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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $713.

What airlines fly to Lisbon?

United Airlines, British Airways and Air Canada 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 53% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 10 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?

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

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

British Airways and United Airlines 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 Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 41m.

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.

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 2026, there are 10 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.

$271 Cheap Flights from Denver to Lisbon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Lisbon

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 9:40 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

25h 10m2 stops Toronto Pearson Intl Dublin

8:30 pm - 4:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

27h 20m2 stops Dublin Toronto Pearson Intl

$530Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

1:30 pm - 3:05 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 35m2 stops Toronto Pearson Intl Dublin

8:30 pm - 4:50 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

27h 20m2 stops Dublin Toronto Pearson Intl

$531Multiple Airlines

Sat, Dec 5 - Sat, Dec 12

3:40 pm - 12:50 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Reykjavik Keflavik Intl

11:35 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 25m1 stop Reykjavik Keflavik Intl

$614Icelandair

Wed, Jan 13 - Tue, Jan 19

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

11:35 am - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

13h 25m1 stop Reykjavik Keflavik Intl

$648Icelandair

Mon, Dec 7 - Tue, Jan 12

4:15 pm - 1:25 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 10m1 stop Munich Franz Josef Strauss

6:05 am - 2:30 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 25m1 stop Munich Franz Josef Strauss

$747Lufthansa

Tue, Feb 9 - Tue, Feb 16

8:15 am - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

18h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 6:06 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

37h 46m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$758Air Canada

Mon, Jan 25 - Tue, Feb 2

11:25 am - 9:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 55m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 am - 6:06 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

37h 46m2 stops Montreal Pierre Elliott Trudeau Intl Edmonton

$758Air Canada

Mon, Jan 25 - Tue, Feb 2

4:15 pm - 11:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

24h 15m1 stop Munich Franz Josef Strauss

6:05 am - 2:30 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 25m1 stop Munich Franz Josef Strauss

$758Lufthansa

Sun, Jan 31 - Tue, Feb 9

11:25 am - 6:55 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 30m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 1:40 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

15h 40m1 stop Frankfurt am Main

$760United Airlines

Wed, Dec 2 - Wed, Dec 9

4:11 pm - 10:05 amDEN Denver Intl-LIS Lisbon Humberto Delgado

10h 54m1 stop Washington, D.C. Dulles Intl

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$761United Airlines

Sun, Dec 6 - Tue, Dec 15

Cheap last minute flights

Enter your travel dates to find the best prices.

4:15 pm - 1:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Munich Franz Josef Strauss

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$408Lufthansa

Mon, Nov 9 - Tue, Nov 17

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

2:10 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

34h 50m1 stop Reykjavik Keflavik Intl

$611Icelandair

Mon, Nov 9 - Sun, Nov 22

3:40 pm - 12:45 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

1:55 pm - 6:00 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

35h 05m1 stop Reykjavik Keflavik Intl

$616Icelandair

Mon, Nov 9 - Tue, Nov 17

4:15 pm - 1:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Munich Franz Josef Strauss

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$784Lufthansa

Mon, Nov 9 - Tue, Nov 17

7:40 am - 10:20 amDEN Denver Intl-LIS Lisbon Humberto Delgado

19h 40m1 stop Washington, D.C. Dulles Intl

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$811United Airlines

Mon, Nov 9 - Tue, Nov 17

8:00 am - 8:10 amDEN Denver Intl-LIS Lisbon Humberto Delgado

17h 10m1 stop Newark

5:00 am - 3:35 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

17h 35m1 stop Frankfurt am Main

$811United Airlines

Sun, Nov 8 - Tue, Nov 17

4:15 pm - 1:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Munich Franz Josef Strauss

11:20 am - 12:45 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

32h 25m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$820Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

4:15 pm - 1:30 pmDEN Denver Intl-LIS Lisbon Humberto Delgado

14h 15m1 stop Munich Franz Josef Strauss

11:20 am - 12:45 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

32h 25m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$821Multiple Airlines

Mon, Nov 9 - Tue, Nov 17

12:38 pm - 8:00 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 22m1 stop New York John F Kennedy Intl

5:00 am - 8:20 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 20m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Mon, Nov 9 - Tue, Nov 17

12:38 pm - 8:00 amDEN Denver Intl-LIS Lisbon Humberto Delgado

12h 22m1 stop New York John F Kennedy Intl

5:00 am - 8:20 pmLIS Lisbon Humberto Delgado-DEN Denver Intl

22h 20m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Mon, Nov 9 - Tue, Nov 17

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Air Canada flights from Denver to Lisbon

