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Cheap flight deals from Houston to Porto Starting at VND 10,975,396

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • IAH06:00 am
        23h 55m
        1 stop
        OPO11:55 am
        Fri, Feb 28|Houston - Porto|United Airlines
        VND 10,975,396VND 14,516,247
        24% OFF
        24% OFF
        VND 14,516,247VND 10,975,396

        Choose United Airlines flights from Houston to Porto. The one-way connecting flight with United Airlines departs from George Bush Intercontinental Airport on Fri, Feb 28, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 10,975,396 including taxes and charges.

      • HOU05:55 am
        24h
        1 stop
        OPO11:55 am
        Fri, Feb 28|Houston - Porto|Southwest Airlines
        VND 11,164,386VND 14,516,247
        23% OFF
        23% OFF
        VND 14,516,247VND 11,164,386

        Choose Southwest Airlines flights from Houston to Porto. The one-way connecting flight with Southwest Airlines departs from William P. Hobby Airport on Fri, Feb 28, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 11,164,386 including taxes and charges.

      • IAH06:01 am
        24h 54m
        1 stop
        OPO11:55 am
        Fri, Mar 14|Houston - Porto|United Airlines
        VND 11,591,362VND 14,516,247
        20% OFF
        20% OFF
        VND 14,516,247VND 11,591,362

        Choose United Airlines flights from Houston to Porto. The one-way connecting flight with United Airlines departs from George Bush Intercontinental Airport on Fri, Mar 14, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 11,591,362 including taxes and charges.

      • IAH08:43 am
        21h 7m
        1 stop
        OPO11:50 am
        Tue, Feb 18|Houston - Porto|Spirit Airlines
        VND 11,647,359
        VND 11,647,359

        Choose Spirit Airlines flights from Houston to Porto. The one-way connecting flight with Spirit Airlines departs from George Bush Intercontinental Airport on Tue, Feb 18, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 11,647,359 including taxes and charges.

      • IAH06:30 am
        23h 25m
        1 stop
        OPO11:55 am
        Fri, Feb 28|Houston - Porto|Delta Air Lines
        VND 11,731,355
        VND 11,731,355

        Choose Delta Air Lines flights from Houston to Porto. The one-way connecting flight with Delta Air Lines departs from George Bush Intercontinental Airport on Fri, Feb 28, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 11,731,355 including taxes and charges.

      • IAH07:00 am
        23h 15m
        1 stop
        OPO12:15 pm
        Tue, Feb 18|Houston - Porto|United Airlines
        VND 11,888,846
        VND 11,888,846

        Choose United Airlines flights from Houston to Porto. The one-way connecting flight with United Airlines departs from George Bush Intercontinental Airport on Tue, Feb 18, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 11,888,846 including taxes and charges.

      • IAH03:55 pm
        18h 10m
        1 stop
        OPO04:05 pm
        Wed, Feb 19|Houston - Porto|British Airways
        VND 12,077,836
        VND 12,077,836

        Choose British Airways flights from Houston to Porto. The one-way connecting flight with British Airways departs from George Bush Intercontinental Airport on Wed, Feb 19, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 12,077,836 including taxes and charges.

      • HOU06:05 am
        24h 10m
        1 stop
        OPO12:15 pm
        Tue, Feb 18|Houston - Porto|Southwest Airlines
        VND 12,102,334
        VND 12,102,334

        Choose Southwest Airlines flights from Houston to Porto. The one-way connecting flight with Southwest Airlines departs from William P. Hobby Airport on Tue, Feb 18, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 12,102,334 including taxes and charges.

      • HOU06:50 pm
        33h 50m
        1 stop
        OPO10:40 am
        Sat, Mar 29|Houston - Porto|Southwest Airlines
        VND 12,238,827
        VND 12,238,827

        Choose Southwest Airlines flights from Houston to Porto. The one-way connecting flight with Southwest Airlines departs from William P. Hobby Airport on Sat, Mar 29, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 12,238,827 including taxes and charges.

      • IAH04:30 pm
        16h 45m
        1 stop
        OPO03:15 pm
        Tue, Feb 18|Houston - Porto|Lufthansa
        VND 12,539,810
        VND 12,539,810

        Choose Lufthansa flights from Houston to Porto. The one-way connecting flight with Lufthansa departs from George Bush Intercontinental Airport on Tue, Feb 18, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from VND 12,539,810 including taxes and charges.

      • HOU01:00 pm
        3h 5m
        Nonstop
        OPO02:00 pm
        Sun, Feb 23|Houston - Porto|United Airlines
        Find More Flights
        Find More Flights

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

Houston to Porto Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. KL662

    KLM

    03:20 pm

    IAH

    9.6h

    07:55 am

    AMS

    SMTWTFS
    Search

  2. KL2607

    KLM

    09:40 am

    AMS

    2.8h

    11:25 am

    OPO

    SMTW---

  3. BA194

    British Airways

    03:30 pm

    IAH

    9.2h

    06:40 am

    LHR

    SMTWTFS
    Search

  4. BA506

    British Airways

    12:00 pm

    LHR

    2.9h

    02:55 pm

    LIS

    -MTWTFS

  5. TP1930

    TAP Air Portugal

    04:00 pm

    LIS

    1.0h

    05:00 pm

    OPO

    SMTWTFS

  6. BA194

    British Airways

    03:30 pm

    IAH

    9.2h

    06:40 am

    LHR

    SMTWTFS
    Search

  7. BA2666

    British Airways

    02:15 pm

    LGW

    2.4h

    04:40 pm

    OPO

    SMTWT-S

  8. LH441

    Lufthansa

    03:35 pm

    IAH

    9.7h

    08:15 am

    FRA

    SMTWTFS
    Search

  9. LH1178

    Lufthansa

    01:55 pm

    FRA

    2.8h

    03:45 pm

    OPO

    SMT--FS

  10. F93282

    Frontier Airlines

    07:40 pm

    IAH

    2.5h

    10:13 pm

    MDW

    S-T-T--
    Search

  11. TP244

    TAP Air Portugal

    06:00 pm

    ORD

    7.9h

    07:55 am

    LIS

    --T-T-S

  12. TP1926

    TAP Air Portugal

    10:00 am

    LIS

    0.9h

    10:55 am

    OPO

    SMTWT-S

  13. BA196

    British Airways

    09:00 pm

    IAH

    9.3h

    12:20 pm

    LHR

    SM-W-FS
    Search

  14. BA502

    British Airways

    03:00 pm

    LHR

    2.9h

    05:55 pm

    LIS

    SMTWTFS

  15. TP1936

    TAP Air Portugal

    09:00 pm

    LIS

    1.0h

    10:00 pm

    OPO

    SMTWTFS

  16. AF2955

    Air France

    09:40 am

    IAH

    2.1h

    12:46 pm

    ATL

    SMTWTFS
    Search

  17. AF031

    Air France

    04:30 pm

    ATL

    8.5h

    07:00 am

    CDG

    SMTWTFS

  18. AF1528

    Air France

    02:10 pm

    CDG

    2.3h

    03:30 pm

    OPO

    SMTWTFS

  19. DL1509

    Delta Air Lines

    10:05 am

    HOU

    1.9h

    01:02 pm

    ATL

    SMTWTFS
    Search

  20. DL8517

    Delta Air Lines

    04:30 pm

    ATL

    8.5h

    07:00 am

    CDG

    SMTWTFS

  21. DL8761

    Delta Air Lines

    07:05 am

    CDG

    2.3h

    08:25 am

    OPO

    --T----

  22. AA3435

    American Airlines

    10:15 am

    HOU

    1.4h

    11:36 am

    DFW

    SMTWTFS
    Search

  23. AA606

    American Airlines

    12:23 pm

    DFW

    3.7h

    05:04 pm

    JFK

    SMTWT-S

  24. S4274

    Azores Airlines

    09:20 pm

    JFK

    9.6h

    11:55 am

    OPO

    ----T--

  25. AA2065

    American Airlines

    11:15 am

    IAH

    2.4h

    02:39 pm

    MIA

    SMTWTFS
    Search

  26. TP224

    TAP Air Portugal

    04:35 pm

    MIA

    8.3h

    05:55 am

    LIS

    S-TWTFS

  27. TP1922

    TAP Air Portugal

    08:50 am

    LIS

    1.0h

    09:50 am

    OPO

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Houston to Porto?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • 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 VND 35,820,529.

  • 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.

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
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 Info | Houston to Porto

Cheapest nonstop flight priceVND 10,975,396
Off-season for travelFebruary
Peak season for travelMay
Flight distance7,629.91 km
Popular airlineLufthansa

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