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Cheap flights from St. Louis to Lisbon from $348

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 11/10. 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.
Iberia Logo
11:21 am - 9:05 am
STL
-
LIS
16h 44m
1 stop
Iberia Logo
6:50 pm - 12:28 pm
LIS
-
STL
23h 38m
2 stops
$717Iberia
Sun, Oct 25 - Mon, Nov 2
Iberia Logo
1:15 pm - 9:05 am
STL
-
LIS
13h 50m
1 stop
Iberia Logo
8:45 pm - 10:37 am
LIS
-
STL
19h 52m
2 stops
$717Iberia
Wed, Nov 25 - Wed, Dec 2
United Airlines Logo
11:38 am - 8:10 am
STL
-
LIS
14h 32m
1 stop
United Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$728United Airlines
Tue, Nov 24 - Fri, Dec 4
United Airlines Logo
5:00 pm - 8:10 am
STL
-
LIS
10h 10m
1 stop
United Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$728United Airlines
Tue, Oct 27 - Wed, Nov 4
Air Canada Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
Air Canada Logo
1:00 pm - 2:00 pm
LIS
-
STL
31h 00m
1 stop
$735Air Canada
Mon, Sep 21 - Tue, Oct 6
Delta Logo
6:47 am - 11:20 am
STL
-
LIS
22h 33m
2 stops
Delta Logo
5:00 am - 11:23 pm
LIS
-
STL
24h 23m
2 stops
$739Delta
Wed, Nov 4 - Tue, Nov 10
Delta Logo
7:00 am - 8:00 am
STL
-
LIS
19h 00m
2 stops
Delta Logo
5:00 am - 8:51 pm
LIS
-
STL
21h 51m
2 stops
$739Delta
Wed, Nov 4 - Tue, Nov 10
Lufthansa Logo
1:08 pm - 11:30 pm
STL
-
LIS
29h 22m
2 stops
Lufthansa Logo
5:00 am - 9:40 pm
LIS
-
STL
22h 40m
2 stops
$750Lufthansa
Tue, Oct 27 - Thu, Nov 5
Lufthansa Logo
6:50 pm - 11:30 pm
STL
-
LIS
23h 40m
2 stops
Lufthansa Logo
5:00 am - 9:56 pm
LIS
-
STL
22h 56m
2 stops
$750Lufthansa
Mon, Oct 26 - Fri, Nov 6
Air Canada Logo
5:34 pm - 9:20 am
STL
-
LIS
33h 46m
2 stops
Air Canada Logo
10:55 am - 12:06 pm
LIS
-
STL
31h 11m
2 stops
$769Air Canada
Sat, Nov 21 - Thu, Dec 3

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Iberia flights from St. Louis to Lisbon

Our best Iberia deals on St. Louis to Lisbon flight tickets
Iberia
Oct 25
STL11:21 amLambert-St Louis
16h 44m
1 stop
LIS9:05 amLisbon Humberto Delgado
Nov 2
LIS6:50 pmLisbon Humberto Delgado
23h 38m
2 stops
STL12:28 pmLambert-St Louis
$717
Iberia
Oct 25
STL8:48 amLambert-St Louis
22h 02m
2 stops
LIS11:50 amLisbon Humberto Delgado
Nov 2
LIS4:45 pmLisbon Humberto Delgado
25h 43m
2 stops
STL12:28 pmLambert-St Louis
$725
Iberia
Oct 29
STL11:21 amLambert-St Louis
16h 44m
1 stop
LIS9:05 amLisbon Humberto Delgado
Nov 4
LIS6:30 amLisbon Humberto Delgado
17h 47m
2 stops
STL6:17 pmLambert-St Louis
$765

Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets
Air Canada
Sep 21
STL12:10 pmLambert-St Louis
15h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
Oct 6
LIS1:00 pmLisbon Humberto Delgado
31h 00m
1 stop
STL2:00 pmLambert-St Louis
$735
Air Canada
Nov 21
STL5:34 pmLambert-St Louis
33h 46m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS10:55 amLisbon Humberto Delgado
31h 11m
2 stops
STL12:06 pmLambert-St Louis
$770
Air Canada
Nov 21
STL5:34 pmLambert-St Louis
33h 46m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS10:55 amLisbon Humberto Delgado
34h 31m
1 stop
STL3:26 pmLambert-St Louis
$782

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 August 1, 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

Sun 10/25

11:21 am-9:05 am

1 stop16h 44m

Lisbon Humberto Delgado

Mon 11/2

6:50 pm-12:28 pm

2 stops23h 38m

$717

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/25

1:15 pm-9:05 am

1 stop13h 50m

Lisbon Humberto Delgado

Wed 12/2

8:45 pm-10:37 am

2 stops19h 52m

$717

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/24

11:38 am-8:10 am

1 stop14h 32m

Lisbon Humberto Delgado

Fri 12/4

5:00 am-1:45 pm

1 stop14h 45m

$728
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 10/27

5:00 pm-8:10 am

1 stop10h 10m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-1:45 pm

1 stop14h 45m

$728

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 9/21

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Tue 10/6

1:00 pm-2:00 pm

1 stop31h 00m

$735

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:47 am-11:20 am

2 stops22h 33m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-11:23 pm

2 stops24h 23m

$739

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

7:00 am-8:00 am

2 stops19h 00m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-8:51 pm

2 stops21h 51m

$739

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 10/27

1:08 pm-11:30 pm

2 stops29h 22m

Lisbon Humberto Delgado

Thu 11/5

5:00 am-9:40 pm

2 stops22h 40m

$750

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/26

6:50 pm-11:30 pm

2 stops23h 40m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-9:56 pm

2 stops22h 56m

$750

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 11/21

5:34 pm-9:20 am

2 stops33h 46m

Lisbon Humberto Delgado

Thu 12/3

10:55 am-12:06 pm

2 stops31h 11m

$769

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,048 to $1,439.
The lowest price recently found on this route was $717.

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 $587. 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 $682.

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 $1,091 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 6% 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

11h 15m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 11h 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 11h 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 $502Free CancellationRating
7.1
11,848 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,497 reviews
Search Delta flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
8,136 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,168 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
10,062 reviews
Search United Airlines flights
Air CanadaPriceFrom $649Free CancellationRating
7.1
11,415 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
Figueira da Foz
Setúbal
Estoril
Fátima
Nazaré
Evora
Ericeira
Leiria
Peniche
Óbidos
Sesimbra
Batalha
Tomar
Oeiras
Zambujeira do Mar
Torres Vedras
Comporta
Sines
Caldas da Rainha

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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