Which airport is the most popular layover for flights between St. Louis and Lisbon?

Frankfurt am Main (FRA) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from St. Louis to Lisbon?

Flights connecting via New York (JFK) have the shortest average one-way travel time: 10h 30m.

Which layover airport has the shortest connection time from St. Louis to Lisbon?

New York (JFK) has the shortest average layover time for this route: 1h 21m.

What airlines fly to Lisbon?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Lisbon from St. Louis according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 6 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 St. Louis to Lisbon?

Flights via New York (JFK) offer the lowest average round-trip price of $605.

What is the cheapest airline that flies from Lambert-St Louis to Lisbon Humberto Delgado?

Air Canada, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Lisbon Humberto Delgado

When did momondo last update prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?

There are 6 operators available for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport as of August 2026.

How old do you have to be to fly from Lambert-St Louis 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 Lambert-St Louis Airport to Lisbon Humberto Delgado Airport.

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

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$348 Cheap Flights from St. Louis to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:10 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 10m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 am - 3:26 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

34h 06m1 stop Toronto Pearson Intl

$670Air Canada

Sun, Oct 18 - Tue, Nov 3

4:05 pm - 8:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

10h 50m1 stop Toronto Pearson Intl

5:00 am - 1:45 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

$715Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

1:15 pm - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

13h 50m1 stop Philadelphia

6:50 pm - 9:30 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

20h 40m2 stops Madrid Barajas Dallas/Fort Worth

$719Iberia

Mon, Nov 9 - Mon, Nov 16

1:08 pm - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

13h 02m2 stops Chicago O'Hare Intl Newark

5:00 am - 1:45 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

$724United Airlines

Wed, Nov 11 - Wed, Nov 18

1:00 pm - 10:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 20m1 stop Washington, D.C. Dulles Intl

5:00 am - 1:45 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

$724United Airlines

Wed, Nov 4 - Wed, Nov 11

9:40 pm - 12:55 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

33h 15m1 stop London Heathrow

8:20 am - 6:17 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

15h 57m2 stops Madrid Barajas Chicago O'Hare Intl

$727American Airlines

Sun, Oct 18 - Tue, Nov 3

4:05 pm - 8:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

10h 50m1 stop Toronto Pearson Intl

12:50 pm - 12:10 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

29h 20m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$730Air Canada

Wed, Nov 4 - Tue, Nov 17

7:04 pm - 11:30 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

22h 26m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:00 am - 9:13 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

22h 13m2 stops Frankfurt am Main Chicago O'Hare Intl

$735Lufthansa

Tue, Feb 16 - Tue, Feb 23

5:31 pm - 2:55 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 24m2 stops Chicago O'Hare Intl London Heathrow

6:30 am - 6:17 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 47m2 stops Madrid Barajas Chicago O'Hare Intl

$737American Airlines

Wed, Nov 11 - Wed, Nov 18

3:40 pm - 11:35 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

13h 55m1 stop Frankfurt am Main

5:00 am - 1:45 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

$787Lufthansa

Fri, Nov 6 - Fri, Nov 13

Cheap last minute flights

Enter your travel dates to find the best prices.

11:00 am - 8:50 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

11:55 am - 11:42 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 47m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,430Multiple Airlines

Fri, Aug 28 - Thu, Sep 10

11:22 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 43m1 stop Philadelphia

8:25 am - 7:27 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 02m2 stops Madrid Barajas Chicago O'Hare Intl

$1,448American Airlines

Thu, Aug 27 - Thu, Sep 3

8:48 am - 11:15 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 27m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:00 am - 4:17 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 17m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,449Delta

Thu, Aug 27 - Thu, Sep 3

11:22 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 43m1 stop Philadelphia

11:05 am - 11:34 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

18h 29m1 stop Philadelphia

$1,456Iberia

Thu, Aug 27 - Thu, Sep 3

2:40 pm - 11:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 25m1 stop Toronto Pearson Intl

