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Cheap flights from St. Louis to Lisbon from $411

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 8/7. 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.
Multiple Airlines Logo
7:09 pm - 10:15 pm
STL
-
LIS
21h 06m
2 stops
Multiple Airlines Logo
11:25 am - 8:25 pm
LIS
-
STL
15h 00m
1 stop
$666Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
7:09 pm - 10:15 pm
STL
-
LIS
21h 06m
2 stops
Multiple Airlines Logo
11:25 am - 10:45 pm
LIS
-
STL
17h 20m
2 stops
$672Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
7:09 pm - 10:15 pm
STL
-
LIS
21h 06m
2 stops
Multiple Airlines Logo
11:25 am - 8:25 pm
LIS
-
STL
15h 00m
1 stop
$689Multiple Airlines
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
7:09 pm - 10:15 pm
STL
-
LIS
21h 06m
2 stops
Multiple Airlines Logo
11:25 am - 8:04 pm
LIS
-
STL
14h 39m
2 stops
$698Multiple Airlines
Thu, Apr 30 - Thu, May 7
American Airlines Logo
9:40 pm - 11:05 pm
STL
-
LIS
19h 25m
1 stop
American Airlines Logo
6:35 am - 6:04 pm
LIS
-
STL
17h 29m
2 stops
$711American Airlines
Sun, Apr 26 - Wed, May 6
American Airlines Logo
8:03 pm - 5:45 pm
STL
-
LIS
15h 42m
2 stops
American Airlines Logo
6:35 am - 6:04 pm
LIS
-
STL
17h 29m
2 stops
$715American Airlines
Sun, Apr 26 - Wed, May 6
Delta Logo
5:59 pm - 5:50 pm
STL
-
LIS
17h 51m
2 stops
Delta Logo
5:00 am - 11:13 pm
LIS
-
STL
24h 13m
2 stops
$720Delta
Wed, Apr 15 - Tue, Apr 21
Multiple Airlines Logo
9:35 pm - 5:55 pm
STL
-
LIS
14h 20m
1 stop
Multiple Airlines Logo
6:35 am - 10:17 pm
LIS
-
STL
21h 42m
2 stops
$728Multiple Airlines
Wed, Apr 29 - Wed, May 6
Multiple Airlines Logo
1:10 pm - 3:35 pm
STL
-
LIS
20h 25m
2 stops
Multiple Airlines Logo
6:15 am - 8:04 pm
LIS
-
STL
19h 49m
2 stops
$735Multiple Airlines
Wed, Apr 29 - Wed, May 6
Air Canada Logo
4:05 pm - 3:35 pm
STL
-
LIS
17h 30m
2 stops
Air Canada Logo
6:15 am - 8:04 pm
LIS
-
STL
19h 49m
2 stops
$739Air Canada
Wed, Apr 29 - Wed, May 6

Scandinavian Airlines flights from St. Louis to Lisbon

Our best Scandinavian Airlines deals on St. Louis to Lisbon flight tickets
Scandinavian Airlines
Aug 15
STL3:42 pmLambert-St Louis
35h 18m
2 stops
LIS9:00 amLisbon Humberto Delgado
Sep 12
LIS4:25 pmLisbon Humberto Delgado
37h 12m
2 stops
STL11:37 pmLambert-St Louis
$821
Scandinavian Airlines
Aug 15
STL3:42 pmLambert-St Louis
35h 18m
2 stops
LIS9:00 amLisbon Humberto Delgado
Sep 12
LIS4:25 pmLisbon Humberto Delgado
37h 12m
2 stops
STL11:37 pmLambert-St Louis
$822

Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets
Lufthansa
Apr 22
STL3:30 pmLambert-St Louis
26h 05m
1 stop
LIS11:35 pmLisbon Humberto Delgado
Apr 29
LIS5:05 amLisbon Humberto Delgado
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$749
Lufthansa
Apr 19
STL6:55 pmLambert-St Louis
22h 35m
2 stops
LIS11:30 pmLisbon Humberto Delgado
Apr 26
LIS5:05 amLisbon Humberto Delgado
22h 08m
2 stops
STL9:13 pmLambert-St Louis
$754
Lufthansa
Apr 6
STL4:05 pmLambert-St Louis
37h 40m
2 stops
LIS11:45 amLisbon Humberto Delgado
Apr 26
LIS5:05 amLisbon Humberto Delgado
22h 08m
2 stops
STL9:13 pmLambert-St Louis
$788

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 March 17, 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

Thu 4/30

7:09 pm-10:15 pm

2 stops21h 06m

Lisbon Humberto Delgado

Thu 5/7

11:25 am-8:25 pm

1 stop15h 00m

$666

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 4/30

7:09 pm-10:15 pm

2 stops21h 06m

Lisbon Humberto Delgado

Thu 5/7

11:25 am-10:45 pm

2 stops17h 20m

$672

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 4/30

7:09 pm-10:15 pm

2 stops21h 06m

Lisbon Humberto Delgado

Thu 5/7

11:25 am-8:25 pm

1 stop15h 00m

$689

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 4/30

7:09 pm-10:15 pm

2 stops21h 06m

Lisbon Humberto Delgado

Thu 5/7

11:25 am-8:04 pm

2 stops14h 39m

$698

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/26

9:40 pm-11:05 pm

1 stop19h 25m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-6:04 pm

2 stops17h 29m

$711
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/26

8:03 pm-5:45 pm

2 stops15h 42m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-6:04 pm

2 stops17h 29m

$715

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/15

5:59 pm-5:50 pm

2 stops17h 51m

Lisbon Humberto Delgado

Tue 4/21

5:00 am-11:13 pm

2 stops24h 13m

$720

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/29

9:35 pm-5:55 pm

1 stop14h 20m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-10:17 pm

2 stops21h 42m

$728

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/29

1:10 pm-3:35 pm

2 stops20h 25m

Lisbon Humberto Delgado

Wed 5/6

6:15 am-8:04 pm

2 stops19h 49m

$735

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/29

4:05 pm-3:35 pm

2 stops17h 30m

Lisbon Humberto Delgado

Wed 5/6

6:15 am-8:04 pm

2 stops19h 49m

$739

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 $592. 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 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 $1,047 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 $700 on momondo.

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

You could potentially save up to 33% 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 05m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 14h 05m
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 05m.

  • 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
11,468 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,288 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,137 reviews
Search Iberia flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,797 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
United AirlinesPriceFrom $610Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
Air CanadaPriceFrom $702Free CancellationRating
7.1
10,811 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
Sesimbra
Leiria
Figueira da Foz
Tomar
Zambujeira do Mar
Óbidos
Batalha
Sines
Torres Vedras
Comporta
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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