Our best Air Canada deals on Denver to Lisbon flight tickets

Air Canada

Jan 25

DEN8:15 amDenver Intl

18h 05m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 2

LIS11:20 amLisbon Humberto Delgado

37h 46m

2 stops

DEN6:06 pmDenver Intl

$758

Air Canada

Dec 2

DEN11:25 amDenver Intl

12h 30m

1 stop

LIS6:55 amLisbon Humberto Delgado

Dec 11

LIS11:20 amLisbon Humberto Delgado

37h 58m

2 stops

DEN6:18 pmDenver Intl

$763

Air Canada

Dec 2

DEN6:00 amDenver Intl

17h 55m

2 stops

LIS6:55 amLisbon Humberto Delgado

Dec 15

LIS12:50 pmLisbon Humberto Delgado

37h 55m

2 stops

DEN7:45 pmDenver Intl

$767

Icelandair flights from Denver to Lisbon

Our best Icelandair deals on Denver to Lisbon flight tickets

Icelandair

Nov 9

DEN3:40 pmDenver Intl

14h 05m

1 stop

LIS12:45 pmLisbon Humberto Delgado

Nov 22

LIS2:10 pmLisbon Humberto Delgado

34h 50m

1 stop

DEN6:00 pmDenver Intl

$611

Icelandair

Nov 11

DEN3:40 pmDenver Intl

14h 10m

1 stop

LIS12:50 pmLisbon Humberto Delgado

Nov 17

LIS1:55 pmLisbon Humberto Delgado

35h 05m

1 stop

DEN6:00 pmDenver Intl

$614

Icelandair

Nov 9

DEN3:40 pmDenver Intl

14h 05m

1 stop

LIS12:45 pmLisbon Humberto Delgado

Nov 17

LIS1:55 pmLisbon Humberto Delgado

35h 05m

1 stop

DEN6:00 pmDenver Intl

$616

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 12/5

1:30 pm-9:40 pm

2 stops25h 10m

Lisbon Humberto Delgado

Sat 12/12

8:30 pm-4:50 pm

2 stops27h 20m

$530

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sat 12/5

1:30 pm-3:05 pm

2 stops18h 35m

Lisbon Humberto Delgado

Sat 12/12

8:30 pm-4:50 pm

2 stops27h 20m

$531

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 1/13

3:40 pm-12:50 pm

1 stop14h 10m

Lisbon Humberto Delgado

Tue 1/19

11:35 am-6:00 pm

1 stop13h 25m

$614

Quickest round-trip

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 12/7

3:40 pm-12:45 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 1/12

11:35 am-6:00 pm

1 stop13h 25m

$648

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Tue 2/9

4:15 pm-1:25 pm

1 stop14h 10m

Lisbon Humberto Delgado

Tue 2/16

6:05 am-2:30 pm

1 stop15h 25m

$747

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/25

8:15 am-9:20 am

2 stops18h 05m

Lisbon Humberto Delgado

Tue 2/2

11:20 am-6:06 pm

2 stops37h 46m

$758

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Mon 1/25

11:25 am-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Tue 2/2

11:20 am-6:06 pm

2 stops37h 46m

$758

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sun 1/31

4:15 pm-11:30 pm

1 stop24h 15m

Lisbon Humberto Delgado

Tue 2/9

6:05 am-2:30 pm

1 stop15h 25m

$758

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Wed 12/2

11:25 am-6:55 am

1 stop12h 30m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-1:40 pm

1 stop15h 40m

$760

DenverLisbon

DEN Denver Intl - LIS Lisbon Humberto Delgado

DENLIS

Denver Intl

Sun 12/6

4:11 pm-10:05 am

1 stop10h 54m

Lisbon Humberto Delgado

Tue 12/15

5:00 am-3:35 pm

1 stop17h 35m

$761

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?

Prices are currently low for flights on this route.

Typical prices usually range from $645 to $924.
The lowest price recently found on this route was $530.

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 $628. 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 from Denver 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 $955 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 $821 on momondo.

Can stopping save me money on Denver to Lisbon flights?

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

How have Denver to Lisbon flight prices changed over time?

As of November 2026, prices for Denver to Lisbon flights are approximately 5% 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

Best Price Found	$271
Fastest flight time	12h 50m
Direct flights	None

The best one-way flight to Lisbon from Denver in the past 72 hours is $271. The best round-trip flight deal from Denver to Lisbon found on momondo in the last 72 hours is $530.

The fastest flight from Denver to Lisbon takes 12h 50m

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

Search flight deals

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 50m, 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 2026, there are 10 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 18%, Air Canada with 12%, and Lufthansa with 10%.

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 6.9 766 reviews	Search Icelandair flights
Lufthansa	PriceFrom $560	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $575	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $576	Free Cancellation	Rating 7.3 10,459 reviews	Search United Airlines flights
British Airways	PriceFrom $598	Free Cancellation	Rating 6.7 8,279 reviews	Search British Airways flights
American Airlines	PriceFrom $630	Free Cancellation	Rating 7.0 12,229 reviews	Search American Airlines flights
KLM	PriceFrom $644	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Turkish Airlines	PriceFrom $651	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
Delta	PriceFrom $686	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
Air Canada	PriceFrom $708	Free Cancellation	Rating 7.1 11,850 reviews	Search Air Canada flights

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Figueira da Foz

Evora

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Fátima

Óbidos

Ericeira

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Leiria

Batalha

Sines

Costa da Caparica

Caldas da Rainha

Comporta

Oeiras

Peniche

Tomar

Torres Vedras

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.

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Cheap flights from Denver to Lisbon from $271

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 11/25. 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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Air Canada flights from Denver to Lisbon

Our best Air Canada deals on Denver to Lisbon flight tickets

Icelandair flights from Denver to Lisbon

Our best Icelandair deals on Denver to Lisbon flight tickets

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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 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 from Denver to Lisbon?

Can stopping save me money on Denver to Lisbon flights?

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

Best Price Found

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.

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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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.

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

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