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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.
Multiple Airlines Logo
2:50 pm - 12:10 pm
STL
-
LIS
15h 20m
2 stops
Multiple Airlines Logo
8:45 pm - 8:58 am
LIS
-
STL
18h 13m
2 stops
$737Multiple Airlines
Wed, Nov 4 - Mon, Nov 16
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
$738Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
Multiple Airlines Logo
2:00 pm - 11:20 am
STL
-
LIS
15h 20m
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
Lufthansa Logo
12:05 pm - 8:10 am
STL
-
LIS
14h 05m
1 stop
Lufthansa Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$742Lufthansa
Wed, Nov 4 - Tue, Nov 10
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 - 6:55 am
STL
-
LIS
18h 55m
2 stops
United Airlines Logo
12:25 pm - 1:45 pm
LIS
-
STL
31h 20m
1 stop
$746United Airlines
Wed, Nov 4 - Tue, Nov 10
Lufthansa Logo
3:30 pm - 11:45 am
STL
-
LIS
14h 15m
1 stop
Lufthansa Logo
5:00 am - 2:45 pm
LIS
-
STL
14h 45m
1 stop
$750Lufthansa
Mon, Oct 19 - Wed, Oct 28
Lufthansa Logo
12:10 pm - 9:20 am
STL
-
LIS
15h 10m
1 stop
Lufthansa Logo
5:00 am - 2:45 pm
LIS
-
STL
14h 45m
1 stop
$752Lufthansa
Mon, Oct 19 - Wed, Oct 28
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
United Airlines Logo
6:00 am - 6:55 am
STL
-
LIS
18h 55m
3 stops
United Airlines Logo
12:25 pm - 7:29 pm
LIS
-
STL
37h 04m
2 stops
$756United Airlines
Wed, Nov 4 - Mon, Nov 16

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British Airways flights from St. Louis to Lisbon

Our best British Airways deals on St. Louis to Lisbon flight tickets
British Airways
Nov 3
STL10:45 amLambert-St Louis
24h 55m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Nov 9
LIS3:50 pmLisbon Humberto Delgado
30h 53m
2 stops
STL4:43 pmLambert-St Louis
$790
British Airways
Jul 12
STL11:15 amLambert-St Louis
15h 50m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jul 20
LIS11:05 amLisbon Humberto Delgado
18h 27m
1 stop
STL11:32 pmLambert-St Louis
$1,483
British Airways
Jul 11
STL11:18 amLambert-St Louis
15h 47m
1 stop
LIS9:05 amLisbon Humberto Delgado
Jul 20
LIS11:05 amLisbon Humberto Delgado
18h 27m
1 stop
STL11:32 pmLambert-St Louis
$1,555

Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets
Air Canada
Nov 21
STL5:34 pmLambert-St Louis
33h 46m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS8:55 amLisbon Humberto Delgado
36h 46m
2 stops
STL3:41 pmLambert-St Louis
$763
Air Canada
Nov 21
STL5:34 pmLambert-St Louis
33h 46m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS8:55 amLisbon Humberto Delgado
36h 46m
2 stops
STL3:41 pmLambert-St Louis
$769
Air Canada
Nov 21
STL7:04 pmLambert-St Louis
32h 16m
2 stops
LIS9:20 amLisbon Humberto Delgado
Dec 3
LIS10:55 amLisbon Humberto Delgado
31h 11m
2 stops
STL12:06 pmLambert-St Louis
$773

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 July 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

Wed 11/4

2:50 pm-12:10 pm

2 stops15h 20m

Lisbon Humberto Delgado

Mon 11/16

8:45 pm-8:58 am

2 stops18h 13m

$737

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

$738

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

2:00 pm-11:20 am

2 stops15h 20m

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 11/4

12:05 pm-8:10 am

1 stop14h 05m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$742

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-6:55 am

2 stops18h 55m

Lisbon Humberto Delgado

Tue 11/10

12:25 pm-1:45 pm

1 stop31h 20m

$746
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/19

3:30 pm-11:45 am

1 stop14h 15m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-2:45 pm

1 stop14h 45m

$750

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

$752

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

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:00 am-6:55 am

3 stops18h 55m

Lisbon Humberto Delgado

Mon 11/16

12:25 pm-7:29 pm

2 stops37h 04m

$756

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 $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 $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 $1,054 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

12h 40m

Direct flights

None
The fastest flight from St. Louis to Lisbon takes 12h 40m
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 12h 40m.

  • 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
11,766 reviews
Search American Airlines flights
KLMPriceFrom $513Free CancellationRating
7.8
1,532 reviews
Search KLM flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,454 reviews
Search Delta flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
8,087 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,109 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
9,910 reviews
Search United Airlines flights
Air CanadaPriceFrom $649Free CancellationRating
7.1
11,283 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
Figueira da Foz
Estoril
Peniche
Evora
Oeiras
Leiria
Batalha
Óbidos
Sesimbra
Zambujeira do Mar
Costa da Caparica
Tomar
Sines
Torres Vedras
Comporta

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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