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Flights from London to Dubuque

Find flight deals from London to Dubuque for the next 3 months. Book one way flights from TRY 129,258 or round trip flights from TRY 400,664.

      • LHR 12:35 PM
        11h 20m
        1 stop
        DBQ 5:55 PM
        London - Dubuque | Sun, Dec 28 | American Airlines
        DBQ 7:15 AM
        16h 40m
        1 stop
        LHR 5:55 AM
        Dubuque - London | Sun, Jan 4 | Denver Air Connection
        TRY 400,664 TRY 615,693
        35% OFF
        35% OFF
        TRY 615,693 TRY 400,664
      • LHR 12:35 PM
        11h 20m
        1 stop
        DBQ 5:55 PM
        London - Dubuque | Thu, Dec 11 | American Airlines
        DBQ 7:15 AM
        16h 40m
        1 stop
        LHR 5:55 AM
        Dubuque - London | Mon, Dec 15 | Denver Air Connection
        TRY 419,632 TRY 615,693
        32% OFF
        32% OFF
        TRY 615,693 TRY 419,632
      • LHR 10:25 AM
        13h 30m
        1 stop
        DBQ 5:55 PM
        London - Dubuque | Thu, Dec 11 | United Airlines
        DBQ 7:15 AM
        16h 40m
        1 stop
        LHR 5:55 AM
        Dubuque - London | Mon, Dec 15 | Denver Air Connection
        TRY 547,967 TRY 615,693
        11% OFF
        11% OFF
        TRY 615,693 TRY 547,967
      • LON 1:00 PM
        17h 25m
        1 stop
        DBQ Invalid Date
        London - Dubuque | Fri, Dec 12 | Normal Airline
        DBQ 3:00 PM
        6h
        Nonstop
        LON 4:00 PM
        Dubuque - London | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flying from London to Dubuque

The distance between London and Dubuque is approximately 6,500.79 km. Based on Trip.com's data travel demand peaks in December. The off-season for travel is August.

Cheapest one-way flight priceTRY 129,258
Cheapest round-trip ticket priceTRY 400,664
Off-season for travelAugust
Peak season for travelDecember
Flight distance6,500.79 km

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

The cheapest time for London to Dubuque flights: Jan 4 to Jan 11 — one way flight prices from TRY 129,258.

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 London to Dubuque, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from London to Dubuque (LON-DBQ)?

    Based on Trip.com data, American Airlines offers one-way fares as low as TRY 129,258 on Cheapest nonstop routes (e.g. LHR to DBQ on Sun, Jan 11), while American Airlines offers Cheapest nonstop round-trips from TRY 400,664 departing on Sun, Dec 28 and returning on Sun, Jan 4.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London 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 London 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 Sun, Jan 11, with one-way flights priced at just TRY 129,258.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · 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 December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Dubuque is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from London to Dubuque on December 28, 2025 with American Airlines, with prices starting at TRY 400,663.
  • The time difference between Dubuque and London is 6h.
  • 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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