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 56% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 11 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?

Lufthansa, British Airways, and United Airlines 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 Colorado Springs to Lisbon is 13h 30m on average, while flying from Denver to Lisbon is 14h 10m on average. Lisbon is the most popular airport in Lisbon.

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 11 as of August 2026.

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.

$273 Cheap Flights from Colorado to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Lisbon

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

14h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

$682Icelandair

Sat, Nov 7 - Sun, Nov 15

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

14h 10m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m1 stop Reykjavik Keflavik Intl

$683Icelandair

Wed, Dec 9 - Sun, Dec 13

11:20 am - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 20m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$701Multiple Airlines

Mon, Nov 2 - Wed, Nov 25

5:40 pm - 8:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

32h 15m1 stop Toronto Pearson Intl

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$701Multiple Airlines

Tue, Nov 17 - Thu, Dec 3

4:15 pm - 11:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

24h 15m1 stop Munich Franz Josef Strauss

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$705Lufthansa

Sun, Nov 8 - Tue, Nov 17

5:15 pm - 1:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Munich Franz Josef Strauss

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$705Lufthansa

Tue, Oct 27 - Fri, Nov 6

7:20 pm - 8:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

30h 35m2 stops Edmonton Toronto Pearson Intl

11:20 am - 6:03 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

37h 43m2 stops Toronto Pearson Intl Edmonton

$712Air Canada

Tue, Nov 3 - Tue, Nov 17

5:01 pm - 9:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 49m1 stop London Heathrow

11:05 am - 9:11 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 06m1 stop Philadelphia

$717British Airways

Wed, Jan 6 - Wed, Jan 20

5:01 pm - 2:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 49m1 stop London Heathrow

11:05 am - 9:33 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 28m1 stop Philadelphia

$717British Airways

Wed, Jan 20 - Wed, Feb 17

9:40 am - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 40m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:13 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 13m2 stops Frankfurt am Main Vancouver Intl

$723Air Canada

Wed, Oct 14 - Wed, Nov 4

Cheap last minute flights

Enter your travel dates to find the best prices.

6:40 pm - 11:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 25m1 stop London Heathrow

12:30 pm - 11:53 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 23m2 stops Madrid Barajas Dallas/Fort Worth

$1,091Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

6:40 pm - 11:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 25m1 stop London Heathrow

8:25 am - 10:16 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 51m2 stops Madrid Barajas Dallas/Fort Worth

$1,091Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

6:40 pm - 6:10 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 30m1 stop London Heathrow

11:05 am - 10:43 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 38m1 stop Philadelphia

$1,098British Airways

Thu, Aug 13 - Thu, Aug 20

6:40 pm - 11:10 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 30m1 stop London Heathrow

11:05 am - 10:43 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 38m1 stop Philadelphia

$1,098British Airways

Fri, Aug 14 - Fri, Aug 21

9:39 am - 11:15 amDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 36m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 8:01 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 01m2 stops Amsterdam Schiphol Salt Lake City

$1,099Delta

Thu, Aug 13 - Thu, Aug 20

12:05 pm - 2:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 50m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 6:18 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 18m2 stops Amsterdam Schiphol Los Angeles Los Angeles

$1,099Delta

Thu, Aug 13 - Thu, Aug 20

9:16 am - 9:05 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 49m2 stops Dallas/Fort Worth Philadelphia

8:25 am - 7:38 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 13m2 stops Madrid Barajas Dallas/Fort Worth

$1,103American Airlines

Fri, Aug 14 - Fri, Aug 21

12:23 pm - 9:05 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 42m2 stops Chicago O'Hare Intl Philadelphia

11:05 am - 10:43 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 38m1 stop Philadelphia

$1,110American Airlines

Fri, Aug 14 - Fri, Aug 28

11:05 am - 10:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 50m2 stops Minneapolis St Paul Amsterdam Schiphol

11:55 am - 10:55 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 00m2 stops Amsterdam Schiphol Salt Lake City

$1,484KLM

Wed, Aug 12 - Fri, Aug 14

8:10 pm - 9:20 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 10m1 stop Reykjavik Keflavik Intl

8:40 am - 12:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 00m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl

$5,368Icelandair

Wed, Aug 12 - Fri, Aug 14

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Delta flights from Colorado to Lisbon

