How long is the flight from Portugal to Colorado?

Flight times from Portugal to Colorado vary, but if you’re flying out of Lisbon and flying into Denver (one of the most popular routes), then the duration is 15h 15m on average. Another popular route from Portugal to Colorado is flying from Funchal to Denver, which will take roughly 42h 40m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Portugal to Colorado?

British Airways and Finnair are the most popular carriers operating from Portugal to Colorado

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

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

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.

$426 Cheap Flights from Portugal to Colorado in 2026

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Find the cheapest flights from Portugal to Colorado

Round-trip

One-way

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Recent round-trip flight deals from Portugal to Colorado

Enter your travel dates to find the best prices.

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$728Aer Lingus

Sun, May 17 - Mon, Jun 1

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$730Aer Lingus

Sun, May 17 - Mon, Jun 1

6:10 am - 10:59 pm

LIS

DEN

23h 49m

2 stops

8:00 pm - 9:45 pm

DEN

LIS

18h 45m

1 stop

$901Multiple Airlines

Wed, Apr 29 - Mon, Aug 3

6:10 am - 10:59 pm

LIS

DEN

23h 49m

2 stops

8:00 pm - 9:45 pm

DEN

LIS

18h 45m

1 stop

$902Multiple Airlines

Wed, Apr 29 - Sun, Aug 2

8:05 pm - 9:40 am

LIS

DEN

44h 35m

2 stops

8:00 pm - 9:45 pm

DEN

LIS

18h 45m

1 stop

$930Multiple Airlines

Thu, Apr 30 - Mon, Aug 3

8:05 pm - 9:40 am

LIS

DEN

44h 35m

2 stops

8:00 pm - 9:45 pm

DEN

LIS

18h 45m

1 stop

$932Multiple Airlines

Thu, Apr 30 - Sun, Aug 2

11:35 am - 9:40 am

LIS

DEN

29h 05m

2 stops

8:00 pm - 9:45 pm

DEN

LIS

18h 45m

1 stop

$933Multiple Airlines

Fri, May 1 - Sun, Aug 2

5:00 am - 7:42 pm

LIS

DEN

21h 42m

2 stops

3:12 pm - 5:50 pm

DEN

LIS

19h 38m

2 stops

$948Delta

Wed, Apr 29 - Thu, May 28

5:00 am - 8:15 pm

LIS

DEN

22h 15m

2 stops

6:30 am - 8:50 am

DEN

LIS

19h 20m

2 stops

$949Delta

Tue, May 26 - Tue, Jun 2

1:10 pm - 4:20 pm

FNC

DEN

34h 10m

1 stop

6:30 pm - 12:20 pm

DEN

FNC

34h 50m

1 stop

$1,300British Airways

Sat, Apr 25 - Wed, Apr 29

American Airlines flights from Portugal to Colorado

Our best American Airlines deals on Portugal to Colorado flight tickets

American Airlines

May 8

LIS6:35 amLisbon Humberto Delgado

24h 31m

2 stops

DEN12:06 amDenver Intl

May 12

DEN6:30 pmDenver Intl

21h 30m

1 stop

LIS11:00 pmLisbon Humberto Delgado

$1,006

American Airlines

May 7

LIS8:25 amLisbon Humberto Delgado

21h 20m

2 stops

DEN10:45 pmDenver Intl

May 10

DEN6:30 pmDenver Intl

21h 35m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$1,015

Lufthansa flights from Portugal to Colorado

Our best Lufthansa deals on Portugal to Colorado flight tickets

Lufthansa

May 11

LIS7:25 amLisbon Humberto Delgado

15h 15m

1 stop

DEN3:40 pmDenver Intl

May 18

DEN8:20 pmDenver Intl

18h 55m

2 stops

LIS10:15 pmLisbon Humberto Delgado

$1,040

Lufthansa

May 11

LIS5:05 amLisbon Humberto Delgado

18h 11m

2 stops

DEN4:16 pmDenver Intl

May 18

DEN8:20 pmDenver Intl

18h 55m

2 stops

LIS10:15 pmLisbon Humberto Delgado

$1,050

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sun 5/17

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Mon 6/1

8:00 pm-9:35 pm

1 stop18h 35m

$728

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sun 5/17

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Mon 6/1

8:00 pm-9:35 pm

1 stop18h 35m

$730

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

6:10 am-10:59 pm

2 stops23h 49m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$901

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

6:10 am-10:59 pm

2 stops23h 49m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$902

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 4/30

8:05 pm-9:40 am

2 stops44h 35m

Denver Intl

Mon 8/3

8:00 pm-9:45 pm

1 stop18h 45m

$930

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 4/30

8:05 pm-9:40 am

2 stops44h 35m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$932

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 5/1

11:35 am-9:40 am

2 stops29h 05m

Denver Intl

Sun 8/2

8:00 pm-9:45 pm

1 stop18h 45m

$933

Quickest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 4/29

5:00 am-7:42 pm

2 stops21h 42m

Denver Intl

Thu 5/28

3:12 pm-5:50 pm

2 stops19h 38m

$948

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 5/26

5:00 am-8:15 pm

2 stops22h 15m

Denver Intl

Tue 6/2

6:30 am-8:50 am

2 stops19h 20m

$949

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Sat 4/25

1:10 pm-4:20 pm

1 stop34h 10m

Denver Intl

Wed 4/29

6:30 pm-12:20 pm

1 stop34h 50m

$1,300

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

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Other information

What is the cheapest month to fly to Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from Portugal, with most prices found around $875. The month of August is another great option to travel to Colorado, with average flight prices from Portugal averaging around $901.

Can stopping save me money on Portugal to Colorado flights?

You could potentially save up to 16% 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	15h 15m
Direct flights	None

The fastest flight from Portugal to Colorado takes 15h 15m

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

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Frequently asked questions about flying from Portugal to Colorado

When did momondo last update prices for flights from Portugal to Colorado?
Prices for flights from Portugal to Colorado were last updated today.
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.

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.