What airlines fly to Lisbon?

United Airlines, British Airways and Air Canada 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 55% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 10 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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 50m on average, while flying from Aspen to Lisbon is 14h 07m on average. Lisbon is the most popular airport in Lisbon.

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

United Airlines and British Airways are the most popular carriers 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 10 as of November 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.

$309 Cheap Flights from Colorado to Lisbon in 2026/27

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.

1:30 pm - 3:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 35m2 stops Toronto Pearson Intl Dublin

8:30 pm - 4:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

27h 20m2 stops Dublin Toronto Pearson Intl

$524Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

1:30 pm - 3:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 35m2 stops Toronto Pearson Intl Dublin

8:30 pm - 4:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

27h 20m2 stops Dublin Toronto Pearson Intl

$560Multiple Airlines

Sat, Jan 16 - Sat, Jan 23

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

11:40 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 20m1 stop Reykjavik Keflavik Intl

$567Icelandair

Mon, Dec 7 - Tue, Dec 22

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

11:40 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 20m1 stop Reykjavik Keflavik Intl

$568Icelandair

Mon, Dec 7 - Tue, Dec 22

8:00 am - 10:30 amEGE Vail Eagle County-LIS Lisbon Humberto Delgado

19h 30m3 stops Chicago O'Hare Intl Cleveland Hopkins Intl Washington, D.C. Dulles Intl

11:25 am - 6:05 pmLIS Lisbon Humberto Delgado-EGE Vail Eagle County

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$728United Airlines

Wed, Apr 14 - Fri, Apr 23

8:00 am - 10:30 amEGE Vail Eagle County-LIS Lisbon Humberto Delgado

19h 30m3 stops Chicago O'Hare Intl Cleveland Hopkins Intl Washington, D.C. Dulles Intl

11:25 am - 6:05 pmLIS Lisbon Humberto Delgado-EGE Vail Eagle County

37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$728United Airlines

Tue, Apr 13 - Fri, Apr 23

4:15 pm - 1:25 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Munich Franz Josef Strauss

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

17h 35m1 stop Frankfurt am Main

$747Lufthansa

Tue, Feb 23 - Fri, Mar 5

11:25 am - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 55m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 am - 6:06 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

37h 46m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$758Air Canada

Mon, Jan 25 - Tue, Feb 2

8:00 am - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 20m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 6:06 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

37h 46m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$758Air Canada

Mon, Jan 25 - Tue, Feb 2

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

24h 15m1 stop Munich Franz Josef Strauss

6:05 am - 2:30 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 25m1 stop Munich Franz Josef Strauss

$762Lufthansa

Mon, Jan 25 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

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

35h 05m1 stop Reykjavik Keflavik Intl

$772Icelandair

Mon, Nov 9 - Tue, Nov 17

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

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

35h 05m1 stop Reykjavik Keflavik Intl

$780Icelandair

Mon, Nov 9 - Tue, Nov 17

5:40 pm - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

32h 40m1 stop Toronto Pearson Intl

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

17h 35m1 stop Frankfurt am Main

$798Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

4:15 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

$803Lufthansa

Mon, Nov 9 - Tue, Nov 17

7:40 am - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 40m1 stop Washington, D.C. Dulles Intl

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

17h 35m1 stop Frankfurt am Main

$811United Airlines

Mon, Nov 9 - Tue, Nov 17

7:40 am - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 40m1 stop Washington, D.C. Dulles Intl

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

17h 35m1 stop Frankfurt am Main

$812United Airlines

Mon, Nov 9 - Tue, Nov 17

5:40 pm - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

32h 40m1 stop Toronto Pearson Intl

6:05 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

16h 30m2 stops Munich Franz Josef Strauss Frankfurt am Main

$821Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

12:38 pm - 8:00 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 22m1 stop New York John F Kennedy Intl

5:00 am - 8:20 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 20m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Mon, Nov 9 - Tue, Nov 17

7:05 am - 8:00 amDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 55m1 stop New York John F Kennedy Intl

5:00 am - 6:31 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Mon, Nov 9 - Tue, Nov 17

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

24h 15m1 stop Munich Franz Josef Strauss

2:20 pm - 2:30 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

31h 10m1 stop Munich Franz Josef Strauss

$825Lufthansa

Mon, Nov 9 - Mon, Nov 16

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Icelandair flights from Colorado to Lisbon

