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Flights from Key West to Duluth

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

      • EYW 4:10 PM
        7h 45m
        1 stop
        DLH 10:55 PM
        Key West - Duluth | Sun, Dec 21 | United Airlines
        DLH 7:50 AM
        6h 22m
        1 stop
        EYW 3:12 PM
        Duluth - Key West | Thu, Dec 25 | United Airlines
        TRY 40,785 TRY 45,826
        11% OFF
        11% OFF
        TRY 45,826 TRY 40,785
      • EYW 1:00 PM
        17h 25m
        1 stop
        DLH Invalid Date
        Key West - Duluth | Fri, Dec 12 | Normal Airline
        DLH 3:00 PM
        6h
        Nonstop
        EYW 4:00 PM
        Duluth - Key West | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight Info | Key West to Duluth

The distance between Key West and Duluth is approximately 2,646.01 km. Based on Trip.com's data travel demand peaks in March. The off-season for travel is March.

Cheapest round-trip ticket priceTRY 40,785
Off-season for travelMarch
Peak season for travelMarch
Flight distance2,646.01 km

When is the cheapest time to fly from Key West to Duluth?

The cheapest time for Key West to Duluth flights: Dec 14 to Dec 21 — one way flight prices from TRY 40,784.

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  • 714
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  • 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 Key West to Duluth, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • When is the best time to book flights from Key West 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 Key West 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 Key West 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 March.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Key West to Duluth is March, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Key West to Duluth on December 21, 2025 with United Airlines, with prices starting at TRY 40,784.
  • The time difference between Duluth and Key West 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.

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