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Cheap flight deals from Duluth to Porto Starting at AED 2,341

For as little as AED 2,341, you can take your next adventure to Porto without breaking the bank. Choose between one-way and return tickets from Duluth below.

  • One way
  • Round-trip
      • DLH14:34
        26h 46m
        2 stops
        OPO22:20
        Fri, Mar 14|Duluth - Porto|Delta Air Lines
        AED 2,341AED 4,064
        42% OFF
        42% OFF
        AED 4,064AED 2,341

        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 AED 2,341 including taxes and charges.

      • DLH15:08
        26h 17m
        2 stops
        OPO22:25
        Fri, Mar 14|Duluth - Porto|United Airlines
        AED 2,784AED 4,064
        32% OFF
        32% OFF
        AED 4,064AED 2,784

        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 AED 2,784 including taxes and charges.

      • DLH14:34
        14h 56m
        2 stops
        OPO10:30
        Fri, Mar 14|Duluth - Porto|Virgin Atlantic
        AED 3,373AED 4,064
        17% OFF
        17% OFF
        AED 4,064AED 3,373

        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 AED 3,373 including taxes and charges.

      • DLH01:00 pm
        3h 5m
        Nonstop
        OPO02:00 pm
        Thu, Feb 20|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-T-S

  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

    ---W---

  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-T-S

  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

    SMTW-F-

  16. VS3329

    Virgin Atlantic

    12:00

    DLH

    1.1h

    13:03

    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

    1.1h

    13:03

    MSP

    SMTWT-S
    Search

  20. VS3973

    Virgin Atlantic

    15:40

    MSP

    8.5h

    07:10

    CDG

    -MTWTF-

  21. AF1528

    Air France

    09:35

    CDG

    2.3h

    10:50

    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

    SMTW-F-

  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-T-S

  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

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

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 Porto from Duluth 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 Duluth (DLH) to Porto (OPO) the cheapest?

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

    According to Trip.com's data, the lowest price is around AED 3,007.

  • 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, by taxi about 20 minutes.

  • How many airports are there in Porto (OPO)?

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

How to find a cheap flight from Duluth to Porto

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 | Duluth to Porto

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

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