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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 48m.

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

Flights via Toronto (YYZ) offer the lowest average round-trip price of $1,103.

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

Philadelphia (PHL) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via London (LHR) have the shortest average one-way travel time: 12h 20m.

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

United Airlines, Iberia, and British Airways 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 November 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.

$366 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.

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

$736Air Canada

Mon, Nov 30 - Wed, Dec 16

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

$746Multiple Airlines

Mon, Nov 30 - Wed, Dec 16

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

18h 15m2 stops Chicago O'Hare 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

$747Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

3:40 pm - 2:50 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

17h 10m1 stop Frankfurt am Main

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

14h 45m1 stop Frankfurt am Main

$757Lufthansa

Wed, Jan 20 - Wed, Jan 27

7:10 pm - 11:30 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

22h 20m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:00 am - 9:23 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

22h 23m2 stops Frankfurt am Main Chicago O'Hare Intl

$760Lufthansa

Tue, Feb 16 - Tue, Feb 23

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

$761United Airlines

Wed, Dec 2 - Wed, Dec 9

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

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

14h 45m1 stop Frankfurt am Main

$764United Airlines

Wed, Dec 2 - Wed, Dec 9

5:51 pm - 5:45 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

17h 54m2 stops Chicago O'Hare Intl London Heathrow

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

15h 26m1 stop Philadelphia

$766British Airways

Tue, Feb 9 - Tue, Feb 16

10:50 am - 6:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 05m2 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

$772Air Canada

Wed, Dec 2 - Wed, Dec 9

12:53 pm - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 12m1 stop Philadelphia

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

15h 26m1 stop Philadelphia

$777British Airways

Tue, Mar 2 - Tue, Mar 9

Cheap last minute flights

Enter your travel dates to find the best prices.

9:59 am - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 11m1 stop Newark

11:20 am - 10:32 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

29h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$819United Airlines

Wed, Nov 4 - Tue, Nov 17

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

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

11:20 am - 3:43 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

34h 23m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$819United Airlines

Wed, Nov 4 - Tue, Nov 17

7:30 am - 10:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 50m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

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

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

$823United Airlines

Wed, Nov 4 - Tue, Nov 17

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

13h 02m2 stops Chicago O'Hare Intl Newark

11:20 am - 10:32 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

29h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$823United Airlines

Wed, Nov 4 - Tue, Nov 17

10:35 am - 3:10 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

22h 35m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 9:42 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

22h 42m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$826Delta

Wed, Nov 4 - Tue, Nov 17

10:55 am - 12:50 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

19h 55m3 stops Chicago Midway Baltimore/Washington Reykjavik Keflavik Intl

1:55 pm - 9:30 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

49h 35m2 stops Reykjavik Keflavik Intl Minneapolis St Paul

$2,491Multiple Airlines

Wed, Nov 4 - Tue, Nov 17

8:25 pm - 12:45 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

34h 20m2 stops Baltimore/Washington Reykjavik Keflavik Intl

1:45 pm - 9:05 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

49h 20m2 stops Reykjavik Keflavik Intl Minneapolis St Paul

$3,250Multiple Airlines

Sun, Nov 8 - Thu, Nov 19

4:40 pm - 12:45 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

38h 05m3 stops Charlotte Douglas Baltimore/Washington Reykjavik Keflavik Intl

1:45 pm - 9:05 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

49h 20m2 stops Reykjavik Keflavik Intl Minneapolis St Paul

$3,259Multiple Airlines

Sun, Nov 8 - Thu, Nov 19

11:28 am - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 42m1 stop Newark

6:05 am - 4:59 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

16h 54m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$4,915Lufthansa

Sun, Nov 8 - Thu, Nov 19

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

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

12:20 pm - 7:30 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

13h 10m1 stop Washington, D.C. Dulles Intl

$7,545Lufthansa

Sun, Nov 8 - Thu, Nov 19

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Lufthansa flights from St. Louis to Lisbon

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

Lufthansa

Jan 20

STL3:40 pmLambert-St Louis

17h 10m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Jan 27

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$757

Lufthansa

Feb 16

STL7:10 pmLambert-St Louis

22h 20m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Feb 23

LIS5:00 amLisbon Humberto Delgado

22h 23m

2 stops

STL9:23 pmLambert-St Louis

$760

Lufthansa

Nov 8

STL11:28 amLambert-St Louis

14h 42m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 19

LIS6:05 amLisbon Humberto Delgado

16h 54m

2 stops

STL4:59 pmLambert-St Louis

$4,915

United Airlines flights from St. Louis to Lisbon

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

United Airlines

Dec 2

STL1:17 pmLambert-St Louis

15h 03m

1 stop

LIS10:20 amLisbon Humberto Delgado

Dec 9

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$761

United Airlines

Feb 2

STL11:00 amLambert-St Louis

15h 10m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 9

LIS11:20 amLisbon Humberto Delgado

33h 08m

2 stops

STL2:28 pmLambert-St Louis

$769

United Airlines

Feb 22

STL9:52 amLambert-St Louis

16h 18m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 26

LIS5:00 amLisbon Humberto Delgado

14h 45m

1 stop

STL1:45 pmLambert-St Louis

$791

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

Mon 11/30

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 12/16

11:20 am-3:26 pm

1 stop34h 06m

$736

Quickest round-trip

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 12/16

5:00 am-1:45 pm

1 stop14h 45m

$746

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 1/20

9:05 am-9:20 am

2 stops18h 15m

Lisbon Humberto Delgado

Wed 1/27

5:00 am-1:45 pm

1 stop14h 45m

$747

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 1/20

3:40 pm-2:50 pm

1 stop17h 10m

Lisbon Humberto Delgado

Wed 1/27

5:00 am-1:45 pm

1 stop14h 45m

$757

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 2/16

7:10 pm-11:30 pm

2 stops22h 20m

Lisbon Humberto Delgado

Tue 2/23

5:00 am-9:23 pm

2 stops22h 23m

$760

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

$761

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

5:00 am-1:45 pm

1 stop14h 45m

$764

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 2/9

5:51 pm-5:45 pm

2 stops17h 54m

Lisbon Humberto Delgado

Tue 2/16

11:05 am-8:31 pm

1 stop15h 26m

$766

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 12/2

10:50 am-6:55 am

2 stops14h 05m

Lisbon Humberto Delgado

Wed 12/9

11:20 am-12:22 pm

2 stops31h 02m

$772

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 3/2

12:53 pm-9:05 am

1 stop14h 12m

Lisbon Humberto Delgado

Tue 3/9

11:05 am-8:31 pm

1 stop15h 26m

$777

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 $800 to $1,068.
The lowest price recently found on this route was $736.

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 $1,142 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	$366
Fastest flight time	11h 15m
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is $366. The best round-trip flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is $736.

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 November 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 (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 12,226 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 8,280 reviews	Search British Airways flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,847 reviews	Search Air Canada flights
United Airlines	PriceFrom $707	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights

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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 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 $366

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 2/28. 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

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

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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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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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