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

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 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.

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.

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.

$354 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

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

14h 45m1 stop Frankfurt am Main

$725Multiple Airlines

Mon, Nov 9 - Wed, Nov 25

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

$727Multiple Airlines

Mon, Nov 9 - Wed, Nov 25

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

$755Air Canada

Mon, Nov 23 - Tue, Dec 8

10:45 am - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 25m2 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

$757United Airlines

Mon, Jan 25 - Fri, Feb 5

10:45 am - 8:10 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 25m2 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

$757United Airlines

Sun, Jan 31 - Fri, Feb 12

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

1:17 pm - 8:30 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

13h 13m1 stop Philadelphia

11:05 am - 8:46 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

15h 41m1 stop Philadelphia

$774British Airways

Wed, Dec 2 - Wed, Dec 9

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

$793Lufthansa

Wed, Nov 25 - Wed, Dec 2

12:55 pm - 8:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

14h 00m1 stop Philadelphia

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

15h 26m1 stop Philadelphia

$805British Airways

Wed, Jan 20 - Mon, Jan 25

7:04 pm - 11:35 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

34h 31m2 stops Chicago O'Hare Intl Frankfurt am Main

2:20 pm - 3:38 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

30h 18m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$921Lufthansa

Sat, Mar 13 - Sat, Mar 27

Cheap last minute flights

Enter your travel dates to find the best prices.

12:00 pm - 2:55 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 55m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 8:51 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

21h 51m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,042Delta

Thu, Oct 15 - Thu, Oct 22

12:00 pm - 2:55 pmSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

20h 55m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:00 am - 4:43 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 43m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,042Delta

Thu, Oct 15 - Fri, Oct 23

11:21 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 44m1 stop Philadelphia

6:35 am - 8:57 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

20h 22m2 stops Madrid Barajas Chicago O'Hare Intl

$1,043Iberia

Thu, Oct 15 - Thu, Oct 22

12:00 pm - 10:55 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

16h 55m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

5:00 am - 4:43 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 43m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,046KLM

Thu, Oct 15 - Fri, Oct 23

11:21 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 44m1 stop Philadelphia

11:05 am - 10:14 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

17h 09m1 stop Philadelphia

$1,049American Airlines

Thu, Oct 15 - Thu, Oct 22

11:21 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 44m1 stop Philadelphia

11:05 am - 11:48 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

18h 43m1 stop Philadelphia

$1,049British Airways

Thu, Oct 15 - Fri, Oct 23

6:00 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

21h 05m1 stop Philadelphia

11:05 am - 12:19 amLIS Lisbon Humberto Delgado-STL Lambert-St Louis

19h 14m2 stops Philadelphia Chicago O'Hare Intl

$1,054American Airlines

Thu, Oct 15 - Fri, Oct 23

11:21 am - 9:05 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

15h 44m1 stop Philadelphia

11:05 am - 11:48 pmLIS Lisbon Humberto Delgado-STL Lambert-St Louis

18h 43m1 stop Philadelphia

$1,065British Airways

Thu, Oct 15 - Fri, Oct 23

9:30 am - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

17h 50m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

14h 20m1 stop Frankfurt am Main

$1,135United Airlines

Thu, Oct 15 - Fri, Oct 23

6:00 am - 9:20 amSTL Lambert-St Louis-LIS Lisbon Humberto Delgado

21h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

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

14h 20m1 stop Frankfurt am Main

$1,140United Airlines

Thu, Oct 15 - Fri, Oct 23

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British Airways flights from St. Louis to Lisbon

