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 13h 49m on average, while flying from Aspen to Lisbon is 17h 27m 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.

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

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

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 December 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.

$249 Cheap Flights from Colorado to Lisbon in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Colorado to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 am - 9:20 am

COS

LIS

20h 30m2 stops

5:00 am - 10:06 pm

LIS

COS

24h 06m2 stops

$497United Airlines

Thu, Jan 29 - Thu, Feb 5

7:00 am - 8:10 am

COS

LIS

18h 10m2 stops

5:00 am - 8:05 pm

LIS

COS

22h 05m2 stops

$499United Airlines

Fri, Jan 23 - Tue, Jan 27

9:59 am - 8:10 am

DEN

LIS

15h 11m1 stop

5:00 am - 7:40 pm

LIS

DEN

21h 40m2 stops

$501Multiple Airlines

Tue, Jan 13 - Wed, Feb 18

7:35 am - 1:20 pm

ASE

LIS

22h 45m2 stops

5:00 am - 7:52 pm

LIS

ASE

21h 52m2 stops

$502United Airlines

Sat, Jan 31 - Sat, Feb 7

9:59 am - 8:10 am

DEN

LIS

15h 11m1 stop

5:00 am - 4:00 pm

LIS

DEN

18h 00m1 stop

$511Multiple Airlines

Tue, Jan 13 - Wed, Feb 18

5:45 pm - 3:05 pm

DEN

LIS

14h 20m1 stop

5:00 am - 7:26 pm

LIS

DEN

21h 26m2 stops

$512Lufthansa

Sun, Jan 11 - Tue, Jan 27

5:45 pm - 3:05 pm

DEN

LIS

14h 20m1 stop

5:00 am - 1:40 pm

LIS

DEN

15h 40m1 stop

$522Lufthansa

Sun, Jan 11 - Tue, Jan 27

5:20 pm - 3:15 pm

DEN

LIS

15h 55m1 stop

5:05 am - 3:40 pm

LIS

DEN

17h 35m1 stop

$527Lufthansa

Mon, Mar 16 - Wed, Apr 1

5:45 pm - 3:40 pm

DEN

LIS

14h 55m1 stop

6:10 am - 2:35 pm

LIS

DEN

15h 25m1 stop

$540Lufthansa

Sun, Jan 11 - Tue, Jan 27

10:30 am - 11:05 am

COS

LIS

17h 35m3 stops

11:25 am - 8:47 am

LIS

COS

28h 22m3 stops

$1,889Air Canada

Wed, Apr 8 - Mon, Apr 27

Lufthansa flights from Colorado to Lisbon

Our best Lufthansa deals on Colorado to Lisbon flight tickets

Lufthansa

Jan 11

DEN5:45 pmDenver Intl

14h 20m

1 stop

LIS3:05 pmLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

21h 26m

2 stops

DEN7:26 pmDenver Intl

$512

Find similar

Lufthansa

Jan 11

DEN5:45 pmDenver Intl

14h 20m

1 stop

LIS3:05 pmLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

15h 40m

1 stop

DEN1:40 pmDenver Intl

$522

Find similar

Lufthansa

Mar 16

DEN5:20 pmDenver Intl

15h 55m

1 stop

LIS3:15 pmLisbon Humberto Delgado

Apr 1

LIS5:05 amLisbon Humberto Delgado

17h 35m

1 stop

DEN3:40 pmDenver Intl

$527

Find similar

Delta flights from Colorado to Lisbon

Our best Delta deals on Colorado to Lisbon flight tickets

Delta

Jan 11

DEN6:00 amDenver Intl

19h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

24h 46m

2 stops

DEN10:46 pmDenver Intl

$558

Find similar

Delta

Jan 14

DEN11:38 amDenver Intl

20h 32m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Jan 20

LIS5:00 amLisbon Humberto Delgado

24h 50m

2 stops

DEN10:50 pmDenver Intl

$570

Find similar

Delta

Jan 19

DEN7:10 amDenver Intl

17h 50m

1 stop

LIS8:00 amLisbon Humberto Delgado

Jan 28

LIS5:30 amLisbon Humberto Delgado

24h 16m

2 stops

DEN10:46 pmDenver Intl

$571

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Thu 1/29

5:50 am-9:20 am

2 stops20h 30m

Lisbon Humberto Delgado

Thu 2/5

5:00 am-10:06 pm

2 stops24h 06m

$497

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Fri 1/23

7:00 am-8:10 am

2 stops18h 10m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-8:05 pm

2 stops22h 05m

$499

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 1/13

9:59 am-8:10 am

1 stop15h 11m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-7:40 pm

2 stops21h 40m

$501

AspenLisbon

ASE - LIS

ASELIS

Aspen Pitkin County

Sat 1/31

7:35 am-1:20 pm

2 stops22h 45m

Lisbon Humberto Delgado

Sat 2/7

5:00 am-7:52 pm

2 stops21h 52m

$502

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 1/13

9:59 am-8:10 am

1 stop15h 11m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-4:00 pm

1 stop18h 00m

$511

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

5:45 pm-3:05 pm

1 stop14h 20m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-7:26 pm

2 stops21h 26m

$512

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

5:45 pm-3:05 pm

1 stop14h 20m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-1:40 pm

1 stop15h 40m

$522

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 3/16

5:20 pm-3:15 pm

1 stop15h 55m

Lisbon Humberto Delgado

Wed 4/1

5:05 am-3:40 pm

1 stop17h 35m

$527

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 1/11

5:45 pm-3:40 pm

1 stop14h 55m

Lisbon Humberto Delgado

Tue 1/27

6:10 am-2:35 pm

1 stop15h 25m

$540

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Wed 4/8

10:30 am-11:05 am

3 stops17h 35m

Lisbon Humberto Delgado

Mon 4/27

11:25 am-8:47 am

3 stops28h 22m

$1,889

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 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, November 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 $662. If you are unable to visit Lisbon during the month of November, then departing from Colorado during the month February is also very affordable. Most momondo users find prices during this month for around $707.

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 $936 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 $824 on momondo.

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 34% 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

Fastest flight time	13h 49m
Direct flights	None

The fastest flight from Colorado to Lisbon takes 13h 49m

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

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 December 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 7.0 591 reviews	Search Icelandair flights
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $539	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $551	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Lufthansa	PriceFrom $565	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,507 reviews	Search Air France flights
KLM	PriceFrom $575	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Turkish Airlines	PriceFrom $586	Free Cancellation	Rating 7.3 4,105 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Figueira da Foz

Zambujeira do Mar

Batalha

Comporta

Torres Vedras

Sines

Óbidos

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 1/17

Sat 1/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Cheap flights from Colorado to Lisbon from $249

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Colorado to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Lufthansa flights from Colorado to Lisbon

Our best Lufthansa deals on Colorado to Lisbon flight tickets

Delta flights from Colorado to Lisbon

Our best Delta deals on Colorado to Lisbon flight tickets

momondo Fare Finder

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

See travel insights to Lisbon from

How to get the cheapest flight ticket from Colorado to Lisbon

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 34% on your flight if you consider stops on a Colorado to Lisbon flight.

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

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

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 13h 49m on average, while flying from Aspen to Lisbon is 17h 27m 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

Fastest flight time

Direct flights

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