Which layover airport has the shortest connection time from Denver to Lisbon?

Munich (MUC) has the shortest average layover time for this route: 1h 05m.

What airlines fly to Lisbon?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Lisbon from Denver according to our data. United Airlines is the first choice among our users, with 60% 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.

Which layover airport has the shortest travel time from Denver to Lisbon?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 12h 03m.

Which layover airport offers the lowest fares from Denver to Lisbon?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $601.

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

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

Which airport is the most popular layover for flights between Denver and Lisbon?

Newark (EWR) was the most common stop: 18% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport are updated daily.

How many operators does momondo search for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?

As of February 2026, there are 13 operators available to choose from for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport.

How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport 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.

$243 Cheap Flights from Denver to Lisbon in 2026

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6:40 pm - 5:55 pm

DEN

LIS

16h 15m

1 stop

6:45 pm - 4:30 pm

LIS

DEN

28h 45m

1 stop

$576British Airways

Tue, Apr 28 - Wed, May 6

11:33 am - 8:00 am

DEN

LIS

13h 27m

1 stop

10:00 am - 7:36 pm

LIS

DEN

15h 36m

1 stop

$577KLM

Mon, Mar 2 - Thu, Mar 12

12:44 pm - 2:55 pm

DEN

LIS

19h 11m

2 stops

5:35 am - 8:19 pm

LIS

DEN

21h 44m

2 stops

$578Delta

Tue, Apr 14 - Fri, Apr 24

12:44 pm - 2:55 pm

DEN

LIS

19h 11m

2 stops

10:00 am - 7:42 pm

LIS

DEN

16h 42m

1 stop

$581Delta

Tue, Apr 14 - Fri, Apr 24

6:40 am - 9:00 am

DEN

LIS

20h 20m

1 stop

12:45 pm - 12:09 am

LIS

DEN

18h 24m

2 stops

$582KLM

Tue, Mar 17 - Thu, Apr 2

6:40 am - 9:00 am

DEN

LIS

20h 20m

1 stop

12:45 pm - 10:24 am

LIS

DEN

28h 39m

1 stop

$583Delta

Tue, Mar 17 - Tue, Mar 31

7:45 am - 9:20 am

DEN

LIS

18h 35m

2 stops

11:25 am - 11:43 am

LIS

DEN

31h 18m

3 stops

$584United Airlines

Tue, Apr 21 - Tue, Apr 28

6:10 am - 9:00 am

DEN

LIS

20h 50m

2 stops

12:45 pm - 11:25 am

LIS

DEN

29h 40m

2 stops

$593Delta

Tue, Mar 17 - Thu, Apr 2

4:40 pm - 1:50 pm

DEN

LIS

14h 10m

1 stop

10:20 pm - 12:40 pm

LIS

DEN

21h 20m

1 stop

$598Icelandair

Wed, May 13 - Sun, May 24

6:40 pm - 3:35 pm

DEN

LIS

13h 55m

1 stop

11:05 am - 10:47 pm

LIS

DEN

18h 42m

1 stop

$599British Airways

Tue, Apr 14 - Fri, Apr 24

British Airways flights from Denver to Lisbon

Our best British Airways deals on Denver to Lisbon flight tickets

British Airways

Apr 28

DEN6:40 pmDenver Intl

16h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

May 6

LIS6:45 pmLisbon Humberto Delgado

28h 45m

1 stop

DEN4:30 pmDenver Intl

$576

British Airways

Apr 14

DEN6:40 pmDenver Intl

13h 55m

1 stop

LIS3:35 pmLisbon Humberto Delgado

Apr 24

LIS11:05 amLisbon Humberto Delgado

18h 42m

1 stop

DEN10:47 pmDenver Intl

$599

British Airways

Apr 15

DEN6:40 pmDenver Intl

21h 35m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Apr 23

LIS11:05 amLisbon Humberto Delgado

18h 42m

1 stop

DEN10:47 pmDenver Intl

$601

United Airlines flights from Denver to Lisbon

Our best United Airlines deals on Denver to Lisbon flight tickets

United Airlines

Apr 21

DEN7:45 amDenver Intl

18h 35m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 28

LIS11:25 amLisbon Humberto Delgado

31h 18m

3 stops

DEN11:43 amDenver Intl

$584

United Airlines

May 3

DEN6:00 amDenver Intl

21h 30m

1 stop

LIS10:30 amLisbon Humberto Delgado

May 12

LIS6:15 amLisbon Humberto Delgado

19h 35m

1 stop

DEN6:50 pmDenver Intl

$602

United Airlines

Feb 27

DEN12:46 pmDenver Intl

12h 24m

1 stop

LIS8:10 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

34h 17m

2 stops

DEN2:37 pmDenver Intl

$607

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/28

6:40 pm-5:55 pm

1 stop16h 15m

Lisbon Humberto Delgado

Wed 5/6

6:45 pm-4:30 pm

1 stop28h 45m

$576

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 3/2

11:33 am-8:00 am

1 stop13h 27m

Lisbon Humberto Delgado

Thu 3/12

10:00 am-7:36 pm

1 stop15h 36m

$577

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

12:44 pm-2:55 pm

2 stops19h 11m

Lisbon Humberto Delgado

Fri 4/24

5:35 am-8:19 pm

2 stops21h 44m

$578

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

12:44 pm-2:55 pm

2 stops19h 11m

Lisbon Humberto Delgado

Fri 4/24

10:00 am-7:42 pm

1 stop16h 42m

$581

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/17

6:40 am-9:00 am

1 stop20h 20m

Lisbon Humberto Delgado

Thu 4/2

12:45 pm-12:09 am

2 stops18h 24m

$582

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/17

6:40 am-9:00 am

1 stop20h 20m

Lisbon Humberto Delgado

Tue 3/31

12:45 pm-10:24 am

1 stop28h 39m

$583

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/21

7:45 am-9:20 am

2 stops18h 35m

Lisbon Humberto Delgado

Tue 4/28

11:25 am-11:43 am

3 stops31h 18m

$584

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 3/17

6:10 am-9:00 am

2 stops20h 50m

Lisbon Humberto Delgado

Thu 4/2

12:45 pm-11:25 am

2 stops29h 40m

$593

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Wed 5/13

