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

United Airlines, British Airways, and Lufthansa are the most popular carriers operating from Colorado to Lisbon Humberto Delgado

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 25m on average, while flying from Colorado Springs to Lisbon is 14h 37m 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 November 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.

$291 Cheap Flights from Colorado to Lisbon in 2025/26

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3:17 pm - 2:55 pmCOS-LIS

16h 38m2 stops

11:05 am - 9:51 amLIS-COS

29h 46m2 stops

$507American Airlines

Find Deal

Mon, Jan 12 - Tue, Jan 20

5:50 am - 8:10 amCOS-LIS

19h 20m2 stops

11:20 am - 11:02 amLIS-COS

30h 42m2 stops

$545United Airlines

Find Deal

Mon, Jan 12 - Tue, Jan 20

5:25 pm - 11:30 pmDEN-LIS

23h 05m2 stops

5:00 am - 11:15 pmLIS-DEN

25h 15m2 stops

$568Lufthansa

Find Deal

Mon, Nov 17 - Wed, Nov 26

6:48 am - 8:00 amDEN-LIS

18h 12m2 stops

5:30 am - 6:47 pmLIS-DEN

20h 17m2 stops

$569Delta

Find Deal

Tue, Nov 11 - Thu, Nov 20

1:25 pm - 9:00 pmDEN-LIS

24h 35m2 stops

8:55 pm - 4:40 pmLIS-DEN

26h 45m2 stops

$570Multiple Airlines

Find Deal

Sun, Nov 23 - Tue, Dec 2

11:15 am - 10:50 pmDEN-LIS

28h 35m2 stops

5:00 am - 4:00 pmLIS-DEN

18h 00m1 stop

$571Lufthansa

Find Deal

Sun, Nov 16 - Thu, Nov 27

5:30 pm - 9:20 amDEN-LIS

32h 50m2 stops

11:20 am - 6:07 pmLIS-DEN

37h 47m2 stops

$574Air Canada

Find Deal

Mon, Dec 29 - Tue, Jan 13

11:43 am - 9:20 amCOS-LIS

14h 37m2 stops

11:20 am - 10:57 amLIS-COS

30h 37m3 stops

$574Multiple Airlines

Find Deal

Mon, Jan 12 - Tue, Jan 20

6:30 am - 8:00 amDEN-LIS

18h 30m1 stop

10:00 am - 6:46 pmLIS-DEN

15h 46m1 stop

$575Delta

Find Deal

Wed, Feb 18 - Wed, Mar 4

5:30 pm - 9:20 amDEN-LIS

32h 50m1 stop

10:50 am - 7:55 pmLIS-DEN

40h 05m2 stops

$594Air Canada

Find Deal

Sat, Nov 29 - Sun, Dec 14

United Airlines flights from Colorado to Lisbon

Our best United Airlines deals on Colorado to Lisbon flight tickets

United Airlines

Jan 12

COS5:50 amColorado Springs

19h 20m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 20

LIS11:20 amLisbon Humberto Delgado

30h 42m

2 stops

COS11:02 amColorado Springs

$545

Find similar

United Airlines

Nov 12

ASE1:35 pmAspen Pitkin County

16h 45m

2 stops

LIS1:20 pmLisbon Humberto Delgado

Nov 17

LIS5:00 amLisbon Humberto Delgado

36h 36m

2 stops

ASE10:36 amAspen Pitkin County

$554

Find similar

United Airlines

Nov 10

DEN12:45 pmDenver Intl

12h 25m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 21

LIS11:55 amLisbon Humberto Delgado

18h 20m

2 stops

DEN11:15 pmDenver Intl

$573

Find similar

Lufthansa flights from Colorado to Lisbon

Our best Lufthansa deals on Colorado to Lisbon flight tickets

Lufthansa

Nov 17

DEN5:25 pmDenver Intl

23h 05m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Nov 26

LIS5:00 amLisbon Humberto Delgado

25h 15m

2 stops

DEN11:15 pmDenver Intl

$568

Find similar

Lufthansa

Nov 16

DEN11:15 amDenver Intl

28h 35m

2 stops

LIS10:50 pmLisbon Humberto Delgado

Nov 27

LIS5:00 amLisbon Humberto Delgado

18h 00m

1 stop

DEN4:00 pmDenver Intl

$571

Find similar

Lufthansa

Nov 17

DEN4:20 pmDenver Intl

24h 10m

1 stop

LIS11:30 pmLisbon Humberto Delgado

Nov 24

LIS12:25 pmLisbon Humberto Delgado

34h 35m

1 stop

DEN4:00 pmDenver Intl

$572

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Mon 1/12

3:17 pm-2:55 pm

2 stops16h 38m

Lisbon Humberto Delgado

Tue 1/20

11:05 am-9:51 am

2 stops29h 46m

$507

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Mon 1/12

5:50 am-8:10 am

2 stops19h 20m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-11:02 am

2 stops30h 42m

$545

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 11/17

5:25 pm-11:30 pm

2 stops23h 05m

Lisbon Humberto Delgado

Wed 11/26

5:00 am-11:15 pm

2 stops25h 15m

$568

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 11/11

6:48 am-8:00 am

2 stops18h 12m

Lisbon Humberto Delgado

Thu 11/20

5:30 am-6:47 pm

2 stops20h 17m

$569

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/23

1:25 pm-9:00 pm

2 stops24h 35m

Lisbon Humberto Delgado

Tue 12/2

8:55 pm-4:40 pm

2 stops26h 45m

$570

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

11:15 am-10:50 pm

2 stops28h 35m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-4:00 pm

1 stop18h 00m

$571

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 12/29

5:30 pm-9:20 am

2 stops32h 50m

Lisbon Humberto Delgado

Tue 1/13

11:20 am-6:07 pm

2 stops37h 47m

$574

Colorado SpringsLisbon

COS - LIS

COSLIS

Colorado Springs

Mon 1/12

11:43 am-9:20 am

2 stops14h 37m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-10:57 am

3 stops30h 37m

$574

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 2/18

6:30 am-8:00 am

1 stop18h 30m

Lisbon Humberto Delgado

Wed 3/4

10:00 am-6:46 pm

1 stop15h 46m

$575

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 11/29

5:30 pm-9:20 am

1 stop32h 50m

Lisbon Humberto Delgado

Sun 12/14

10:50 am-7:55 pm

2 stops40h 05m

$594

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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 November is also very affordable. Most momondo users find prices during this month for around $767.

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 $953 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 4% 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

Direct flights	None

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 November 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 7.1 563 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $539	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic flights
Turkish Airlines	PriceFrom $555	Free Cancellation	Rating 7.3 4,037 reviews	Search Turkish Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 7,996 reviews	Search Delta flights
Lufthansa	PriceFrom $567	Free Cancellation	Rating 6.8 7,542 reviews	Search Lufthansa flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
British Airways	PriceFrom $590	Free Cancellation	Rating 6.7 7,489 reviews	Search British Airways flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights
United Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 8,991 reviews	Search United Airlines flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 10,386 reviews	Search Air Canada flights

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Oeiras

Setúbal

Peniche

Estoril

Leiria

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Tomar

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Batalha

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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.

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Cheap flights from Colorado to Lisbon from $291

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 11/10. 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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United Airlines flights from Colorado to Lisbon

Our best United Airlines deals on Colorado to Lisbon flight tickets

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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 4% 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?

United Airlines, British Airways, and Lufthansa are the most popular carriers 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 12h 25m on average, while flying from Colorado Springs to Lisbon is 14h 37m 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

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