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

United Airlines, Aer Lingus, and British Airways are the most popular carriers operating from Denver Intl to Lisbon Humberto Delgado

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

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 11h 45m.

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 61% 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 airport is the most popular layover for flights between Denver and Lisbon?

Newark (EWR) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $503.

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 April 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.

$369 Cheap Flights from Denver to Lisbon in 2026

Q: What is the typical price of a round-trip flight between Denver and Lisbon?

Prices are currently low for flights on this route. Typical prices usually range from $966 to $692. The lowest price recently found on this route was $698.

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Find the cheapest flights from Denver to Lisbon

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One-way

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8:25 pm - 9:50 am

DEN

LIS

30h 25m

1 stop

5:55 am - 6:25 pm

LIS

DEN

19h 30m

1 stop

$698Turkish Airlines

Tue, Aug 18 - Thu, Aug 27

8:25 pm - 11:15 pm

DEN

LIS

19h 50m

1 stop

5:55 am - 6:25 pm

LIS

DEN

19h 30m

1 stop

$699Turkish Airlines

Sun, Aug 23 - Sun, Aug 30

8:25 pm - 11:20 pm

DEN

LIS

19h 55m

1 stop

4:45 pm - 6:25 pm

LIS

DEN

32h 40m

1 stop

$700Turkish Airlines

Thu, Apr 30 - Mon, May 4

8:25 pm - 11:20 pm

DEN

LIS

19h 55m

1 stop

5:55 am - 6:25 pm

LIS

DEN

19h 30m

1 stop

$706Turkish Airlines

Tue, Apr 28 - Tue, May 5

8:25 pm - 11:15 pm

DEN

LIS

19h 50m

1 stop

5:05 pm - 6:25 pm

LIS

DEN

32h 20m

1 stop

$707Turkish Airlines

Sun, Sep 20 - Sat, Sep 26

8:25 pm - 11:20 pm

DEN

LIS

19h 55m

1 stop

5:55 am - 6:25 pm

LIS

DEN

19h 30m

1 stop

$715Turkish Airlines

Tue, Sep 22 - Tue, Oct 6

8:25 pm - 9:50 am

DEN

LIS

30h 25m

1 stop

4:45 pm - 6:25 pm

LIS

DEN

32h 40m

1 stop

$716Turkish Airlines

Tue, Sep 22 - Fri, Oct 9

8:25 pm - 9:50 am

DEN

LIS

30h 25m

1 stop

5:05 pm - 6:25 pm

LIS

DEN

32h 20m

1 stop

$718Turkish Airlines

Tue, Aug 25 - Sat, Aug 29

8:25 pm - 3:35 pm

DEN

LIS

36h 10m

1 stop

5:05 pm - 6:25 pm

LIS

DEN

32h 20m

1 stop

$722Turkish Airlines

Sat, Apr 25 - Sat, May 9

8:25 pm - 11:20 pm

DEN

LIS

19h 55m

1 stop

5:55 am - 6:25 pm

LIS

DEN

19h 30m

1 stop

$723Turkish Airlines

Thu, Sep 10 - Sat, Sep 26

Turkish Airlines flights from Denver to Lisbon

Our best Turkish Airlines deals on Denver to Lisbon flight tickets

Turkish Airlines

Aug 18

DEN8:25 pmDenver Intl

30h 25m

1 stop

LIS9:50 amLisbon Humberto Delgado

Aug 27

LIS5:55 amLisbon Humberto Delgado

19h 30m

1 stop

DEN6:25 pmDenver Intl

$698

Turkish Airlines

Aug 23

DEN8:25 pmDenver Intl

19h 50m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Aug 30

LIS5:55 amLisbon Humberto Delgado

19h 30m

1 stop

DEN6:25 pmDenver Intl

$699

Turkish Airlines

Apr 30

DEN8:25 pmDenver Intl

19h 55m

1 stop

LIS11:20 pmLisbon Humberto Delgado

May 4

LIS4:45 pmLisbon Humberto Delgado

32h 40m

1 stop

DEN6:25 pmDenver Intl

$700

Scandinavian Airlines flights from Denver to Lisbon

Our best Scandinavian Airlines deals on Denver to Lisbon flight tickets

Scandinavian Airlines

Aug 18

DEN6:30 amDenver Intl

26h 05m

2 stops

LIS3:35 pmLisbon Humberto Delgado

Aug 27

LIS7:00 amLisbon Humberto Delgado

22h 49m

2 stops

DEN10:49 pmDenver Intl

$782

Scandinavian Airlines

Aug 18

DEN6:30 amDenver Intl

26h 15m

2 stops

LIS3:45 pmLisbon Humberto Delgado

Aug 26

LIS7:15 amLisbon Humberto Delgado

22h 43m

2 stops

DEN10:58 pmDenver Intl

$799

Scandinavian Airlines

Sep 15

DEN12:20 pmDenver Intl

27h 40m

3 stops

LIS11:00 pmLisbon Humberto Delgado

Sep 30

LIS7:15 amLisbon Humberto Delgado

22h 34m

2 stops

DEN10:49 pmDenver Intl

$803

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 8/18

8:25 pm-9:50 am

1 stop30h 25m

Lisbon Humberto Delgado

Thu 8/27

5:55 am-6:25 pm

1 stop19h 30m

$698

Quickest round-trip

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 8/23

8:25 pm-11:15 pm

1 stop19h 50m

Lisbon Humberto Delgado

Sun 8/30

5:55 am-6:25 pm

