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Cheap flight deals from Porto to Great Falls Starting at AED 3,585

Discover our range of affordable one-way and round-trip flights from Porto to Great Falls and kick-start your next adventure today!

  • Round-trip
      • OPO06:00
        22h 19m
        2 stops
        GTF21:19
        Fri, Feb 21|Porto - Great Falls|Lufthansa
        GTF14:20
        41h 50m
        2 stops
        OPO15:10
        Fri, Feb 28|Great Falls - Porto|United Airlines
        AED 3,585AED 33,705
        89% OFF
        89% OFF
        AED 33,705AED 3,585

        Choose Lufthansa flights from Porto to Great Falls. The one-way connecting flight with Lufthansa departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 3,585 including taxes and charges.

      • OPO06:00
        22h 19m
        2 stops
        GTF21:19
        Fri, Feb 21|Porto - Great Falls|United Airlines
        GTF14:20
        41h 50m
        2 stops
        OPO15:10
        Fri, Feb 28|Great Falls - Porto|United Airlines
        AED 3,631AED 33,705
        89% OFF
        89% OFF
        AED 33,705AED 3,631

        Choose United Airlines flights from Porto to Great Falls. The one-way connecting flight with United Airlines departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 3,631 including taxes and charges.

      • OPO06:15
        21h 26m
        2 stops
        GTF20:41
        Fri, Feb 21|Porto - Great Falls|Delta Air Lines
        GTF05:59
        21h 51m
        2 stops
        OPO10:50
        Fri, Feb 28|Great Falls - Porto|Delta Air Lines
        AED 3,750AED 33,705
        89% OFF
        89% OFF
        AED 33,705AED 3,750

        Choose Delta Air Lines flights from Porto to Great Falls. The one-way connecting flight with Delta Air Lines departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 3,750 including taxes and charges.

      • OPO06:15
        21h 26m
        2 stops
        GTF20:41
        Fri, Feb 21|Porto - Great Falls|KLM
        GTF05:59
        21h 51m
        2 stops
        OPO10:50
        Fri, Feb 28|Great Falls - Porto|Delta Air Lines
        AED 3,843
        AED 3,843

        Choose KLM flights from Porto to Great Falls. The one-way connecting flight with KLM departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 3,843 including taxes and charges.

      • OPO11:45
        41h 55m
        2 stops
        GTF22:40
        Fri, Feb 21|Porto - Great Falls|Air France
        GTF05:59
        21h 51m
        2 stops
        OPO10:50
        Fri, Feb 28|Great Falls - Porto|Delta Air Lines
        AED 4,300
        AED 4,300

        Choose Air France flights from Porto to Great Falls. The one-way connecting flight with Air France departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 4,300 including taxes and charges.

      • OPO18:40
        25h 59m
        2 stops
        GTF13:39
        Fri, Feb 21|Porto - Great Falls|TAP Air Portugal
        GTF06:30
        22h 30m
        2 stops
        OPO12:00
        Fri, Feb 28|Great Falls - Porto|United Airlines
        AED 15,998
        AED 15,998

        Choose TAP Air Portugal flights from Porto to Great Falls. The one-way connecting flight with TAP Air Portugal departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 15,998 including taxes and charges.

      • OPO18:05
        34h 14m
        2 stops
        GTF21:19
        Fri, Feb 21|Porto - Great Falls|British Airways
        GTF06:30
        25h 45m
        2 stops
        OPO15:15
        Fri, Feb 28|Great Falls - Porto|United Airlines
        AED 25,616
        AED 25,616

        Choose British Airways flights from Porto to Great Falls. The one-way connecting flight with British Airways departs from Francisco Sa Carneiro International Airport on Fri, Feb 21-Fri, Feb 28, arriving at Great Falls International Airport. One-way Prices start from AED 25,616 including taxes and charges.

      • OPO01:00 pm
        3h 5m
        Nonstop
        GTF02:00 pm
        Wed, Feb 26|Porto - Great Falls|Lufthansa
        Find More Flights
        Find More Flights

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

Porto to Great Falls flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. KL1570

    KLM

    05:00

    OPO

    2.6h

    08:35

    AMS

    SMTWTFS
    Search

  2. DL163

    Delta Air Lines

    12:55

    AMS

    9.1h

    15:00

    MSP

    SMTWTFS

  3. DL3847

    Delta Air Lines

    18:30

    MSP

    2.6h

    20:04

    GTF

    SMTWTFS

  4. UA9004

    United Airlines

    06:00

    OPO

    2.7h

    09:40

    FRA

    -MTWTFS
    Search

  5. UA181

    United Airlines

    11:20

    FRA

    10.3h

    13:35

    DEN

    SMTWTFS

  6. UA5240

    United Airlines

    19:15

    DEN

    2.1h

    21:23

    GTF

    SMTWTFS

  7. LH1181

    Lufthansa

    06:00

    OPO

    2.8h

    09:50

    FRA

    SMTWTFS
    Search

  8. UA181

    United Airlines

    11:20

    FRA

    10.3h

    13:35

    DEN

    SMTWTFS

  9. UA5240

    United Airlines

    19:15

    DEN

    2.1h

    21:23

    GTF

    SMTWTFS

  10. DL9666

    Delta Air Lines

    06:35

    OPO

    2.5h

    10:05

    AMS

    SMTWTFS
    Search

  11. DL163

    Delta Air Lines

    12:55

    AMS

    9.1h

    15:00

    MSP

    SMTWTFS

  12. DL3847

    Delta Air Lines

    18:30

    MSP

    2.6h

    20:04

    GTF

    SMTWTFS

  13. AF1529

    Air France

    16:20

    OPO

    2.2h

    19:30

    CDG

    SMTWTFS
    Search

  14. AF3565

    Air France

    11:00

    CDG

    10.7h

    13:40

    SLC

    SMTW-FS

  15. AF2087

    Air France

    21:00

    SLC

    1.7h

    22:44

    GTF

    -----F-

  16. BA2667

    British Airways

    16:55

    OPO

    2.3h

    19:15

    LGW

    SMTWT-S
    Search

  17. BA219

    British Airways

    13:35

    LHR

    9.8h

    16:25

    DEN

    SMTWTFS

  18. UA5240

    United Airlines

    19:15

    DEN

    2.1h

    21:23

    GTF

    SMTWTFS

  19. TP211

    TAP Air Portugal

    18:40

    OPO

    8.3h

    22:00

    EWR

    -MTWTFS
    Search

  20. UA480

    United Airlines

    06:00

    EWR

    4.4h

    08:23

    DEN

    SMTWTFS

  21. UA5331

    United Airlines

    11:25

    DEN

    2.1h

    13:32

    GTF

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Porto to Great Falls?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Great Falls from Porto have changed and are set to move below.

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 Porto (OPO) to Great Falls (GTF) the cheapest?

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

  • How much do flights from Porto (OPO) to Great Falls (GTF) cost?

    According to Trip.com's data, the lowest price is around AED 4,270.

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

    • The distance from Great Falls International Airport to downtown is about 5 km, by taxi about 20 minutes.

  • How many airports are there in Great Falls (GTF)?

    There are 1 airport(s) near Great Falls (GTF): Great Falls International Airport.

How to find a cheap flight from Porto to Great Falls

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 Info | Porto to Great Falls

Off-season for travelDecember
Peak season for travelJanuary
Flight distance7,562.76 km
Popular airlineAir France

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