Cheap flights from Denver to Portugal from $316
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Portugal departing on 7/13. 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 Denver to Portugal
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Icelandair flights from Denver to Portugal
Our best Icelandair deals on Denver to Portugal flight tickets
Air Canada flights from Denver to Portugal
Our best Air Canada deals on Denver to Portugal flight tickets
See travel insights to Portugal from
How to get the cheapest flight ticket from Denver 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 Denver 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 Denver 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 Denver. 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 Denver 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 Denver when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $990 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Denver for as low as $885 on momondo.
What is the cheapest airline that flies from Denver Intl to Portugal?
British Airways, American Airlines, and KLM are the most popular carriers operating from Denver Intl 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 Denver according to our data. United Airlines is the first choice among our users, with 59% 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 Denver to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Portugal
When did momondo last update prices for flights from Denver Intl Airport to Portugal?
Prices for flights from Denver Intl Airport to Portugal are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Portugal?
There are 13 operators available for flights from Denver Intl Airport to Portugal as of June 2025.
How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport 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 Denver to Portugal
Compare and see reviews for airlines that fly from Denver to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $458 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.8 1,361 reviews | |||
| PriceFrom $539 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $553 | Free Cancellation | Rating 6.6 7,016 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.3 3,851 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom $619 | Free Cancellation | Rating 6.8 7,148 reviews | |||
| PriceFrom $627 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $652 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Denver to Portugal?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Portugal. momondo saves you time and could save you money on your trip.
Can I find flights from Denver to Portugal with flexible booking policies on momondo?
Flights from Denver 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 Denver to Portugal?
Once you have performed a search for Denver to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Denver to Portugal right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portugal from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.