How long does it take to fly to Lisbon?

Average flight duration from Colorado to Lisbon depends on which airport you fly into and out of. Flying from Denver to Lisbon is 12h 40m on average, while flying from Aspen to Lisbon is 22h 20m on average. Lisbon is the most popular airport in Lisbon.

What airlines fly to Lisbon?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Lisbon from Colorado according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 13 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Colorado to Lisbon Humberto Delgado Airport refresh daily.

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

The number of operators available for flights from Colorado to Lisbon Humberto Delgado Airport is 13 as of August 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The required travel and health documents for your Lisbon Humberto Delgado Airport 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 Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$264 Cheap Flights from Colorado to Lisbon in 2025

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Find the cheapest flights from Colorado to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

7:45 am - 10:00 pmDEN-LIS

31h 15m3 stops

9:35 pm - 4:33 pmLIS-DEN

25h 58m2 stops

$527

Find Deal

dom., sep. 7 - mar., sep. 16

7:55 pm - 9:35 pmDEN-LIS

18h 40m1 stop

10:15 pm - 5:59 pmLIS-DEN

26h 44m1 stop

$535Aer Lingus

Find Deal

lun., ago. 25 - mar., sep. 9

7:05 am - 10:05 pmDEN-LIS

32h 00m2 stops

7:00 am - 9:41 pmLIS-DEN

21h 41m2 stops

$577Scandinavian Airlines

Find Deal

sáb., oct. 18 - jue., oct. 23

4:05 pm - 10:15 amDEN-LIS

11h 10m1 stop

11:20 am - 2:06 pmLIS-DEN

33h 46m2 stops

$581United Airlines

Find Deal

mié., nov. 12 - mar., nov. 18

11:50 pm - 8:55 amDEN-LIS

26h 05m2 stops

10:55 am - 1:58 pmLIS-DEN

34h 03m2 stops

$582United Airlines

Find Deal

lun., dic. 1 - jue., dic. 11

11:15 am - 9:20 amDEN-LIS

15h 05m1 stop

5:00 am - 4:40 pmLIS-DEN

18h 40m2 stops

$590Air Canada

Find Deal

mar., nov. 4 - mar., nov. 11

1:25 pm - 9:20 amDEN-LIS

12h 55m1 stop

5:00 am - 4:40 pmLIS-DEN

18h 40m2 stops

$596Air Canada

Find Deal

dom., nov. 30 - vie., dic. 12

12:33 pm - 12:05 pmDEN-LIS

16h 32m2 stops

6:30 am - 8:13 pmLIS-DEN

20h 43m2 stops

$602British Airways

Find Deal

mar., nov. 4 - mar., nov. 25

6:25 am - 3:45 pmDEN-LIS

26h 20m2 stops

7:00 am - 9:41 pmLIS-DEN

21h 41m2 stops

$627Scandinavian Airlines

Find Deal

dom., oct. 19 - jue., oct. 23

5:25 pm - 2:50 pmDEN-LIS

14h 25m1 stop

11:05 am - 11:03 pmLIS-DEN

18h 58m1 stop

$637British Airways

Find Deal

dom., nov. 2 - vie., nov. 14

British Airways flights from Colorado to Lisbon

Our best British Airways deals on Colorado to Lisbon flight tickets

British Airways

Nov 4

DEN12:33 pmDenver Intl

16h 32m

2 stops

LIS12:05 pmLisbon Humberto Delgado

Nov 25

LIS6:30 amLisbon Humberto Delgado

20h 43m

2 stops

DEN8:13 pmDenver Intl

$602

Find similar

British Airways

Nov 2

DEN5:25 pmDenver Intl

14h 25m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Nov 14

LIS11:05 amLisbon Humberto Delgado

18h 58m

1 stop

DEN11:03 pmDenver Intl

$637

Find similar

British Airways

Sep 23

COS5:16 pmColorado Springs

33h 49m

2 stops

LIS10:05 amLisbon Humberto Delgado

Oct 1

LIS9:00 amLisbon Humberto Delgado

20h 08m

2 stops

COS10:08 pmColorado Springs

$754

Find similar

United Airlines flights from Colorado to Lisbon

Our best United Airlines deals on Colorado to Lisbon flight tickets

United Airlines

Nov 12

DEN4:05 pmDenver Intl

11h 10m

1 stop

LIS10:15 amLisbon Humberto Delgado

Nov 18

LIS11:20 amLisbon Humberto Delgado

33h 46m

2 stops

DEN2:06 pmDenver Intl

$581

Find similar

United Airlines

Dec 1

DEN11:50 pmDenver Intl

26h 05m

2 stops

LIS8:55 amLisbon Humberto Delgado

Dec 11

LIS10:55 amLisbon Humberto Delgado

34h 03m

2 stops

DEN1:58 pmDenver Intl

$582

Find similar

United Airlines

Nov 4

DEN11:15 amDenver Intl

15h 05m

1 stop

LIS9:20 amLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

18h 00m

1 stop

DEN4:00 pmDenver Intl

$583

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dom. 9/7

7:45 am-10:00 pm

3 stops31h 15m

Lisbon Humberto Delgado

mar. 9/16

9:35 pm-4:33 pm

2 stops25h 58m

$527

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

lun. 8/25

7:55 pm-9:35 pm

1 stop18h 40m

Lisbon Humberto Delgado

mar. 9/9

10:15 pm-5:59 pm

1 stop26h 44m

$535

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

sáb. 10/18

7:05 am-10:05 pm

2 stops32h 00m

Lisbon Humberto Delgado

jue. 10/23

7:00 am-9:41 pm

2 stops21h 41m

$577

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mié. 11/12

4:05 pm-10:15 am

1 stop11h 10m

Lisbon Humberto Delgado

mar. 11/18

11:20 am-2:06 pm

2 stops33h 46m

$581

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

lun. 12/1

11:50 pm-8:55 am

2 stops26h 05m

Lisbon Humberto Delgado

jue. 12/11

10:55 am-1:58 pm

2 stops34h 03m

$582

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 11/4

11:15 am-9:20 am

1 stop15h 05m

Lisbon Humberto Delgado

mar. 11/11

5:00 am-4:40 pm

2 stops18h 40m

$590

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dom. 11/30

1:25 pm-9:20 am

1 stop12h 55m

Lisbon Humberto Delgado

vie. 12/12

5:00 am-4:40 pm

2 stops18h 40m

$596

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

mar. 11/4

12:33 pm-12:05 pm

2 stops16h 32m

Lisbon Humberto Delgado

mar. 11/25

6:30 am-8:13 pm

2 stops20h 43m

$602

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dom. 10/19

6:25 am-3:45 pm

2 stops26h 20m

Lisbon Humberto Delgado

jue. 10/23

7:00 am-9:41 pm

2 stops21h 41m

$627

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

dom. 11/2

5:25 pm-2:50 pm

1 stop14h 25m

Lisbon Humberto Delgado

vie. 11/14

11:05 am-11:03 pm

1 stop18h 58m

$637

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How to get the cheapest flight ticket from Colorado to Lisbon

