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 offers the lowest fares from St. Louis to Lisbon?

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

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.

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

British Airways, Air France, and Air Canada are the most popular carriers operating from Lambert-St Louis to Lisbon Humberto Delgado

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.

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 September 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.

$360 Cheap Flights from St. Louis to Lisbon in 2026/27

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.

8:00 am - 10:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 05m1 stop Washington, D.C. Dulles Intl

12:50 pm - 9:52 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

39h 02m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$575United Airlines

Sun, Nov 1 - Tue, Nov 17

4:05 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

11h 15m1 stop Toronto Pearson Intl

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

34h 06m1 stop Toronto Pearson Intl

$578Multiple Airlines

Mon, Nov 30 - Wed, Dec 9

4:05 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

11h 15m1 stop Toronto Pearson Intl

12:50 pm - 12:22 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

29h 32m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$579Air Canada

Tue, Dec 1 - Tue, Dec 8

4:05 pm - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

11h 15m1 stop Toronto Pearson Intl

12:50 pm - 3:43 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

32h 53m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$579Air Canada

Mon, Nov 2 - Tue, Nov 17

4:05 pm - 10:40 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

12h 35m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

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

34h 06m1 stop Toronto Pearson Intl

$582Multiple Airlines

Mon, Nov 30 - Wed, Dec 9

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

10h 50m1 stop Toronto Pearson Intl

11:20 am - 12:10 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

30h 50m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$584United Airlines

Wed, Nov 11 - Wed, Nov 18

6:02 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

21h 03m1 stop Philadelphia

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

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

$589American Airlines

Tue, Nov 3 - Wed, Nov 11

6:02 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

21h 03m1 stop Philadelphia

8:20 am - 7:22 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

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

$589American Airlines

Tue, Nov 3 - Wed, Nov 11

1:15 pm - 12:05 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 50m2 stops Philadelphia London Heathrow

6:35 pm - 7:22 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

30h 47m2 stops London Heathrow Chicago O'Hare Intl

$606British Airways

Tue, Nov 3 - Mon, Nov 9

9:50 am - 9:50 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

30h 00m2 stops Boston Logan Intl London Heathrow

12:55 pm - 4:43 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

33h 48m2 stops London Heathrow Chicago O'Hare Intl

$607British Airways

Tue, Nov 3 - Mon, Nov 9

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United Airlines flights from St. Louis to Lisbon

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

United Airlines

Nov 1

STL8:00 amLambert-St Louis

20h 05m

1 stop

LIS10:05 amLisbon Humberto Delgado

Nov 17

LIS12:50 pmLisbon Humberto Delgado

39h 02m

2 stops

STL9:52 pmLambert-St Louis

$575

United Airlines

Nov 11

STL4:05 pmLambert-St Louis

10h 50m

1 stop

LIS8:55 amLisbon Humberto Delgado

Nov 18

LIS11:20 amLisbon Humberto Delgado

30h 50m

2 stops

STL12:10 pmLambert-St Louis

$584

United Airlines

Nov 1

STL8:00 amLambert-St Louis

20h 05m

1 stop

LIS10:05 amLisbon Humberto Delgado

Nov 17

LIS11:20 amLisbon Humberto Delgado

34h 06m

1 stop

STL3:26 pmLambert-St Louis

$593

Air Canada flights from St. Louis to Lisbon

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

Air Canada

Nov 2

STL4:05 pmLambert-St Louis

11h 15m

1 stop

LIS9:20 amLisbon Humberto Delgado

Nov 17

LIS12:50 pmLisbon Humberto Delgado

32h 53m

2 stops

STL3:43 pmLambert-St Louis

$579

Air Canada

Nov 2

STL10:53 amLambert-St Louis

16h 27m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 17

LIS11:20 amLisbon Humberto Delgado

34h 23m

2 stops

STL3:43 pmLambert-St Louis

$588

Air Canada

Nov 21

STL5:34 pmLambert-St Louis

33h 46m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 3

LIS10:55 amLisbon Humberto Delgado

31h 27m

2 stops

STL12:22 pmLambert-St Louis

$654

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 11/1

8:00 am-10:05 am

1 stop20h 05m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-9:52 pm

2 stops39h 02m

$575

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/30

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-3:26 pm

1 stop34h 06m

$578

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 12/1

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Tue 12/8

12:50 pm-12:22 pm

2 stops29h 32m

$579

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/2

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Tue 11/17

12:50 pm-3:43 pm

2 stops32h 53m

$579

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/30

4:05 pm-10:40 am

2 stops12h 35m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-3:26 pm

1 stop34h 06m

$582

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

11:20 am-12:10 pm

2 stops30h 50m

$584

Quickest round-trip

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 11/3

6:02 am-9:05 am

1 stop21h 03m

Lisbon Humberto Delgado

Wed 11/11

8:20 am-6:17 pm

2 stops15h 57m

$589

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 11/3

6:02 am-9:05 am

1 stop21h 03m

Lisbon Humberto Delgado

Wed 11/11

8:20 am-7:22 pm

2 stops17h 02m

$589

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 11/3

1:15 pm-12:05 pm

2 stops16h 50m

Lisbon Humberto Delgado

Mon 11/9

6:35 pm-7:22 pm

2 stops30h 47m

$606

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 11/3

9:50 am-9:50 pm

2 stops30h 00m

Lisbon Humberto Delgado

Mon 11/9

12:55 pm-4:43 pm

2 stops33h 48m

$607

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 $924 to $2,197.
The lowest price recently found on this route was $575.

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 $754.

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 $1,122 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 $594 on momondo.

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

You could potentially save up to 42% 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	$360
Fastest flight time	10h 50m
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is $360. The best round-trip flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is $575.

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 September 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 (38% of total bookings). The next most popular airlines are Air Canada (22%), American Airlines (13%), and British Airways (9%).

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 7.0 12,074 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,592 reviews	Search Delta flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 8,225 reviews	Search British Airways flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,239 reviews	Search Lufthansa flights
United Airlines	PriceFrom $610	Free Cancellation	Rating 7.4 10,225 reviews	Search United Airlines flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,656 reviews	Search Air Canada flights

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Evora

Fátima

Óbidos

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Ericeira

Sesimbra

Zambujeira do Mar

Caldas da Rainha

Oeiras

Costa da Caparica

Comporta

Tomar

Colares

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.

An easier way to manage your Lisbon trip

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Cheap flights from St. Louis to Lisbon from $360

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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United Airlines flights from St. Louis to Lisbon

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

Air Canada flights from St. Louis to Lisbon

Our best Air Canada 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

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

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

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