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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.
United Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
United Airlines Logo
11:25 am - 3:38 pm
LIS
-
STL
34h 13m
2 stops
$957United Airlines
Wed, Aug 5 - Wed, Aug 12
Lufthansa Logo
3:30 pm - 3:35 pm
STL
-
LIS
18h 05m
1 stop
Lufthansa Logo
5:05 am - 1:25 pm
LIS
-
STL
14h 20m
1 stop
$958Lufthansa
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
8:00 am - 9:20 am
STL
-
LIS
19h 20m
2 stops
United Airlines Logo
11:25 am - 3:38 pm
LIS
-
STL
34h 13m
2 stops
$961United Airlines
Wed, Aug 5 - Wed, Aug 12
United Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
United Airlines Logo
1:00 pm - 12:02 pm
LIS
-
STL
29h 02m
2 stops
$962United Airlines
Sun, Aug 2 - Thu, Aug 13
Air France Logo
1:54 pm - 10:45 am
STL
-
LIS
14h 51m
2 stops
Air France Logo
5:35 am - 4:52 pm
LIS
-
STL
17h 17m
2 stops
$964Air France
Mon, Jul 27 - Wed, Aug 5
United Airlines Logo
6:01 am - 8:20 am
STL
-
LIS
20h 19m
1 stop
United Airlines Logo
11:25 am - 6:42 pm
LIS
-
STL
13h 17m
1 stop
$965United Airlines
Mon, Jul 27 - Wed, Aug 5
United Airlines Logo
9:15 am - 9:20 am
STL
-
LIS
18h 05m
2 stops
United Airlines Logo
1:00 pm - 12:02 pm
LIS
-
STL
29h 02m
2 stops
$966United Airlines
Sun, Aug 2 - Thu, Aug 13
United Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
United Airlines Logo
11:25 am - 6:42 pm
LIS
-
STL
13h 17m
1 stop
$970United Airlines
Sun, Aug 2 - Thu, Aug 13
Delta Logo
11:00 am - 10:45 am
STL
-
LIS
17h 45m
2 stops
Delta Logo
5:35 am - 8:31 pm
LIS
-
STL
20h 56m
2 stops
$979Delta
Mon, Aug 3 - Fri, Aug 14
Multiple Airlines Logo
2:15 pm - 6:30 am
STL
-
LIS
34h 15m
2 stops
Multiple Airlines Logo
8:15 am - 12:21 pm
LIS
-
STL
34h 06m
2 stops
$1,015Multiple Airlines
Tue, Jun 9 - Tue, Jun 23

Scandinavian Airlines flights from St. Louis to Lisbon

Our best Scandinavian Airlines deals on St. Louis to Lisbon flight tickets
Scandinavian Airlines
Nov 4
STL3:42 pmLambert-St Louis
18h 23m
2 stops
LIS4:05 pmLisbon Humberto Delgado
Nov 10
LIS4:55 pmLisbon Humberto Delgado
36h 44m
2 stops
STL11:39 pmLambert-St Louis
$771
Scandinavian Airlines
Nov 4
STL3:42 pmLambert-St Louis
18h 23m
2 stops
LIS4:05 pmLisbon Humberto Delgado
Nov 10
LIS4:55 pmLisbon Humberto Delgado
36h 44m
2 stops
STL11:39 pmLambert-St Louis
$772

Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets
Lufthansa
Nov 3
STL2:00 pmLambert-St Louis
12h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
Nov 9
LIS5:00 amLisbon Humberto Delgado
24h 25m
2 stops
STL11:25 pmLambert-St Louis
$831
Lufthansa
Jul 14
STL3:30 pmLambert-St Louis
18h 05m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Jul 21
LIS5:05 amLisbon Humberto Delgado
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$958
Lufthansa
May 23
STL12:55 pmLambert-St Louis
15h 40m
1 stop
LIS10:35 amLisbon Humberto Delgado
May 25
LIS6:15 amLisbon Humberto Delgado
19h 11m
2 stops
STL7:26 pmLambert-St Louis
$7,164

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 May 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

Wed 8/5

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Wed 8/12

11:25 am-3:38 pm

2 stops34h 13m

$957

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 7/14

3:30 pm-3:35 pm

1 stop18h 05m

Lisbon Humberto Delgado

Tue 7/21

5:05 am-1:25 pm

1 stop14h 20m

$958

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 8/5

8:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Wed 8/12

11:25 am-3:38 pm

2 stops34h 13m

$961

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 8/2

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Thu 8/13

1:00 pm-12:02 pm

2 stops29h 02m

$962

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 7/27

1:54 pm-10:45 am

2 stops14h 51m

Lisbon Humberto Delgado

Wed 8/5

5:35 am-4:52 pm

2 stops17h 17m

$964

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 7/27

6:01 am-8:20 am

1 stop20h 19m

Lisbon Humberto Delgado

Wed 8/5

11:25 am-6:42 pm

1 stop13h 17m

$965

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 8/2

9:15 am-9:20 am

2 stops18h 05m

Lisbon Humberto Delgado

Thu 8/13

1:00 pm-12:02 pm

2 stops29h 02m

$966
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 8/2

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Thu 8/13

11:25 am-6:42 pm

1 stop13h 17m

$970

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 8/3

11:00 am-10:45 am

2 stops17h 45m

Lisbon Humberto Delgado

Fri 8/14

5:35 am-8:31 pm

2 stops20h 56m

$979

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 6/9

2:15 pm-6:30 am

2 stops34h 15m

Lisbon Humberto Delgado

Tue 6/23

8:15 am-12:21 pm

2 stops34h 06m

$1,015

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 $626.

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 $1,039 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 45% 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 15m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 14h 15m
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 15m.

  • 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
11,643 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,445 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,220 reviews
Search Iberia flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,992 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,019 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
Air CanadaPriceFrom $675Free CancellationRating
7.1
11,075 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
Nazaré
Fátima
Peniche
Setúbal
Estoril
Evora
Oeiras
Sesimbra
Leiria
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Tomar
Comporta
Sines
Torres Vedras
Costa da Caparica

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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