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 17h 05m on average. Another popular route from Portugal to Colorado is flying from Funchal to Denver, which will take roughly 30h 19m. Keep in mind that layovers or delays could extend your travel time.

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

Delta, British Airways, and TAP AIR PORTUGAL 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 many operators does momondo search for flights from Portugal to Colorado?

As of September 2026, there is 1 operator 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.

$466 Cheap Flights from Portugal to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portugal to Colorado

Round-trip

One-way

Recent round-trip flight deals from Portugal to Colorado

Enter your travel dates to find the best prices.

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

3:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

$661Icelandair

Thu, Nov 5 - Wed, Nov 18

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

3:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

$735Icelandair

Thu, Nov 5 - Wed, Nov 18

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

3:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

$736Icelandair

Thu, Nov 5 - Wed, Nov 18

8:20 am - 1:38 pmLIS Lisbon Humberto Delgado-COS Colorado Springs

36h 18m2 stops Madrid Barajas Chicago O'Hare Intl

2:08 pm - 6:50 pmCOS Colorado Springs-LIS Lisbon Humberto Delgado

21h 42m2 stops Chicago O'Hare Intl London Heathrow

$885American Airlines

Thu, Jan 21 - Mon, Jan 25

8:20 am - 9:03 pmLIS Lisbon Humberto Delgado-COS Colorado Springs

19h 43m2 stops Madrid Barajas Dallas/Fort Worth

2:08 pm - 6:50 pmCOS Colorado Springs-LIS Lisbon Humberto Delgado

21h 42m2 stops Chicago O'Hare Intl London Heathrow

$886American Airlines

Thu, Jan 21 - Mon, Jan 25

8:20 am - 9:03 pmLIS Lisbon Humberto Delgado-COS Colorado Springs

19h 43m2 stops Madrid Barajas Dallas/Fort Worth

2:08 pm - 6:50 pmCOS Colorado Springs-LIS Lisbon Humberto Delgado

21h 42m2 stops Chicago O'Hare Intl London Heathrow

$889American Airlines

Thu, Jan 21 - Mon, Jan 25

5:30 am - 8:27 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

21h 57m2 stops Paris Charles de Gaulle Montreal Pierre Elliott Trudeau Intl

11:25 am - 5:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

23h 05m2 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle

$891Multiple Airlines

Thu, Nov 5 - Wed, Nov 18

6:30 pm - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

28h 05m2 stops Paris Charles de Gaulle Frankfurt am Main

11:25 am - 4:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

22h 30m3 stops Montreal Pierre Elliott Trudeau Intl Paris Charles de Gaulle Barcelona-El Prat

$897Multiple Airlines

Thu, Nov 5 - Wed, Nov 18

5:00 am - 1:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 40m1 stop Frankfurt am Main

2:10 pm - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 10m1 stop Washington, D.C. Dulles Intl

$1,001United Airlines

Thu, Nov 5 - Wed, Nov 18

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

12:35 pm - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 45m1 stop Washington, D.C. Dulles Intl

$1,005United Airlines

Thu, Nov 5 - Wed, Nov 18

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British Airways flights from Portugal to Colorado

Our best British Airways deals on Portugal to Colorado flight tickets

British Airways

Oct 24

LIS7:10 amLisbon Humberto Delgado

16h 15m

1 stop

DEN4:25 pmDenver Intl

Nov 7

DEN5:01 pmDenver Intl

22h 29m

1 stop

LIS10:30 pmLisbon Humberto Delgado

$911

British Airways

Oct 31

LIS6:45 pmLisbon Humberto Delgado

27h 25m

1 stop

DEN4:10 pmDenver Intl

Nov 7

DEN5:01 pmDenver Intl

22h 29m

1 stop

LIS10:30 pmLisbon Humberto Delgado

$923

British Airways

Oct 24

LIS7:10 amLisbon Humberto Delgado

15h 45m

1 stop

DEN3:55 pmDenver Intl

Nov 7

DEN4:27 pmDenver Intl

18h 28m

2 stops

LIS5:55 pmLisbon Humberto Delgado

$925

Delta flights from Portugal to Colorado

Our best Delta deals on Portugal to Colorado flight tickets

Delta

Nov 20

LIS5:00 amLisbon Humberto Delgado

22h 25m

2 stops

DEN8:25 pmDenver Intl

Nov 25

DEN12:38 pmDenver Intl

19h 32m

2 stops

LIS3:10 pmLisbon Humberto Delgado

$899

Delta

Nov 5

LIS5:00 amLisbon Humberto Delgado

19h 32m

2 stops

DEN5:32 pmDenver Intl

Nov 18

DEN12:38 pmDenver Intl

19h 32m

2 stops

LIS3:10 pmLisbon Humberto Delgado

$900

Delta

Oct 10

LIS5:35 amLisbon Humberto Delgado

17h 05m

1 stop

DEN3:40 pmDenver Intl

Oct 16

DEN6:35 amDenver Intl

19h 15m

2 stops

LIS8:50 amLisbon Humberto Delgado

$901

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Wed 11/18

3:40 pm-12:50 pm

1 stop14h 10m

$661

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Wed 11/18

3:40 pm-12:50 pm

1 stop14h 10m

$735

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Wed 11/18

3:40 pm-12:50 pm

1 stop14h 10m

$736

LisbonColorado Springs

LIS Lisbon Humberto Delgado - COS Colorado Springs

LISCOS

Lisbon Humberto Delgado

Thu 1/21

8:20 am-1:38 pm

2 stops36h 18m

Colorado Springs

Mon 1/25

2:08 pm-6:50 pm

2 stops21h 42m

$885

LisbonColorado Springs

LIS Lisbon Humberto Delgado - COS Colorado Springs

LISCOS

Lisbon Humberto Delgado

Thu 1/21

8:20 am-9:03 pm

2 stops19h 43m

Colorado Springs

Mon 1/25

2:08 pm-6:50 pm

2 stops21h 42m

$886

LisbonColorado Springs

LIS Lisbon Humberto Delgado - COS Colorado Springs

LISCOS

Lisbon Humberto Delgado

Thu 1/21

8:20 am-9:03 pm

2 stops19h 43m

Colorado Springs

Mon 1/25

2:08 pm-6:50 pm

2 stops21h 42m

$889

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

5:30 am-8:27 pm

2 stops21h 57m

Denver Intl

Wed 11/18

11:25 am-5:30 pm

2 stops23h 05m

$891

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

6:30 pm-3:35 pm

2 stops28h 05m

Denver Intl

Wed 11/18

11:25 am-4:55 pm

3 stops22h 30m

$897

Quickest round-trip

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Wed 11/18

2:10 pm-10:20 am

1 stop13h 10m

$1,001

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 11/5

5:00 am-3:35 pm

1 stop17h 35m

Denver Intl

Wed 11/18

12:35 pm-10:20 am

1 stop14h 45m

$1,005

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 $888. The month of March is another great option to travel to Colorado, with average flight prices from Portugal averaging around $980.

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

Best Price Found	$466
Fastest flight time	17h 05m
Direct flights	None

The best one-way flight to Colorado from Portugal in the past 72 hours is $466. The best round-trip flight deal from Portugal to Colorado found on momondo in the last 72 hours is $661.

The fastest flight from Portugal to Colorado takes 17h 05m

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

Search flight deals

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 many operators does momondo search for flights from Portugal to Colorado?
As of September 2026, there is 1 operator 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
United Airlines	PriceFrom $933	Free Cancellation	Rating 7.4 10,214 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.