How long is the flight from Portugal to Colorado?

Flight times from Portugal to Colorado vary, but if you’re flying out of Funchal and flying into Denver (one of the most popular routes), then the duration is 17h 16m on average. Another popular route from Portugal to Colorado is flying from Lisbon to Denver, which will take roughly 18h 30m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Colorado?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Colorado from Portugal according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portugal to Colorado?

Prices for flights from Portugal to Colorado were last updated today.

How many operators does momondo search for flights from Portugal to Colorado?

As of November 2025, there are 3 operators available to choose from for flights from Portugal to Colorado.

How old do you have to be to fly from Portugal to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado 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 Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$353 Cheap Flights from Portugal to Colorado in 2025/26

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Find the cheapest flights from Portugal to Colorado

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Recent round-trip flight deals from Portugal to Colorado

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3:20 pm - 5:54 pmLIS-DEN

57h 34m2 stops

3:40 pm - 8:20 pmDEN-LIS

21h 40m1 stop

$614Multiple Airlines

Find Deal

Thu, Jan 15 - Wed, Jan 28

8:20 am - 11:16 pmLIS-DEN

21h 56m2 stops

12:52 pm - 6:55 pmDEN-LIS

23h 03m2 stops

$740American Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

11:05 am - 11:16 pmLIS-DEN

19h 11m2 stops

4:30 pm - 5:45 pmDEN-LIS

18h 15m2 stops

$741American Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

11:05 am - 9:16 pmLIS-DEN

17h 11m2 stops

5:25 pm - 5:45 pmDEN-LIS

17h 20m1 stop

$743Multiple Airlines

Find Deal

Mon, Jan 12 - Sun, Jan 25

10:55 am - 10:24 pmLIS-DEN

18h 29m1 stop

4:30 pm - 9:55 pmDEN-LIS

22h 25m2 stops

$745British Airways

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:45 pm - 3:30 pmLIS-DEN

27h 45m1 stop

10:45 am - 12:05 pmDEN-LIS

18h 20m2 stops

$764British Airways

Find Deal

Fri, Jan 9 - Fri, Jan 16

8:25 am - 10:19 pmLIS-DEN

20h 54m2 stops

5:51 pm - 6:25 pmDEN-LIS

17h 34m2 stops

$766Iberia

Find Deal

Tue, Apr 14 - Tue, Apr 28

4:10 pm - 6:13 pmLIS-DEN

33h 03m2 stops

12:52 pm - 11:25 pmDEN-LIS

27h 33m2 stops

$792Finnair

Find Deal

Mon, Jan 12 - Sun, Jan 25

4:10 am - 5:58 pmFNC-DEN

20h 48m2 stops

1:31 pm - 1:35 pmDEN-FNC

17h 04m2 stops

$1,662United Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

4:10 am - 7:25 pmFNC-DEN

22h 15m2 stops

11:49 am - 1:35 pmDEN-FNC

18h 46m2 stops

$1,664United Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

American Airlines flights from Portugal to Colorado

Our best American Airlines deals on Portugal to Colorado flight tickets

American Airlines

Jan 22

LIS8:20 amLisbon Humberto Delgado

21h 56m

2 stops

DEN11:16 pmDenver Intl

Jan 26

DEN12:52 pmDenver Intl

23h 03m

2 stops

LIS6:55 pmLisbon Humberto Delgado

$740

Find similar

American Airlines

Jan 12

LIS6:30 amLisbon Humberto Delgado

23h 46m

2 stops

DEN11:16 pmDenver Intl

Jan 25

DEN6:00 amDenver Intl

23h 05m

2 stops

LIS12:05 pmLisbon Humberto Delgado

$741

Find similar

American Airlines

Jan 22

LIS8:20 amLisbon Humberto Delgado

21h 56m

2 stops

DEN11:16 pmDenver Intl

Jan 26

DEN12:34 pmDenver Intl

13h 31m

2 stops

LIS9:05 amLisbon Humberto Delgado

$754

Find similar

United Airlines flights from Portugal to Colorado

Our best United Airlines deals on Portugal to Colorado flight tickets

United Airlines

Dec 4

LIS5:00 amLisbon Humberto Delgado

18h 54m

2 stops

COS4:54 pmColorado Springs

Dec 8

COS4:45 pmColorado Springs

33h 35m

2 stops

LIS9:20 amLisbon Humberto Delgado

$835

Find similar

United Airlines

Jan 22

LIS5:00 amLisbon Humberto Delgado

15h 40m

1 stop

DEN1:40 pmDenver Intl

Jan 26

DEN1:31 pmDenver Intl

11h 39m

1 stop

LIS8:10 amLisbon Humberto Delgado

$852

Find similar

United Airlines

Jan 12

LIS10:15 amLisbon Humberto Delgado

14h 43m

1 stop

DEN5:58 pmDenver Intl

Jan 25

DEN11:49 amDenver Intl

13h 21m

1 stop

LIS8:10 amLisbon Humberto Delgado

