Cheap flights from Portland to Denver from $48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Denver departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland to Denver
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Portland to Denver
Our best Frontier deals on Portland to Denver flight tickets
Southwest flights from Portland to Denver
Our best Southwest deals on Portland to Denver flight tickets
See travel insights to Denver from
How to get the cheapest flight ticket from Portland to Denver
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denver?
The cheapest month to fly to Denver from Portland is in September. Flight prices, which tend to average around $136, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Portland, when ticket prices are also cheap, with an average price of $154.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $309. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $394.
What is the cheapest time of day to depart on your flight to Denver?
The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $224. Flights at noon are often more expensive with an average ticket price of $455.
What is the cheapest Portland to Denver Intl flight route?
Fly from Portland to Denver Intl for the best Portland - Denver Intl flight prices
How far in advance should I book a flight to Denver?
You are more likely to see cheaper flights to Denver from Portland when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $184 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Portland for as low as $144 on momondo.
What cabin class options are available on Portland to Denver Intl flights?
There are 4 cabin classes available to choose from on Portland to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Portland to Denver Intl?
Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Portland to Denver Intl
What airlines fly to Denver?
Frontier, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Denver from Portland according to our data. Frontier is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portland to Denver on average per day?
11 flights are operational daily from Portland to Denver as of April 2025. The most popular departure time for this route is 4:00PM, with 38% of flights per day taking off in the afternoon.
How many flights depart from Portland to Denver on average per week?
As of April 2025, there are 77 flights per week flying from Portland to Denver. The most common day of the week flights depart is Fri, with 22% of flights taking off on this day.
When to book flights from Portland to Denver
Cheap Portland to Denver (PDX to DEN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Denver
How far is Portland to Denver Intl by plane?
The straight-line distance from Portland to Denver Intl is 980.7 mi. Typically, this will take 2h 30m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Denver Intl Airport?
Prices for flights from Portland Airport to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Denver Intl Airport?
There are 6 operators available for flights from Portland Airport to Denver Intl Airport as of April 2025.
How old do you have to be to fly from Portland Airport to Denver Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portland to Denver?
momondo data reveals that the most frequently booked plane model on the route from Portland to Denver is Boeing 737 MAX 8, representing 16.12% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 14.22%, Boeing 737-800 at 11.47%, and Boeing 737 MAX 9 at 9.57%.
What is the most popular airline from Portland to Denver?
momondo data reveals that the most frequently booked airline on the route from Portland to Denver is Frontier, representing 52% of all bookings. The subsequent popular airlines are United Airlines at 22%, Alaska Airlines at 16%, and Southwest at 8%.
Best airlines flying from Portland to Denver
Compare and see reviews for airlines that fly from Portland to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $55 | Free Cancellation | Rating 5.9 3,276 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 7.9 2,347 reviews | |||
| PriceFrom $143 | Free Cancellation | Rating 8.0 9,836 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.4 8,618 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 8.0 4,276 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 7,901 reviews |
Alaska Airlines Flights From Portland to Denver
Alaska Airlines flight deals from Portland to Denver start from $143 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $260 round-trip - but some users have found much cheaper deals with momondo.
Southwest Flights From Portland to Denver
Southwest (8.0/10 from 4,276 reviews) operates around 15 flights from Portland to Denver in any given week. The average Southwest airfare for this route is around $234, with deals from around $156 rare but found on momondo. Referenced prices are for round-trip Portland to Denver flight searches in the last 72 hours.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Denver?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Denver. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Denver with flexible booking policies on momondo?
All flight searches from Portland to Denver on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Denver?
momondo helps you find the best flight between Portland and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Portland to Denver right now. Can momondo alert me if prices change?
Price alerts on flights to Denver from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.