4:40 pm-1:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Sun 5/24

10:20 pm-12:40 pm

1 stop21h 20m

$598

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

6:40 pm-3:35 pm

1 stop13h 55m

Lisbon Humberto Delgado

Fri 4/24

11:05 am-10:47 pm

1 stop18h 42m

$599

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 Denver 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

Layovers

What is the cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from Denver to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $626. If you are unable to visit Lisbon during the month of January, then departing from Denver 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 to Lisbon?

You are more likely to see cheaper flights to Lisbon from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $886 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Denver for as low as $753 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of February 2026, prices for Denver to Lisbon flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Lisbon

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

Estimated round-trip price

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

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

Fastest flight time	11h 30m
Direct flights	None

The fastest flight from Denver to Lisbon takes 11h 30m

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

Search flight deals

How far is Denver Intl to Lisbon Humberto Delgado by plane?
The distance between Denver Intl and Lisbon Humberto Delgado is about 4847.0 mi. Flights usually cover this in 11h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport?
As of February 2026, there are 13 operators available to choose from for flights from Denver Intl Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Denver Intl Airport 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 Denver Intl Airport 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.
What is the most popular airline from Denver to Lisbon?
Based on momondo bookings for flights between Denver and Lisbon, the leading airline is United Airlines, making up 46% of the total bookings. Other popular airlines include British Airways with 15%, Lufthansa with 10%, and Air Canada with 7%.

Best airlines flying from Denver to Lisbon

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $458	Free Cancellation	Rating 7.1 615 reviews	Search Icelandair flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,755 reviews	Search British Airways flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 7,789 reviews	Search Lufthansa flights
United Airlines	PriceFrom $574	Free Cancellation	Rating 7.4 9,325 reviews	Search United Airlines flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,215 reviews	Search Delta flights
Turkish Airlines	PriceFrom $586	Free Cancellation	Rating 7.3 4,224 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $595	Free Cancellation	Rating 7.1 10,732 reviews	Search Air Canada flights
KLM	PriceFrom $599	Free Cancellation	Rating 7.7 1,458 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $603	Free Cancellation	Rating 7.5 679 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.2 11,321 reviews	Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Setúbal

Estoril

Peniche

Evora

Oeiras

Sesimbra

Leiria

Tomar

Figueira da Foz

Zambujeira do Mar

Batalha

Óbidos

Torres Vedras

Comporta

Almada

Sines

Why use momondo?

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

Finding the right flight to Lisbon from Denver 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 Denver to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Denver which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Lisbon from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Denver to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Lisbon trip

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Cheap flights from Denver to Lisbon from $243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Lisbon departing on 4/25. 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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See travel insights to Lisbon from

How to get the cheapest flight ticket from Denver to Lisbon

What is the cheapest month to fly to Lisbon?

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

How have Denver to Lisbon flight prices changed over time?

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

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between Denver and Lisbon?

Which layover airport offers the lowest fares from Denver to Lisbon?

Which layover airport has the shortest travel time from Denver to Lisbon?

Which layover airport has the shortest connection time from Denver to Lisbon?

When to book flights from Denver to Lisbon

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

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

Fastest flight time

Direct flights

Best airlines flying from Denver to Lisbon

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

Traveling to a place near Lisbon?

Why use momondo?

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

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

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

I’m not ready to book a flight from Denver 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

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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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