1:00 pm - 8:20 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

13h 20m1 stop Toronto Pearson Intl

$1,515Air Canada

Fri, Aug 28 - Thu, Sep 10

12:59 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 21m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:25 am - 6:41 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

13h 16m1 stop Montreal Pierre Elliott Trudeau Intl

$1,551Air Canada

Fri, Aug 28 - Thu, Sep 10

11:22 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 43m1 stop Philadelphia

7:20 am - 10:41 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

21h 21m2 stops London Heathrow Dallas/Fort Worth

$1,559British Airways

Thu, Aug 27 - Thu, Sep 3

12:10 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 10m1 stop Montreal Pierre Elliott Trudeau Intl

7:25 am - 1:25 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

36h 00m1 stop Frankfurt am Main

$2,540Lufthansa

Wed, Aug 26 - Mon, Sep 7

12:10 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 10m1 stop Montreal Pierre Elliott Trudeau Intl

7:25 am - 1:25 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

36h 00m1 stop Frankfurt am Main

$2,541Lufthansa

Wed, Aug 26 - Mon, Sep 7

11:22 am - 2:10 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 48m2 stops Philadelphia London Heathrow

6:45 pm - 4:20 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

27h 35m2 stops London Heathrow Chicago O'Hare Intl

$2,709British Airways

Wed, Aug 26 - Mon, Sep 7

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Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets

Air Canada

Oct 18

STL12:10 pmLambert-St Louis

15h 10m

1 stop

LIS9:20 amLisbon Humberto Delgado

Nov 3

LIS11:20 amLisbon Humberto Delgado

34h 06m

1 stop

STL3:26 pmLambert-St Louis

$670

Air Canada

Nov 4

STL4:05 pmLambert-St Louis

10h 50m

1 stop

LIS8:55 amLisbon Humberto Delgado

Nov 17

LIS12:50 pmLisbon Humberto Delgado

29h 20m

2 stops

STL12:10 pmLambert-St Louis

$730

Air Canada

Nov 4

STL4:05 pmLambert-St Louis

10h 50m

1 stop

LIS8:55 amLisbon Humberto Delgado

Nov 10

LIS11:20 amLisbon Humberto Delgado

34h 06m

1 stop

STL3:26 pmLambert-St Louis

$760

United Airlines flights from St. Louis to Lisbon

Our best United Airlines deals on St. Louis to Lisbon flight tickets

United Airlines

Nov 4

STL1:00 pmLambert-St Louis

15h 20m

1 stop

LIS10:20 amLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$724

United Airlines

Nov 4

STL9:59 amLambert-St Louis

14h 56m

2 stops

LIS6:55 amLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$727

United Airlines

Nov 11

STL10:53 amLambert-St Louis

14h 02m

2 stops

LIS6:55 amLisbon Humberto Delgado

Nov 18

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$728

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Sun 10/18

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Tue 11/3

11:20 am-3:26 pm

1 stop34h 06m

$670

Quickest round-trip

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/11

4:05 pm-8:55 am

1 stop10h 50m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-1:45 pm

1 stop14h 45m

$715

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/9

1:15 pm-9:05 am

1 stop13h 50m

Lisbon Humberto Delgado

Mon 11/16

6:50 pm-9:30 am

2 stops20h 40m

$719

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/11

1:08 pm-8:10 am

2 stops13h 02m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-1:45 pm

1 stop14h 45m

$724

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

1:00 pm-10:20 am

1 stop15h 20m

Lisbon Humberto Delgado

Wed 11/11

5:00 am-1:45 pm

1 stop14h 45m

$724

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Sun 10/18

9:40 pm-12:55 pm

1 stop33h 15m

Lisbon Humberto Delgado

Tue 11/3

8:20 am-6:17 pm

2 stops15h 57m

$727

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

4:05 pm-8:55 am

1 stop10h 50m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-12:10 pm

2 stops29h 20m

$730

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 2/16

7:04 pm-11:30 pm

2 stops22h 26m

Lisbon Humberto Delgado

Tue 2/23

5:00 am-9:13 pm

2 stops22h 13m

$735

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/11

5:31 pm-2:55 pm

2 stops15h 24m

Lisbon Humberto Delgado

Wed 11/18

6:30 am-6:17 pm

2 stops17h 47m

$737

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Fri 11/6

3:40 pm-11:35 am

1 stop13h 55m

Lisbon Humberto Delgado

Fri 11/13

5:00 am-1:45 pm

1 stop14h 45m

$787

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 St. Louis 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 St. Louis and Lisbon?

