Porto Airport?

Check the schedule for flights from Houston to Porto and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. TP8531

    George Bush Intercontinental Airport

    9:35 AM

    IAH

    3h 35m

    Nonstop

    2:10 PM

    EWR

    S M T W T F S
    Search

  2. TP214

    Newark Liberty Intl. Airport Airport

    12:05 AM

    EWR

    6h 40m

    Nonstop

    10:45 AM

    OPO

    - - T - T - S

  3. UA1318

    George Bush Intercontinental Airport

    11:56 AM

    IAH

    3h 33m

    Nonstop

    4:29 PM

    EWR

    S M T W T F S
    Search

  4. UA144

    Newark Liberty Intl. Airport Airport

    10:45 PM

    EWR

    6h 45m

    Nonstop

    9:30 AM

    OPO

    S M T W T F S

  5. SN8882

    George Bush Intercontinental Airport

    12:00 PM

    IAH

    3h 33m

    Nonstop

    4:33 PM

    EWR

    S M T W T F S
    Search

  6. SN9030

    Newark Liberty Intl. Airport Airport

    9:50 PM

    EWR

    6h 55m

    Nonstop

    9:45 AM

    OPO

    S M T W T F S

  7. LH441

    George Bush Intercontinental Airport

    3:40 PM

    IAH

    9h 40m

    Nonstop

    8:20 AM

    FRA

    S M T W T F S
    Search

  8. LH1176

    Frankfurt Intl. Airport

    1:35 PM

    FRA

    2h 50m

    Nonstop

    3:25 PM

    OPO

    S M T W T F S

  9. UA2402

    George Bush Intercontinental Airport

    9:44 AM

    IAH

    3h 27m

    Nonstop

    2:11 PM

    EWR

    S M T W T F S
    Search

  10. UA144

    Newark Liberty Intl. Airport Airport

    10:45 PM

    EWR

    6h 45m

    Nonstop

    9:30 AM

    OPO

    S M T W T F S

  11. DL2140

    George Bush Intercontinental Airport

    10:58 AM

    IAH

    3h 31m

    Nonstop

    3:29 PM

    LGA

    S M T W T - S
    Search

  12. VS3895

    John F Kennedy Intl. Airport

    7:50 PM

    JFK

    7h 10m

    Nonstop

    8:00 AM

    LIS

    S M T W T F S

  13. TP1924

    Humberto Delgado Airport

    10:00 AM

    LIS

    45m

    Nonstop

    10:45 AM

    OPO

    S M T W T F S

  14. BA194

    George Bush Intercontinental Airport

    3:50 PM

    IAH

    9h

    Nonstop

    6:50 AM

    LHR

    S M T W T F S
    Search

  15. BA2666

    Gatwick Airport

    8:15 AM

    LGW

    2h 40m

    Nonstop

    10:55 AM

    OPO

    S - T W T F S

  16. AA6951

    George Bush Intercontinental Airport

    3:30 PM

    IAH

    9h 10m

    Nonstop

    6:40 AM

    LHR

    S M T W T F S
    Search

  17. BA2666

    Gatwick Airport

    8:15 AM

    LGW

    2h 40m

    Nonstop

    10:55 AM

    OPO

    S - T W T F S

  18. IB3576

    George Bush Intercontinental Airport

    3:30 PM

    IAH

    9h 10m

    Nonstop

    6:40 AM

    LHR

    S M T W T F S
    Search

  19. BA2666

    Gatwick Airport

    8:15 AM

    LGW

    2h 40m

    Nonstop

    10:55 AM

    OPO

    S - T W T F S

  20. AY5494

    George Bush Intercontinental Airport

    3:30 PM

    IAH

    9h 10m

    Nonstop

    6:40 AM

    LHR

    S M T W T F S
    Search

  21. BA2666

    Gatwick Airport

    8:15 AM

    LGW

    2h 40m

    Nonstop

    10:55 AM

    OPO

    S - T W T F S
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About George Bush Intercontinental Airport and Porto Airport

Learn about George Bush Intercontinental Airport (IAH) and Porto Airport (OPO) — including location, terminals, transportation, and travel tips.

Flight distance 7,620.16 km
Cheapest one-way ticket price $665
Cheapest return ticket price $617

FAQs for George Bush Intercontinental Airport to Porto Airport Flights

  • 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 9 km. It takes about 20 minutes by taxi.
  • The closest airport to Porto Airport (OPO) is Viseu Airport. The distance is around 87 km.
  • One-way flights from George Bush Intercontinental Airport to Porto Airport currently start from $665, and round-trip fares start from $617. The current lowest fare is a Turkish Airlines flight departing on Thu, Oct 29; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from George Bush Intercontinental Airport to Porto Airport is $652. Prices may vary depending on the departure date, airline, and availability.
  • Enter George Bush Intercontinental Airport and Porto Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.