Route guide
Cheap Flights from Denver to Portland: Book Airline Tickets
- Distance
- about 990 mi
- Typical flight time
- 2 h 15 min – 3 h 15 min
- Airports
- 1 × 1
- Time difference
- 1 h behind

This page covers the practical side of flying between Denver and Portland: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Denver to Portland is about 990 miles (1,590 km) and a typical flight takes 2 h 15 min to 3 h 15 min. Portland is 1 hour behind Denver. Denver has 1 airport to compare and Portland has 1.
Airport pairs to compare
Denver's airport lies on the plains northeast of the city, roughly 25 miles from downtown, so ground transport time matters. Portland's airport is compact and easy to navigate, with a light rail link to the city.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| DEN to PDX | Denver International | Portland International |
About the airports
- DEN · Denver International
Sits roughly 25 miles northeast of downtown, with a commuter rail line to Union Station. - PDX · Portland International
The main airport, northeast of downtown and linked to the city by light rail.
Airlines with a major base at either end
- At Denver: United Airlines, Southwest Airlines
- At Portland: Alaska Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Denver
Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual.
Portland
July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower.
How long is Denver to Portland?
At about 990 miles, Denver to Portland is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
Portland is 1 hour behind Denver, so you land at a local time 1 hour earlier than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Denver: The A Line commuter train runs from the airport to Union Station downtown. Shuttles and rental cars serve the mountains.
Portland: MAX Red Line light rail runs from the airport to downtown Portland. Taxis, ride-hail and rental cars are also available.
Planning ground transport too? See our car rental guide.
Good to know
- If you are heading to a ski area, allow extra time on mountain roads in winter, and watch the forecast before travel day.
- Winter fog and rain can occasionally slow departures, so leave a little extra time on travel day.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Portland to Denver?
This route guide works in both directions. For other trips, see all flights from Denver or all flights from Portland.
Frequently asked questions
How far is Denver from Portland?
The straight-line distance between the main airports is about 990 miles (1,590 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Denver to Portland?
A typical scheduled flight takes roughly 2 h 15 min to 3 h 15 min in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Denver: DEN (Denver International). At Portland: PDX (Portland International). Ask for prices on more than one pairing.
Is there a time difference?
Portland is 1 hour behind Denver.
When is the best time to fly from Denver to Portland?
In Denver: Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual. In Portland: July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Denver to Portland?
Airlines with a major base at either end include United Airlines, Southwest Airlines and Alaska Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.