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St. Louis

$435+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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1. Tell us where you want to go

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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 July 29, 2026.

This Iberia deal was found by Cheapflights users on 7/28. 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.
Fri 9/48:25 am
LIS
-
STL
2 stops17h 02m
Multiple Airlines
Thu 9/106:30 am
STL
-
LIS
1 stop20h 35m
Multiple Airlines
Deal found 7/28$905
This Iberia deal was found by Cheapflights users on 7/28. 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.
Fri 9/48:25 am
LIS
-
STL
2 stops17h 02m
Iberia
Thu 9/101:49 pm
STL
-
LIS
2 stops16h 01m
Iberia
Deal found 7/28$908
This Iberia deal was found by Cheapflights users on 7/25. 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.
Thu 8/2712:30 pm
LIS
-
STL
2 stops17h 12m
Iberia
Mon 8/3111:22 am
STL
-
LIS
1 stop15h 43m
Iberia
Deal found 7/25$915
This KLM deal was found by Cheapflights users on 7/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:00 am
LIS
-
STL
2 stops18h 38m
Multiple Airlines
Wed 9/93:40 pm
STL
-
LIS
2 stops17h 15m
Multiple Airlines
Deal found 7/25$953
This United Airlines deal was found by Cheapflights users on 7/26. 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 12/312:25 pm
LIS
-
STL
1 stop31h 20m
United Airlines
Mon 12/711:45 am
STL
-
LIS
1 stop14h 25m
United Airlines
Deal found 7/26$961
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/2711:05 am
LIS
-
STL
2 stops14h 22m
American Airlines
Mon 8/318:07 pm
STL
-
LIS
2 stops15h 48m
American Airlines
Deal found 7/25$963

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$905
(Iberia)

One-way from

$435
(Kiwi.com)
Provider with most accurate pricing for Lisbon Humberto Delgado-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Lambert-St Louis flights.
Search Deals
From Lisbon Humberto Delgado to Lambert-St Louis
Search Deals
One-way flight from Lisbon Humberto Delgado to Lambert-St Louis
Search Deals

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 July 29, 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 9/3

11:05 am-11:34 pm

1 stop18h 29m

Lambert-St Louis

Wed 9/9

6:30 am-9:05 am

1 stop20h 35m

$917
Quickest round-trip

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 9/3

5:00 am-5:38 pm

2 stops18h 38m

Lambert-St Louis

Wed 9/9

3:40 pm-2:55 pm

2 stops17h 15m

$953

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 12/3

12:25 pm-1:45 pm

1 stop31h 20m

Lambert-St Louis

Mon 12/7

11:45 am-8:10 am

1 stop14h 25m

$961
Cheapest one-way

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 9/16

5:55 am-4:24 pm

2 stops40h 29m

$435

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 11/9

10:00 am-9:40 am

2 stops53h 40m

$602

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 9/6

6:10 am-8:42 pm

2 stops20h 32m

$663

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sun 9/6

5:05 am-1:25 pm

1 stop14h 20m

$852

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sat 1/2

7:00 am-9:07 pm

2 stops20h 07m

$926

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 8/7

5:45 pm-9:39 am

2 stops45h 54m

$1,008
Quickest one-way

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 8/3

11:25 am-6:42 pm

1 stop13h 17m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 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 18h 29m. 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

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