$394 Find Cheap Flights from Portugal to Denver - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Denver departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Denver, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Portugal to Denver

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portugal to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portugal to Denver

Tue, Nov 17 - Mon, Nov 30
Icelandair Logo
2:00 pm - 6:05 pm
LIS
-
DEN
35h 05m
1 stop
Icelandair Logo
3:40 pm - 12:50 pm
DEN
-
LIS
14h 10m
1 stop
$662Icelandair
Thu, Nov 5 - Mon, Nov 9
Icelandair Logo
2:00 pm - 6:05 pm
LIS
-
DEN
35h 05m
1 stop
Icelandair Logo
3:40 pm - 12:50 pm
DEN
-
LIS
14h 10m
1 stop
$699Icelandair
Thu, Dec 3 - Tue, Dec 8
Multiple Airlines Logo
2:00 pm - 6:05 pm
LIS
-
DEN
35h 05m
1 stop
Multiple Airlines Logo
11:59 pm - 12:50 pm
DEN
-
LIS
29h 51m
2 stops
$804Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Icelandair Logo
2:00 pm - 6:05 pm
LIS
-
DEN
35h 05m
1 stop
Icelandair Logo
3:40 pm - 12:50 pm
DEN
-
LIS
14h 10m
1 stop
$829Icelandair
Thu, Nov 5 - Mon, Nov 9
Icelandair Logo
2:00 pm - 6:05 pm
LIS
-
DEN
35h 05m
1 stop
Icelandair Logo
3:40 pm - 12:50 pm
DEN
-
LIS
14h 10m
1 stop
$831Icelandair
Tue, Nov 17 - Mon, Nov 30
Multiple Airlines Logo
8:05 am - 9:48 am
LIS
-
DEN
32h 43m
2 stops
Multiple Airlines Logo
3:40 pm - 12:50 pm
DEN
-
LIS
14h 10m
1 stop
$834Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
American Airlines Logo
8:20 am - 10:22 pm
LIS
-
DEN
21h 02m
2 stops
American Airlines Logo
5:25 pm - 6:55 pm
DEN
-
LIS
18h 30m
1 stop
$868American Airlines
Thu, Sep 17 - Thu, Sep 24
British Airways Logo
11:05 am - 10:24 pm
LIS
-
DEN
18h 19m
1 stop
British Airways Logo
6:40 pm - 11:05 pm
DEN
-
LIS
21h 25m
1 stop
$879British Airways
Tue, Jun 30 - Sat, Jul 4
Lufthansa Logo
3:40 pm - 1:45 pm
FNC
-
DEN
29h 05m
2 stops
Lufthansa Logo
5:40 pm - 4:05 pm
DEN
-
FNC
15h 25m
1 stop
$1,533Lufthansa
Tue, Jun 30 - Sat, Jul 4
Lufthansa Logo
3:40 pm - 1:30 pm
FNC
-
DEN
28h 50m
1 stop
Lufthansa Logo
3:55 pm - 4:05 pm
DEN
-
FNC
17h 10m
1 stop
$1,536Lufthansa
Booking Insights

KAYAK's insights & trends for flights to Denver

Get data-powered insights and trends for flights to Denver to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Denver is May, where tickets cost $737 on average for return flights. On the other hand, the most expensive months are July and April, where the average cost of tickets from Portugal is $1,035 and $1,033 respectively. For one-way flights, the best month to travel is April with an average price of $557.

Good to know

Low seasonJuly
Cheapest flight$394
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Lisbon to Denver

FAQs - booking Denver flights

  • How far is Denver Intl Airport from central Denver?

    Central Denver is 18 miles away from Denver Intl Airport.

  • What is the name of Denver’s airport?

    All flights to Denver land at Denver Intl Airport. The airport code is DEN,and it can also be referred to as Denver or Denver Intl.

  • How does KAYAK find such low prices on flights to Denver?

    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 to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Denver?

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

  • What is the Hacker Fare option on flights to Denver?

    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 to Denver with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Denver?

    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 to Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Denver are there each week?

    Each week there are around 12,205 direct flights from within Portugal to Denver. The most common day for departures is Sunday, with 16% of flights taking off on this day.

Top tips for finding cheap flights to Denver

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Denver flight deals.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Lakewood
Dillon
Broomfield
Englewood
Greenwood Village
Lone Tree
Central City
Limon
Brighton
Wheat Ridge
Fort Morgan
Evergreen
Erie

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver