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.

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

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

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

Munich (MUC) has the shortest average layover time for this route: 1h 17m.

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

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

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

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 24m.

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

New York (JFK) was the most common stop: 16% 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 November 2025, 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.

$245 Cheap Flights from Denver to Lisbon in 2025/26

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 $606 to $912. The lowest price recently found on this route was $562.

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.

12:45 pm - 8:10 amDEN-LIS

12h 25m1 stop

2:10 pm - 2:35 pmLIS-DEN

31h 25m1 stop

$562Multiple Airlines

Find Deal

Mon, Nov 17 - Tue, Dec 2

5:30 pm - 9:20 amDEN-LIS

32h 50m1 stop

3:55 pm - 4:00 pmLIS-DEN

31h 05m1 stop

$563Multiple Airlines

Find Deal

Sat, Jan 31 - Mon, Feb 16

4:20 pm - 11:30 pmDEN-LIS

24h 10m1 stop

2:10 pm - 2:35 pmLIS-DEN

31h 25m1 stop

$564Lufthansa

Find Deal

Mon, Nov 17 - Tue, Dec 2

11:47 am - 8:00 amDEN-LIS

13h 13m1 stop

5:00 am - 11:45 pmLIS-DEN

25h 45m2 stops

$565Delta

Find Deal

Sun, Nov 16 - Thu, Dec 4

5:25 pm - 11:30 pmDEN-LIS

23h 05m2 stops

5:00 am - 12:15 amLIS-DEN

26h 15m2 stops

$567Lufthansa

Find Deal

Tue, Nov 18 - Wed, Dec 3

9:35 am - 10:15 amDEN-LIS

17h 40m1 stop

12:20 pm - 4:00 pmLIS-DEN

34h 40m1 stop

$570United Airlines

Find Deal

Sun, Nov 16 - Tue, Dec 2

11:47 am - 8:00 amDEN-LIS

13h 13m1 stop

11:25 am - 10:01 amLIS-DEN

29h 36m2 stops

$571Delta

Find Deal

Sun, Nov 16 - Fri, Dec 5

12:45 pm - 10:15 amDEN-LIS

14h 30m2 stops

12:20 pm - 4:00 pmLIS-DEN

34h 40m1 stop

$574United Airlines

Find Deal

Sun, Nov 16 - Tue, Dec 2

7:21 pm - 9:20 amDEN-LIS

30h 59m2 stops

10:55 am - 10:32 amLIS-DEN

30h 37m2 stops

$587Air Canada

Find Deal

Sun, Nov 16 - Thu, Dec 4

5:30 pm - 9:20 amDEN-LIS

32h 50m2 stops

11:20 am - 6:07 pmLIS-DEN

37h 47m2 stops

$596Air Canada

Find Deal

Mon, Dec 29 - Tue, Jan 13

Air Canada flights from Denver to Lisbon

Our best Air Canada deals on Denver to Lisbon flight tickets

Air Canada

Nov 16

DEN7:25 pmDenver Intl

30h 55m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 4

LIS10:55 amLisbon Humberto Delgado

38h 11m

2 stops

DEN6:06 pmDenver Intl

$577

Find similar

Air Canada

Nov 16

DEN7:21 pmDenver Intl

30h 59m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 4

LIS10:55 amLisbon Humberto Delgado

30h 37m

2 stops

DEN10:32 amDenver Intl

$587

Find similar

Air Canada

Dec 29

DEN5:30 pmDenver Intl

32h 50m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 13

LIS11:20 amLisbon Humberto Delgado

37h 47m

2 stops

DEN6:07 pmDenver Intl

$596

Find similar

Lufthansa flights from Denver to Lisbon

Our best Lufthansa deals on Denver to Lisbon flight tickets

Lufthansa

Nov 17

DEN4:20 pmDenver Intl

24h 10m

1 stop

LIS11:30 pmLisbon Humberto Delgado

Dec 2

LIS2:10 pmLisbon Humberto Delgado

31h 25m

1 stop

DEN2:35 pmDenver Intl

$564

Find similar

Lufthansa

Nov 18

DEN5:25 pmDenver Intl

23h 05m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Dec 3

LIS5:00 amLisbon Humberto Delgado

26h 15m

2 stops

DEN12:15 amDenver Intl

$567

Find similar

Lufthansa

Nov 17

DEN4:05 pmDenver Intl

24h 25m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Dec 2

LIS2:10 pmLisbon Humberto Delgado

31h 25m

1 stop

DEN2:35 pmDenver Intl

$568

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 11/17

12:45 pm-8:10 am

1 stop12h 25m

Lisbon Humberto Delgado

Tue 12/2

2:10 pm-2:35 pm

1 stop31h 25m

$562

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sat 1/31

5:30 pm-9:20 am

1 stop32h 50m

Lisbon Humberto Delgado

Mon 2/16

3:55 pm-4:00 pm

1 stop31h 05m

$563

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 11/17

4:20 pm-11:30 pm

1 stop24h 10m

Lisbon Humberto Delgado

Tue 12/2

2:10 pm-2:35 pm

1 stop31h 25m

$564

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

11:47 am-8:00 am

1 stop13h 13m

Lisbon Humberto Delgado

Thu 12/4

5:00 am-11:45 pm

2 stops25h 45m

$565

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Tue 11/18

5:25 pm-11:30 pm

2 stops23h 05m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-12:15 am

2 stops26h 15m

$567

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

9:35 am-10:15 am

1 stop17h 40m

Lisbon Humberto Delgado

Tue 12/2

12:20 pm-4:00 pm

1 stop34h 40m

$570

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