Our best Delta deals on Colorado to Lisbon flight tickets

Delta

Nov 1

DEN6:00 amDenver Intl

22h 20m

2 stops

LIS11:20 amLisbon Humberto Delgado

Nov 24

LIS5:00 amLisbon Humberto Delgado

21h 59m

2 stops

DEN7:59 pmDenver Intl

$740

Delta

Aug 18

DEN11:33 amDenver Intl

16h 12m

1 stop

LIS10:45 amLisbon Humberto Delgado

Aug 26

LIS5:00 amLisbon Humberto Delgado

21h 52m

2 stops

DEN7:52 pmDenver Intl

$1,035

Delta

Aug 18

DEN11:05 amDenver Intl

17h 10m

2 stops

LIS11:15 amLisbon Humberto Delgado

Aug 26

LIS11:55 amLisbon Humberto Delgado

18h 00m

2 stops

DEN10:55 pmDenver Intl

$1,039

KLM flights from Colorado to Lisbon

Our best KLM deals on Colorado to Lisbon flight tickets

KLM

Aug 18

DEN11:33 amDenver Intl

16h 12m

1 stop

LIS10:45 amLisbon Humberto Delgado

Aug 21

LIS5:00 amLisbon Humberto Delgado

17h 23m

2 stops

DEN3:23 pmDenver Intl

$1,169

KLM

Aug 12

DEN11:05 amDenver Intl

16h 50m

2 stops

LIS10:55 amLisbon Humberto Delgado

Aug 14

LIS11:55 amLisbon Humberto Delgado

18h 00m

2 stops

DEN10:55 pmDenver Intl

$1,484

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 11/7

3:40 pm-12:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 11/15

2:00 pm-6:00 pm

1 stop35h 00m

$682

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 12/9

3:40 pm-12:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 12/13

2:00 pm-6:00 pm

1 stop35h 00m

$683

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 11/2

11:20 am-10:40 am

1 stop16h 20m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-3:35 pm

1 stop17h 35m

$701

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 11/17

5:40 pm-8:55 am

1 stop32h 15m

Lisbon Humberto Delgado

Thu 12/3

5:00 am-3:35 pm

1 stop17h 35m

$701

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sun 11/8

4:15 pm-11:30 pm

1 stop24h 15m

Lisbon Humberto Delgado

Tue 11/17

5:00 am-3:35 pm

1 stop17h 35m

$705

Quickest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 10/27

5:15 pm-1:30 pm

1 stop14h 15m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-3:35 pm

1 stop17h 35m

$705

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 11/3

7:20 pm-8:55 am

2 stops30h 35m

Lisbon Humberto Delgado

Tue 11/17

11:20 am-6:03 pm

2 stops37h 43m

$712

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 1/6

5:01 pm-9:50 pm

1 stop21h 49m

Lisbon Humberto Delgado

Wed 1/20

11:05 am-9:11 pm

1 stop17h 06m

$717

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 1/20

5:01 pm-2:50 pm

1 stop14h 49m

Lisbon Humberto Delgado

Wed 2/17

11:05 am-9:33 pm

1 stop17h 28m

$717

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 10/14

9:40 am-9:20 am

1 stop16h 40m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-6:13 pm

2 stops20h 13m

$723

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, 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 $628. 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 $630.

How far in advance should I book a flight from Colorado 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 $939 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 $825 on momondo.

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 10% 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 30m
Direct flights	None

The fastest flight from Colorado to Lisbon takes 13h 30m

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

Search flight deals

Frequently asked questions about flying from Colorado to Lisbon

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 11 as of August 2026.
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 $464	Free Cancellation	Rating 6.9 728 reviews	Search Icelandair flights
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 10,099 reviews	Search United Airlines flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 8,173 reviews	Search Lufthansa flights
Air France	PriceFrom $575	Free Cancellation	Rating 7.5 1,639 reviews	Search Air France flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,497 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $592	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 11,459 reviews	Search Air Canada flights
British Airways	PriceFrom $622	Free Cancellation	Rating 6.7 8,153 reviews	Search British Airways flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.1 11,897 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $635	Free Cancellation	Rating 7.4 4,479 reviews	Search Turkish Airlines flights

Sintra

Fátima

Figueira da Foz

Setúbal

Nazaré

Estoril

Evora

Ericeira

Peniche

Óbidos

Tomar

Batalha

Leiria

Oeiras

Sesimbra

Zambujeira do Mar

Torres Vedras

Comporta

Sines

Caldas da Rainha

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 $273

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 8/31. 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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Delta flights from Colorado to Lisbon

Our best Delta deals on Colorado to Lisbon flight tickets

KLM flights from Colorado to Lisbon

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How to get the cheapest flight ticket from Colorado to Lisbon

What is the cheapest month to fly to Lisbon?

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

Can stopping save me money on Colorado to Lisbon flights?

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

What airlines fly to Lisbon?

How long does it take to fly to Lisbon?

Cheap Colorado to Lisbon flight deals and tips

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Frequently asked questions about flying from Colorado to Lisbon

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?

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

Fly your favorite airline to Lisbon

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Lisbon

List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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