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.

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

Newark (EWR) was the most common stop: 19% of momondo users choosing 1-stop flights on this route connected there.

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 59% 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 offers the lowest fares from Denver to Lisbon?

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

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 March 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.

$275 Cheap Flights from Denver to Lisbon in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Denver to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:59 pm - 10:30 am

DEN

LIS

27h 31m

1 stop

5:05 am - 10:14 pm

LIS

DEN

24h 09m

2 stops

$581United Airlines

Sat, Apr 25 - Tue, May 5

6:40 pm - 5:55 pm

DEN

LIS

16h 15m

1 stop

6:35 am - 10:45 pm

LIS

DEN

23h 10m

2 stops

$583Multiple Airlines

Tue, Apr 21 - Tue, May 5

6:40 pm - 11:10 pm

DEN

LIS

21h 30m

1 stop

4:35 pm - 7:55 pm

LIS

DEN

34h 20m

2 stops

$588Multiple Airlines

Mon, Apr 20 - Mon, May 4

6:40 am - 8:00 am

DEN

LIS

18h 20m

1 stop

5:35 am - 8:46 pm

LIS

DEN

22h 11m

2 stops

$593Delta

Tue, Apr 14 - Fri, Apr 24

6:40 pm - 11:00 pm

DEN

LIS

21h 20m

1 stop

7:20 am - 4:30 pm

LIS

DEN

16h 10m

1 stop

$595British Airways

Tue, Apr 7 - Fri, Apr 17

11:45 am - 2:35 pm

DEN

LIS

19h 50m

2 stops

5:00 am - 5:55 pm

LIS

DEN

19h 55m

2 stops

$596Delta

Mon, Apr 13 - Tue, Apr 28

6:00 am - 10:30 am

DEN

LIS

21h 30m

1 stop

12:20 pm - 7:20 pm

LIS

DEN

14h 00m

1 stop

$597United Airlines

Sun, Apr 26 - Wed, May 6

5:45 am - 8:00 am

DEN

LIS

19h 15m

2 stops

5:35 am - 9:27 pm

LIS

DEN

22h 52m

2 stops

$598Delta

Tue, Apr 14 - Fri, Apr 24

10:28 am - 11:25 pm

DEN

LIS

29h 57m

2 stops

6:35 am - 10:45 pm

LIS

DEN

23h 10m

2 stops

$599Finnair

Mon, Apr 13 - Wed, Apr 29

6:40 pm - 3:45 pm

DEN

LIS

14h 05m

1 stop

7:20 am - 4:30 pm

LIS

DEN

16h 10m

1 stop

$600British Airways

Mon, Apr 27 - Wed, May 6

Delta flights from Denver to Lisbon

Our best Delta deals on Denver to Lisbon flight tickets

Delta

Apr 14

DEN6:40 amDenver Intl

18h 20m

1 stop

LIS8:00 amLisbon Humberto Delgado

Apr 24

LIS5:35 amLisbon Humberto Delgado

22h 11m

2 stops

DEN8:46 pmDenver Intl

$593

Delta

Apr 13

DEN11:45 amDenver Intl

19h 50m

2 stops

LIS2:35 pmLisbon Humberto Delgado

Apr 28

LIS5:00 amLisbon Humberto Delgado

19h 55m

2 stops

DEN5:55 pmDenver Intl

$596

Delta

Mar 2

DEN6:00 amDenver Intl

20h 00m

1 stop

LIS9:00 amLisbon Humberto Delgado

Mar 10

LIS10:00 amLisbon Humberto Delgado

17h 46m

1 stop

DEN9:46 pmDenver Intl

$597

British Airways flights from Denver to Lisbon

Our best British Airways deals on Denver to Lisbon flight tickets

British Airways

Apr 7

DEN6:40 pmDenver Intl

21h 20m

1 stop

LIS11:00 pmLisbon Humberto Delgado

Apr 17

LIS7:20 amLisbon Humberto Delgado

16h 10m

1 stop

DEN4:30 pmDenver Intl

$595

British Airways

Apr 27

DEN6:40 pmDenver Intl

14h 05m

1 stop

LIS3:45 pmLisbon Humberto Delgado

May 6

LIS7:20 amLisbon Humberto Delgado

16h 10m

1 stop

DEN4:30 pmDenver Intl

$600

British Airways

Apr 13

DEN6:40 pmDenver Intl

16h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

Apr 29

LIS11:00 amLisbon Humberto Delgado

36h 30m

1 stop

DEN4:30 pmDenver Intl

$602

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 4/25

11:59 pm-10:30 am

1 stop27h 31m

Lisbon Humberto Delgado

Tue 5/5

5:05 am-10:14 pm

2 stops24h 09m

$581

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/21

6:40 pm-5:55 pm

1 stop16h 15m

Lisbon Humberto Delgado

Tue 5/5

6:35 am-10:45 pm

2 stops23h 10m

$583

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/20

6:40 pm-11:10 pm

1 stop21h 30m

Lisbon Humberto Delgado

Mon 5/4

4:35 pm-7:55 pm

2 stops34h 20m

$588

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

