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

Iberia and British Airways are the most popular carriers operating from Lisbon Humberto Delgado to Denver Intl

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Denver Intl Airport?

Prices for flights from Lisbon Humberto Delgado Airport to Denver Intl Airport were last updated today.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$382 Cheap Flights from Lisbon to Denver in 2026

Find the cheapest flights from Lisbon to Denver

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 pm - 12:40 pm

LIS

DEN

21h 20m

1 stop

8:10 pm - 9:20 pm

DEN

LIS

18h 10m

1 stop

$861Icelandair

Thu, Aug 27 - Wed, Sep 9

7:00 am - 11:20 am

LIS

DEN

35h 20m

3 stops

4:40 pm - 9:55 pm

DEN

LIS

22h 15m

2 stops

$892Multiple Airlines

Thu, Jul 23 - Thu, Aug 27

9:10 pm - 11:20 am

LIS

DEN

45h 10m

3 stops

4:40 pm - 8:10 pm

DEN

LIS

20h 30m

2 stops

$899Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:10 pm - 11:20 am

LIS

DEN

45h 10m

3 stops

4:40 pm - 11:00 am

DEN

LIS

35h 20m

3 stops

$907Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

10:20 pm - 12:40 pm

LIS

DEN

21h 20m

1 stop

8:10 pm - 9:20 pm

DEN

LIS

18h 10m

1 stop

$913Icelandair

Thu, Jul 16 - Wed, Jul 29

10:20 am - 8:23 am

LIS

DEN

29h 03m

1 stop

4:40 pm - 11:30 pm

DEN

LIS

23h 50m

2 stops

$918Multiple Airlines

Fri, Aug 28 - Sat, Sep 12

10:20 pm - 12:40 pm

LIS

DEN

21h 20m

1 stop

4:40 pm - 9:20 pm

DEN

LIS

21h 40m

1 stop

$923Icelandair

Sun, Jul 19 - Sat, Aug 1

9:10 pm - 11:20 am

LIS

DEN

45h 10m

3 stops

9:40 am - 9:20 am

DEN

LIS

16h 40m

1 stop

$929Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

5:05 am - 3:40 pm

LIS

DEN

17h 35m

1 stop

5:40 pm - 10:15 pm

DEN

LIS

21h 35m

1 stop

$934Lufthansa

Fri, Sep 4 - Thu, Sep 10

7:00 am - 11:20 am

LIS

DEN

35h 20m

3 stops

4:40 pm - 9:15 pm

DEN

LIS

21h 35m

3 stops

$944Multiple Airlines

Thu, Jul 23 - Thu, Aug 27

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Aer Lingus flights from Lisbon to Denver

Our best Aer Lingus deals on Lisbon to Denver flight tickets

Aer Lingus

Aug 18

LIS10:15 pmLisbon Humberto Delgado

27h 00m

1 stop

DEN6:15 pmDenver Intl

Aug 31

DEN8:00 pmDenver Intl

18h 35m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$1,030

Aer Lingus

Aug 15

LIS10:15 pmLisbon Humberto Delgado

27h 00m

1 stop

DEN6:15 pmDenver Intl

Aug 22

DEN8:00 pmDenver Intl

18h 35m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$1,055

Icelandair flights from Lisbon to Denver

Our best Icelandair deals on Lisbon to Denver flight tickets

Icelandair

Aug 27

LIS10:20 pmLisbon Humberto Delgado

21h 20m

1 stop

DEN12:40 pmDenver Intl

Sep 9

DEN8:10 pmDenver Intl

18h 10m

1 stop

LIS9:20 pmLisbon Humberto Delgado

$861

Icelandair

Jul 16

LIS10:20 pmLisbon Humberto Delgado

21h 20m

1 stop

DEN12:40 pmDenver Intl

Jul 29

DEN8:10 pmDenver Intl

18h 10m

1 stop

LIS9:20 pmLisbon Humberto Delgado

$913

Icelandair

Jul 19

LIS10:20 pmLisbon Humberto Delgado

21h 20m

1 stop

DEN12:40 pmDenver Intl

Aug 1

DEN4:40 pmDenver Intl

21h 40m

1 stop

LIS9:20 pmLisbon Humberto Delgado

$923

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 8/27

10:20 pm-12:40 pm

1 stop21h 20m

Denver Intl

Wed 9/9

8:10 pm-9:20 pm

1 stop18h 10m

$861

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 7/23

7:00 am-11:20 am

3 stops35h 20m

Denver Intl

Thu 8/27

4:40 pm-9:55 pm

2 stops22h 15m

$892

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 9/9

9:10 pm-11:20 am

3 stops45h 10m

Denver Intl

Wed 9/16

4:40 pm-8:10 pm

2 stops20h 30m

$899

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 9/9

9:10 pm-11:20 am

3 stops45h 10m

Denver Intl

Wed 9/16

4:40 pm-11:00 am

3 stops35h 20m

$907

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 7/16

10:20 pm-12:40 pm

1 stop21h 20m

Denver Intl

Wed 7/29

8:10 pm-9:20 pm

1 stop18h 10m

$913

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 8/28

10:20 am-8:23 am

1 stop29h 03m

Denver Intl

Sat 9/12

4:40 pm-11:30 pm

2 stops23h 50m

$918

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Sun 7/19

10:20 pm-12:40 pm

1 stop21h 20m

Denver Intl

Sat 8/1

4:40 pm-9:20 pm

1 stop21h 40m

$923

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Wed 9/9

9:10 pm-11:20 am

3 stops45h 10m

Denver Intl

Wed 9/16

9:40 am-9:20 am

1 stop16h 40m

$929

Quickest round-trip

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Fri 9/4

5:05 am-3:40 pm

1 stop17h 35m

Denver Intl

Thu 9/10

5:40 pm-10:15 pm

1 stop21h 35m

$934

LisbonDenver

LIS - DEN

LISDEN

Lisbon Humberto Delgado

Thu 7/23

7:00 am-11:20 am

3 stops35h 20m

Denver Intl

Thu 8/27

4:40 pm-9:15 pm

3 stops21h 35m

$944

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 Lisbon to Denver

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

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Lisbon is in November. Flight prices, which tend to average around $875, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until February to fly from Lisbon, when ticket prices are also cheap, with an average price of $928.

Can stopping save me money on Lisbon to Denver flights?

You could potentially save up to 11% on your flight if you consider stops on a Lisbon to Denver flight.

How have Lisbon to Denver flight prices changed over time?

As of July 2026, prices for Lisbon to Denver flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Lisbon to Denver (LIS to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Denver

Fastest flight time	20h 18m
Direct flights	None

The fastest flight from Lisbon to Denver takes 20h 18m

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

Search flight deals

Frequently asked questions about flying from Lisbon to Denver

How far is Lisbon Humberto Delgado to Denver Intl by plane?
A flight from Lisbon Humberto Delgado to Denver Intl will travel around 4847.0 mi. Typically, this will take 20h 18m by plane in normal conditions.
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Denver Intl Airport?
Prices for flights from Lisbon Humberto Delgado Airport to Denver Intl Airport were last updated today.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why should I use momondo to find a flight deal from Lisbon to Denver?

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Can I find flights from Lisbon to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Lisbon to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Lisbon to Denver?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to Denver.

I’m not ready to book a flight from Lisbon to Denver right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Lisbon and alert you when they change.