Cheapest airlines flights from Portland to Lima

For flights from Portland to Lima, you’ll usually use nearby airports in Portland and Detroit. Compare airlines and fares below.

No flight routes found for your trip from Portland to Lima. Instead, check out the flight deals below for nearby routes: Portland to Detroit.

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

Portland to Lima Flight Details

Check flight details (distance, duration, best time to book) for routes from Portland to Detroit to plan your trip from Portland to Lima.

Cheapest one-way flight price£127
Cheapest return ticket price£246
Cheapest monthOctober
Peak season for travelDecember
Flight distance1,045.46 km
Average flight time2 hours 18 minutes
Popular airlineUnited Airlines

When is the cheapest time to book flights from Portland to Lima?

View price trends for Portland to Detroit to find the cheapest time for your trip from Portland to Lima.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

Frequently asked questions for flights from Portland to Lima when there's no local airport. All departures and arrivals are via Portland to Detroit.

  • What are the cheapest flights from Portland to Detroit (PWM-DTT)?

    Based on Trip.com data, United Airlines offers one-way fares as low as £127 on Cheapest nonstop routes (e.g. PWM to DTW on Thu, Jan 1), while Delta Air Lines offers Cheapest nonstop round-trips from £246 departing on Sat, Dec 13 and returning on Mon, Dec 15.
  • It takes about 2 hours 18 minutes to fly from Portland to Detroit.
  • 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 Detroit 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 Detroit, 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 Thu, Jan 1, with one-way flights priced at just £127.
    · 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 Detroit travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Detroit is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Portland to Detroit on December 13, 2025 with Delta Air Lines, with prices starting at £245.
  • The time difference between Detroit and Portland 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.