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Cheap flights from Denver to Portland from C$ 99

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PDX
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Denver to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 September 2025.

Round-trip from

C$ 183

One-way from

C$ 99

Popular in

March

Cheapest in

January

Average price

C$ 285
United Airlines
  • United Airlines
  • 16/10-18/10
  • Nonstop
  • 5h 13m total
  • Denver to Portland
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United Airlines
  • United Airlines
  • 19/11
  • 1 total stop
  • 5h 53m total
  • Denver to Portland
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Highest demand for flights based on searches. 9% potential increase in price (C$ 41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Denver to Portland

Cheapest flights from Denver to Portland
Explore the most affordable flight options available from Denver to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 4/128:15 a.m.DEN - PDX
Nonstop2h 55mSouthwest
Sat 6/125:15 a.m.PDX - DEN
Nonstop2h 25mSouthwest
Deal found 16/9C$ 183
Thu 30/106:00 a.m.DEN - PDX
1 stop5h 53mUnited Airlines
Sun 2/117:10 p.m.PDX - DEN
Nonstop2h 33mUnited Airlines
Deal found 16/9C$ 191
Thu 4/128:15 a.m.DEN - PDX
Nonstop2h 55mSouthwest
Sun 7/126:00 a.m.PDX - DEN
1 stop4h 45mSouthwest
Deal found 16/9C$ 197
Sat 18/106:05 a.m.DEN - PDX
1 stop7h 25mSouthwest
Tue 21/105:10 a.m.PDX - DEN
1 stop5h 00mSouthwest
Deal found 17/9C$ 209
Tue 21/107:41 p.m.DEN - PDX
1 stop5h 16mDelta
Tue 28/105:25 p.m.PDX - DEN
1 stop4h 49mDelta
Deal found 16/9C$ 210
Wed 8/107:25 p.m.DEN - PDX
Nonstop2h 41mUnited Airlines
Sun 12/105:00 a.m.PDX - DEN
Nonstop2h 34mUnited Airlines
Deal found 16/9C$ 213
Wed 29/1011:31 a.m.DEN - PDX
Nonstop2h 53mAlaska Airlines
Sat 1/117:00 a.m.PDX - DEN
Nonstop2h 35mAlaska Airlines
Deal found 16/9C$ 216
Thu 9/109:04 p.m.DEN - PDX
Nonstop2h 42mUnited Airlines
Mon 13/105:00 a.m.PDX - DEN
Nonstop2h 34mUnited Airlines
Deal found 16/9C$ 219
Tue 7/101:30 p.m.DEN - PDX
1 stop6h 03mUnited Airlines
Thu 9/105:00 a.m.PDX - DEN
Nonstop2h 34mUnited Airlines
Deal found 16/9C$ 227
Tue 21/107:02 p.m.DEN - PDX
Nonstop2h 48mAlaska Airlines
Wed 29/107:00 a.m.PDX - DEN
Nonstop2h 35mAlaska Airlines
Deal found 16/9C$ 230

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Denver to Portland that are best for you.

Fly from

Denver

Fly to

Portland

Route

Depart

Return

Price

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 31/10

11:31 a.m.-1:24 p.m.

Nonstop2h 53m

Portland

Mon 3/11

7:00 a.m.-10:35 a.m.

Nonstop2h 35m

C$ 183

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 7/11

6:46 p.m.-8:40 p.m.

Nonstop2h 54m

Portland

Tue 11/11

7:00 a.m.-10:35 a.m.

Nonstop2h 35m

C$ 183

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 18/10

6:05 a.m.-12:30 p.m.

1 stop7h 25m

Portland

Tue 21/10

5:10 a.m.-11:10 a.m.

1 stop5h 00m

C$ 209

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Thu 4/12

7:45 p.m.-12:16 a.m.

1 stop5h 31m

Portland

Sat 6/12

5:20 a.m.-11:11 a.m.

1 stop4h 51m

C$ 210

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 8/10

7:25 p.m.-9:06 p.m.

Nonstop2h 41m

Portland

Sun 12/10

5:00 a.m.-8:34 a.m.

Nonstop2h 34m

C$ 213

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 6/12

11:41 a.m.-1:41 p.m.

Nonstop3h 00m

Portland

Mon 8/12

7:10 a.m.-10:45 a.m.

Nonstop2h 35m

C$ 243

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 18/10

12:23 p.m.-7:19 p.m.

1 stop7h 56m

Portland

Tue 21/10

3:19 p.m.-11:14 p.m.

1 stop6h 55m

C$ 243

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Tue 23/12

11:31 a.m.-1:33 p.m.

Nonstop3h 02m

Portland

Thu 1/1

7:00 a.m.-10:35 a.m.

Nonstop2h 35m

C$ 271

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 6/12

1:00 p.m.-7:50 p.m.

1 stop7h 50m

Portland

Mon 8/12

7:15 a.m.-6:00 p.m.

2 stops9h 45m

C$ 292

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 12/12

7:45 p.m.-12:15 a.m.

1 stop5h 30m

Portland

Sun 14/12

2:23 p.m.-11:21 p.m.

1 stop7h 58m

C$ 299

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 23 results
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Best time to book a flight from Denver to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Portland

How far ahead should I book a flight from Denver to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Portland. Price data was last updated on 12 September 2025.

The price you pay for your flight from Denver to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Portland?

Currently, August is the cheapest month in which you can book a flight from Denver to Portland (average of C$ 259). Flying from Denver to Portland in December is currently the most expensive (average of C$ 401). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to PDX?

Find hourly flight availability from Denver to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

When flying from Denver to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Denver to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Portland?

    Airlines like Southwest, Delta, and United Airlines fly from Denver to Portland in about 2h 40m. The time it takes to get you to your destination can typically vary by up to 2h 51m. Denver and Portland are separated by a distance of 1592 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to Portland one-way?

    One-way options have recently been found by users for as low as C$ 106 on Delta. Other airlines that offer cheap prices include Southwest from C$ 109 and Alaska Airlines from C$ 109 one-way.

  • What are the most reliable airlines from Denver to Portland?

    No one likes to see their flight delayed. When booking a flight from Denver to Portland consider choosing Condor (96%), United Airlines (83%) or Frontier (74%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Denver to Portland that include hotel bookings?

    Yes. In addition to deals on Denver to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Portland.

  • Can I find deals for business class flights from Denver to Portland?

    Yes. Cheapflights offers flight deals from Denver to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Portland?

    Currently, August is the cheapest month in which you can book a flight from Denver to Portland (average of C$ 259). Flying from Denver to Portland in December is currently the most expensive (average of C$ 401). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Tillamook
Cannon Beach
Lincoln City

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Yes! Cheapflights helps users easily find flights from Denver to Portland with no change fees.

Can Cheapflights notify me if prices for flights from Denver to Portland become cheaper?

Yes, Cheapflights offers price alerts on Denver to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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