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 14h 10m on average, while flying from Aspen to Lisbon is 16h 55m 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 10 as of September 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.

$263 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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 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

$519Icelandair

Sat, Oct 31 - Sun, Nov 15

4:40 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

$520Icelandair

Sat, Oct 31 - Sun, Nov 15

11:25 am - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

16h 15m1 stop Montreal Pierre Elliott Trudeau Intl

12:50 pm - 2:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

33h 00m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$574Air Canada

Mon, Nov 9 - Tue, Nov 17

5:01 pm - 2:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 54m1 stop London Heathrow

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

17h 28m1 stop Philadelphia

$576British Airways

Sun, Feb 7 - Wed, Feb 17

1:30 pm - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 50m1 stop Toronto Pearson Intl

12:50 pm - 8:26 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

14h 36m1 stop Montreal Pierre Elliott Trudeau Intl

$577Multiple Airlines

Tue, Feb 2 - Tue, Mar 2

1:30 pm - 8:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 25m1 stop Toronto Pearson Intl

12:50 pm - 3:48 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

33h 58m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$579United Airlines

Wed, Nov 4 - Tue, Nov 17

6:00 am - 8:10 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 10m1 stop Newark

11:25 am - 12:23 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

31h 58m2 stops Montreal Pierre Elliott Trudeau Intl New York LaGuardia

$580United Airlines

Wed, Mar 10 - Wed, May 5

11:20 am - 6:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 35m1 stop Montreal Pierre Elliott Trudeau Intl

8:55 am - 8:26 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 31m1 stop Montreal Pierre Elliott Trudeau Intl

$580Multiple Airlines

Wed, Mar 17 - Thu, Mar 25

1:30 pm - 10:40 amDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

12:50 pm - 12:45 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

30h 55m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$582Air Canada

Mon, Nov 9 - Tue, Nov 17

5:01 pm - 9:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 54m1 stop London Heathrow

6:35 pm - 3:10 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

27h 35m1 stop London Heathrow

$589British Airways

Mon, Jan 18 - Mon, Jan 25

Cheap last minute flights

Enter your travel dates to find the best prices.

5:40 pm - 10:25 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 45m1 stop Paris Charles de Gaulle

10:00 am - 8:25 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 25m1 stop New York John F Kennedy Intl

$690Multiple Airlines

Wed, Sep 23 - Thu, Nov 19

5:40 pm - 10:25 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

21h 45m1 stop Paris Charles de Gaulle

10:00 am - 10:07 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

19h 07m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$695Multiple Airlines

Wed, Sep 23 - Thu, Nov 19

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

21h 25m1 stop London Heathrow

7:20 am - 4:25 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

16h 05m1 stop London Heathrow

$747British Airways

Sun, Sep 27 - Fri, Oct 23

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

21h 25m1 stop London Heathrow

7:20 am - 4:25 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

16h 05m1 stop London Heathrow

$747British Airways

Sun, Sep 27 - Wed, Oct 7

6:35 am - 8:50 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:35 am - 3:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 05m1 stop Paris Charles de Gaulle

$776Delta

Sun, Sep 27 - Wed, Oct 7

5:40 pm - 2:55 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Paris Charles de Gaulle

5:35 am - 9:32 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 57m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$781Delta

Wed, Sep 23 - Thu, Oct 1

12:29 pm - 9:05 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 36m2 stops Chicago O'Hare Intl Philadelphia

11:05 am - 12:17 amLIS Lisbon Humberto Delgado-DEN Denver Intl

20h 12m2 stops Philadelphia Chicago O'Hare Intl

$971American Airlines

Fri, Sep 25 - Mon, Sep 28

1:05 pm - 9:05 amDEN Denver Intl-LIS Lisbon Humberto Delgado

13h 00m1 stop Philadelphia

11:05 am - 10:34 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

18h 29m2 stops Philadelphia Dallas/Fort Worth

$971American Airlines

Fri, Sep 25 - Mon, Sep 28

4:15 pm - 10:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

23h 30m1 stop Munich Franz Josef Strauss

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

17h 35m1 stop Frankfurt am Main

$1,005Lufthansa

Tue, Sep 22 - Thu, Nov 19

4:15 pm - 10:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

23h 30m1 stop Munich Franz Josef Strauss

4:20 pm - 3:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

30h 20m1 stop Frankfurt am Main

$1,053Lufthansa

Tue, Sep 22 - Mon, Oct 12

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Icelandair flights from Colorado to Lisbon

