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Flights from Portland to Denver

Find the cheapest flights from Portland to Denver within the next three months. Book one-way flights from £103 or return tickets from £148.

      • PWM 15:58
        7h 13m
        1 stop
        DEN 21:11
        Portland - Denver | Sat, Jan 24 | American Airlines
        DEN 06:00
        7h 31m
        1 stop
        PWM 15:31
        Denver - Portland | Sat, Jan 31 | American Airlines
        £148 £369
        60% OFF
        60% OFF
        £369 £148
      • PWM 12:45
        8h 47m
        1 stop
        DEN 19:32
        Portland - Denver | Sat, Jan 17 | American Airlines
        DEN 06:00
        7h 31m
        1 stop
        PWM 15:31
        Denver - Portland | Sat, Jan 24 | American Airlines
        £190 £369
        49% OFF
        49% OFF
        £369 £190
      • PWM 12:40
        10h 31m
        1 stop
        DEN 21:11
        Portland - Denver | Tue, Feb 3 | American Airlines
        DEN 06:00
        7h 31m
        1 stop
        PWM 15:31
        Denver - Portland | Mon, Feb 9 | American Airlines
        £205 £369
        44% OFF
        44% OFF
        £369 £205
      • PWM 15:58
        8h 26m
        1 stop
        DEN 22:24
        Portland - Denver | Wed, Jan 21 | American Airlines
        DEN 06:00
        7h 31m
        1 stop
        PWM 15:31
        Denver - Portland | Mon, Jan 26 | American Airlines
        £206
        44% OFF
        £369 £206
      • PWM 05:30
        8h 34m
        1 stop
        DEN 12:04
        Portland - Denver | Wed, Jan 7 | Delta Air Lines
        DEN 12:20
        9h 29m
        1 stop
        PWM 23:49
        Denver - Portland | Sat, Jan 10 | Delta Air Lines
        £209
        43% OFF
        £369 £209
      • PWM 05:30
        10h 7m
        1 stop
        DEN 13:37
        Portland - Denver | Fri, Feb 6 | Delta Air Lines
        DEN 06:40
        15h 40m
        1 stop
        PWM 00:20
        Denver - Portland | Mon, Feb 9 | Delta Air Lines
        £243
        34% OFF
        £369 £243
      • PWM 12:10
        7h 18m
        1 stop
        DEN 17:28
        Portland - Denver | Tue, Feb 3 | Delta Air Lines
        DEN 06:40
        15h 40m
        1 stop
        PWM 00:20
        Denver - Portland | Mon, Feb 9 | Delta Air Lines
        £253
        32% OFF
        £369 £253
      • PWM 05:30
        10h 7m
        1 stop
        DEN 13:37
        Portland - Denver | Thu, Jan 29 | Delta Air Lines
        DEN 13:16
        7h 13m
        1 stop
        PWM 22:29
        Denver - Portland | Mon, Feb 2 | Delta Air Lines
        £256
        31% OFF
        £369 £256
      • PWM 14:35
        10h 11m
        1 stop
        DEN 22:46
        Portland - Denver | Wed, Jan 21 | Delta Air Lines
        DEN 06:40
        15h 40m
        1 stop
        PWM 00:20
        Denver - Portland | Sun, Jan 25 | Delta Air Lines
        £258
        30% OFF
        £369 £258
      • PWM 09:40
        7h 6m
        1 stop
        DEN 14:46
        Portland - Denver | Sat, Jan 17 | United Airlines
        DEN 09:50
        7h 4m
        1 stop
        PWM 18:54
        Denver - Portland | Sat, Jan 24 | United Airlines
        £258
        30% OFF
        £369 £258
      • PWM 13:00
        17h 25m
        1 stop
        DEN Invalid Date
        Portland - Denver | Thu, Dec 11 | Normal Airline
        DEN 15:00
        6h
        Direct
        PWM 16:00
        Denver - Portland | Sat, Dec 13 | Normal Airline
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Displayed flight fares from Portland to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Portland to Denver

The distance between Portland and Denver is approximately 2,860.04km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price£103
Cheapest return ticket price£148
Off-season travel monthSeptember
Peak season for travelJuly
Flight distance2,860.04km

Find the best time to fly from Portland to Denver

The cheapest time for Portland to Denver flights: Dec 7 to Dec 14 — one way flight prices from £103.

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 Portland to Denver, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Portland (PWM) to Denver (DEN)?

    Based on Trip.com data, American Airlines offers one-way fares as low as £103 on Cheapest nonstop routes (e.g. PWM to DEN on Wed, Jan 28), while American Airlines offers Cheapest nonstop round-trips from £148 departing on Sat, Jan 24 and returning on Sat, Jan 31.
  • 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 Denver 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 Denver, 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 Wed, Jan 28, with one-way flights priced at just £103.
    · 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 Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Denver 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 Denver on December 12, 2025 with Delta Air Lines, with prices starting at £290.
  • The time difference between Denver and Portland is 2h.
  • 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.

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