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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 10/14. 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

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Find the cheapest flights from St. Louis to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:35 pm - 5:55 pm
STL
-
LIS
14h 20m
1 stop
British Airways Logo
11:05 am - 11:41 pm
LIS
-
STL
18h 36m
1 stop
$789British Airways
mer., oct. 14 - ven., oct. 23
Air Canada Logo
12:10 pm - 11:05 am
STL
-
LIS
40h 55m
2 stops
Air Canada Logo
1:00 pm - 4:26 pm
LIS
-
STL
33h 26m
2 stops
$793Air Canada
jeu., oct. 15 - jeu., oct. 22
United Airlines Logo
8:55 am - 11:05 am
STL
-
LIS
20h 10m
1 stop
United Airlines Logo
11:25 am - 6:41 pm
LIS
-
STL
13h 16m
1 stop
$798United Airlines
jeu., oct. 15 - ven., oct. 23
Air Canada Logo
12:10 pm - 11:05 am
STL
-
LIS
40h 55m
2 stops
Air Canada Logo
11:25 am - 6:41 pm
LIS
-
STL
13h 16m
1 stop
$801Air Canada
jeu., oct. 15 - ven., oct. 23
Delta Logo
2:18 pm - 2:55 pm
STL
-
LIS
18h 37m
2 stops
Delta Logo
5:35 am - 8:37 pm
LIS
-
STL
21h 02m
2 stops
$802Delta
jeu., oct. 15 - jeu., oct. 22
Multiple Airlines Logo
6:51 pm - 4:05 pm
STL
-
LIS
15h 14m
2 stops
Multiple Airlines Logo
12:30 pm - 11:41 pm
LIS
-
STL
17h 11m
2 stops
$803Multiple Airlines
jeu., oct. 15 - jeu., oct. 22
Delta Logo
5:30 pm - 6:45 pm
STL
-
LIS
19h 15m
2 stops
Delta Logo
5:35 am - 8:37 pm
LIS
-
STL
21h 02m
2 stops
$807Delta
jeu., oct. 15 - jeu., oct. 22
Multiple Airlines Logo
6:51 pm - 4:05 pm
STL
-
LIS
15h 14m
2 stops
Multiple Airlines Logo
11:05 am - 11:41 pm
LIS
-
STL
18h 36m
1 stop
$809Multiple Airlines
jeu., oct. 15 - jeu., oct. 22
Delta Logo
5:30 pm - 6:45 pm
STL
-
LIS
19h 15m
2 stops
Delta Logo
5:00 am - 5:06 pm
LIS
-
STL
18h 06m
2 stops
$836Delta
jeu., oct. 15 - ven., oct. 23
Air Canada Logo
2:40 pm - 9:20 am
STL
-
LIS
12h 40m
2 stops
Air Canada Logo
11:20 am - 3:38 pm
LIS
-
STL
34h 18m
2 stops
$860Air Canada
dim., oct. 11 - mar., déc. 29

British Airways flights from St. Louis to Lisbon

Our best British Airways deals on St. Louis to Lisbon flight tickets
British Airways
Oct 14
STL9:35 pmLambert-St Louis
14h 20m
1 stop
LIS5:55 pmLisbon Humberto Delgado
Oct 23
LIS11:05 amLisbon Humberto Delgado
18h 36m
1 stop
STL11:41 pmLambert-St Louis
$789
British Airways
Apr 26
STL9:40 pmLambert-St Louis
19h 25m
1 stop
LIS11:05 pmLisbon Humberto Delgado
May 12
LIS7:10 amLisbon Humberto Delgado
18h 20m
1 stop
STL7:30 pmLambert-St Louis
$828
British Airways
Oct 15
STL8:05 pmLambert-St Louis
16h 05m
2 stops
LIS6:10 pmLisbon Humberto Delgado
Oct 23
LIS11:05 amLisbon Humberto Delgado
18h 36m
1 stop
STL11:41 pmLambert-St Louis
$898

Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets
Air Canada
Oct 15
STL12:10 pmLambert-St Louis
40h 55m
2 stops
LIS11:05 amLisbon Humberto Delgado
Oct 22
LIS1:00 pmLisbon Humberto Delgado
33h 26m
2 stops
STL4:26 pmLambert-St Louis
$793
Air Canada
Oct 15
STL12:10 pmLambert-St Louis
40h 55m
2 stops
LIS11:05 amLisbon Humberto Delgado
Oct 23
LIS11:25 amLisbon Humberto Delgado
13h 16m
1 stop
STL6:41 pmLambert-St Louis
$801
Air Canada
Oct 11
STL2:40 pmLambert-St Louis
12h 40m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 29
LIS11:20 amLisbon Humberto Delgado
34h 18m
2 stops
STL3:38 pmLambert-St Louis
$860

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Lisbon 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 avril 22, 2026.
Use the filters below to find and compare flights from St. Louis to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

mer. 10/14

9:35 pm-5:55 pm

1 stop14h 20m

Lisbon Humberto Delgado

ven. 10/23

11:05 am-11:41 pm

1 stop18h 36m

$789

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

12:10 pm-11:05 am

2 stops40h 55m

Lisbon Humberto Delgado

jeu. 10/22

1:00 pm-4:26 pm

2 stops33h 26m

$793

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

8:55 am-11:05 am

1 stop20h 10m

Lisbon Humberto Delgado

ven. 10/23

11:25 am-6:41 pm

1 stop13h 16m

$798

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

12:10 pm-11:05 am

2 stops40h 55m

Lisbon Humberto Delgado

ven. 10/23

11:25 am-6:41 pm

1 stop13h 16m

$801

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

2:18 pm-2:55 pm

2 stops18h 37m

Lisbon Humberto Delgado

jeu. 10/22

5:35 am-8:37 pm

2 stops21h 02m

$802
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

6:51 pm-4:05 pm

2 stops15h 14m

Lisbon Humberto Delgado

jeu. 10/22

12:30 pm-11:41 pm

2 stops17h 11m

$803

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

5:30 pm-6:45 pm

2 stops19h 15m

Lisbon Humberto Delgado

jeu. 10/22

5:35 am-8:37 pm

2 stops21h 02m

$807

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

6:51 pm-4:05 pm

2 stops15h 14m

Lisbon Humberto Delgado

jeu. 10/22

11:05 am-11:41 pm

1 stop18h 36m

$809

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

jeu. 10/15

5:30 pm-6:45 pm

2 stops19h 15m

Lisbon Humberto Delgado

ven. 10/23

5:00 am-5:06 pm

2 stops18h 06m

$836

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

dim. 10/11

2:40 pm-9:20 am

2 stops12h 40m

Lisbon Humberto Delgado

mar. 12/29

11:20 am-3:38 pm

2 stops34h 18m

$860

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 Lisbon from

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

What is the typical price of a round-trip flight between St. Louis and Lisbon?

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 $589. If you are unable to visit Lisbon during the month of April, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $617.

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 week ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,040 when searching week 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 $719 on momondo.

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

You could potentially save up to 7% 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

Fastest flight time

14h 20m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 14h 20m
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 14h 20m.

  • 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?

  • 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?

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 AirlinesPriceFrom $505Free CancellationRating
7.1
11,655 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,437 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,191 reviews
Search Iberia flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,906 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
7,940 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,636 reviews
Search United Airlines flights
Air CanadaPriceFrom $675Free CancellationRating
7.1
10,955 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Ericeira
Nazaré
Setúbal
Peniche
Estoril
Evora
Oeiras
Leiria
Sesimbra
Figueira da Foz
Zambujeira do Mar
Óbidos
Batalha
Tomar
Comporta
Torres Vedras
Almada
Sines

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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