Flights from Denver, CO to Portland, OR

Promo Code

Best Deals on Flights From Denver, CO (DEN) to Portland, OR (PDX)

Try alternate month or interact with individual days below in order to find offers.
Aug 2026
No results for this month.
Sep 2026
from$123*
Last seen: 2 hours ago
One-way/Economy
Oct 2026
from$103*
Last seen: 1 hour ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $123
cmp-daily-histogram-bars-legend-max-price-aria-label $208
Displaying fares for August-2026
  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    AUG

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • DEN–PDX, Sep 2, 2026: from $159
    02

    Wed

  • DEN–PDX, Sep 3, 2026: from $159
    03

    Thu

  • DEN–PDX, Sep 4, 2026: from $159
    04

    Fri

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • DEN–PDX, Sep 6, 2026: from $149
    06

    Sun

  • DEN–PDX, Sep 7, 2026: from $179
    07

    Mon

  • DEN–PDX, Sep 8, 2026: from $208
    08

    Tue

  • DEN–PDX, Sep 9, 2026: from $149
    09

    Wed

  • DEN–PDX, Sep 10, 2026: from $149
    10

    Thu

  • DEN–PDX, Sep 11, 2026: from $149
    11

    Fri

  • DEN–PDX, Sep 12, 2026: from $149
    12

    Sat

  • DEN–PDX, Sep 13, 2026: from $129
    13

    Sun

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • DEN–PDX, Sep 16, 2026: from $129
    16

    Wed

  • DEN–PDX, Sep 17, 2026: from $129
    17

    Thu

  • DEN–PDX, Sep 18, 2026: from $129
    18

    Fri

  • DEN–PDX, Sep 19, 2026: from $129
    19

    Sat

  • DEN–PDX, Sep 20, 2026: from $123
    20

    Sun

  • DEN–PDX, Sep 21, 2026: from $123
    21

    Mon

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • DEN–PDX, Sep 23, 2026: from $128
    23

    Wed

  • DEN–PDX, Sep 24, 2026: from $123
    24

    Thu

  • DEN–PDX, Sep 25, 2026: from $123
    25

    Fri

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • DEN–PDX, Sep 27, 2026: from $123
    27

    Sun

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • DEN–PDX: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

    • Range$123-$208

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Denver, CO to Portland, OR on Frontier

    $
    Flights Deals from Denver, CO to Portland, OR on Frontier
    From
    To
    Denver, CO (DEN)Portland, OR (PDX)One-way
    /
    Discount Den Basic Fare    		Departing Dec 31, 2026

    From

    $185

    Last seen: 2 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Denver, CO Portland, OR

    More Popular Flights From Denver, CO and To Portland, OR

    Barclays Badge

    Earn 60,000 Miles after qualifying activity. Terms apply.