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Cheap flights from Lisbon to St. Louis from $531

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to St. Louis departing on 9/21. 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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0 bags

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Cheap round-trip flights

American Airlines Logo
10:55 am - 8:19 amLIS-STL
27h 24m2 stops
American Airlines Logo
6:29 pm - 2:55 pmSTL-LIS
14h 26m2 stops
$791American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
American Airlines Logo
10:55 am - 7:04 pmLIS-STL
14h 09m2 stops
American Airlines Logo
4:39 pm - 6:55 pmSTL-LIS
20h 16m2 stops
$794American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
American Airlines Logo
10:55 am - 9:47 pmLIS-STL
16h 52m2 stops
American Airlines Logo
4:39 pm - 6:55 pmSTL-LIS
20h 16m2 stops
$800American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
American Airlines Logo
10:55 am - 11:34 pmLIS-STL
18h 39m2 stops
American Airlines Logo
2:44 pm - 9:05 amSTL-LIS
12h 21m1 stop
$804American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
British Airways Logo
11:05 am - 9:06 pmLIS-STL
16h 01m1 stop
British Airways Logo
7:23 am - 11:10 pmSTL-LIS
33h 47m2 stops
$836British Airways
Find Deal
vie., sep. 12 - vie., sep. 19
British Airways Logo
7:20 am - 9:06 pmLIS-STL
19h 46m2 stops
British Airways Logo
7:23 am - 11:10 pmSTL-LIS
33h 47m2 stops
$847British Airways
Find Deal
vie., sep. 12 - vie., sep. 19
Lufthansa Logo
11:55 am - 7:13 pmLIS-STL
13h 18m1 stop
Lufthansa Logo
11:50 am - 8:10 amSTL-LIS
14h 20m1 stop
$850Lufthansa
Find Deal
jue., dic. 4 - lun., dic. 8
Lufthansa Logo
11:55 am - 7:13 pmLIS-STL
13h 18m1 stop
Lufthansa Logo
11:50 am - 8:10 amSTL-LIS
14h 20m1 stop
$853Lufthansa
Find Deal
jue., dic. 4 - lun., dic. 8
Logo
11:35 am - 3:18 pmLIS-STL
33h 43m3 stops
Logo
1:00 pm - 9:35 pmSTL-LIS
26h 35m3 stops
$1,263
Find Deal
vie., sep. 12 - vie., sep. 19
Logo
11:35 am - 3:18 pmLIS-STL
33h 43m3 stops
Logo
1:30 pm - 12:30 pmSTL-LIS
17h 00m2 stops
$1,274
Find Deal
vie., sep. 12 - vie., sep. 19

American Airlines flights from Lisbon to St. Louis

Our best American Airlines deals on Lisbon to St. Louis flight tickets
American Airlines
Dec 4
LIS10:55 amLisbon Humberto Delgado
27h 24m
2 stops
STL8:19 amLambert-St Louis
Dec 8
STL6:29 pmLambert-St Louis
14h 26m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$791
Find similar
American Airlines
Dec 4
LIS10:55 amLisbon Humberto Delgado
14h 09m
2 stops
STL7:04 pmLambert-St Louis
Dec 8
STL4:39 pmLambert-St Louis
20h 16m
2 stops
LIS6:55 pmLisbon Humberto Delgado
$794
Find similar
American Airlines
Dec 4
LIS10:55 amLisbon Humberto Delgado
16h 52m
2 stops
STL9:47 pmLambert-St Louis
Dec 8
STL4:39 pmLambert-St Louis
20h 16m
2 stops
LIS6:55 pmLisbon Humberto Delgado
$800
Find similar

Lufthansa flights from Lisbon to St. Louis

Our best Lufthansa deals on Lisbon to St. Louis flight tickets
Lufthansa
Dec 4
LIS11:55 amLisbon Humberto Delgado
13h 18m
1 stop
STL7:13 pmLambert-St Louis
Dec 8
STL11:50 amLambert-St Louis
14h 20m
1 stop
LIS8:10 amLisbon Humberto Delgado
$850
Find similar
Lufthansa
Dec 4
LIS11:55 amLisbon Humberto Delgado
13h 18m
1 stop
STL7:13 pmLambert-St Louis
Dec 8
STL11:50 amLambert-St Louis
14h 20m
1 stop
LIS8:10 amLisbon Humberto Delgado
$853
Find similar
Lufthansa
Dec 4
LIS11:55 amLisbon Humberto Delgado
13h 18m
1 stop
STL7:13 pmLambert-St Louis
Dec 8
STL12:55 pmLambert-St Louis
15h 20m
1 stop
LIS10:15 amLisbon Humberto Delgado
$860
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Lisbon to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

10:55 am-8:19 am

2 stops27h 24m

Lambert-St Louis

lun. 12/8

6:29 pm-2:55 pm

2 stops14h 26m

$791

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

10:55 am-7:04 pm

2 stops14h 09m

Lambert-St Louis

lun. 12/8

4:39 pm-6:55 pm

2 stops20h 16m

$794

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

10:55 am-9:47 pm

2 stops16h 52m

Lambert-St Louis

lun. 12/8

4:39 pm-6:55 pm

2 stops20h 16m

$800

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

10:55 am-11:34 pm

2 stops18h 39m

Lambert-St Louis

lun. 12/8

2:44 pm-9:05 am

1 stop12h 21m

$804

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

vie. 9/12

11:05 am-9:06 pm

1 stop16h 01m

Lambert-St Louis

vie. 9/19

7:23 am-11:10 pm

2 stops33h 47m

$836

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

vie. 9/12

7:20 am-9:06 pm

2 stops19h 46m

Lambert-St Louis

vie. 9/19

7:23 am-11:10 pm

2 stops33h 47m

$847

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

11:55 am-7:13 pm

1 stop13h 18m

Lambert-St Louis

lun. 12/8

11:50 am-8:10 am

1 stop14h 20m

$850

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

jue. 12/4

11:55 am-7:13 pm

1 stop13h 18m

Lambert-St Louis

lun. 12/8

11:50 am-8:10 am

1 stop14h 20m

$853

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

vie. 9/12

11:35 am-3:18 pm

3 stops33h 43m

Lambert-St Louis

vie. 9/19

1:00 pm-9:35 pm

3 stops26h 35m

$1,263

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

vie. 9/12

11:35 am-3:18 pm

3 stops33h 43m

Lambert-St Louis

vie. 9/19

1:30 pm-12:30 pm

2 stops17h 00m

$1,274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $898. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,021. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

You could potentially save up to 39% on your flight if you consider stops on a Lisbon to St. Louis flight.

When to book flights from Lisbon to St. Louis

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

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

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

Best Price Found

$531

Fastest flight time

12h 43m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Lisbon in the past 72 hours is $531. The best round-trip flight deal from Lisbon to St. Louis found on momondo in the last 72 hours is $791.
The fastest flight from Lisbon to St. Louis takes 12h 43m
There are no direct flights from Lisbon to St. Louis. Popular non-direct route for this connection is Lisbon Humberto Delgado Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
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  • How far is Lisbon Humberto Delgado to Lambert-St Louis by plane?

    A flight from Lisbon Humberto Delgado to Lambert-St Louis will travel around 4210.2 mi. Flights usually cover this in 13h 18m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Lisbon Humberto Delgado Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
Grafton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lisbon to St. Louis for you.

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

Yes. momondo allows you to filter the results for Lisbon to St. Louis flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to St. Louis.

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

Of course. momondo tracks the price of Lisbon to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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