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St. Louis

$429+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — STL
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$714
(Delta)

One-way from

$429
(Kiwi.com)

Popular in

October

Cheapest in

December

Average price

$1,026
From Lisbon Humberto Delgado to Lambert-St Louis
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One-way flight from Lisbon Humberto Delgado to Lambert-St Louis
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Highest demand for flights based on searches. 14% potential increase in price ($177 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 14, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:00 amLIS - STL
2 stops18h 29mDelta
Tue 11/182:36 pmSTL - LIS
2 stops14h 44mDelta
Deal found 9/12$714
This Air France deal was found by Cheapflights users on 9/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:30 amLIS - STL
2 stops17h 32mAir France
Tue 11/46:14 pmSTL - LIS
2 stops14h 56mAir France
Deal found 9/12$720
This American Airlines deal was found by Cheapflights users on 9/12. 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 11/2511:10 amLIS - STL
2 stops26h 59mAmerican Airlines
Tue 12/23:43 pmSTL - LIS
2 stops19h 57mAmerican Airlines
Deal found 9/12$722
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:05 amLIS - STL
1 stop15h 55mBritish Airways
Sat 11/152:08 pmSTL - LIS
2 stops26h 22mBritish Airways
Deal found 9/12$723
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:05 amLIS - STL
1 stop15h 55mBritish Airways
Sun 11/164:42 pmSTL - LIS
2 stops23h 03mBritish Airways
Deal found 9/13$724
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:55 amLIS - STL
1 stop15h 26mBritish Airways
Mon 12/81:59 pmSTL - LIS
2 stops18h 56mBritish Airways
Deal found 9/13$725
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:30 amLIS - STL
2 stops17h 59mDelta
Wed 11/1910:45 amSTL - LIS
2 stops17h 50mDelta
Deal found 9/12$726
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:00 amLIS - STL
2 stops22h 58mDelta
Wed 12/34:32 pmSTL - LIS
2 stops18h 58mDelta
Deal found 9/12$728
This Air France deal was found by Cheapflights users on 9/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:30 amLIS - STL
2 stops17h 59mAir France
Mon 11/172:36 pmSTL - LIS
2 stops14h 44mAir France
Deal found 9/13$729

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 September 14, 2025.
Use the filters below to find and compare flights from Lisbon to St. Louis that are best for you.

Fly from

Lisbon

Fly to

St. Louis

Route

Depart

Return

Price

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Tue 11/4

5:00 am-5:29 pm

2 stops18h 29m

Lambert-St Louis

Tue 11/18

2:36 pm-11:20 am

2 stops14h 44m

$714

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 10/22

5:00 am-5:29 pm

2 stops18h 29m

Lambert-St Louis

Wed 11/12

12:49 pm-11:20 am

2 stops16h 31m

$715

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 11/6

10:55 am-8:21 pm

1 stop15h 26m

Lambert-St Louis

Tue 11/18

5:40 pm-9:45 pm

2 stops22h 05m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 11/7

11:05 am-9:00 pm

1 stop15h 55m

Lambert-St Louis

Sat 11/15

10:44 am-2:50 pm

2 stops22h 06m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 11/5

11:05 am-9:00 pm

1 stop15h 55m

Lambert-St Louis

Mon 11/17

2:05 pm-6:55 pm

2 stops22h 50m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 11/7

11:05 am-9:00 pm

1 stop15h 55m

Lambert-St Louis

Sun 11/16

7:58 pm-2:55 pm

2 stops36h 57m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Thu 11/6

10:55 am-8:21 pm

1 stop15h 26m

Lambert-St Louis

Mon 11/17

4:42 pm-6:55 pm

2 stops20h 13m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 11/5

11:05 am-9:00 pm

1 stop15h 55m

Lambert-St Louis

Tue 11/18

5:40 pm-9:45 pm

2 stops22h 05m

$723

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Wed 10/29

8:15 pm-1:57 pm

3 stops46h 42m

$429

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 10/10

9:20 pm-12:46 pm

3 stops45h 26m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 18 results
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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 15h 26m. 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.

  • What is the cheapest month to book a flight from Lisbon to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Lisbon to St. Louis (average of $311). Flying from Lisbon to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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