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

Iberia, British Airways, and American Airlines are the most popular carriers operating from Portugal to Colorado

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 40m on average. Another popular route from Portugal to Colorado is flying from Funchal to Denver, which will take roughly 24h 01m. Keep in mind that layovers or delays could extend your travel time.

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.

$383 Cheap Flights from Portugal to Colorado in 2026

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.

9:40 pm - 11:04 pm

LIS

DEN

32h 24m

2 stops

4:40 pm - 1:50 pm

DEN

LIS

14h 10m

1 stop

$897Multiple Airlines

Fri, Sep 25 - Mon, Oct 12

8:15 am - 11:20 am

LIS

DEN

34h 05m

2 stops

4:40 pm - 11:30 pm

DEN

LIS

23h 50m

3 stops

$901Multiple Airlines

Thu, Sep 10 - Thu, Sep 24

8:15 am - 11:20 am

LIS

DEN

34h 05m

3 stops

4:40 pm - 11:30 pm

DEN

LIS

23h 50m

3 stops

$906Multiple Airlines

Thu, Sep 10 - Thu, Sep 24

5:00 am - 8:49 pm

LIS

COS

22h 49m

2 stops

7:00 am - 8:10 am

COS

LIS

18h 10m

2 stops

$960United Airlines

Fri, Nov 6 - Tue, Nov 10

5:00 am - 8:49 pm

LIS

COS

22h 49m

2 stops

7:00 am - 8:10 am

COS

LIS

18h 10m

2 stops

$961United Airlines

Fri, Nov 6 - Tue, Nov 10

10:05 am - 5:40 pm

FNC

DEN

38h 35m

2 stops

12:15 pm - 9:15 am

DEN

FNC

38h 00m

2 stops

$1,001KLM

Thu, Sep 24 - Tue, Sep 29

4:05 am - 9:06 pm

FNC

DEN

24h 01m

2 stops

12:45 pm - 1:30 am

DEN

FNC

29h 45m

2 stops

$1,159TAP AIR PORTUGAL

Fri, Sep 25 - Wed, Sep 30

10:45 pm - 1:35 pm

FNC

DEN

21h 50m

2 stops

5:40 pm - 4:20 pm

DEN

FNC

15h 40m

1 stop

$1,185Lufthansa

Thu, Sep 24 - Tue, Sep 29

10:45 pm - 10:41 pm

FNC

DEN

54h 56m

2 stops

12:45 pm - 9:05 pm

DEN

FNC

49h 20m

2 stops

$1,196TAP AIR PORTUGAL

Wed, Sep 23 - Sat, Oct 3

10:45 pm - 1:35 pm

FNC

DEN

21h 50m

2 stops

5:40 pm - 4:50 pm

DEN

FNC

16h 10m

1 stop

$1,203Lufthansa

Thu, Sep 24 - Wed, Sep 30

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Iberia flights from Portugal to Colorado

Our best Iberia deals on Portugal to Colorado flight tickets

Iberia

Sep 4

LIS8:25 amLisbon Humberto Delgado

22h 34m

2 stops

DEN11:59 pmDenver Intl

Sep 19

DEN12:25 pmDenver Intl

16h 25m

2 stops

LIS11:50 amLisbon Humberto Delgado

$937

Iberia

Sep 4

LIS8:25 amLisbon Humberto Delgado

22h 34m

2 stops

DEN11:59 pmDenver Intl

Sep 19

DEN12:25 pmDenver Intl

16h 25m

2 stops

LIS11:50 amLisbon Humberto Delgado

$938

Iberia

Sep 5

LIS6:35 amLisbon Humberto Delgado

24h 24m

2 stops

DEN11:59 pmDenver Intl

Sep 19

DEN4:51 pmDenver Intl

16h 14m

2 stops

LIS4:05 pmLisbon Humberto Delgado

$941

United Airlines flights from Portugal to Colorado

Our best United Airlines deals on Portugal to Colorado flight tickets

United Airlines

Nov 6

LIS5:00 amLisbon Humberto Delgado

22h 49m

2 stops

COS8:49 pmColorado Springs

Nov 10

COS7:00 amColorado Springs

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

$960

United Airlines

Nov 6

LIS5:00 amLisbon Humberto Delgado

22h 49m

2 stops

COS8:49 pmColorado Springs

Nov 10

COS7:00 amColorado Springs

18h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

$961

United Airlines

Nov 6

LIS5:00 amLisbon Humberto Delgado

18h 24m

2 stops

COS4:24 pmColorado Springs

Nov 10

COS7:30 amColorado Springs

17h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

$964

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 9/25

9:40 pm-11:04 pm

2 stops32h 24m

Denver Intl

Mon 10/12

4:40 pm-1:50 pm

1 stop14h 10m

$897

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 9/10

8:15 am-11:20 am

2 stops34h 05m

Denver Intl

Thu 9/24

4:40 pm-11:30 pm

3 stops23h 50m

$901

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 9/10

8:15 am-11:20 am

3 stops34h 05m

Denver Intl

Thu 9/24

4:40 pm-11:30 pm

3 stops23h 50m

$906

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Fri 11/6

5:00 am-8:49 pm

2 stops22h 49m

Colorado Springs

Tue 11/10

7:00 am-8:10 am

2 stops18h 10m

$960

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Fri 11/6

5:00 am-8:49 pm

2 stops22h 49m

Colorado Springs

Tue 11/10

7:00 am-8:10 am

2 stops18h 10m

$961

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Thu 9/24

10:05 am-5:40 pm

2 stops38h 35m

Denver Intl

Tue 9/29

12:15 pm-9:15 am

2 stops38h 00m

$1,001

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Fri 9/25

4:05 am-9:06 pm

2 stops24h 01m

Denver Intl

Wed 9/30

12:45 pm-1:30 am

2 stops29h 45m

$1,159

Quickest round-trip

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Thu 9/24

10:45 pm-1:35 pm

2 stops21h 50m

Denver Intl

Tue 9/29

5:40 pm-4:20 pm

1 stop15h 40m

$1,185

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Wed 9/23

10:45 pm-10:41 pm

2 stops54h 56m

Denver Intl

Sat 10/3

12:45 pm-9:05 pm

2 stops49h 20m

$1,196

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Thu 9/24

10:45 pm-1:35 pm

2 stops21h 50m

Denver Intl

Wed 9/30

5:40 pm-4:50 pm

1 stop16h 10m

$1,203

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 May is, on average, the cheapest month to fly to Colorado from Portugal, with most prices found around $737. The month of February is another great option to travel to Colorado, with average flight prices from Portugal averaging around $749.

Can stopping save me money on Portugal to Colorado flights?

You could potentially save up to 11% 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 40m
Direct flights	None

The fastest flight from Portugal to Colorado takes 15h 40m

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 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.