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Cheap flights from St. Louis to Lisbon from $359

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 1/12. 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.
Multiple Airlines Logo
4:05 pm - 8:55 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
10h 50m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:00 am - 1:45 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
14h 45m1 stop Frankfurt am Main
$703Multiple Airlines
Wed, Nov 4 - Fri, Nov 20
Multiple Airlines Logo
4:05 pm - 8:55 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
10h 50m1 stop Toronto Pearson Intl
Multiple Airlines Logo
11:20 am - 10:32 amLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
29h 12m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$708Multiple Airlines
Wed, Nov 4 - Fri, Nov 20
Delta Logo
6:47 am - 8:00 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
19h 13m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
5:00 am - 11:23 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
24h 23m2 stops Amsterdam Schiphol Minneapolis St Paul
$740Delta
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
11:29 am - 8:10 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
14h 41m1 stop Newark
United Airlines Logo
12:50 pm - 12:10 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
29h 20m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$756United Airlines
Wed, Nov 4 - Tue, Nov 10
Lufthansa Logo
4:40 pm - 11:35 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
5:00 am - 1:45 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
14h 45m1 stop Frankfurt am Main
$765Lufthansa
Fri, Oct 30 - Fri, Nov 6
United Airlines Logo
5:34 pm - 9:20 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
33h 46m2 stops Chicago O'Hare Intl Toronto Pearson Intl
United Airlines Logo
10:55 am - 3:41 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
34h 46m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$769United Airlines
Sat, Nov 21 - Thu, Dec 3
Air Canada Logo
5:34 pm - 9:20 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
33h 46m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
10:55 am - 12:06 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
31h 11m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$769Air Canada
Sat, Nov 21 - Thu, Dec 3
Air Canada Logo
12:10 pm - 9:20 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
15h 10m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:00 pm - 2:00 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
31h 00m1 stop Toronto Pearson Intl
$773Air Canada
Wed, Oct 14 - Fri, Oct 23
Delta Logo
10:31 am - 11:25 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
18h 54m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
5:00 am - 11:23 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
24h 23m2 stops Amsterdam Schiphol Minneapolis St Paul
$790Delta
Tue, Nov 3 - Mon, Nov 9
Lufthansa Logo
3:40 pm - 11:35 amSTL  Lambert-St Louis-LIS Lisbon Humberto Delgado
13h 55m1 stop Frankfurt am Main
Lufthansa Logo
5:00 am - 1:45 pmLIS  Lisbon Humberto Delgado-STL Lambert-St Louis
14h 45m1 stop Frankfurt am Main
$816Lufthansa
Fri, Nov 27 - Sun, Dec 6

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Delta flights from St. Louis to Lisbon

Our best Delta deals on St. Louis to Lisbon flight tickets
Delta
Nov 4
STL6:47 amLambert-St Louis
19h 13m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 10
LIS5:00 amLisbon Humberto Delgado
24h 23m
2 stops
STL11:23 pmLambert-St Louis
$740
Delta
Nov 3
STL10:31 amLambert-St Louis
18h 54m
2 stops
LIS11:25 amLisbon Humberto Delgado
Nov 9
LIS5:00 amLisbon Humberto Delgado
24h 23m
2 stops
STL11:23 pmLambert-St Louis
$790
Delta
Sep 28
STL10:05 amLambert-St Louis
15h 55m
2 stops
LIS8:00 amLisbon Humberto Delgado
Oct 13
LIS10:00 amLisbon Humberto Delgado
17h 23m
2 stops
STL9:23 pmLambert-St Louis
$798

United Airlines flights from St. Louis to Lisbon

Our best United Airlines deals on St. Louis to Lisbon flight tickets
United Airlines
Nov 4
STL11:29 amLambert-St Louis
14h 41m
1 stop
LIS8:10 amLisbon Humberto Delgado
Nov 10
LIS12:50 pmLisbon Humberto Delgado
29h 20m
2 stops
STL12:10 pmLambert-St Louis
$756
United Airlines
Nov 21
STL5:34 pmLambert-St Louis
33h 46m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS10:55 amLisbon Humberto Delgado
36h 01m
2 stops
STL4:56 pmLambert-St Louis
$769
United Airlines
Nov 4
STL1:00 pmLambert-St Louis
15h 20m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 10
LIS10:15 amLisbon Humberto Delgado
17h 37m
1 stop
STL9:52 pmLambert-St Louis
$776

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 15, 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
Quickest round-trip

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

4:05 pm-8:55 am

1 stop10h 50m

Lisbon Humberto Delgado

Fri 11/20

5:00 am-1:45 pm

1 stop14h 45m

$703

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

4:05 pm-8:55 am

1 stop10h 50m

Lisbon Humberto Delgado

Fri 11/20

11:20 am-10:32 am

2 stops29h 12m

$708

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

6:47 am-8:00 am

2 stops19h 13m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-11:23 pm

2 stops24h 23m

$740

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 11/4

11:29 am-8:10 am

1 stop14h 41m

Lisbon Humberto Delgado

Tue 11/10

12:50 pm-12:10 pm

2 stops29h 20m

$756

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Fri 10/30

4:40 pm-11:35 am

1 stop13h 55m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-1:45 pm

1 stop14h 45m

$765

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

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-3:41 pm

2 stops34h 46m

$769

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

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

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Wed 10/14

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Fri 10/23

1:00 pm-2:00 pm

1 stop31h 00m

$773

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Tue 11/3

10:31 am-11:25 am

2 stops18h 54m

Lisbon Humberto Delgado

Mon 11/9

5:00 am-11:23 pm

2 stops24h 23m

$790

St. LouisLisbon

STL Lambert-St Louis - LIS Lisbon Humberto Delgado

STLLIS

Lambert-St Louis

Fri 11/27

3:40 pm-11:35 am

1 stop13h 55m

Lisbon Humberto Delgado

Sun 12/6

5:00 am-1:45 pm

1 stop14h 45m

$816

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $703.

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 $1,019 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 7% 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 25m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 14h 25m
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 25m.

  • 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
11,941 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,508 reviews
Search Delta flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
8,167 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,195 reviews
Search Lufthansa flights
United AirlinesPriceFrom $610Free CancellationRating
7.4
10,110 reviews
Search United Airlines flights
Air CanadaPriceFrom $649Free CancellationRating
7.1
11,479 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
Estoril
Figueira da Foz
Setúbal
Nazaré
Evora
Ericeira
Óbidos
Peniche
Tomar
Batalha
Leiria
Oeiras
Sesimbra
Zambujeira do Mar
Comporta
Sines
Caldas da Rainha
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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