1 stop19h 30m

$699

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 4/30

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Mon 5/4

4:45 pm-6:25 pm

1 stop32h 40m

$700

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/28

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Tue 5/5

5:55 am-6:25 pm

1 stop19h 30m

$706

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 9/20

8:25 pm-11:15 pm

1 stop19h 50m

Lisbon Humberto Delgado

Sat 9/26

5:05 pm-6:25 pm

1 stop32h 20m

$707

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/22

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Tue 10/6

5:55 am-6:25 pm

1 stop19h 30m

$715

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 9/22

8:25 pm-9:50 am

1 stop30h 25m

Lisbon Humberto Delgado

Fri 10/9

4:45 pm-6:25 pm

1 stop32h 40m

$716

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 8/25

8:25 pm-9:50 am

1 stop30h 25m

Lisbon Humberto Delgado

Sat 8/29

5:05 pm-6:25 pm

1 stop32h 20m

$718

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/25

8:25 pm-3:35 pm

1 stop36h 10m

Lisbon Humberto Delgado

Sat 5/9

5:05 pm-6:25 pm

1 stop32h 20m

$722

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Thu 9/10

8:25 pm-11:20 pm

1 stop19h 55m

Lisbon Humberto Delgado

Sat 9/26

5:55 am-6:25 pm

1 stop19h 30m

$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 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 typical price of a round-trip flight between Denver and Lisbon?

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 $896 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 $766 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of April 2026, prices for Denver to Lisbon flights are approximately 17% 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	12h 16m
Direct flights	None

The fastest flight from Denver to Lisbon takes 12h 16m

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

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Frequently asked questions about flying from Denver to Lisbon

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 12h 16m, 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 April 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 47% of the total bookings. Other popular airlines include British Airways with 13%, Lufthansa with 10%, and Air Canada with 8%.

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 $464	Free Cancellation	Rating 7.0 632 reviews	Search Icelandair flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 7,920 reviews	Search Lufthansa flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,408 reviews	Search Delta flights
United Airlines	PriceFrom $575	Free Cancellation	Rating 7.4 9,581 reviews	Search United Airlines flights
Air Canada	PriceFrom $595	Free Cancellation	Rating 7.1 10,922 reviews	Search Air Canada flights
KLM	PriceFrom $599	Free Cancellation	Rating 7.8 1,496 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $603	Free Cancellation	Rating 7.5 687 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $606	Free Cancellation	Rating 6.7 7,882 reviews	Search British Airways flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.1 11,571 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $640	Free Cancellation	Rating 7.3 4,304 reviews	Search Turkish Airlines flights

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Fátima

Ericeira

Nazaré

Setúbal

Peniche

Estoril

Evora

Oeiras

Sesimbra

Leiria

Figueira da Foz

Zambujeira do Mar

Óbidos

Batalha

Tomar

Comporta

Almada

Torres Vedras

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 $369

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 9/12. 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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How to get the cheapest flight ticket from Denver to Lisbon

What is the typical price of a round-trip flight between Denver and 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

Frequently asked questions about flying from Denver to Lisbon

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?

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.

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Daily price changes in your inbox - only with Price Alerts.

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

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