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Cheap flights from St. Louis to Lisbon from $474

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 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
7:25 am - 10:45 am
STL
-
LIS
21h 20m
2 stops
Delta Logo
5:00 am - 4:15 pm
LIS
-
STL
17h 15m
2 stops
$818Delta
Wed, May 6 - Fri, May 15
Delta Logo
11:42 am - 10:45 am
STL
-
LIS
17h 03m
2 stops
Delta Logo
10:00 am - 5:05 pm
LIS
-
STL
13h 05m
1 stop
$829Delta
Wed, May 6 - Thu, May 14
Delta Logo
6:00 am - 10:45 am
STL
-
LIS
22h 45m
2 stops
Delta Logo
5:00 am - 9:38 pm
LIS
-
STL
22h 38m
2 stops
$843Delta
Thu, May 7 - Fri, May 15
Delta Logo
6:00 am - 10:45 am
STL
-
LIS
22h 45m
2 stops
Delta Logo
11:55 am - 11:59 pm
LIS
-
STL
18h 04m
2 stops
$844Delta
Thu, May 7 - Thu, May 14
United Airlines Logo
1:05 pm - 9:20 am
STL
-
LIS
14h 15m
1 stop
United Airlines Logo
11:25 am - 12:07 pm
LIS
-
STL
30h 42m
2 stops
$851United Airlines
Mon, May 11 - Fri, May 22
Delta Logo
11:25 am - 11:15 am
STL
-
LIS
17h 50m
2 stops
Delta Logo
5:00 am - 11:59 pm
LIS
-
STL
24h 59m
2 stops
$854Delta
Sat, May 9 - Sat, May 16
United Airlines Logo
8:55 am - 11:00 am
STL
-
LIS
20h 05m
1 stop
United Airlines Logo
11:25 am - 4:26 pm
LIS
-
STL
35h 01m
2 stops
$856United Airlines
Sun, Oct 4 - Fri, Oct 16
Air Canada Logo
7:05 am - 9:20 am
STL
-
LIS
20h 15m
2 stops
Air Canada Logo
11:25 am - 2:23 pm
LIS
-
STL
32h 58m
2 stops
$859Air Canada
Mon, May 11 - Fri, May 22
United Airlines Logo
8:55 am - 11:00 am
STL
-
LIS
20h 05m
1 stop
United Airlines Logo
1:00 pm - 12:20 pm
LIS
-
STL
29h 20m
2 stops
$861United Airlines
Tue, Sep 22 - Fri, Oct 2
United Airlines Logo
1:05 pm - 9:20 am
STL
-
LIS
14h 15m
1 stop
United Airlines Logo
11:25 am - 8:25 pm
LIS
-
STL
15h 00m
1 stop
$864United Airlines
Mon, May 11 - Fri, May 22

Delta flights from St. Louis to Lisbon

Our best Delta deals on St. Louis to Lisbon flight tickets
Delta
Apr 22
STL10:07 amLambert-St Louis
15h 53m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 27
LIS11:55 amLisbon Humberto Delgado
26h 35m
2 stops
STL8:30 amLambert-St Louis
$815
Delta
Apr 22
STL12:45 pmLambert-St Louis
13h 15m
1 stop
LIS8:00 amLisbon Humberto Delgado
Apr 27
LIS5:00 amLisbon Humberto Delgado
24h 13m
2 stops
STL11:13 pmLambert-St Louis
$816
Delta
May 6
STL7:25 amLambert-St Louis
21h 20m
2 stops
LIS10:45 amLisbon Humberto Delgado
May 15
LIS5:00 amLisbon Humberto Delgado
17h 15m
2 stops
STL4:15 pmLambert-St Louis
$818

United Airlines flights from St. Louis to Lisbon

Our best United Airlines deals on St. Louis to Lisbon flight tickets
United Airlines
Apr 21
STL6:15 amLambert-St Louis
21h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
May 1
LIS5:05 amLisbon Humberto Delgado
19h 48m
2 stops
STL6:53 pmLambert-St Louis
$763
United Airlines
Apr 21
STL6:15 amLambert-St Louis
21h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
May 1
LIS11:25 amLisbon Humberto Delgado
15h 00m
1 stop
STL8:25 pmLambert-St Louis
$768
United Airlines
Apr 21
STL6:15 amLambert-St Louis
21h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Apr 30
LIS10:25 amLisbon Humberto Delgado
12h 18m
1 stop
STL4:43 pmLambert-St Louis
$775

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 April 13, 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 5/6

7:25 am-10:45 am

2 stops21h 20m

Lisbon Humberto Delgado

Fri 5/15

5:00 am-4:15 pm

2 stops17h 15m

$818

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 5/6

11:42 am-10:45 am

2 stops17h 03m

Lisbon Humberto Delgado

Thu 5/14

10:00 am-5:05 pm

1 stop13h 05m

$829

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 5/7

6:00 am-10:45 am

2 stops22h 45m

Lisbon Humberto Delgado

Fri 5/15

5:00 am-9:38 pm

2 stops22h 38m

$843

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 5/7

6:00 am-10:45 am

2 stops22h 45m

Lisbon Humberto Delgado

Thu 5/14

11:55 am-11:59 pm

2 stops18h 04m

$844

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 5/11

1:05 pm-9:20 am

1 stop14h 15m

Lisbon Humberto Delgado

Fri 5/22

11:25 am-12:07 pm

2 stops30h 42m

$851

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 5/9

11:25 am-11:15 am

2 stops17h 50m

Lisbon Humberto Delgado

Sat 5/16

5:00 am-11:59 pm

2 stops24h 59m

$854

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 10/4

8:55 am-11:00 am

1 stop20h 05m

Lisbon Humberto Delgado

Fri 10/16

11:25 am-4:26 pm

2 stops35h 01m

$856

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 5/11

7:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Fri 5/22

11:25 am-2:23 pm

2 stops32h 58m

$859

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 9/22

8:55 am-11:00 am

1 stop20h 05m

Lisbon Humberto Delgado

Fri 10/2

1:00 pm-12:20 pm

2 stops29h 20m

$861
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 5/11

1:05 pm-9:20 am

1 stop14h 15m

Lisbon Humberto Delgado

Fri 5/22

11:25 am-8:25 pm

1 stop15h 00m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 $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 $1,040 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 18% 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
11,572 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,406 reviews
Search Delta flights
IberiaPriceFrom $571Free CancellationRating
7.0
3,179 reviews
Search Iberia flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
7,883 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
7,921 reviews
Search Lufthansa flights
United AirlinesPriceFrom $610Free CancellationRating
7.4
9,582 reviews
Search United Airlines flights
Air CanadaPriceFrom $675Free CancellationRating
7.1
10,922 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
Zambujeira do Mar
Óbidos
Batalha
Tomar
Comporta
Almada
Torres Vedras
Sines

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.

An easier way to manage your Lisbon trip

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