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Flights from Dubuque to Duluth

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

      • DBQ 07:15
        14h 44m
        1 stop
        DLH 21:59
        Dubuque - Duluth | Fri, Jan 9 | Denver Air Connection
        DLH 15:05
        26h 50m
        1 stop
        DBQ 17:55
        Duluth - Dubuque | Sun, Jan 11 | United Airlines
        SGD 772 SGD 1,393
        45% OFF
        45% OFF
        SGD 1,393 SGD 772
      • DBQ 07:15
        15h 40m
        1 stop
        DLH 22:55
        Dubuque - Duluth | Mon, Dec 22 | Denver Air Connection
        DLH 07:50
        9h 5m
        1 stop
        DBQ 16:55
        Duluth - Dubuque | Fri, Dec 26 | United Airlines
        SGD 1,254 SGD 1,393
        10% OFF
        10% OFF
        SGD 1,393 SGD 1,254
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        DLH 15:00
        6h
        Nonstop
        DBQ 16:00
        Duluth - Dubuque | Mon, Dec 15 | Normal Airline
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      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
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      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search
      • DBQ 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Dubuque - Duluth | Sat, Dec 13 | Normal Airline
        Search
        Search

Displayed flight fares from Dubuque to Duluth are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Dubuque to Duluth

The distance between Dubuque and Duluth is approximately 507.49 km. Based on Trip.com's data travel demand peaks in December. The off-season for travel is December.

Cheapest return ticket priceSGD 772
Off-season for travelDecember
Peak season for travelDecember
Flight distance507.49 km

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

The cheapest time for Dubuque to Duluth flights: Jan 4 to Jan 11 — one way flight prices from SGD 771.

Cheapest flights
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Dubuque to Duluth, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • When is the best time to book flights from Dubuque to Duluth?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dubuque to Duluth is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Dubuque to Duluth, you can use various tools on Trip.com:
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Duluth travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Dubuque to Duluth is December, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Dubuque to Duluth on December 22, 2025 with Denver Air Connection, with prices starting at SGD 1,253.
  • The time difference between Duluth and Dubuque is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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