Our best Icelandair deals on Colorado to Lisbon flight tickets

Icelandair

Oct 31

DEN4:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Nov 15

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

DEN6:00 pmDenver Intl

$519

Icelandair

Oct 31

DEN4:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Nov 15

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

DEN6:00 pmDenver Intl

$520

Icelandair

Nov 2

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Nov 15

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

DEN6:00 pmDenver Intl

$525

Air Canada flights from Colorado to Lisbon

Our best Air Canada deals on Colorado to Lisbon flight tickets

Air Canada

Nov 9

DEN11:25 amDenver Intl

16h 15m

1 stop

LIS10:40 amLisbon Humberto Delgado

Nov 17

LIS12:50 pmLisbon Humberto Delgado

33h 00m

2 stops

DEN2:50 pmDenver Intl

$574

Air Canada

Nov 9

DEN8:15 amDenver Intl

19h 25m

2 stops

LIS10:40 amLisbon Humberto Delgado

Nov 19

LIS8:55 amLisbon Humberto Delgado

30h 42m

2 stops

DEN8:37 amDenver Intl

$587

Air Canada

Nov 3

DEN1:30 pmDenver Intl

34h 25m

2 stops

LIS6:55 amLisbon Humberto Delgado

Nov 24

LIS12:50 pmLisbon Humberto Delgado

14h 37m

1 stop

DEN8:27 pmDenver Intl

$596

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 10/31

4:40 pm-12:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 11/15

2:00 pm-6:00 pm

1 stop35h 00m

$519

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 10/31

4:40 pm-12:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 11/15

2:00 pm-6:00 pm

1 stop35h 00m

$520

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 11/9

11:25 am-10:40 am

1 stop16h 15m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-2:50 pm

2 stops33h 00m

$574

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sun 2/7

5:01 pm-2:55 pm

1 stop14h 54m

Lisbon Humberto Delgado

Wed 2/17

11:05 am-9:33 pm

1 stop17h 28m

$576

Quickest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 2/2

1:30 pm-9:20 am

1 stop12h 50m

Lisbon Humberto Delgado

Tue 3/2

12:50 pm-8:26 pm

1 stop14h 36m

$577

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 11/4

1:30 pm-8:55 am

1 stop12h 25m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-3:48 pm

2 stops33h 58m

$579

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 3/10

6:00 am-8:10 am

1 stop19h 10m

Lisbon Humberto Delgado

Wed 5/5

11:25 am-12:23 pm

2 stops31h 58m

$580

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 3/17

11:20 am-6:55 am

1 stop13h 35m

Lisbon Humberto Delgado

Thu 3/25

8:55 am-8:26 pm

1 stop17h 31m

$580

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 11/9

1:30 pm-10:40 am

2 stops14h 10m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-12:45 pm

2 stops30h 55m

$582

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/18

5:01 pm-9:55 pm

1 stop21h 54m

Lisbon Humberto Delgado

Mon 1/25

6:35 pm-3:10 pm

1 stop27h 35m

$589

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, February 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 $630. If you are unable to visit Lisbon during the month of February, then departing from Colorado during the month January is also very affordable. Most momondo users find prices during this month for around $673.

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 $937 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 $873 on momondo.

Can stopping save me money on Colorado to Lisbon flights?

You could potentially save up to 13% 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	$263
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Lisbon from Colorado in the past 72 hours is $263. The best round-trip flight deal from Colorado to Lisbon found on momondo in the last 72 hours is $519.

The fastest flight from Colorado to Lisbon takes 14h 10m

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 September 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 6.9 747 reviews	Search Icelandair flights
United Airlines	PriceFrom $489	Free Cancellation	Rating 7.4 10,223 reviews	Search United Airlines flights
Lufthansa	PriceFrom $558	Free Cancellation	Rating 6.8 8,238 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $575	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $575	Free Cancellation	Rating 7.8 1,575 reviews	Search KLM flights
American Airlines	PriceFrom $575	Free Cancellation	Rating 7.0 12,075 reviews	Search American Airlines flights
Delta	PriceFrom $620	Free Cancellation	Rating 7.8 8,594 reviews	Search Delta flights
British Airways	PriceFrom $632	Free Cancellation	Rating 6.7 8,226 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $635	Free Cancellation	Rating 7.4 4,465 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $708	Free Cancellation	Rating 7.1 11,662 reviews	Search Air Canada flights

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Estoril

Fátima

Óbidos

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Sines

Zambujeira do Mar

Caldas da Rainha

Ericeira

Leiria

Oeiras

Costa da Caparica

Comporta

Tomar

Colares

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 $263

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 10/26. 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

Our best Icelandair deals on Colorado to Lisbon flight tickets

Air Canada 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?

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Can stopping save me money on Colorado to Lisbon flights?

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

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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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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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