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

WestJet, British Airways, and Iberia 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 19h 31m on average. Another popular route from Portugal to Colorado is flying from Funchal to Denver, which will take roughly 30h 16m. 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.

$443 Cheap Flights from Portugal to Colorado in 2026

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Find the cheapest flights from Portugal to Colorado

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portugal to Colorado

Enter your travel dates to find the best prices.

11:35 am - 10:33 am

LIS

DEN

29h 58m

2 stops

4:40 pm - 9:05 pm

DEN

LIS

21h 25m

2 stops

$955Multiple Airlines

Thu, Jul 30 - Sun, Sep 13

5:00 am - 4:35 pm

LIS

DEN

17h 35m

1 stop

4:15 pm - 1:20 pm

DEN

LIS

14h 05m

1 stop

$963Lufthansa

Fri, Oct 30 - Sat, Nov 7

5:00 am - 8:00 pm

LIS

DEN

22h 00m

2 stops

12:20 pm - 3:10 pm

DEN

LIS

19h 50m

2 stops

$966Delta

Thu, Oct 22 - Thu, Nov 12

5:00 am - 6:18 pm

LIS

DEN

20h 18m

2 stops

10:30 am - 11:20 am

DEN

LIS

17h 50m

2 stops

$967Delta

Fri, Nov 20 - Tue, Nov 24

5:35 am - 3:40 pm

LIS

DEN

17h 05m

1 stop

3:15 pm - 2:55 pm

DEN

LIS

16h 40m

2 stops

$968Delta

Wed, Sep 9 - Wed, Sep 16

6:10 am - 10:35 am

LIS

DEN

35h 25m

3 stops

6:10 pm - 11:05 am

DEN

LIS

33h 55m

1 stop

$969Multiple Airlines

Thu, Jul 2 - Tue, Jul 21

5:00 am - 9:58 pm

LIS

COS

23h 58m

2 stops

10:30 am - 8:10 am

COS

LIS

14h 40m

2 stops

$974United Airlines

Wed, Nov 11 - Sun, Nov 15

5:00 am - 9:40 pm

LIS

COS

23h 40m

2 stops

9:20 am - 8:10 am

COS

LIS

15h 50m

2 stops

$975United Airlines

Wed, Nov 11 - Sun, Nov 15

10:00 am - 10:43 pm

LIS

DEN

19h 43m

1 stop

11:59 pm - 8:00 am

DEN

LIS

25h 01m

1 stop

$985KLM

Fri, Nov 20 - Tue, Nov 24

9:55 pm - 9:11 pm

FNC

DEN

30h 16m

2 stops

7:40 am - 2:15 pm

DEN

FNC

23h 35m

2 stops

$1,577TAP AIR PORTUGAL

Tue, Sep 8 - Sat, Sep 12

British Airways flights from Portugal to Colorado

Our best British Airways deals on Portugal to Colorado flight tickets

British Airways

Jun 6

LIS7:10 amLisbon Humberto Delgado

21h 01m

2 stops

DEN9:11 pmDenver Intl

Jun 22

DEN6:35 pmDenver Intl

14h 10m

1 stop

LIS3:45 pmLisbon Humberto Delgado

$1,055

British Airways

Jun 5

LIS11:05 amLisbon Humberto Delgado

19h 50m

2 stops

DEN11:55 pmDenver Intl

Jun 20

DEN6:35 pmDenver Intl

16h 30m

1 stop

LIS6:05 pmLisbon Humberto Delgado

$1,056

British Airways

Jul 9

LIS11:05 amLisbon Humberto Delgado

15h 40m

1 stop

DEN7:45 pmDenver Intl

Jul 21

DEN6:35 pmDenver Intl

16h 20m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$1,178

United Airlines flights from Portugal to Colorado

Our best United Airlines deals on Portugal to Colorado flight tickets

United Airlines

Nov 11

LIS5:00 amLisbon Humberto Delgado

23h 58m

2 stops

COS9:58 pmColorado Springs

Nov 15

COS10:30 amColorado Springs

14h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

$974

United Airlines

Nov 11

LIS5:00 amLisbon Humberto Delgado

23h 40m

2 stops

COS9:40 pmColorado Springs

Nov 15

COS9:20 amColorado Springs

15h 50m

2 stops

LIS8:10 amLisbon Humberto Delgado

$975

United Airlines

Oct 22

LIS7:25 amLisbon Humberto Delgado

15h 15m

1 stop

DEN3:40 pmDenver Intl

Nov 12

DEN11:15 amDenver Intl

15h 35m

1 stop

LIS9:50 amLisbon Humberto Delgado

$994

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 7/30

11:35 am-10:33 am

2 stops29h 58m

Denver Intl

Sun 9/13

4:40 pm-9:05 pm

2 stops21h 25m

$955

Quickest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 10/30

5:00 am-4:35 pm

1 stop17h 35m

Denver Intl

Sat 11/7

4:15 pm-1:20 pm

1 stop14h 05m

$963

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 10/22

5:00 am-8:00 pm

2 stops22h 00m

Denver Intl

Thu 11/12

12:20 pm-3:10 pm

2 stops19h 50m

$966

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 11/20

5:00 am-6:18 pm

2 stops20h 18m

Denver Intl

Tue 11/24

10:30 am-11:20 am

2 stops17h 50m

$967

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 9/9

5:35 am-3:40 pm

1 stop17h 05m

Denver Intl

Wed 9/16

3:15 pm-2:55 pm

2 stops16h 40m

$968

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 7/2

6:10 am-10:35 am

3 stops35h 25m

Denver Intl

Tue 7/21

6:10 pm-11:05 am

1 stop33h 55m

$969

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Wed 11/11

5:00 am-9:58 pm

2 stops23h 58m

Colorado Springs

Sun 11/15

10:30 am-8:10 am

2 stops14h 40m

$974

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Wed 11/11

5:00 am-9:40 pm

2 stops23h 40m

Colorado Springs

Sun 11/15

9:20 am-8:10 am

2 stops15h 50m

$975

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 11/20

10:00 am-10:43 pm

1 stop19h 43m

Denver Intl

Tue 11/24

11:59 pm-8:00 am

1 stop25h 01m

$985

FunchalDenver

FNC - DEN

FNCDEN

Funchal Madeira

Tue 9/8

9:55 pm-9:11 pm

2 stops30h 16m

Denver Intl

Sat 9/12

7:40 am-2:15 pm

2 stops23h 35m

$1,577

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 13% 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	19h 31m
Direct flights	None

The fastest flight from Portugal to Colorado takes 19h 31m

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.