Cheap Flights from Portland, ME to Denver, CO from $100
On Cheapflightsplus.com you will find 6 direct and 265 connecting flights from Portland to Denver. You can compare airfare deals from 5 airlines and multiple travel sites from $100, book and save on cheap plane tickets and last minute offers. Also check out PWM-DEN flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Portland to Denver depends on and how to choose the most interesting flight option for you.
Distance between Portland and Denver is 2861 miles. Time difference between the cities is 2h. Airplanes depart 05:08 to 20:07 from 1 Portland airport and arrive 05:08 to 20:07 to 2 Denver airports. Average flight time is 4h 38m.
- The fastest flight 4h 25m
- Average flight time 4h 38m
- The earliest flight 05:08
- The latest flight 20:07
- Distance 1778 ml
Best Flights from Portland to Denver Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $281 | 15:35 Portland Portland Intl Jetport | 18:00 Denver Denver International | 4h 25m | United Airlines | UA1092 |
from $423 | 15:37 Portland Portland Intl Jetport | 18:15 Denver Denver International | 4h 38m | United Airlines | UA1593 |
from $100 | 16:57 Portland Portland Intl Jetport | 23:31 Denver Denver International | 8h 34m layover 0h 41m - Orlando | Frontier Airlines | F91929 F93311 |
from $136 | 19:25 Portland Portland Intl Jetport | 07:59+1 день Denver Denver International | 14h 34m layover 7h 3m - Orlando | Frontier Airlines | F92621 F91733 |
The cheapest months to travel to Denver are may (from 100 $), june (from 136 $), august (from 139 $).
The most expensive months are october (from 214 $), september (from 209 $), july (from 199 $).
What is the lowest airfare Portland to Denver?
The cheapest plane ticket found by our users is $100. This airfare is for economy class on one-way F91929 flight by Frontier Airlines for May 24, 2025 which leaves Portland Intl Jetport in Portland at 16:57 am and arrives at Denver Denver International at 23:31.
Flight Schedule Portland (Maine) to Denver (Colorado)
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Popular Airlines on the Route
The flight Portland — Denver is served by 5 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 3 departures per week at the price of from $ 398 . And the most expensive tickets are offered by United Airlines airline - from $ 1471.
Direct flights
There are 6 nonstop flights on the route. The fastest direct flight is UA1092 by United Airlines takes 4h 25m and the cheapest is F91929 by Frontier Airlines for $281.
- UA - United Airlinesfrom $281Find
Connecting Flights
There are 265 flights with layovers on the route. The fastest connecting flight is UA3438 by United Airlines takes 6h 19m and the cheapest is F91929 by Frontier Airlines for $100.
- AS - Alaska Airlinesfrom $398Find
- F9 - Frontier Airlinesfrom $100Find
- SY - Sun Country Airlinesfrom $139Find
- MX - Mexicanafrom $279Find
- UA - United Airlinesfrom $207Find
Airports
You can fly from Portland to Denver from 1 airports (Portland Intl Jetport).
Portland airports
- Portland Intl Jetport-PWMfrom $100Find
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
Airplanes
There are flights to Denver from Portland by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Portland
You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.
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Top International Destinations from Portland
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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