Cheap flights from Colorado to Portland from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Portland departing on 8/31. 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 Colorado to Portland
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
JetBlue flights from Colorado to Portland, Maine
Our best JetBlue deals on Colorado to Portland, Maine flight tickets
Frontier flights from Colorado to Portland, Maine
Our best Frontier deals on Colorado to Portland, Maine flight tickets
See travel insights to Portland from
How to get the cheapest flight ticket from Colorado to Portland, Maine
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 Portland, Maine?
The cheapest month to fly to Portland, Maine from Colorado is in November. Flight prices, which tend to average around $378, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $388.
What is the cheapest day to depart on your flight to Portland, Maine?
On average, the least expensive day to fly to Portland, Maine from Colorado is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $558. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $710.
What is the cheapest time of day to depart on your flight to Portland, Maine?
In the evening is the cheapest time of day to fly from Colorado to Portland, Maine when you can find flight prices for as low as $368. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $646. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Colorado to Portland flight route?
Fly from Denver Intl to Portland for the best Colorado - Portland flight prices
How far in advance should I book a flight to Portland, Maine?
You are more likely to see cheaper flights to Portland, Maine from Colorado when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $458 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Colorado for as low as $361 on momondo.
What cabin class options are available on Colorado to Portland flights?
There are 4 cabin classes available to choose from on Colorado to Portland 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 Colorado to Portland?
United Airlines, Delta, and JetBlue are the most popular carriers operating from Colorado to Portland
What airlines fly to Portland, Maine?
United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Portland, Maine from Colorado according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 7 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
How many flights depart from Colorado to Portland, Maine on average per day?
As of June 2025, there are 1 flights per day flying from Colorado to Portland, Maine. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.
How many flights depart from Colorado to Portland, Maine on average per week?
As of June 2025, 7 flights take off from Colorado and land in Portland, Maine each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap Colorado to Portland, Maine flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Colorado to Portland, Maine
Best Price Found | $109 |
|---|---|
Fastest flight time | 3h 55m |
Direct flights | Every day |
Airports in Portland, Maine | 1 airport |
When did momondo last update prices for flights from Colorado to Portland Airport?
Prices for flights from Colorado to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Portland Airport?
The number of operators available for flights from Colorado to Portland Airport is 6 as of June 2025.
How old do you have to be to fly from Colorado to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Portland, Maine?
momondo data reveals that the most frequently booked plane model on the route from Colorado to Portland, Maine is Boeing 737-900, representing 49.77% of all bookings. The subsequent popular models are Airbus A319 at 25.81%, Boeing 737-800 at 7.83%, and Boeing 737 MAX 9 at 7.37%.
Best airlines flying from Colorado to Portland, Maine
Compare and see reviews for airlines that fly from Colorado to Portland, Maine with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $161 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $209 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $253 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $278 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $294 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Colorado to Portland?
It is quick and easy to find Colorado to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.
Can I find flights from Colorado to Portland with flexible booking policies on momondo?
momondo does allow users to show only those flights to Portland from Colorado which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Colorado to Portland?
Once all potential Colorado to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Colorado to Portland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Colorado to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.