Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Lisbon to St. Louis from $798

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to St. Louis departing on 12/26. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Lisbon to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:00 am - 1:55 pmLIS-STL
14h 55m1 stop
Lufthansa Logo
12:44 pm - 8:10 amSTL-LIS
13h 26m1 stop
$798Lufthansa
Find Deal
Fri, Dec 26 - Tue, Dec 30
Scandinavian Airlines Logo
4:40 pm - 11:39 pmLIS-STL
36h 59m2 stops
Scandinavian Airlines Logo
3:45 pm - 9:30 pmSTL-LIS
23h 45m2 stops
$802Scandinavian Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
8:20 am - 6:14 pmLIS-STL
15h 54m2 stops
American Airlines Logo
12:11 pm - 9:55 pmSTL-LIS
27h 44m2 stops
$841American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
Air France Logo
5:30 am - 5:01 pmLIS-STL
17h 31m2 stops
Air France Logo
5:59 pm - 3:10 pmSTL-LIS
15h 11m2 stops
$850Air France
Find Deal
Fri, Dec 26 - Tue, Dec 30
United Airlines Logo
11:55 am - 7:22 pmLIS-STL
13h 27m1 stop
United Airlines Logo
11:05 am - 10:15 amSTL-LIS
17h 10m2 stops
$854United Airlines
Find Deal
Fri, Dec 26 - Tue, Dec 30
Lufthansa Logo
10:15 am - 11:59 pmLIS-STL
19h 44m1 stop
Lufthansa Logo
11:22 am - 8:10 amSTL-LIS
14h 48m1 stop
$856Lufthansa
Find Deal
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
6:10 am - 8:41 pmLIS-STL
20h 31m3 stops
Multiple Airlines Logo
4:05 pm - 4:25 pmSTL-LIS
18h 20m2 stops
$1,825Multiple Airlines
Find Deal
Fri, Dec 26 - Tue, Dec 30

Lufthansa flights from Lisbon to St. Louis

Our best Lufthansa deals on Lisbon to St. Louis flight tickets
Lufthansa
Dec 26
LIS5:00 amLisbon Humberto Delgado
14h 55m
1 stop
STL1:55 pmLambert-St Louis
Dec 30
STL12:44 pmLambert-St Louis
13h 26m
1 stop
LIS8:10 amLisbon Humberto Delgado
$798
Find similar
Lufthansa
Jan 16
LIS10:15 amLisbon Humberto Delgado
19h 44m
1 stop
STL11:59 pmLambert-St Louis
Jan 19
STL11:22 amLambert-St Louis
14h 48m
1 stop
LIS8:10 amLisbon Humberto Delgado
$856
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to St. Louis 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 November 20, 2025.
Use the filters below to find and compare flights from Lisbon to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 12/26

5:00 am-1:55 pm

1 stop14h 55m

Lambert-St Louis

Tue 12/30

12:44 pm-8:10 am

1 stop13h 26m

$798

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

4:40 pm-11:39 pm

2 stops36h 59m

Lambert-St Louis

Mon 1/19

3:45 pm-9:30 pm

2 stops23h 45m

$802

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

8:20 am-6:14 pm

2 stops15h 54m

Lambert-St Louis

Mon 1/19

12:11 pm-9:55 pm

2 stops27h 44m

$841

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 12/26

5:30 am-5:01 pm

2 stops17h 31m

Lambert-St Louis

Tue 12/30

5:59 pm-3:10 pm

2 stops15h 11m

$850

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 12/26

11:55 am-7:22 pm

1 stop13h 27m

Lambert-St Louis

Tue 12/30

11:05 am-10:15 am

2 stops17h 10m

$854

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 1/16

10:15 am-11:59 pm

1 stop19h 44m

Lambert-St Louis

Mon 1/19

11:22 am-8:10 am

1 stop14h 48m

$856

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 12/26

6:10 am-8:41 pm

3 stops20h 31m

Lambert-St Louis

Tue 12/30

4:05 pm-4:25 pm

2 stops18h 20m

$1,825

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Lisbon to St. Louis

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 Lisbon and St. Louis?

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $898. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,021. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Can stopping save me money on Lisbon to St. Louis flights?

You could potentially save up to 65% on your flight if you consider stops on a Lisbon to St. Louis flight.

When to book flights from Lisbon to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lisbon to St. Louis (LIS to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to St. Louis

Direct flights

None
There are no direct flights from Lisbon to St. Louis. There are no popular flight routes from Lisbon to St. Louis.
Search flight deals

  • How far is Lisbon Humberto Delgado to Lambert-St Louis by plane?

    A flight from Lisbon Humberto Delgado to Lambert-St Louis will travel around 4210.2 mi. Flights usually cover this in 13h 27m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Lambert-St Louis Airport?

    Prices for flights from Lisbon Humberto Delgado Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Lambert-St Louis 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 Lisbon Humberto Delgado Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lisbon to St. Louis for you.

Can I find flights from Lisbon to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Lisbon to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Lisbon to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lisbon to St. Louis.

I’m not ready to book a flight from Lisbon to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Lisbon to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/20
Sat 12/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States