What is the cheapest airline that flies from Lisbon Humberto Delgado to Colorado?

British Airways is the most popular carrier operating from Lisbon Humberto Delgado to Colorado

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Colorado?

Prices for flights from Lisbon Humberto Delgado Airport to Colorado were last updated today.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Colorado?

As of August 2026, there is 1 operator available to choose from for flights from Lisbon Humberto Delgado Airport to Colorado.

How old do you have to be to fly from Lisbon Humberto Delgado Airport 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 Lisbon Humberto Delgado Airport to Colorado.

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

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$439 Cheap Flights from Lisbon to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lisbon to Colorado

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 6:00 pm

LIS

DEN

35h 00m

1 stop

3:40 pm - 12:50 pm

DEN

LIS

14h 10m

1 stop

$698Icelandair

Thu, Nov 19 - Mon, Nov 23

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$847Aer Lingus

Fri, Sep 4 - Fri, Sep 18

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$853Aer Lingus

Fri, Sep 4 - Fri, Sep 18

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$855Aer Lingus

Fri, Sep 4 - Fri, Sep 18

10:15 pm - 6:15 pm

LIS

DEN

27h 00m

1 stop

8:00 pm - 9:35 pm

DEN

LIS

18h 35m

1 stop

$867Aer Lingus

Sat, Sep 5 - Fri, Sep 18

8:25 am - 9:48 am

LIS

DEN

32h 23m

2 stops

3:40 pm - 12:50 pm

DEN

LIS

14h 10m

1 stop

$901Multiple Airlines

Tue, Oct 13 - Sat, Jan 9

8:25 am - 9:48 am

LIS

DEN

32h 23m

2 stops

3:40 pm - 12:50 pm

DEN

LIS

14h 10m

1 stop

$901Multiple Airlines

Tue, Oct 13 - Wed, Jan 13

10:20 pm - 12:40 pm

LIS

DEN

21h 20m

1 stop

4:40 pm - 1:50 pm

DEN

LIS

14h 10m

1 stop

$916Icelandair

Thu, Aug 27 - Mon, Sep 28

5:00 am - 4:30 pm

LIS

COS

18h 30m

2 stops

7:30 am - 8:10 am

COS

LIS

17h 40m

2 stops

$958United Airlines

Thu, Jan 14 - Sun, Jan 17

5:00 am - 4:30 pm

LIS

COS

18h 30m

2 stops

7:30 am - 8:10 am

COS

LIS

17h 40m

2 stops

$972United Airlines

Thu, Jan 14 - Sun, Jan 17

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

KLM flights from Lisbon to Colorado

Our best KLM deals on Lisbon to Colorado flight tickets

KLM

Oct 14

LIS5:00 amLisbon Humberto Delgado

17h 49m

2 stops

DEN3:49 pmDenver Intl

Jan 12

DEN6:30 amDenver Intl

18h 30m

1 stop

LIS8:00 amLisbon Humberto Delgado

$965

KLM

Oct 24

LIS8:55 amLisbon Humberto Delgado

18h 15m

2 stops

DEN8:10 pmDenver Intl

Nov 7

DEN11:02 amDenver Intl

16h 28m

2 stops

LIS10:30 amLisbon Humberto Delgado

$966

Delta flights from Lisbon to Colorado

Our best Delta deals on Lisbon to Colorado flight tickets

Delta

Sep 4

LIS5:00 amLisbon Humberto Delgado

21h 51m

2 stops

DEN7:51 pmDenver Intl

Sep 18

DEN6:35 amDenver Intl

19h 15m

2 stops

LIS8:50 amLisbon Humberto Delgado

$954

Delta

Oct 12

LIS5:00 amLisbon Humberto Delgado

17h 49m

2 stops

DEN3:49 pmDenver Intl

Jan 11

DEN6:30 amDenver Intl

18h 30m

1 stop

LIS8:00 amLisbon Humberto Delgado

$957

Delta

Sep 5

LIS5:00 amLisbon Humberto Delgado

19h 23m

2 stops

DEN5:23 pmDenver Intl

Sep 18

DEN6:35 amDenver Intl

19h 15m

2 stops

LIS8:50 amLisbon Humberto Delgado

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 11/19

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Mon 11/23

3:40 pm-12:50 pm

1 stop14h 10m

$698

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 9/4

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Fri 9/18

8:00 pm-9:35 pm

1 stop18h 35m

$847

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 9/4

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Fri 9/18

8:00 pm-9:35 pm

1 stop18h 35m

$853

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 9/4

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Fri 9/18

8:00 pm-9:35 pm

1 stop18h 35m

$855

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sat 9/5

10:15 pm-6:15 pm

1 stop27h 00m

Denver Intl

Fri 9/18

8:00 pm-9:35 pm

1 stop18h 35m

$867

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 10/13

8:25 am-9:48 am

2 stops32h 23m

Denver Intl

Sat 1/9

3:40 pm-12:50 pm

1 stop14h 10m

$901

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Tue 10/13

8:25 am-9:48 am

2 stops32h 23m

Denver Intl

Wed 1/13

3:40 pm-12:50 pm

1 stop14h 10m

$901

Quickest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 8/27

10:20 pm-12:40 pm

1 stop21h 20m

Denver Intl

Mon 9/28

4:40 pm-1:50 pm

1 stop14h 10m

$916

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Thu 1/14

5:00 am-4:30 pm

2 stops18h 30m

Colorado Springs

Sun 1/17

7:30 am-8:10 am

2 stops17h 40m

$958

LisbonColorado Springs

LIS - COS

LISCOS

Lisbon Humberto Delgado

Thu 1/14

5:00 am-4:30 pm

2 stops18h 30m

Colorado Springs

Sun 1/17

7:30 am-8:10 am

2 stops17h 40m

$972

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 Lisbon 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

What is the cheapest month to fly to Colorado?

The month of November is, on average, the cheapest month to fly to Colorado from Lisbon, with most prices found around $875. The month of February is another great option to travel to Colorado, with average flight prices from Lisbon averaging around $928.

Can stopping save me money on Lisbon to Colorado flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to Colorado flight.

Cheap Lisbon to Colorado flight deals and tips

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

Fastest flight time	18h 30m
Direct flights	None

The fastest flight from Lisbon to Colorado takes 18h 30m

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

Search flight deals

Frequently asked questions about flying from Lisbon to Colorado

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Colorado?
Prices for flights from Lisbon Humberto Delgado Airport to Colorado were last updated today.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Colorado?
As of August 2026, there is 1 operator available to choose from for flights from Lisbon Humberto Delgado Airport to Colorado.
How old do you have to be to fly from Lisbon Humberto Delgado Airport 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 Lisbon Humberto Delgado Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Lisbon to Colorado

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $920	Free Cancellation	Rating 7.4 10,062 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Colorado from Lisbon is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Colorado from Lisbon with this policy.

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

Once you have performed a search for Lisbon to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Colorado from Lisbon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.