11:47 am-8:00 am

1 stop13h 13m

Lisbon Humberto Delgado

Fri 12/5

11:25 am-10:01 am

2 stops29h 36m

$571

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

12:45 pm-10:15 am

2 stops14h 30m

Lisbon Humberto Delgado

Tue 12/2

12:20 pm-4:00 pm

1 stop34h 40m

$574

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Sun 11/16

7:21 pm-9:20 am

2 stops30h 59m

Lisbon Humberto Delgado

Thu 12/4

10:55 am-10:32 am

2 stops30h 37m

$587

DenverLisbon

DEN - LIS

DENLIS

Denver Intl

Mon 12/29

5:30 pm-9:20 am

2 stops32h 50m

Lisbon Humberto Delgado

Tue 1/13

11:20 am-6:07 pm

2 stops37h 47m

$596

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 $740. If you are unable to visit Lisbon during the month of January, then departing from Denver during the month November is also very affordable. Most momondo users find prices during this month for around $765.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Lisbon for around $1,154.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $995. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,110 on average. Flights to Lisbon from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $952 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 $824 on momondo.

How have Denver to Lisbon flight prices changed over time?

As of November 2025, prices for Denver to Lisbon flights are approximately 2% 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

Direct flights	None

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 12h 25m, 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 November 2025, 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 45% of the total bookings. Other popular airlines include British Airways with 12%, Lufthansa with 11%, and Air Canada with 6%.

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 7.1 571 reviews	Search Icelandair flights
Virgin Atlantic	PriceFrom $539	Free Cancellation	Rating 7.5 672 reviews	Search Virgin Atlantic flights
Turkish Airlines	PriceFrom $555	Free Cancellation	Rating 7.3 4,031 reviews	Search Turkish Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Lufthansa	PriceFrom $567	Free Cancellation	Rating 6.8 7,555 reviews	Search Lufthansa flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
British Airways	PriceFrom $588	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 10,410 reviews	Search Air Canada flights
KLM	PriceFrom $599	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights

Sintra

Fátima

Ericeira

Nazaré

Oeiras

Setúbal

Peniche

Estoril

Leiria

Sesimbra

Tomar

Almada

Evora

Zambujeira do Mar

Figueira da Foz

Batalha

Óbidos

Torres Vedras

Comporta

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

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

Sat 12/6

Sat 12/13

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

Airports servicing Portugal

Cheap flights from Denver to Lisbon from $245

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 2/1. 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

Air Canada flights from Denver to Lisbon

Our best Air Canada deals on Denver to Lisbon flight tickets

Lufthansa flights from Denver to Lisbon

Our best Lufthansa 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

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

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

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $950. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Lisbon for around $1,154.

What is the cheapest time of day to depart on your flight to Lisbon?

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

How have Denver to Lisbon flight prices changed over time?

As of November 2025, prices for Denver to Lisbon flights are approximately 2% cheaper when compared to flights at the same time last year.

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

Icelandair, British Airways, and American Airlines are the most popular carriers operating 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?

New York (JFK) was the most common stop: 16% 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 $601.

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

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 24m.

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

Munich (MUC) has the shortest average layover time for this route: 1h 17m.

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

Direct flights

How far is Denver Intl to Lisbon Humberto Delgado by plane?

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

How many operators does momondo search 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?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular airline 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?

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

Airports servicing Portugal