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Flights from Portland to Duluth

Find the cheapest flight options from Portland to Duluth over the next three months. Book one-way tickets from MXN$5,478 and round-trip tickets from MXN$16,468.

      • PWM 16:10
        7h 45m
        1 stop
        DLH 22:55
        Portland - Duluth | Sun, Dec 21 | United Airlines
        DLH 15:03
        5h 26m
        1 stop
        PWM 21:29
        Duluth - Portland | Thu, Dec 25 | United Airlines
        MXN$16,468 MXN$29,790
        45% OFF
        45% OFF
        MXN$29,790 MXN$16,468
      • PWM 16:10
        7h 45m
        1 stop
        DLH 22:55
        Portland - Duluth | Mon, Dec 22 | United Airlines
        DLH 15:03
        5h 26m
        1 stop
        PWM 21:29
        Duluth - Portland | Sat, Dec 27 | United Airlines
        MXN$26,811 MXN$29,790
        10% OFF
        10% OFF
        MXN$29,790 MXN$26,811
      • PWM 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Portland - Duluth | Sat, Dec 13 | Normal Airline
        DLH 15:00
        6h
        Direct
        PWM 16:00
        Duluth - Portland | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • PWM 16:10
        6h 49m
        1 stop
        DLH 21:59
        Portland - Duluth | Tue, Jan 20 | United Airlines
        MXN$5,478 MXN$6,101
        10% OFF
        10% OFF
        MXN$6,101 MXN$5,478
      • PWM 16:10
        6h 49m
        1 stop
        DLH 21:59
        Portland - Duluth | Tue, Jan 27 | United Airlines
        MXN$5,491 MXN$6,101
        10% OFF
        10% OFF
        MXN$6,101 MXN$5,491
      • PWM 13:00
        17h 25m
        1 stop
        DLH Invalid Date
        Portland - Duluth | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Portland to Duluth

The distance between Portland and Duluth is 1,743.77km. Based on Trip.com's data, travel demand peaks in November. The off-season for travel is September.

Cheapest one-way flight priceMXN$5,478
Cheapest return ticket priceMXN$16,468
Off-season travel monthSeptember
Peak season for travelNovember
Flight distance1,743.77km

Find the best time to fly from Portland to Duluth

The cheapest time for Portland to Duluth flights: Jan 25 to Feb 1 — one way flight prices from MXN$5,334.

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 Portland to Duluth, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Portland (PWM) to Duluth (DLH)?

    Based on Trip.com data, United Airlines offers one-way fares as low as MXN$5,478 on Cheapest nonstop routes (e.g. PWM to DLH on Tue, Jan 20), while United Airlines offers Cheapest nonstop round-trips from MXN$16,468 departing on Sun, Dec 21 and returning on Thu, Dec 25.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland 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 Portland to Duluth, 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 Tue, Jan 20, with one-way flights priced at just MXN$5,478.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United 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 Duluth travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Duluth is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Portland to Duluth on December 21, 2025 with United Airlines, with prices starting at MXN$16,467.
  • The time difference between Duluth and Portland is 1h.
  • Tickets can only be changed or cancelled 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.

More Flight Itineraries