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Flights from Duluth to Porto
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Flights from Duluth to Porto Starting at NZD 1,118

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

  • One way
  • Round-trip
      • DLH14:34
        26h 46m
        2 stops
        OPO22:20
        Fri, Mar 14|Duluth - Porto|Delta Air Lines
        NZD 1,118NZD 1,830
        39% OFF
        39% OFF
        NZD 1,830NZD 1,118

        Choose Delta Air Lines flights from Duluth to Porto. The one-way connecting flight with Delta Air Lines departs from Duluth International Airport on Fri, Mar 14, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from NZD 1,118 including taxes and charges.

      • DLH15:08
        26h 17m
        2 stops
        OPO22:25
        Fri, Mar 14|Duluth - Porto|United Airlines
        NZD 1,329NZD 1,830
        27% OFF
        27% OFF
        NZD 1,830NZD 1,329

        Choose United Airlines flights from Duluth to Porto. The one-way connecting flight with United Airlines departs from Duluth International Airport on Fri, Mar 14, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from NZD 1,329 including taxes and charges.

      • DLH14:34
        14h 56m
        2 stops
        OPO10:30
        Fri, Mar 14|Duluth - Porto|Virgin Atlantic
        NZD 1,610NZD 1,830
        12% OFF
        12% OFF
        NZD 1,830NZD 1,610

        Choose Virgin Atlantic flights from Duluth to Porto. The one-way connecting flight with Virgin Atlantic departs from Duluth International Airport on Fri, Mar 14, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from NZD 1,610 including taxes and charges.

      • DLH01:00 pm
        3h 5m
        Nonstop
        OPO02:00 pm
        Sun, Feb 23|Duluth - 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.

Duluth to Porto flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA4670

    United Airlines

    08:00

    DLH

    1.8h

    09:49

    ORD

    SMTWTFS
    Search

  2. UA907

    United Airlines

    18:15

    ORD

    8.7h

    09:55

    FRA

    SMTWTFS

  3. UA8972

    United Airlines

    13:55

    FRA

    2.8h

    15:45

    OPO

    SMT--FS

  4. UA4670

    United Airlines

    08:00

    DLH

    1.8h

    09:49

    ORD

    SMTWTFS
    Search

  5. UA953

    United Airlines

    17:50

    ORD

    8.8h

    09:40

    MUC

    -MTWTFS

  6. LH1782

    Lufthansa

    10:50

    MUC

    3.0h

    12:50

    OPO

    SMTWTFS

  7. UA4670

    United Airlines

    08:00

    DLH

    1.8h

    09:49

    ORD

    SMTWTFS
    Search

  8. UA003

    United Airlines

    15:45

    ORD

    9.0h

    07:45

    ZRH

    ---WTF-

  9. LX2066

    Swiss Airlines

    09:45

    ZRH

    2.7h

    11:25

    OPO

    SMTWTFS

  10. UA5754

    United Airlines

    11:20

    DLH

    1.8h

    13:09

    ORD

    SMTWT--
    Search

  11. UA944

    United Airlines

    14:55

    ORD

    8.6h

    06:30

    FRA

    S--WTFS

  12. UA8972

    United Airlines

    13:55

    FRA

    2.8h

    15:45

    OPO

    SMT--FS

  13. UA5754

    United Airlines

    11:20

    DLH

    1.8h

    13:09

    ORD

    SMTWT--
    Search

  14. UA944

    United Airlines

    14:55

    ORD

    8.6h

    06:30

    FRA

    S--WTFS

  15. UA8872

    United Airlines

    09:30

    FRA

    2.8h

    11:20

    OPO

    SMTWTF-

  16. VS3329

    Virgin Atlantic

    12:00

    DLH

    1.2h

    13:11

    MSP

    SMTWT-S
    Search

  17. VS3934

    Virgin Atlantic

    15:50

    MSP

    8.1h

    06:55

    AMS

    SMTWTFS

  18. KL1571

    KLM

    08:55

    AMS

    2.8h

    10:40

    OPO

    SMTWTFS

  19. VS3329

    Virgin Atlantic

    12:00

    DLH

    1.2h

    13:11

    MSP

    SMTWT-S
    Search

  20. VS3973

    Virgin Atlantic

    16:35

    MSP

    8.3h

    07:55

    CDG

    -MTWTF-

  21. AF1528

    Air France

    14:10

    CDG

    2.3h

    15:30

    OPO

    SMTWTFS

  22. UA4685

    United Airlines

    15:00

    DLH

    1.8h

    16:49

    ORD

    SMTWTFS
    Search

  23. UA907

    United Airlines

    18:15

    ORD

    8.7h

    09:55

    FRA

    SMTWTFS

  24. LH1180

    Lufthansa

    20:30

    FRA

    2.9h

    22:25

    OPO

    SMTWTF-

  25. UA4685

    United Airlines

    15:00

    DLH

    1.8h

    16:49

    ORD

    SMTWTFS
    Search

  26. UA907

    United Airlines

    18:15

    ORD

    8.7h

    09:55

    FRA

    SMTWTFS

  27. UA8972

    United Airlines

    13:55

    FRA

    2.8h

    15:45

    OPO

    SMT--FS

  28. VS3331

    Virgin Atlantic

    16:25

    DLH

    1.1h

    17:29

    MSP

    SMTWTFS
    Search

  29. VS3934

    Virgin Atlantic

    15:50

    MSP

    8.1h

    06:55

    AMS

    SMTWTFS

  30. KL1571

    KLM

    08:55

    AMS

    2.8h

    10:40

    OPO

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Duluth 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.

FAQ

  • When are flight tickets from Duluth (DLH) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from Duluth 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 Duluth (DLH) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around NZD 1,435.

  • 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 Duluth 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 Duluth 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 Information from Duluth to Porto

Off-season for travelJanuary
Peak season for travelMarch
Flight distance6,381.41 km
Popular airlineUnited Airlines

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