Cheap flights from Colorado to Portugal from $313
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 Portugal departing on 7/30. 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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Icelandair flights from Colorado to Portugal
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How to get the cheapest flight ticket from Colorado to Portugal
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 Portugal?
The cheapest month to fly to Portugal from Colorado is in January. Flight prices, which tend to average around $740, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Colorado during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $774.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Wednesday is the cheapest day to fly to Portugal from Colorado. The lowest ticket price found for a Wednesday departure recently was $950. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,154.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Colorado to Portugal during this time can be as low as $995. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,110 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $990 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Colorado for as low as $885 on momondo.
What is the cheapest airline that flies from Colorado to Portugal?
Icelandair, British Airways, and KLM are the most popular carriers operating from Colorado to Portugal
What airlines fly to Portugal?
United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Portugal from Colorado according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 13 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Colorado to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Colorado to Portugal
When did momondo last update prices for flights from Colorado to Portugal?
Prices for flights from Colorado to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Colorado to Portugal?
As of June 2025, there are 13 operators available to choose from for flights from Colorado to Portugal.
How old do you have to be to fly from Colorado to Portugal?
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 Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal 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 Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Colorado to Portugal
Compare and see reviews for airlines that fly from Colorado to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $458 | Free Cancellation | Rating 7.0 502 reviews | |||
| PriceFrom $490 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom $539 | Free Cancellation | Rating 7.4 653 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.3 3,853 reviews | |||
| PriceFrom $559 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 1,467 reviews | |||
| PriceFrom $624 | Free Cancellation | Rating 6.7 7,156 reviews | |||
| PriceFrom $627 | Free Cancellation | Rating 7.1 9,568 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Colorado to Portugal?
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 Portugal from Colorado.
Can I find flights from Colorado to Portugal with flexible booking policies on momondo?
Flights from Colorado to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Colorado to Portugal?
momondo helps you find the best flight between Colorado and Portugal 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 Colorado to Portugal right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Colorado and alert you when they change.