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Cheap flights from St. Louis to Lisbon from $595

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lisbon departing on 7/22. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
10:51 am - 10:45 am
STL
-
LIS
17h 54m
2 stops
Virgin Atlantic Logo
10:00 am - 10:15 pm
LIS
-
STL
18h 15m
2 stops
$595Virgin Atlantic
Wed, Jul 22 - Wed, Jul 29
Virgin Atlantic Logo
10:29 am - 8:00 am
STL
-
LIS
15h 31m
2 stops
Virgin Atlantic Logo
12:45 pm - 11:16 pm
LIS
-
STL
16h 31m
2 stops
$642Virgin Atlantic
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
2:18 pm - 11:20 am
STL
-
LIS
15h 02m
2 stops
Multiple Airlines Logo
5:00 am - 4:50 pm
LIS
-
STL
17h 50m
2 stops
$739Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
Air Canada Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
Air Canada Logo
11:25 am - 6:41 pm
LIS
-
STL
13h 16m
1 stop
$741Air Canada
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
7:30 am - 8:10 am
STL
-
LIS
18h 40m
1 stop
United Airlines Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$743United Airlines
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
6:00 am - 8:10 am
STL
-
LIS
20h 10m
1 stop
United Airlines Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$744United Airlines
Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
6:00 am - 6:55 am
STL
-
LIS
18h 55m
2 stops
Multiple Airlines Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$747Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
2:00 pm - 10:20 am
STL
-
LIS
14h 20m
2 stops
United Airlines Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$748United Airlines
Wed, Nov 4 - Tue, Nov 10
Air Canada Logo
2:40 pm - 9:20 am
STL
-
LIS
12h 40m
2 stops
Air Canada Logo
11:25 am - 6:41 pm
LIS
-
STL
13h 16m
1 stop
$749Air Canada
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
Multiple Airlines Logo
5:00 am - 2:45 pm
LIS
-
STL
14h 45m
1 stop
$753Multiple Airlines
Mon, Oct 19 - Wed, Oct 28

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Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets
Air Canada
Oct 14
STL12:10 pmLambert-St Louis
15h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 21
LIS11:25 amLisbon Humberto Delgado
13h 16m
1 stop
STL6:41 pmLambert-St Louis
$741
Air Canada
Oct 14
STL2:40 pmLambert-St Louis
12h 40m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 21
LIS11:25 amLisbon Humberto Delgado
13h 16m
1 stop
STL6:41 pmLambert-St Louis
$749
Air Canada
Oct 19
STL12:10 pmLambert-St Louis
15h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 28
LIS11:20 amLisbon Humberto Delgado
33h 21m
2 stops
STL3:41 pmLambert-St Louis
$755

Lufthansa flights from St. Louis to Lisbon

Our best Lufthansa deals on St. Louis to Lisbon flight tickets
Lufthansa
Jul 8
STL3:30 pmLambert-St Louis
18h 05m
1 stop
LIS3:35 pmLisbon Humberto Delgado
Jul 17
LIS5:05 amLisbon Humberto Delgado
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$1,369
Lufthansa
Jun 28
STL3:30 pmLambert-St Louis
18h 00m
1 stop
LIS3:30 pmLisbon Humberto Delgado
Jul 10
LIS6:15 amLisbon Humberto Delgado
21h 11m
2 stops
STL9:26 pmLambert-St Louis
$1,400
Lufthansa
Jun 28
STL3:30 pmLambert-St Louis
16h 10m
2 stops
LIS1:40 pmLisbon Humberto Delgado
Jul 10
LIS6:15 amLisbon Humberto Delgado
21h 11m
2 stops
STL9:26 pmLambert-St Louis
$1,418

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 June 26, 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 7/22

10:51 am-10:45 am

2 stops17h 54m

Lisbon Humberto Delgado

Wed 7/29

10:00 am-10:15 pm

2 stops18h 15m

$595

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 9/23

10:29 am-8:00 am

2 stops15h 31m

Lisbon Humberto Delgado

Wed 9/30

12:45 pm-11:16 pm

2 stops16h 31m

$642

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

2:18 pm-11:20 am

2 stops15h 02m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-4:50 pm

2 stops17h 50m

$739

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 10/14

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Wed 10/21

11:25 am-6:41 pm

1 stop13h 16m

$741

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

7:30 am-8:10 am

1 stop18h 40m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$743

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$744

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:00 am-6:55 am

2 stops18h 55m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$747

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

2:00 pm-10:20 am

2 stops14h 20m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$748
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 10/14

2:40 pm-9:20 am

2 stops12h 40m

Lisbon Humberto Delgado

Wed 10/21

11:25 am-6:41 pm

1 stop13h 16m

$749

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/19

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-2:45 pm

1 stop14h 45m

$753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 $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 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $1,059 when searching weeks 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 $746 on momondo.

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

You could potentially save up to 11% 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 00m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 14h 00m
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 00m.

  • 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
11,768 reviews
Search American Airlines flights
KLMPriceFrom $513Free CancellationRating
7.8
1,531 reviews
Search KLM flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,453 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,247 reviews
Search Iberia flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
8,071 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,094 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
Air CanadaPriceFrom $649Free CancellationRating
7.1
11,261 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
Figueira da Foz
Peniche
Evora
Oeiras
Leiria
Sesimbra
Batalha
Óbidos
Zambujeira do Mar
Costa da Caparica
Tomar
Comporta
Sines
Torres Vedras

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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