Your next trip, last seen at €103
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €103, departing 6 Jan 2027 (Last checked: 18 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 4Check live prices for this route
- Airlines seen
- Frontier Airlines, United Airlines, Southwest Airlines, Alaska Airlines
- Reported fastest flight
- 2h 40m
- Non-stop
- Yes
About this route
Explore the fares we observed from Denver to Portland. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,579 km
- Reported fastest flight
- 2h 40m
- Airlines seen
- Frontier Airlines, United Airlines, Southwest Airlines, Alaska Airlines
- Alternative airports
- APA
Route-level information; individual journeys vary.
Published schedules report non-stop service with Frontier Airlines, United Airlines, Southwest Airlines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Southwest Airlines | 4 / 4 | |
| United Airlines | 4 / 4 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.
- Portland International Airport (PDX) → Portland, city gazetteer reference point (45.5051, -122.6750): ≈ 11 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Denver to Portland: Frontier Airlines, from €103 (checked 18 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €103Jan 6, 2027 | 3 |
| Alaska Airlines | €150Jan 6, 2027 | 4 |
| Southwest Airlines | €150Jan 6, 2027 | 4 |
| United Airlines | €150Jan 6, 2027 | 4 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Denver to Portland?
The lowest fare we have observed is €103, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Denver to Portland?
In our observations January 2027 is the cheapest month so far, at €103.
Are there direct flights from Denver to Portland?
Yes. Published schedules report non-stop flights on this route with Frontier Airlines, United Airlines, Southwest Airlines.
Which airlines fly from Denver to Portland?
These are the carriers we have seen on the route: Frontier Airlines, United Airlines, Southwest Airlines, Alaska Airlines.
How long does the flight from Denver to Portland take?
The average journey time across the 61 fares we observed is 7h 21m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Denver to Portland fares were non-stop?
29 of the 62 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Denver to Portland?
For Denver to Portland, examples of observed one-way non-stop offers checked within the last 14 days: Southwest Airlines (4), United Airlines (4). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Denver to Portland?
Cheapest airline from Denver to Portland: Frontier Airlines, from €103 (checked 18 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 18 Oct 2026