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Cheap flights from St. Louis to Lisbon from $388

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 4/27. 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.
Iberia Logo
6:11 pm - 11:25 pm
STL
-
LIS
23h 14m
2 stops
Iberia Logo
8:25 am - 10:19 pm
LIS
-
STL
19h 54m
2 stops
$578Iberia
Tue, Apr 7 - Tue, Apr 21
American Airlines Logo
8:03 pm - 5:55 pm
STL
-
LIS
15h 52m
2 stops
American Airlines Logo
7:10 am - 7:33 pm
LIS
-
STL
18h 23m
2 stops
$592American Airlines
Wed, Apr 29 - Mon, May 4
British Airways Logo
8:03 pm - 11:05 pm
STL
-
LIS
21h 02m
2 stops
British Airways Logo
7:20 am - 10:17 pm
LIS
-
STL
20h 57m
2 stops
$603British Airways
Sun, Apr 19 - Sun, Apr 26
British Airways Logo
4:30 pm - 11:00 pm
STL
-
LIS
24h 30m
2 stops
British Airways Logo
11:05 am - 7:29 pm
LIS
-
STL
14h 24m
1 stop
$604British Airways
Tue, Apr 7 - Tue, Apr 21
British Airways Logo
5:21 pm - 3:35 pm
STL
-
LIS
16h 14m
2 stops
British Airways Logo
11:05 am - 7:31 pm
LIS
-
STL
14h 26m
1 stop
$613British Airways
Fri, May 1 - Sun, May 10
British Airways Logo
9:40 pm - 11:05 pm
STL
-
LIS
19h 25m
1 stop
British Airways Logo
7:20 am - 10:19 pm
LIS
-
STL
20h 59m
2 stops
$619British Airways
Sun, May 3 - Sun, May 10
British Airways Logo
4:30 pm - 11:00 pm
STL
-
LIS
24h 30m
2 stops
British Airways Logo
7:10 am - 10:19 pm
LIS
-
STL
21h 09m
2 stops
$623British Airways
Tue, Apr 7 - Tue, Apr 21
British Airways Logo
5:21 pm - 3:35 pm
STL
-
LIS
16h 14m
2 stops
British Airways Logo
7:20 am - 11:56 pm
LIS
-
STL
22h 36m
2 stops
$625British Airways
Fri, May 1 - Sun, May 10
American Airlines Logo
1:29 pm - 9:05 am
STL
-
LIS
13h 36m
1 stop
American Airlines Logo
8:25 am - 7:33 pm
LIS
-
STL
17h 08m
2 stops
$637American Airlines
Wed, Apr 15 - Tue, Apr 21
British Airways Logo
1:29 pm - 9:05 am
STL
-
LIS
13h 36m
1 stop
British Airways Logo
7:10 am - 7:30 pm
LIS
-
STL
18h 20m
1 stop
$649British Airways
Wed, Apr 15 - Tue, Apr 21

Iberia flights from St. Louis to Lisbon

Our best Iberia deals on St. Louis to Lisbon flight tickets
Iberia
Apr 7
STL6:11 pmLambert-St Louis
23h 14m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Apr 21
LIS8:25 amLisbon Humberto Delgado
19h 54m
2 stops
STL10:19 pmLambert-St Louis
$578
Iberia
Apr 15
STL6:11 pmLambert-St Louis
15h 54m
2 stops
LIS4:05 pmLisbon Humberto Delgado
Apr 21
LIS8:25 amLisbon Humberto Delgado
19h 54m
2 stops
STL10:19 pmLambert-St Louis
$737
Iberia
Apr 19
STL12:27 pmLambert-St Louis
17h 23m
2 stops
LIS11:50 amLisbon Humberto Delgado
Apr 26
LIS12:30 pmLisbon Humberto Delgado
39h 47m
2 stops
STL10:17 pmLambert-St Louis
$738

American Airlines flights from St. Louis to Lisbon

Our best American Airlines deals on St. Louis to Lisbon flight tickets
American Airlines
Apr 29
STL8:03 pmLambert-St Louis
15h 52m
2 stops
LIS5:55 pmLisbon Humberto Delgado
May 4
LIS7:10 amLisbon Humberto Delgado
18h 23m
2 stops
STL7:33 pmLambert-St Louis
$592
American Airlines
Apr 21
STL6:29 amLambert-St Louis
20h 36m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 28
LIS1:40 pmLisbon Humberto Delgado
35h 50m
1 stop
STL7:30 pmLambert-St Louis
$681
American Airlines
Apr 7
STL8:03 pmLambert-St Louis
15h 52m
2 stops
LIS5:55 pmLisbon Humberto Delgado
Apr 14
LIS11:05 amLisbon Humberto Delgado
14h 24m
1 stop
STL7:29 pmLambert-St Louis
$689

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 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

Cheapest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/7

6:11 pm-11:25 pm

2 stops23h 14m

Lisbon Humberto Delgado

Tue 4/21

8:25 am-10:19 pm

2 stops19h 54m

$578

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/29

8:03 pm-5:55 pm

2 stops15h 52m

Lisbon Humberto Delgado

Mon 5/4

7:10 am-7:33 pm

2 stops18h 23m

$592

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/19

8:03 pm-11:05 pm

2 stops21h 02m

Lisbon Humberto Delgado

Sun 4/26

7:20 am-10:17 pm

2 stops20h 57m

$603

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/7

4:30 pm-11:00 pm

2 stops24h 30m

Lisbon Humberto Delgado

Tue 4/21

11:05 am-7:29 pm

1 stop14h 24m

$604
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 5/1

5:21 pm-3:35 pm

2 stops16h 14m

Lisbon Humberto Delgado

Sun 5/10

11:05 am-7:31 pm

1 stop14h 26m

$613

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 5/3

9:40 pm-11:05 pm

1 stop19h 25m

Lisbon Humberto Delgado

Sun 5/10

7:20 am-10:19 pm

2 stops20h 59m

$619

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/7

4:30 pm-11:00 pm

2 stops24h 30m

Lisbon Humberto Delgado

Tue 4/21

7:10 am-10:19 pm

2 stops21h 09m

$623

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 5/1

5:21 pm-3:35 pm

2 stops16h 14m

Lisbon Humberto Delgado

Sun 5/10

7:20 am-11:56 pm

2 stops22h 36m

$625

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/15

1:29 pm-9:05 am

1 stop13h 36m

Lisbon Humberto Delgado

Tue 4/21

8:25 am-7:33 pm

2 stops17h 08m

$637

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/15

1:29 pm-9:05 am

1 stop13h 36m

Lisbon Humberto Delgado

Tue 4/21

7:10 am-7:30 pm

1 stop18h 20m

$649

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 $1,043 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
British AirwaysPriceFrom $458Free CancellationRating
6.7
7,781 reviews
Search British Airways flights
American AirlinesPriceFrom $505Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,276 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,133 reviews
Search Iberia flights
LufthansaPriceFrom $606Free CancellationRating
6.8
7,840 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Air CanadaPriceFrom $702Free CancellationRating
7.1
10,800 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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