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Cheap flights from Lisbon to St. Louis from $611

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Lisbon to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:05 am - 1:25 pm
LIS
-
STL
14h 20m
1 stop
United Airlines Logo
1:13 pm - 8:20 am
STL
-
LIS
13h 07m
2 stops
$962United Airlines
Fri, May 22 - Tue, May 26
Delta Logo
5:35 am - 4:46 pm
LIS
-
STL
17h 11m
2 stops
Delta Logo
5:36 pm - 2:55 pm
STL
-
LIS
15h 19m
2 stops
$980Delta
Fri, May 22 - Tue, May 26
Iberia Logo
11:05 am - 11:59 pm
LIS
-
STL
18h 54m
1 stop
Iberia Logo
8:14 pm - 11:50 am
STL
-
LIS
33h 36m
2 stops
$1,028Iberia
Thu, Jun 11 - Thu, Jun 18
Iberia Logo
6:35 am - 9:09 am
LIS
-
STL
32h 34m
2 stops
Iberia Logo
8:14 pm - 11:50 am
STL
-
LIS
33h 36m
2 stops
$1,063Iberia
Thu, Jun 11 - Thu, Jun 18
Multiple Airlines Logo
7:00 am - 8:09 pm
LIS
-
STL
43h 09m
3 stops
Multiple Airlines Logo
1:05 pm - 9:45 pm
STL
-
LIS
26h 40m
2 stops
$1,073Multiple Airlines
Fri, May 22 - Tue, May 26
Multiple Airlines Logo
7:25 am - 1:25 pm
LIS
-
STL
36h 00m
1 stop
Multiple Airlines Logo
2:15 pm - 11:05 am
STL
-
LIS
14h 50m
1 stop
$1,105Multiple Airlines
Thu, Jun 11 - Thu, Jun 18
Multiple Airlines Logo
6:35 am - 9:09 am
LIS
-
STL
32h 34m
2 stops
Multiple Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
$1,134Multiple Airlines
Thu, Jun 18 - Sun, Jul 5
Multiple Airlines Logo
6:35 am - 9:09 am
LIS
-
STL
32h 34m
2 stops
Multiple Airlines Logo
2:40 pm - 9:20 am
STL
-
LIS
12h 40m
2 stops
$1,143Multiple Airlines
Thu, Jun 18 - Sun, Jul 5
Multiple Airlines Logo
11:05 am - 11:59 pm
LIS
-
STL
18h 54m
1 stop
Multiple Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
$1,147Multiple Airlines
Thu, Jun 18 - Sun, Jul 5
Multiple Airlines Logo
7:00 am - 8:25 pm
LIS
-
STL
19h 25m
2 stops
Multiple Airlines Logo
1:05 pm - 7:15 pm
STL
-
LIS
24h 10m
3 stops
$1,169Multiple Airlines
Fri, May 22 - Tue, May 26

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Iberia flights from Lisbon to St. Louis

Our best Iberia deals on Lisbon to St. Louis flight tickets
Iberia
Jun 11
LIS11:05 amLisbon Humberto Delgado
18h 54m
1 stop
STL11:59 pmLambert-St Louis
Jun 18
STL8:14 pmLambert-St Louis
33h 36m
2 stops
LIS11:50 amLisbon Humberto Delgado
$1,028
Iberia
Jun 11
LIS6:35 amLisbon Humberto Delgado
32h 34m
2 stops
STL9:09 amLambert-St Louis
Jun 18
STL8:14 pmLambert-St Louis
33h 36m
2 stops
LIS11:50 amLisbon Humberto Delgado
$1,063

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 April 29, 2026.
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

Cheapest round-trip
Quickest round-trip

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/22

5:05 am-1:25 pm

1 stop14h 20m

Lambert-St Louis

Tue 5/26

1:13 pm-8:20 am

2 stops13h 07m

$962

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/22

5:35 am-4:46 pm

2 stops17h 11m

Lambert-St Louis

Tue 5/26

5:36 pm-2:55 pm

2 stops15h 19m

$980

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/11

11:05 am-11:59 pm

1 stop18h 54m

Lambert-St Louis

Thu 6/18

8:14 pm-11:50 am

2 stops33h 36m

$1,028

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/11

6:35 am-9:09 am

2 stops32h 34m

Lambert-St Louis

Thu 6/18

8:14 pm-11:50 am

2 stops33h 36m

$1,063

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/22

7:00 am-8:09 pm

3 stops43h 09m

Lambert-St Louis

Tue 5/26

1:05 pm-9:45 pm

2 stops26h 40m

$1,073

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/11

7:25 am-1:25 pm

1 stop36h 00m

Lambert-St Louis

Thu 6/18

2:15 pm-11:05 am

1 stop14h 50m

$1,105

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/18

6:35 am-9:09 am

2 stops32h 34m

Lambert-St Louis

Sun 7/5

12:10 pm-9:20 am

1 stop15h 10m

$1,134

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/18

6:35 am-9:09 am

2 stops32h 34m

Lambert-St Louis

Sun 7/5

2:40 pm-9:20 am

2 stops12h 40m

$1,143

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 6/18

11:05 am-11:59 pm

1 stop18h 54m

Lambert-St Louis

Sun 7/5

12:10 pm-9:20 am

1 stop15h 10m

$1,147

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/22

7:00 am-8:25 pm

2 stops19h 25m

Lambert-St Louis

Tue 5/26

1:05 pm-7:15 pm

3 stops24h 10m

$1,169

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

You could potentially save up to 8% 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

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from Lisbon to St. Louis takes 14h 20m
There are no direct flights from Lisbon to St. Louis. There are no popular flight routes from Lisbon to St. Louis.
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Frequently asked questions about flying from Lisbon to St. Louis

  • 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 14h 20m, 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
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
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?

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