Our best Icelandair deals on Colorado to Lisbon flight tickets

Icelandair

Dec 7

DEN3:40 pmDenver Intl

14h 05m

1 stop

LIS12:45 pmLisbon Humberto Delgado

Dec 22

LIS11:40 amLisbon Humberto Delgado

13h 20m

1 stop

DEN6:00 pmDenver Intl

$567

Icelandair

Dec 7

DEN3:40 pmDenver Intl

14h 05m

1 stop

LIS12:45 pmLisbon Humberto Delgado

Dec 22

LIS11:40 amLisbon Humberto Delgado

13h 20m

1 stop

DEN6:00 pmDenver Intl

$568

Icelandair

Nov 25

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Dec 1

LIS1:55 pmLisbon Humberto Delgado

35h 05m

1 stop

DEN6:00 pmDenver Intl

$719

United Airlines flights from Colorado to Lisbon

Our best United Airlines deals on Colorado to Lisbon flight tickets

United Airlines

Apr 11

EGE8:00 amVail Eagle County

19h 30m

3 stops

LIS10:30 amLisbon Humberto Delgado

Apr 23

LIS11:25 amLisbon Humberto Delgado

37h 40m

2 stops

EGE6:05 pmVail Eagle County

$728

United Airlines

Apr 11

EGE8:00 amVail Eagle County

18h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 23

LIS11:25 amLisbon Humberto Delgado

37h 40m

2 stops

EGE6:05 pmVail Eagle County

$731

United Airlines

Apr 13

EGE8:00 amVail Eagle County

19h 30m

3 stops

LIS10:30 amLisbon Humberto Delgado

Apr 22

LIS1:00 pmLisbon Humberto Delgado

38h 05m

2 stops

EGE8:05 pmVail Eagle County

$733

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 12/5

1:30 pm-3:05 pm

2 stops18h 35m

Lisbon Humberto Delgado

Sat 12/12

8:30 pm-4:50 pm

2 stops27h 20m

$524

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 1/16

1:30 pm-3:05 pm

2 stops18h 35m

Lisbon Humberto Delgado

Sat 1/23

8:30 pm-4:50 pm

2 stops27h 20m

$560

Quickest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 12/7

3:40 pm-12:45 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 12/22

11:40 am-6:00 pm

1 stop13h 20m

$567

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 12/7

3:40 pm-12:45 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 12/22

11:40 am-6:00 pm

1 stop13h 20m

$568

VailLisbon

EGE Vail Eagle County - LIS Lisbon Humberto Delgado

EGELIS

Vail Eagle County

Wed 4/14

8:00 am-10:30 am

3 stops19h 30m

Lisbon Humberto Delgado

Fri 4/23

11:25 am-6:05 pm

2 stops37h 40m

$728

VailLisbon

EGE Vail Eagle County - LIS Lisbon Humberto Delgado

EGELIS

Vail Eagle County

Tue 4/13

8:00 am-10:30 am

3 stops19h 30m

Lisbon Humberto Delgado

Fri 4/23

11:25 am-6:05 pm

2 stops37h 40m

$728

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 2/23

4:15 pm-1:25 pm

1 stop14h 10m

Lisbon Humberto Delgado

Fri 3/5

5:00 am-3:35 pm

1 stop17h 35m

$747

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/25

11:25 am-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Tue 2/2

11:20 am-6:06 pm

2 stops37h 46m

$758

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/25

8:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Tue 2/2

11:20 am-6:06 pm

2 stops37h 46m

$758

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/25

4:15 pm-11:30 pm

1 stop24h 15m

Lisbon Humberto Delgado

Tue 2/2

6:05 am-2:30 pm

1 stop15h 25m

$762

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 $955 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 $821 on momondo.

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 11% 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	$309
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to Lisbon from Colorado in the past 72 hours is $309. The best round-trip flight deal from Colorado to Lisbon found on momondo in the last 72 hours is $524.

The fastest flight from Colorado to Lisbon takes 12h 50m

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 10 as of November 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 6.9 767 reviews	Search Icelandair flights
United Airlines	PriceFrom $489	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights
Lufthansa	PriceFrom $560	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $575	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $598	Free Cancellation	Rating 6.7 8,286 reviews	Search British Airways flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
KLM	PriceFrom $644	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Turkish Airlines	PriceFrom $651	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
Delta	PriceFrom $686	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Air Canada	PriceFrom $708	Free Cancellation	Rating 7.1 11,874 reviews	Search Air Canada flights

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Leiria

Batalha

Sines

Costa da Caparica

Caldas da Rainha

Comporta

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Peniche

Tomar

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 $309

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 1/18. 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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Icelandair 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

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

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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

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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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