$311 Find Cheap Flights from Colorado to Portugal - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Portugal.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Colorado to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Colorado to Portugal with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Colorado to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 14 airports in Portugal. The busiest airport is Lisbon Portela Airport (LIS), with 59% of all flights arriving there.

The cheapest month for flights from Colorado to Portugal is January, when tickets cost $427 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $756 and $611 respectively.

To get a below average price on the flight from Colorado to Portugal, you should book around 3 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

An average nonstop flight from Colorado to Portugal takes 20h 46m, covering a distance of 4583 miles. The shortest route is Denver (DEN) to Ponta Delgada (PDL) with an average flight time of 10h 50m.

Based on KAYAK flight searches, the most popular destination is Lisbon (58% of total searches to Portugal). The next most popular destinations are Porto (19%) and Ponta Delgada (9%). Searches for flights to Faro (6%), to Funchal (5%) and to Lajes (1%) are also popular.