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Flights from Detroit to Dubuque

Find the cheapest flight options from Detroit to Dubuque over the next three months. Book one-way tickets from DKK 1,131 and round-trip tickets from DKK 3,142.

      • DTW 12:25
        6h 30m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Jan 9 | Delta Air Lines
        DBQ 07:15
        25h 7m
        1 stop
        DTW 09:22
        Dubuque - Detroit | Mon, Jan 12 | Denver Air Connection
        DKK 3,142 DKK 5,383
        42% OFF
        42% OFF
        DKK 5,383 DKK 3,142
      • DTW 11:05
        7h 50m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Jan 9 | United Airlines
        DBQ 07:15
        12h 11m
        1 stop
        DTW 20:26
        Dubuque - Detroit | Mon, Jan 12 | Denver Air Connection
        DKK 3,304 DKK 5,383
        39% OFF
        39% OFF
        DKK 5,383 DKK 3,304
      • DTW 13:48
        5h 7m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Sat, Dec 13 | Delta Air Lines
        DBQ 07:15
        12h 40m
        1 stop
        DTW 20:55
        Dubuque - Detroit | Wed, Dec 17 | Denver Air Connection
        DKK 4,084 DKK 5,383
        24% OFF
        24% OFF
        DKK 5,383 DKK 4,084
      • DTW 07:15
        11h 40m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Dec 19 | United Airlines
        DBQ 07:15
        15h 23m
        1 stop
        DTW 23:38
        Dubuque - Detroit | Tue, Dec 23 | Denver Air Connection
        DKK 4,673
        13% OFF
        DKK 5,383 DKK 4,673
      • DTW 20:00
        22h 55m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Dec 19 | Delta Air Lines
        DBQ 07:15
        12h 13m
        1 stop
        DTW 20:28
        Dubuque - Detroit | Tue, Dec 23 | Denver Air Connection
        DKK 4,845
        10% OFF
        DKK 5,383 DKK 4,845
      • DTT 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        Detroit - Dubuque | Sat, Dec 13 | Normal Airline
        DBQ 15:00
        6h
        Direct
        DTT 16:00
        Dubuque - Detroit | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • DTW 17:55
        25h
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Mon, Dec 15 | Delta Air Lines
        DKK 1,131 DKK 1,969
        43% OFF
        43% OFF
        DKK 1,969 DKK 1,131
      • DTW 09:12
        9h 43m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Tue, Dec 23 | United Airlines
        DKK 1,253 DKK 1,969
        36% OFF
        36% OFF
        DKK 1,969 DKK 1,253
      • DTW 08:25
        10h 30m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Tue, Dec 23 | Delta Air Lines
        DKK 1,261 DKK 1,969
        36% OFF
        36% OFF
        DKK 1,969 DKK 1,261
      • DTW 20:05
        22h 50m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Mon, Dec 22 | Delta Air Lines
        DKK 1,286
        35% OFF
        DKK 1,969 DKK 1,286
      • DTW 05:49
        13h 6m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Mon, Dec 22 | United Airlines
        DKK 1,288
        35% OFF
        DKK 1,969 DKK 1,288
      • DTW 11:05
        7h 50m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Mon, Dec 15 | United Airlines
        DKK 1,324
        33% OFF
        DKK 1,969 DKK 1,324
      • DTW 12:49
        6h 6m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Wed, Jan 21 | Delta Air Lines
        DKK 1,458
        26% OFF
        DKK 1,969 DKK 1,458
      • DTW 09:00
        9h 55m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Wed, Jan 21 | United Airlines
        DKK 1,480
        25% OFF
        DKK 1,969 DKK 1,480
      • DTW 12:40
        6h 15m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Jan 9 | Delta Air Lines
        DKK 1,772
        10% OFF
        DKK 1,969 DKK 1,772
      • DTW 12:49
        6h 6m
        1 stop
        DBQ 17:55
        Detroit - Dubuque | Fri, Feb 6 | Delta Air Lines
        DKK 1,772
        10% OFF
        DKK 1,969 DKK 1,772
      • DTT 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        Detroit - Dubuque | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Detroit to Dubuque

The distance between Detroit and Dubuque is 629.09 km. Based on Trip.com's data, travel demand peaks in September. The off-season for travel is December.

Cheapest one-way flight priceDKK 1,131
Cheapest round-trip ticket priceDKK 3,142
Off-season for travelDecember
Peak season for travelSeptember
Flight distance629.09 km

Find the best time to fly from Detroit to Dubuque

The cheapest time for Detroit to Dubuque flights: Dec 14 to Dec 21 — one way flight prices from DKK 1,130.

Cheapest flights
From price
Search
  • 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 Detroit to Dubuque, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Detroit to Dubuque (DTT-DBQ)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as DKK 1,131 on Cheapest nonstop routes (e.g. DTW to DBQ on Mon, Dec 15), while Delta Air Lines offers Cheapest nonstop round-trips from DKK 3,142 departing on Fri, Jan 9 and returning on Mon, Jan 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Detroit to Dubuque 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 Detroit to Dubuque, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Dec 15, with one-way flights priced at just DKK 1,131.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · 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 Dubuque travel is around September.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Detroit to Dubuque is December, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Detroit to Dubuque on December 13, 2025 with Delta Air Lines, with prices starting at DKK 4,083.
  • The time difference between Dubuque and Detroit is 1h.
  • 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.