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 Lisbon?

In general, January is the cheapest month to fly from Colorado to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $740. If you are unable to visit Lisbon during the month of January, then departing from Colorado during the month February is also very affordable. Most momondo users find prices during this month for around $771.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Colorado to Lisbon for around $1,154.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $995. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,110 on average. Flights to Lisbon from Colorado at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $974 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Colorado for as low as $878 on momondo.

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 18% on your flight if you consider stops on a Colorado to Lisbon flight.

Cheap Colorado to Lisbon flight deals and tips

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

Best Price Found	$264
Fastest flight time	11h 10m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Colorado in the past 72 hours is $264. The best round-trip flight deal from Colorado to Lisbon found on momondo in the last 72 hours is $527.

The fastest flight from Colorado to Lisbon takes 11h 10m

There are no direct flights from Colorado to Lisbon. Popular non-direct route for this connection is Denver Intl Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

Search flight deals

When did momondo last update prices for flights from Colorado to Lisbon Humberto Delgado Airport?
Prices for flights from Colorado to Lisbon Humberto Delgado Airport refresh daily.
How many operators does momondo search for flights from Colorado to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Colorado to Lisbon Humberto Delgado Airport is 13 as of August 2025.
How old do you have to be to fly from Colorado to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The required travel and health documents for your Lisbon Humberto Delgado Airport 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 Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Colorado to Lisbon

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $458	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $539	Free Cancellation	Rating 7.4 657 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $548	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.6 7,245 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $555	Free Cancellation	Rating 7.3 3,932 reviews	Search Turkish Airlines flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,466 reviews	Search Air France flights
United Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
KLM	PriceFrom $599	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,296 reviews	Search Lufthansa flights
Air Canada	PriceFrom $635	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights

Sintra

Fátima

Nazaré

Ericeira

Setúbal

Oeiras

Almada

Peniche

Evora

Estoril

Sesimbra

Leiria

Figueira da Foz

Tomar

Óbidos

Batalha

Comporta

Torres Vedras

Costa da Caparica

Sines

Why use momondo?

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

Finding the right flight to Lisbon from Colorado 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 Lisbon quick and easy, saving you time and money.

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

Yes. All flights to Lisbon from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Colorado and Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Colorado to Lisbon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lisbon and let you know when they change.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Portugal

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Cheap flights from Colorado to Lisbon from $264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Lisbon departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Colorado to Lisbon

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British Airways flights from Colorado to Lisbon

Our best British Airways deals on Colorado to Lisbon flight tickets

United Airlines flights from Colorado to Lisbon

Our best United Airlines deals on Colorado to Lisbon flight tickets

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Use the filters below to find and compare flights from Colorado to Lisbon that are best for you.

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How to get the cheapest flight ticket from Colorado to Lisbon

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

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Colorado to Lisbon for around $1,154.

What is the cheapest time of day to depart on your flight to Lisbon?

How far in advance should I book a flight to Lisbon?

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 18% on your flight if you consider stops on a Colorado to Lisbon flight.

What airlines fly to Lisbon?

How long does it take to fly to Lisbon?

Average flight duration from Colorado to Lisbon depends on which airport you fly into and out of. Flying from Denver to Lisbon is 12h 40m on average, while flying from Aspen to Lisbon is 22h 20m on average. Lisbon is the most popular airport in Lisbon.

Cheap Colorado to Lisbon flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

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

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

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

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

Best airlines flying from Colorado to Lisbon

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

Traveling to a place near Lisbon?

Why use momondo?

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

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

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

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

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal