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St. Louis to Francisco Sa Carneiro International Airport flight
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Cheap Flights from St. Louis to Francisco Sa Carneiro International Airport

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL07:38
        22h 17m
        1 stop
        OPO11:55
        St. Louis - Porto|Fri, Nov 22|American Airlines
        CAD 566CAD 939
        40% OFF
        40% OFF
        CAD 939CAD 566
      • STL07:08
        21h 27m
        1 stop
        OPO10:35
        St. Louis - Porto|Fri, Oct 18|American Airlines
        CAD 672CAD 939
        28% OFF
        28% OFF
        CAD 939CAD 672
      • STL15:45
        13h 55m
        1 stop
        OPO11:40
        St. Louis - Porto|Fri, Nov 22|United Airlines
        CAD 760CAD 939
        19% OFF
        19% OFF
        CAD 939CAD 760
      • STL15:45
        13h 55m
        1 stop
        OPO11:40
        St. Louis - Porto|Fri, Nov 22|Lufthansa
        CAD 807
        CAD 807
      • STL13:00
        3h 5m
        Direct
        OPO14:00
        St. Louis - Porto|Sat, Oct 12|American Airlines
        Find More Flights
        Find More Flights

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

Selected Airlines from St. Louis to Francisco Sa Carneiro International Airport
United Airlines
From CAD 559
American Airlines
From CAD 566
Lufthansa
From CAD 695
Iberia
From CAD 709
Virgin Atlantic
From CAD 748
Air Canada
From CAD 804
Finnair
From CAD 861
Delta Air Lines
From CAD 929
British Airways
From CAD 964
Air France
From CAD 971

Find more flights and airlines

Find Suitable Airport in St. Louis

  • 21.12 km from central St. Louis
    St.Louis Lambert International Airport
    Tickets From
    CAD 559
Flight Schedule from St. Louis to Francisco Sa Carneiro International Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AC8970

    Air Canada

    10:10

    STL

    1.9h

    13:04

    YYZ

    SMTWTFS
    Search

  2. AC810

    Air Canada

    22:55

    YYZ

    7.3h

    11:10

    LIS

    SMTWTFS

  3. TP1928

    TAP Air Portugal

    14:20

    LIS

    1.0h

    15:20

    OPO

    SMTWTFS

  4. UA1717

    United Airlines

    11:09

    STL

    1.4h

    12:30

    ORD

    SMTWT-S
    Search

  5. UA322

    United Airlines

    15:45

    ORD

    2.4h

    19:07

    EWR

    SMTWTFS

  6. UA144

    United Airlines

    21:55

    EWR

    6.8h

    09:45

    OPO

    SMTWTFS

  7. UA4383

    United Airlines

    11:30

    STL

    1.5h

    12:59

    ORD

    SMTWTFS
    Search

  8. UA8837

    United Airlines

    15:55

    ORD

    8.5h

    07:25

    FRA

    SMTWTFS

  9. UA8872

    United Airlines

    09:40

    FRA

    2.9h

    11:35

    OPO

    SMTWTFS

  10. VS2061

    Virgin Atlantic

    11:46

    STL

    1.7h

    13:30

    MSP

    SMTWTFS
    Search

  11. VS3934

    Virgin Atlantic

    15:35

    MSP

    8.3h

    06:50

    AMS

    SMTWTFS

  12. KL1571

    KLM

    09:05

    AMS

    2.6h

    10:40

    OPO

    SMTWTFS

  13. IB4224

    Iberia

    14:00

    STL

    2.1h

    17:09

    PHL

    SMTWTFS
    Search

  14. IB4918

    Iberia

    21:15

    PHL

    6.8h

    09:05

    LIS

    SMTWTFS

  15. TP1926

    TAP Air Portugal

    09:55

    LIS

    0.8h

    10:40

    OPO

    SMTWTFS

  16. LH449

    Lufthansa

    15:45

    STL

    8.7h

    07:25

    FRA

    --T-T-S
    Search

  17. LH1178

    Lufthansa

    14:05

    FRA

    2.8h

    15:55

    OPO

    SMTWTFS

  18. UA9067

    United Airlines

    15:45

    STL

    8.7h

    07:25

    FRA

    --T-T-S
    Search

  19. LH1176

    Lufthansa

    09:30

    FRA

    2.8h

    11:20

    OPO

    SMTWTFS

  20. LH449

    Lufthansa

    15:45

    STL

    8.7h

    07:25

    FRA

    --T-T-S
    Search

  21. LH1176

    Lufthansa

    09:30

    FRA

    2.8h

    11:20

    OPO

    SMTWTFS

  22. UA9067

    United Airlines

    15:45

    STL

    8.7h

    07:25

    FRA

    --T-T-S
    Search

  23. UA8872

    United Airlines

    09:40

    FRA

    2.9h

    11:35

    OPO

    SMTWTFS

  24. UA6606

    United Airlines

    15:50

    STL

    1.9h

    18:45

    YYZ

    SMTWTFS
    Search

  25. UA8550

    United Airlines

    19:45

    YYZ

    8.1h

    09:50

    MUC

    SMTWTFS

  26. LH1782

    Lufthansa

    08:25

    MUC

    3.0h

    10:25

    OPO

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from St. Louis to Francisco Sa Carneiro International Airport

Cheapest direct flight price

CAD 566

Off-season travel month

September

Peak season for travel

December

FAQs for St. Louis to Francisco Sa Carneiro International Airport Flights

  • When are flight tickets from St. Louis (STL) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from St. Louis 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 are flights from St. Louis (STL) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around CAD 1,540.

  • 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, by taxi about 20 minutes.

  • How many airports in Porto (OPO)?

    There are 1 airport(s) in Porto (OPO): Francisco Sa Carneiro International Airport.

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