Cheap flights from Colorado to Porto from $341
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 Porto departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Colorado to Porto
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 Porto?
The month of January is, on average, the cheapest month to fly to Porto from Colorado, with most prices found around $710. If you aren’t able to travel during the month of January, then book flights to Porto from Colorado during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $764.
What is the cheapest day to depart on your flight to Porto?
The cheapest day to depart on your flight to Porto is on a Monday when prices can be found for as low as $1,053. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,233. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.
What is the cheapest time of day to depart on your flight to Porto?
In the evening is the cheapest time of day to fly from Colorado to Porto when you can find flight prices for as low as $982. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,448 on average. Flights to Porto from Colorado at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Porto?
You are more likely to see cheaper flights to Porto from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $975 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Colorado for as low as $855 on momondo.
What is the cheapest airline that flies from Colorado to Porto?
United Airlines and Lufthansa are the most popular carriers operating from Colorado to Porto
What airlines fly to Porto?
United Airlines, Lufthansa and Turkish Airlines are the top three most popular airlines that fly to Porto from Colorado according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 5 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.
Cheap Colorado to Porto flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Colorado to Porto
When did momondo last update prices for flights from Colorado to Porto Airport?
Prices for flights from Colorado to Porto Airport refresh daily.
How many operators does momondo search for flights from Colorado to Porto Airport?
As of June 2025, there are 5 operators available to choose from for flights from Colorado to Porto Airport.
How old do you have to be to fly from Colorado to Porto 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 Colorado to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Colorado to Porto
Compare and see reviews for airlines that fly from Colorado to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $490 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 7.3 3,853 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 6.7 7,156 reviews | |||
| PriceFrom $692 | Free Cancellation | Rating 8.0 7,964 reviews |
Traveling to a place near Porto?
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Why should I use momondo to find a flight deal from Colorado to Porto?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Colorado.
Can I find flights from Colorado to Porto with flexible booking policies on momondo?
All flight searches from Colorado to Porto on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Colorado to Porto?
Once all potential Colorado to Porto 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 Porto right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Colorado to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.