$886

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 1/15

3:20 pm-5:54 pm

2 stops57h 34m

Denver Intl

Wed 1/28

3:40 pm-8:20 pm

1 stop21h 40m

$614

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 1/22

8:20 am-11:16 pm

2 stops21h 56m

Denver Intl

Mon 1/26

12:52 pm-6:55 pm

2 stops23h 03m

$740

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 1/12

11:05 am-11:16 pm

2 stops19h 11m

Denver Intl

Sun 1/25

4:30 pm-5:45 pm

2 stops18h 15m

$741

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 1/12

11:05 am-9:16 pm

2 stops17h 11m

Denver Intl

Sun 1/25

5:25 pm-5:45 pm

1 stop17h 20m

$743

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 1/22

10:55 am-10:24 pm

1 stop18h 29m

Denver Intl

Mon 1/26

4:30 pm-9:55 pm

2 stops22h 25m

$745

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 1/9

6:45 pm-3:30 pm

1 stop27h 45m

Denver Intl

Fri 1/16

10:45 am-12:05 pm

2 stops18h 20m

$764

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 4/14

8:25 am-10:19 pm

2 stops20h 54m

Denver Intl

Tue 4/28

5:51 pm-6:25 pm

2 stops17h 34m

$766

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Mon 1/12

4:10 pm-6:13 pm

2 stops33h 03m

Denver Intl

Sun 1/25

12:52 pm-11:25 pm

2 stops27h 33m

$792

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Wed 1/21

4:10 am-5:58 pm

2 stops20h 48m

Denver Intl

Mon 1/26

1:31 pm-1:35 pm

2 stops17h 04m

$1,662

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Wed 1/21

4:10 am-7:25 pm

2 stops22h 15m

Denver Intl

Mon 1/26

11:49 am-1:35 pm

2 stops18h 46m

$1,664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portugal to Colorado

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

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of February is, on average, the cheapest month to fly to Colorado from Portugal, with most prices found around $821. The month of March is another great option to travel to Colorado, with average flight prices from Portugal averaging around $885.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Portugal to Colorado is on a Wednesday when prices can be found for as low as $772. On the other hand, Friday is the most expensive day to depart from Portugal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,229.

Can stopping save me money on Portugal to Colorado flights?

You could potentially save up to 2% on your flight if you consider stops on a Portugal to Colorado flight.

Cheap Portugal to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Colorado

Fastest flight time	17h 16m
Direct flights	None

The fastest flight from Portugal to Colorado takes 17h 16m

There are no direct flights from Portugal to Colorado. There are no popular flight routes from Portugal to Colorado.

Search flight deals

When did momondo last update prices for flights from Portugal to Colorado?
Prices for flights from Portugal to Colorado were last updated today.
How many operators does momondo search for flights from Portugal to Colorado?
As of November 2025, there are 3 operators available to choose from for flights from Portugal to Colorado.
How old do you have to be to fly from Portugal to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado 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 Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Colorado

Compare and see reviews for airlines that fly from Portugal to Colorado with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $749	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Delta	PriceFrom $758	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
United Airlines	PriceFrom $809	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Colorado?

It is quick and easy to find Portugal to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

Can I find flights from Portugal to Colorado with flexible booking policies on momondo?

momondo does allow users to show only those flights to Colorado from Portugal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portugal to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portugal to Colorado.

I’m not ready to book a flight from Portugal to Colorado right now. Can momondo alert me if prices change?

Price alerts on flights to Colorado from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.