Our best British Airways deals on St. Louis to Lisbon flight tickets

British Airways

Dec 2

STL1:17 pmLambert-St Louis

13h 13m

1 stop

LIS8:30 amLisbon Humberto Delgado

Dec 9

LIS11:05 amLisbon Humberto Delgado

15h 41m

1 stop

STL8:46 pmLambert-St Louis

$774

British Airways

Jan 20

STL12:55 pmLambert-St Louis

14h 00m

1 stop

LIS8:55 amLisbon Humberto Delgado

Jan 25

LIS11:05 amLisbon Humberto Delgado

15h 26m

1 stop

STL8:31 pmLambert-St Louis

$805

British Airways

Oct 28

STL3:18 pmLambert-St Louis

12h 47m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 5

LIS11:05 amLisbon Humberto Delgado

15h 21m

1 stop

STL8:26 pmLambert-St Louis

$824

Delta flights from St. Louis to Lisbon

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

Delta

Nov 3

STL12:00 pmLambert-St Louis

17h 25m

2 stops

LIS11:25 amLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

22h 42m

2 stops

STL9:42 pmLambert-St Louis

$817

Delta

Jan 29

STL9:00 amLambert-St Louis

20h 25m

2 stops

LIS11:25 amLisbon Humberto Delgado

Feb 3

LIS5:00 amLisbon Humberto Delgado

24h 18m

2 stops

STL11:18 pmLambert-St Louis

$822

Delta

Oct 15

STL12:00 pmLambert-St Louis

20h 55m

2 stops

LIS2:55 pmLisbon Humberto Delgado

Oct 22

LIS5:00 amLisbon Humberto Delgado

21h 51m

2 stops

STL8:51 pmLambert-St Louis

$1,042

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 11/9

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-1:45 pm

1 stop14h 45m

$725

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 11/9

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-1:45 pm

1 stop14h 45m

$727

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

Tue 12/8

11:20 am-3:26 pm

1 stop34h 06m

$755

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Mon 1/25

10:45 am-8:10 am

2 stops15h 25m

Lisbon Humberto Delgado

Fri 2/5

5:00 am-1:45 pm

1 stop14h 45m

$757

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Sun 1/31

10:45 am-8:10 am

2 stops15h 25m

Lisbon Humberto Delgado

Fri 2/12

5:00 am-1:45 pm

1 stop14h 45m

$757

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

Wed 12/2

1:17 pm-8:30 am

1 stop13h 13m

Lisbon Humberto Delgado

Wed 12/9

11:05 am-8:46 pm

1 stop15h 41m

$774

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/25

3:40 pm-11:35 am

1 stop13h 55m

Lisbon Humberto Delgado

Wed 12/2

5:00 am-1:45 pm

1 stop14h 45m

$793

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 1/20

12:55 pm-8:55 am

1 stop14h 00m

Lisbon Humberto Delgado

Mon 1/25

11:05 am-8:31 pm

1 stop15h 26m

$805

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Sat 3/13

7:04 pm-11:35 am

2 stops34h 31m

Lisbon Humberto Delgado

Sat 3/27

2:20 pm-3:38 pm

2 stops30h 18m

$921

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 $940 to $1,338.
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 $1,129 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	$354
Fastest flight time	10h 50m
Direct flights	None

The best one-way flight to Lisbon from St. Louis in the past 72 hours is $354. The best round-trip flight deal from St. Louis to Lisbon found on momondo in the last 72 hours is $725.

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 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 (38% 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 12,171 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,652 reviews	Search Delta flights
British Airways	PriceFrom $574	Free Cancellation	Rating 6.7 8,261 reviews	Search British Airways flights
Lufthansa	PriceFrom $606	Free Cancellation	Rating 6.8 8,277 reviews	Search Lufthansa flights
Air Canada	PriceFrom $649	Free Cancellation	Rating 7.1 11,774 reviews	Search Air Canada flights
United Airlines	PriceFrom $707	Free Cancellation	Rating 7.4 10,364 reviews	Search United Airlines flights

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Comporta

Ericeira

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 $354

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 1/26. 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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British Airways flights from St. Louis to Lisbon

Our best British Airways deals on St. Louis to Lisbon flight tickets

Delta flights from St. Louis to Lisbon

Our best Delta 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?

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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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