St. Louis

$451+ Cheap flights from Lisbon (LIS) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Apr 10 — Apr 171
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lisbon to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Lisbon to St. Louis

Cheapest flights from Lisbon to St. Louis
Explore the most affordable flight options available from Lisbon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:25 am
LIS
-
STL
2 stops15h 39m
American Airlines
Mon 10/198:05 pm
STL
-
LIS
2 stops15h 50m
American Airlines
Deal found 3/6$869
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:35 am
LIS
-
STL
2 stops23h 11m
American Airlines
Mon 5/48:03 pm
STL
-
LIS
2 stops15h 52m
American Airlines
Deal found 3/8$870
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:05 am
LIS
-
STL
1 stop14h 20m
United Airlines
Tue 4/710:00 am
STL
-
LIS
2 stops18h 30m
United Airlines
Deal found 3/10$881
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2610:55 am
LIS
-
STL
1 stop16h 55m
American Airlines
Mon 3/3012:05 pm
STL
-
LIS
2 stops15h 00m
American Airlines
Deal found 3/8$882
This Mytrip deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:05 am
LIS
-
STL
2 stops24h 52m
Lufthansa
Tue 4/711:37 am
STL
-
LIS
2 stops20h 03m
Lufthansa
Deal found 3/10$890
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:05 am
LIS
-
STL
1 stop14h 24m
American Airlines
Tue 4/286:29 am
STL
-
LIS
1 stop20h 36m
American Airlines
Deal found 3/7$891
This Iberia deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:25 am
LIS
-
STL
2 stops19h 54m
Iberia
Tue 4/2812:27 pm
STL
-
LIS
2 stops17h 23m
Iberia
Deal found 3/7$895
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:25 am
LIS
-
STL
1 stop36h 00m
United Airlines
Mon 10/193:15 pm
STL
-
LIS
2 stops13h 15m
United Airlines
Deal found 3/6$904

Find flight deals from Lisbon to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$870
(American Airlines)

One-way from

$451
(Kiwi.com)
Provider with most accurate pricing for Lisbon Humberto Delgado-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Lambert-St Louis flights.
From Lisbon Humberto Delgado to Lambert-St Louis
One-way flight from Lisbon Humberto Delgado to Lambert-St Louis

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 11, 2026.
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

Cheapest round-trip

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/30

11:05 am-12:48 pm

1 stop31h 43m

Lambert-St Louis

Mon 5/4

8:03 pm-5:55 pm

2 stops15h 52m

$871

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 4/3

5:05 am-1:25 pm

1 stop14h 20m

Lambert-St Louis

Tue 4/7

12:15 pm-10:30 am

1 stop16h 15m

$881

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/16

6:35 am-7:30 pm

2 stops18h 55m

Lambert-St Louis

Mon 4/20

1:29 pm-9:05 am

1 stop13h 36m

$881

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 4/3

5:05 am-1:25 pm

1 stop14h 20m

Lambert-St Louis

Tue 4/7

10:00 am-10:30 am

2 stops18h 30m

$881
Quickest round-trip

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/16

11:05 am-7:29 pm

1 stop14h 24m

Lambert-St Louis

Mon 4/20

1:29 pm-9:05 am

1 stop13h 36m

$882

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Tue 4/21

11:05 am-7:29 pm

1 stop14h 24m

Lambert-St Louis

Tue 4/28

4:30 pm-2:30 pm

2 stops16h 00m

$890

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Tue 4/21

8:25 am-10:19 pm

2 stops19h 54m

Lambert-St Louis

Tue 4/28

12:27 pm-11:50 am

2 stops17h 23m

$895

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 4/30

10:25 am-4:43 pm

1 stop12h 18m

Lambert-St Louis

Mon 5/4

8:45 am-10:30 am

1 stop19h 45m

$913

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 6/15

6:35 am-11:54 pm

2 stops23h 19m

Lambert-St Louis

Mon 7/27

5:00 pm-11:25 pm

2 stops24h 25m

$927
Cheapest one-way

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 5/28

7:35 pm-7:47 am

3 stops42h 12m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Lisbon to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to St. Louis in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lisbon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Lisbon to St. Louis?

    Departing from Lisbon to St. Louis will take you 14h 20m. Airlines will cover a distance of 4212 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Lisbon to St. Louis that include hotel bookings?

    Yes. In addition to deals on Lisbon to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to St. Louis.

  • Can I find deals for business class flights from Lisbon to St. Louis?

    Yes. Cheapflights offers flight deals from Lisbon to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Lisbon to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.