Prices are currently low for flights on this route.

Typical prices usually range from $1,076 to $2,391.
The lowest price recently found on this route was $715.

What is the cheapest month to fly to Lisbon?

In general, April is the cheapest month to fly from St. Louis to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $587. If you are unable to visit Lisbon during the month of April, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $682.

How far in advance should I book a flight from St. Louis to Lisbon?

You are more likely to see cheaper flights to Lisbon from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from St. Louis for as low as $624 on momondo.

Can stopping save me money on St. Louis to Lisbon flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Lisbon flight.

When to book flights from St. Louis to Lisbon

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

Estimated round-trip price

Cheap St. Louis to Lisbon (STL to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Lisbon

Best Price Found	$348
Fastest flight time	10h 50m
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is $348. The best round-trip flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is $670.

The fastest flight from St. Louis to Lisbon takes 10h 50m

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

Search flight deals

Frequently asked questions about flying from St. Louis to Lisbon

How far is Lambert-St Louis to Lisbon Humberto Delgado by plane?
The distance between Lambert-St Louis and Lisbon Humberto Delgado is about 4210.2 mi. A reasonable flight in good conditions will take 10h 50m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport?
There are 6 operators available for flights from Lambert-St Louis Airport to Lisbon Humberto Delgado Airport as of August 2026.
How old do you have to be to fly from Lambert-St Louis 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 Lambert-St Louis Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Lisbon?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Lisbon is United Airlines (37% of total bookings). The next most popular airlines are Air Canada (22%), American Airlines (13%), and Lufthansa (11%).

Best airlines flying from St. Louis to Lisbon

Compare and see reviews for airlines that fly from St. Louis to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $502	Free Cancellation	Rating 7.1 11,981 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,515 reviews	Search Delta flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 8,186 reviews	Search British Airways flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,211 reviews	Search Lufthansa flights
United Airlines	PriceFrom $610	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,522 reviews	Search Air Canada flights

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Ericeira

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Peniche

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Sesimbra

Zambujeira do Mar

Comporta

Sines

Caldas da Rainha

Costa da Caparica

Tomar

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Lisbon?

It is quick and easy to find St. Louis to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

Can I find flights from St. Louis to Lisbon with flexible booking policies on momondo?

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

How can momondo help me find flights from St. Louis to Lisbon?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from St. Louis.

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

Yes momondo offers price alerts on flights to Lisbon from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from St. Louis to Lisbon from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lisbon departing on 1/12. 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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Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets

United Airlines flights from St. Louis to Lisbon

Our best United Airlines deals on St. Louis to Lisbon flight tickets

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How to get the cheapest flight ticket from St. Louis to Lisbon

What is the typical price of a round-trip flight between St. Louis and Lisbon?

What is the cheapest month to fly to Lisbon?

How far in advance should I book a flight from St. Louis to Lisbon?

Can stopping save me money on St. Louis to Lisbon flights?

What is the cheapest airline that flies from Lambert-St Louis to Lisbon Humberto Delgado?

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between St. Louis and Lisbon?

Which layover airport offers the lowest fares from St. Louis to Lisbon?

Which layover airport has the shortest travel time from St. Louis to Lisbon?

Which layover airport has the shortest connection time from St. Louis to Lisbon?

When to book flights from St. Louis to Lisbon

Cheap St. Louis to Lisbon (STL to LIS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Lisbon

Best airlines flying from St. Louis to Lisbon

Compare and see reviews for airlines that fly from St. Louis to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

An easier way to manage your Lisbon trip

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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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