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 45% 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.

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

Philadelphia (PHL) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

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

British Airways and United Airlines 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.

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.

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 October 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.

$361 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

11h 15m1 stop Toronto Pearson Intl

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

14h 45m1 stop Frankfurt am Main

$735Multiple Airlines

Mon, Nov 23 - Wed, Dec 9

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

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

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

14h 45m1 stop Frankfurt am Main

$736Multiple Airlines

Mon, Nov 23 - Wed, Dec 9

1:18 pm - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

12h 52m2 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

$751United Airlines

Wed, Dec 2 - Wed, Dec 9

1:17 pm - 10:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 03m1 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

$751United Airlines

Wed, Dec 2 - Wed, Dec 9

6:45 pm - 10:50 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

22h 05m2 stops Chicago O'Hare Intl Frankfurt am Main

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

14h 45m1 stop Frankfurt am Main

$753Lufthansa

Wed, Jan 6 - Wed, Jan 13

6:30 am - 6:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

18h 25m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 12:22 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

31h 02m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$762Air Canada

Wed, Dec 2 - Wed, Dec 9

10:45 am - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 35m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:25 am - 3:38 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

34h 13m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$774Air Canada

Mon, Jan 18 - Fri, Apr 30

6:00 am - 8:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 55m1 stop Philadelphia

11:05 am - 9:09 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

16h 04m1 stop Philadelphia

$779American Airlines

Wed, Feb 10 - Tue, Feb 16

6:45 pm - 11:30 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

22h 45m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:05 am - 1:25 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

14h 20m1 stop Frankfurt am Main

$790Lufthansa

Mon, Jan 18 - Fri, Apr 30

6:00 am - 8:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 55m1 stop Philadelphia

11:05 am - 8:31 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

15h 26m1 stop Philadelphia

$804American Airlines

Wed, Jan 6 - Wed, Jan 13

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Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets

Lufthansa

Jan 6

STL6:45 pmLambert-St Louis

22h 05m

2 stops

LIS10:50 pmLisbon Humberto Delgado

Jan 13

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$753

Lufthansa

Jan 18

STL6:45 pmLambert-St Louis

22h 45m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Apr 30

LIS5:05 amLisbon Humberto Delgado

14h 20m

1 stop

STL1:25 pmLambert-St Louis

$790

Lufthansa

Nov 2

STL11:29 amLambert-St Louis

14h 41m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 9

LIS11:55 amLisbon Humberto Delgado

13h 35m

1 stop

STL7:30 pmLambert-St Louis

$1,033

Virgin Atlantic flights from St. Louis to Lisbon

Our best Virgin Atlantic deals on St. Louis to Lisbon flight tickets

Virgin Atlantic

Nov 23

STL1:41 pmLambert-St Louis

13h 19m

2 stops

LIS9:00 amLisbon Humberto Delgado

Dec 9

LIS11:15 amLisbon Humberto Delgado

42h 11m

2 stops

STL11:26 pmLambert-St Louis

$738

Virgin Atlantic

Nov 23

STL1:41 pmLambert-St Louis

13h 19m

2 stops

LIS9:00 amLisbon Humberto Delgado

Dec 9

LIS11:15 amLisbon Humberto Delgado

36h 58m

2 stops

STL6:13 pmLambert-St Louis

$746

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/23

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-1:45 pm

1 stop14h 45m

$735

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/23

4:05 pm-10:40 am

2 stops12h 35m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-1:45 pm

1 stop14h 45m

$736

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 12/2

1:18 pm-8:10 am

2 stops12h 52m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-1:45 pm

1 stop14h 45m

$751

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 12/2

1:17 pm-10:20 am

1 stop15h 03m

Lisbon Humberto Delgado

Wed 12/9

5:00 am-1:45 pm

1 stop14h 45m

$751

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 1/6

6:45 pm-10:50 pm

2 stops22h 05m

Lisbon Humberto Delgado

Wed 1/13

5:00 am-1:45 pm

1 stop14h 45m

$753

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 12/2

6:30 am-6:55 am

2 stops18h 25m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-12:22 pm

2 stops31h 02m

$762

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 1/18

10:45 am-9:20 am

2 stops16h 35m

Lisbon Humberto Delgado

Fri 4/30

11:25 am-3:38 pm

2 stops34h 13m

$774

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 2/10

6:00 am-8:55 am

1 stop20h 55m

Lisbon Humberto Delgado

Tue 2/16

11:05 am-9:09 pm

1 stop16h 04m

$779

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 1/18

6:45 pm-11:30 pm

2 stops22h 45m

Lisbon Humberto Delgado

Fri 4/30

5:05 am-1:25 pm

1 stop14h 20m

$790

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 1/6

6:00 am-8:55 am

1 stop20h 55m

Lisbon Humberto Delgado

Wed 1/13

11:05 am-8:31 pm

1 stop15h 26m

$804

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 $854 to $1,177.
The lowest price recently found on this route was $735.

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 February is also very affordable. Most momondo users find prices during this month for around $760.

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 $1,132 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 34% 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	$361
Fastest flight time	11h 15m
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is $361. The best round-trip flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is $735.

The fastest flight from St. Louis to Lisbon takes 11h 15m

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 11h 15m.
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 October 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 (14%), and British Airways (10%).

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 12,191 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,668 reviews	Search Delta flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 8,268 reviews	Search British Airways flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,295 reviews	Search Lufthansa flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,794 reviews	Search Air Canada flights
United Airlines	PriceFrom $707	Free Cancellation	Rating 7.3 10,411 reviews	Search United Airlines flights

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Fátima

Óbidos

Ericeira

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Batalha

Leiria

Sines

Caldas da Rainha

Comporta

Oeiras

Costa da Caparica

Tomar

Torres Vedras

Beja

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 $361

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 3/22. 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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Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets

Virgin Atlantic flights from St. Louis to Lisbon

Our best Virgin Atlantic 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

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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