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Cheap flights from St. Louis to Lisbon from $298

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 10/17. 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 - 9:20 am
STL
-
LIS
11h 15m
1 stop
Multiple Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$710Multiple Airlines
Mon, Nov 9 - Wed, Nov 25
Multiple Airlines Logo
4:05 pm - 9:20 am
STL
-
LIS
11h 15m
1 stop
Multiple Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$714Multiple Airlines
Mon, Nov 9 - Wed, Nov 25
United Airlines Logo
1:08 pm - 8:10 am
STL
-
LIS
14h 02m
2 stops
United Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$728United Airlines
Mon, Oct 26 - Fri, Nov 6
United Airlines Logo
3:15 pm - 10:20 am
STL
-
LIS
13h 05m
2 stops
United Airlines Logo
5:00 am - 1:45 pm
LIS
-
STL
14h 45m
1 stop
$728United Airlines
Mon, Nov 9 - Wed, Nov 25
American Airlines Logo
5:31 pm - 2:55 pm
STL
-
LIS
15h 24m
2 stops
American Airlines Logo
8:20 am - 7:25 pm
LIS
-
STL
17h 05m
2 stops
$740American Airlines
Mon, Nov 9 - Wed, Nov 25
American Airlines Logo
5:31 pm - 2:55 pm
STL
-
LIS
15h 24m
2 stops
American Airlines Logo
8:20 am - 7:25 pm
LIS
-
STL
17h 05m
2 stops
$740American Airlines
Mon, Nov 9 - Wed, Nov 25
Delta Logo
4:13 pm - 5:30 pm
STL
-
LIS
19h 17m
2 stops
Delta Logo
5:00 am - 4:50 pm
LIS
-
STL
17h 50m
2 stops
$744Delta
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
$744Delta
Wed, Nov 4 - Tue, Nov 10
Air Canada Logo
4:05 pm - 9:20 am
STL
-
LIS
11h 15m
1 stop
Air Canada Logo
11:20 am - 3:26 pm
LIS
-
STL
34h 06m
1 stop
$755Air Canada
Sun, Jan 10 - Wed, Jan 13
Air Canada Logo
7:04 pm - 9:20 am
STL
-
LIS
32h 16m
2 stops
Air Canada Logo
10:55 am - 3:41 pm
LIS
-
STL
34h 46m
2 stops
$779Air Canada
Sat, Nov 21 - Thu, Dec 3

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American Airlines flights from St. Louis to Lisbon

Our best American Airlines deals on St. Louis to Lisbon flight tickets
American Airlines
Nov 9
STL5:31 pmLambert-St Louis
15h 24m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Nov 25
LIS8:20 amLisbon Humberto Delgado
17h 05m
2 stops
STL7:25 pmLambert-St Louis
$740
American Airlines
Aug 5
STL11:22 amLambert-St Louis
15h 43m
1 stop
LIS9:05 amLisbon Humberto Delgado
Aug 12
LIS8:55 amLisbon Humberto Delgado
16h 32m
2 stops
STL7:27 pmLambert-St Louis
$1,383

Air Canada flights from St. Louis to Lisbon

Our best Air Canada deals on St. Louis to Lisbon flight tickets
Air Canada
Jan 10
STL4:05 pmLambert-St Louis
11h 15m
1 stop
LIS9:20 amLisbon Humberto Delgado
Jan 13
LIS11:20 amLisbon Humberto Delgado
34h 06m
1 stop
STL3:26 pmLambert-St Louis
$755
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
34h 46m
2 stops
STL3:41 pmLambert-St Louis
$779
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 46m
2 stops
STL3:41 pmLambert-St Louis
$780

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 27, 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 - LIS

STLLIS

Lambert-St Louis

Mon 11/9

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-1:45 pm

1 stop14h 45m

$710

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 11/9

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-1:45 pm

1 stop14h 45m

$714

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 10/26

1:08 pm-8:10 am

2 stops14h 02m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-1:45 pm

1 stop14h 45m

$728

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 11/9

3:15 pm-10:20 am

2 stops13h 05m

Lisbon Humberto Delgado

Wed 11/25

5:00 am-1:45 pm

1 stop14h 45m

$728

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 11/9

5:31 pm-2:55 pm

2 stops15h 24m

Lisbon Humberto Delgado

Wed 11/25

8:20 am-7:25 pm

2 stops17h 05m

$740

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 11/9

5:31 pm-2:55 pm

2 stops15h 24m

Lisbon Humberto Delgado

Wed 11/25

8:20 am-7:25 pm

2 stops17h 05m

$740

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

4:13 pm-5:30 pm

2 stops19h 17m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-4:50 pm

2 stops17h 50m

$744

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

$744

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 1/10

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Wed 1/13

11:20 am-3:26 pm

1 stop34h 06m

$755

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 11/21

7:04 pm-9:20 am

2 stops32h 16m

Lisbon Humberto Delgado

Thu 12/3

10:55 am-3:41 pm

2 stops34h 46m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $788.

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

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
11,837 reviews
Search American Airlines flights
DeltaPriceFrom $558Free CancellationRating
7.8
8,483 reviews
Search Delta flights
British AirwaysPriceFrom $574Free CancellationRating
6.7
8,130 reviews
Search British Airways flights
LufthansaPriceFrom $606Free CancellationRating
6.8
8,160 reviews
Search Lufthansa flights
United AirlinesPriceFrom $617Free CancellationRating
7.4
10,042 reviews
Search United Airlines flights
Air CanadaPriceFrom $649Free CancellationRating
7.1
11,392 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
Figueira da Foz
Setúbal
Estoril
Fátima
Nazaré
Evora
Leiria
Peniche
Batalha
Sesimbra
Óbidos
Oeiras
Zambujeira do Mar
Tomar
Torres Vedras
Comporta
Sines
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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