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

Finnair, United Airlines, and Delta are the most popular carriers 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 October 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.

$374 Cheap Flights from Lisbon to Colorado in 2026/27

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.

11:35 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 25m1 stop Reykjavik Keflavik Intl

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

14h 10m1 stop Reykjavik Keflavik Intl

$648Icelandair

Tue, Jan 12 - Sat, Jan 23

11:35 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 25m1 stop Reykjavik Keflavik Intl

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

14h 10m1 stop Reykjavik Keflavik Intl

$676Icelandair

Tue, Jan 19 - Sat, Jan 30

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

$678Icelandair

Thu, Jan 21 - Sat, Jan 30

1:55 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 05m1 stop Reykjavik Keflavik Intl

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

14h 10m1 stop Reykjavik Keflavik Intl

$779Icelandair

Tue, Dec 1 - Sat, Dec 12

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

$783Icelandair

Sun, Dec 6 - Sat, Dec 12

10:15 am - 8:28 amLIS Lisbon Humberto Delgado-DEN Denver Intl

29h 13m1 stop Miami

3:40 pm - 4:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$867Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

5:15 pm - 8:28 amLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 13m1 stop Miami

3:40 pm - 4:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

$867Multiple Airlines

Fri, Jan 22 - Wed, Jan 27

4:30 pm - 8:13 amLIS Lisbon Humberto Delgado-DEN Denver Intl

46h 43m2 stops London Gatwick Orlando

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

14h 10m1 stop Reykjavik Keflavik Intl

$867Multiple Airlines

Tue, Nov 17 - Mon, Nov 30

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

15h 40m1 stop Frankfurt am Main

9:35 am - 8:10 amDEN Denver Intl-LIS Lisbon Humberto Delgado

15h 35m2 stops Chicago O'Hare Intl Newark

$1,007United Airlines

Thu, Jan 21 - Mon, Jan 25

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

15h 40m1 stop Frankfurt am Main

1:30 pm - 8:10 amDEN Denver Intl-LIS Lisbon Humberto Delgado

11h 40m1 stop Newark

$1,007United Airlines

Thu, Jan 21 - Mon, Jan 25

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Icelandair flights from Lisbon to Colorado

Our best Icelandair deals on Lisbon to Colorado flight tickets

Icelandair

Jan 12

LIS11:35 amLisbon Humberto Delgado

13h 25m

1 stop

DEN6:00 pmDenver Intl

Jan 23

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$648

Icelandair

Jan 19

LIS11:35 amLisbon Humberto Delgado

13h 25m

1 stop

DEN6:00 pmDenver Intl

Jan 30

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$676

Icelandair

Jan 21

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

DEN6:00 pmDenver Intl

Jan 30

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$678

Aer Lingus flights from Lisbon to Colorado

Our best Aer Lingus deals on Lisbon to Colorado flight tickets

Aer Lingus

Nov 23

LIS10:50 amLisbon Humberto Delgado

19h 14m

2 stops

DEN11:04 pmDenver Intl

Dec 3

DEN5:05 pmDenver Intl

34h 05m

2 stops

LIS10:10 amLisbon Humberto Delgado

$965

Aer Lingus

Nov 23

LIS10:50 amLisbon Humberto Delgado

19h 14m

2 stops

DEN11:04 pmDenver Intl

Dec 3

DEN5:05 pmDenver Intl

34h 05m

2 stops

LIS10:10 amLisbon Humberto Delgado

$969

Aer Lingus

Nov 23

LIS10:50 amLisbon Humberto Delgado

19h 14m

2 stops

DEN11:04 pmDenver Intl

Dec 3

DEN5:05 pmDenver Intl

34h 05m

2 stops

LIS10:10 amLisbon Humberto Delgado

$970

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Tue 1/12

11:35 am-6:00 pm

1 stop13h 25m

Denver Intl

Sat 1/23

3:40 pm-12:50 pm

1 stop14h 10m

$648

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Tue 1/19

11:35 am-6:00 pm

1 stop13h 25m

Denver Intl

Sat 1/30

3:40 pm-12:50 pm

1 stop14h 10m

$676

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 1/21

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Sat 1/30

3:40 pm-12:50 pm

1 stop14h 10m

$678

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Tue 12/1

1:55 pm-6:00 pm

1 stop35h 05m

Denver Intl

Sat 12/12

3:40 pm-12:50 pm

1 stop14h 10m

$779

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Sun 12/6

2:00 pm-6:00 pm

1 stop35h 00m

Denver Intl

Sat 12/12

3:40 pm-12:50 pm

1 stop14h 10m

$783

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Wed 1/20

10:15 am-8:28 am

1 stop29h 13m

Denver Intl

Wed 1/27

3:40 pm-4:05 pm

2 stops17h 25m

$867

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Fri 1/22

5:15 pm-8:28 am

1 stop22h 13m

Denver Intl

Wed 1/27

3:40 pm-4:05 pm

2 stops17h 25m

$867

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Tue 11/17

4:30 pm-8:13 am

2 stops46h 43m

Denver Intl

Mon 11/30

3:40 pm-12:50 pm

1 stop14h 10m

$867

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 1/21

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Mon 1/25

9:35 am-8:10 am

2 stops15h 35m

$1,007

Quickest round-trip

LisbonDenver

LIS Lisbon Humberto Delgado - DEN Denver Intl

LISDEN

Lisbon Humberto Delgado

Thu 1/21

5:00 am-1:40 pm

1 stop15h 40m

Denver Intl

Mon 1/25

1:30 pm-8:10 am

1 stop11h 40m

$1,007

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 February is, on average, the cheapest month to fly to Colorado from Lisbon, with most prices found around $928. The month of March is another great option to travel to Colorado, with average flight prices from Lisbon averaging around $980.

Can stopping save me money on Lisbon to Colorado flights?

You could potentially save up to 26% 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

Best Price Found	$374
Fastest flight time	13h 25m
Direct flights	None

The best one-way flight to Colorado from Lisbon in the past 72 hours is $374. The best round-trip flight deal from Lisbon to Colorado found on momondo in the last 72 hours is $648.

The fastest flight from Lisbon to Colorado takes 13h 25m

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 October 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 $933	Free Cancellation	Rating 7.3 10,451 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.