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Cheap flights from St. Louis to Lisbon from $403

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 3/6. 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.
Finnair Logo
12:27 pm - 3:40 pm
STL
-
LIS
21h 13m2 stops
Finnair Logo
6:35 am - 10:14 pm
LIS
-
STL
21h 39m2 stops
$452Finnair
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
6:31 pm - 5:40 pm
STL
-
LIS
17h 09m2 stops
Multiple Airlines Logo
6:30 am - 6:52 pm
LIS
-
STL
18h 22m2 stops
$453Multiple Airlines
Tue, Feb 17 - Tue, Feb 24
British Airways Logo
12:11 pm - 3:45 pm
STL
-
LIS
21h 34m2 stops
British Airways Logo
5:10 pm - 7:30 pm
LIS
-
STL
32h 20m1 stop
$455British Airways
Mon, Apr 13 - Mon, Apr 20
British Airways Logo
8:00 am - 12:05 pm
STL
-
LIS
22h 05m2 stops
British Airways Logo
6:35 pm - 5:58 pm
LIS
-
STL
29h 23m2 stops
$458British Airways
Mon, Feb 23 - Mon, Mar 2
United Airlines Logo
8:30 am - 10:15 am
STL
-
LIS
19h 45m1 stop
United Airlines Logo
5:00 am - 1:55 pm
LIS
-
STL
14h 55m1 stop
$460United Airlines
Sun, Feb 22 - Sun, Mar 1
United Airlines Logo
7:41 am - 8:10 am
STL
-
LIS
18h 29m2 stops
United Airlines Logo
11:55 am - 8:23 pm
LIS
-
STL
14h 28m1 stop
$462United Airlines
Tue, Feb 17 - Tue, Feb 24
British Airways Logo
2:29 pm - 11:10 pm
STL
-
LIS
26h 41m2 stops
British Airways Logo
6:45 pm - 7:30 pm
LIS
-
STL
30h 45m1 stop
$465British Airways
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
4:05 pm - 9:20 am
STL
-
LIS
11h 15m1 stop
United Airlines Logo
11:20 am - 9:05 pm
LIS
-
STL
39h 45m2 stops
$466United Airlines
Wed, Feb 18 - Tue, Feb 24
Lufthansa Logo
7:00 am - 8:10 am
STL
-
LIS
19h 10m1 stop
Lufthansa Logo
11:55 am - 8:23 pm
LIS
-
STL
14h 28m1 stop
$473Lufthansa
Tue, Feb 17 - Tue, Feb 24
British Airways Logo
2:29 pm - 5:55 pm
STL
-
LIS
21h 26m2 stops
British Airways Logo
6:45 pm - 11:04 pm
LIS
-
STL
34h 19m2 stops
$475British Airways
Mon, Apr 13 - Mon, Apr 20

British Airways flights from St. Louis to Lisbon

Our best British Airways deals on St. Louis to Lisbon flight tickets
British Airways
Apr 13
STL12:11 pmLambert-St Louis
21h 34m
2 stops
LIS3:45 pmLisbon Humberto Delgado
Apr 20
LIS5:10 pmLisbon Humberto Delgado
32h 20m
1 stop
STL7:30 pmLambert-St Louis
$455
British Airways
Feb 23
STL8:00 amLambert-St Louis
22h 05m
2 stops
LIS12:05 pmLisbon Humberto Delgado
Mar 2
LIS6:35 pmLisbon Humberto Delgado
29h 23m
2 stops
STL5:58 pmLambert-St Louis
$458
British Airways
Apr 13
STL2:29 pmLambert-St Louis
26h 41m
2 stops
LIS11:10 pmLisbon Humberto Delgado
Apr 20
LIS6:45 pmLisbon Humberto Delgado
30h 45m
1 stop
STL7:30 pmLambert-St Louis
$465

Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets
Lufthansa
Feb 17
STL7:00 amLambert-St Louis
19h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
Feb 24
LIS11:55 amLisbon Humberto Delgado
14h 28m
1 stop
STL8:23 pmLambert-St Louis
$473
Lufthansa
Feb 18
STL4:05 pmLambert-St Louis
11h 15m
1 stop
LIS9:20 amLisbon Humberto Delgado
Feb 24
LIS10:15 amLisbon Humberto Delgado
19h 50m
1 stop
STL12:05 amLambert-St Louis
$496
Lufthansa
Feb 23
STL12:15 pmLambert-St Louis
16h 00m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 2
LIS10:15 amLisbon Humberto Delgado
19h 50m
1 stop
STL12:05 amLambert-St Louis
$501

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 January 10, 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

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/15

12:27 pm-3:40 pm

2 stops21h 13m

Lisbon Humberto Delgado

Wed 4/22

6:35 am-10:14 pm

2 stops21h 39m

$452

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 2/17

6:31 pm-5:40 pm

2 stops17h 09m

Lisbon Humberto Delgado

Tue 2/24

6:30 am-6:52 pm

2 stops18h 22m

$453

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/13

12:11 pm-3:45 pm

2 stops21h 34m

Lisbon Humberto Delgado

Mon 4/20

5:10 pm-7:30 pm

1 stop32h 20m

$455

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 2/23

8:00 am-12:05 pm

2 stops22h 05m

Lisbon Humberto Delgado

Mon 3/2

6:35 pm-5:58 pm

2 stops29h 23m

$458

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/22

8:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

Sun 3/1

5:00 am-1:55 pm

1 stop14h 55m

$460

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 2/17

7:41 am-8:10 am

2 stops18h 29m

Lisbon Humberto Delgado

Tue 2/24

11:55 am-8:23 pm

1 stop14h 28m

$462

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/13

2:29 pm-11:10 pm

2 stops26h 41m

Lisbon Humberto Delgado

Mon 4/20

6:45 pm-7:30 pm

1 stop30h 45m

$465

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 2/18

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-9:05 pm

2 stops39h 45m

$466

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 2/17

7:00 am-8:10 am

1 stop19h 10m

Lisbon Humberto Delgado

Tue 2/24

11:55 am-8:23 pm

1 stop14h 28m

$473

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/13

2:29 pm-5:55 pm

2 stops21h 26m

Lisbon Humberto Delgado

Mon 4/20

6:45 pm-11:04 pm

2 stops34h 19m

$475

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, January 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 $622. If you are unable to visit Lisbon during the month of January, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $764.

How far in advance should I book a flight 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 $1,083 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 $780 on momondo.

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

You could potentially save up to 37% 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

  • 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
7.2
11,106 reviews
Search American Airlines flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,146 reviews
Search United Airlines flights
LufthansaPriceFrom $626Free CancellationRating
6.8
7,705 reviews
Search Lufthansa flights
IberiaPriceFrom $649Free CancellationRating
7.0
3,081 reviews
Search Iberia flights
DeltaPriceFrom $718Free CancellationRating
7.9
8,035 reviews
Search Delta flights
Air CanadaPriceFrom $796Free CancellationRating
7.1
10,607 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
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Tomar
Evora
Figueira da Foz
Zambujeira do Mar
Batalha
Torres Vedras
Óbidos
Comporta
Sines
Almada

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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