6:40 am-8:00 am

1 stop18h 20m

Lisbon Humberto Delgado

Fri 4/24

5:35 am-8:46 pm

2 stops22h 11m

$593

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/7

6:40 pm-11:00 pm

1 stop21h 20m

Lisbon Humberto Delgado

Fri 4/17

7:20 am-4:30 pm

1 stop16h 10m

$595

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/13

11:45 am-2:35 pm

2 stops19h 50m

Lisbon Humberto Delgado

Tue 4/28

5:00 am-5:55 pm

2 stops19h 55m

$596

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 4/26

6:00 am-10:30 am

1 stop21h 30m

Lisbon Humberto Delgado

Wed 5/6

12:20 pm-7:20 pm

1 stop14h 00m

$597

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 4/14

5:45 am-8:00 am

2 stops19h 15m

Lisbon Humberto Delgado

Fri 4/24

5:35 am-9:27 pm

2 stops22h 52m

$598

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/13

10:28 am-11:25 pm

2 stops29h 57m

Lisbon Humberto Delgado

Wed 4/29

6:35 am-10:45 pm

2 stops23h 10m

$599

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 4/27

6:40 pm-3:45 pm

1 stop14h 05m

Lisbon Humberto Delgado

Wed 5/6

7:20 am-4:30 pm

1 stop16h 10m

$600

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 $888 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 $722 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of March 2026, prices for Denver to Lisbon flights are approximately 3% cheaper 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 39m
Direct flights	None

The fastest flight from Denver to Lisbon takes 11h 39m

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 39m, 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 March 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 7.1 617 reviews	Search Icelandair flights
British Airways	PriceFrom $555	Free Cancellation	Rating 6.7 7,774 reviews	Search British Airways flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 7,818 reviews	Search Lufthansa flights
United Airlines	PriceFrom $574	Free Cancellation	Rating 7.4 9,372 reviews	Search United Airlines flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,239 reviews	Search Delta flights
Turkish Airlines	PriceFrom $586	Free Cancellation	Rating 7.3 4,240 reviews	Search Turkish Airlines flights
Air Canada	PriceFrom $595	Free Cancellation	Rating 7.1 10,764 reviews	Search Air Canada flights
KLM	PriceFrom $599	Free Cancellation	Rating 7.7 1,461 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $603	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.1 11,370 reviews	Search American Airlines flights

Sintra

Ericeira

Fátima

Nazaré

Setúbal

Estoril

Peniche

Evora

Oeiras

Sesimbra

Leiria

Figueira da Foz

Tomar

Zambujeira do Mar

Batalha

Óbidos

Sines

Comporta

Torres Vedras

Almada

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 3/31

Tue 4/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Nearby airports

Airlines

Cabin classes

Other Portugal destinations

Other flights from Denver

Complete your trip

Feeling lucky

Airports servicing Portugal

Cheap flights from Denver to Lisbon from $275

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 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Denver to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Denver to Lisbon

Our best Delta deals on Denver to Lisbon flight tickets

British Airways flights from Denver to Lisbon

Our best British Airways deals on Denver to Lisbon flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Denver to Lisbon that are best for you.

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 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?

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

Airports servicing Portugal

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.

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Denver

According to popular flight searches on momondo this year

Complete your trip to Lisbon

Explore popular destinations other users love

According to popular flight searches on momondo this year