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Lisbon

$347+ Cheap flights from St. Louis (STL) to Lisbon (LIS)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from St. Louis to Lisbon

Cheapest flights from St. Louis to Lisbon
Explore the most affordable flight options available from St. Louis to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Gurufare deal was found by Cheapflights users on 12/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:01 pmSTL - LIS
2 stops31h 04mMultiple Airlines
Sun 1/43:55 pmLIS - STL
2 stops37h 49mMultiple Airlines
Deal found 12/25$2,500
This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:05 pmSTL - LIS
1 stop11h 15mMultiple Airlines
Sat 1/34:45 pmLIS - STL
2 stops59h 50mMultiple Airlines
Deal found 12/26$3,627
This KLM deal was found by Cheapflights users on 12/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:41 pmSTL - LIS
2 stops35h 49mKLM
Sat 1/35:00 amLIS - STL
2 stops19h 17mKLM
Deal found 12/26$3,742
This KAYAK deal was found by Cheapflights users on 12/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:50 pmSTL - LIS
1 stop13h 45mLufthansa
Sun 1/411:55 amLIS - STL
1 stop13h 27mLufthansa
Deal found 12/26$3,764
This AranGrant deal was found by Cheapflights users on 12/26. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:05 pmSTL - LIS
2 stops20h 35mLufthansa
Sat 1/36:10 amLIS - STL
2 stops21h 33mLufthansa
Deal found 12/26$16,099

Find flight deals from St. Louis to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lisbon (LIS). 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$463
(Kiwi.com)

One-way from

$347
(Delta)

Popular in

December

Cheapest in

January

Average price

$2,683
Provider with most accurate pricing for Lambert-St Louis-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Lisbon Humberto Delgado flights.
Search Deals
From Lambert-St Louis to Lisbon Humberto Delgado
Search Deals
One-way flight from Lambert-St Louis to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($274 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($146 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from St. Louis to Lisbon that are best for you.

Fly from

St. Louis

Fly to

Lisbon

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 1/23

9:57 am-9:20 am

2 stops17h 23m

Lisbon Humberto Delgado

Tue 1/27

5:00 am-11:59 pm

2 stops24h 59m

$492

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 1/23

9:57 am-9:20 am

2 stops17h 23m

Lisbon Humberto Delgado

Fri 1/30

8:20 am-11:59 pm

2 stops21h 39m

$492

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/8

11:20 am-8:10 am

2 stops14h 50m

Lisbon Humberto Delgado

Sun 2/15

5:00 am-9:05 pm

2 stops22h 05m

$499

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 5/1

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Sun 5/10

5:00 am-6:02 pm

2 stops19h 02m

$500

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/8

11:22 am-8:10 am

1 stop14h 48m

Lisbon Humberto Delgado

Sun 2/15

10:15 am-12:05 am

1 stop19h 50m

$503

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 2/9

9:33 am-9:05 am

1 stop17h 32m

Lisbon Humberto Delgado

Mon 2/16

11:05 am-11:23 pm

1 stop18h 18m

$506

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 3/22

2:00 pm-12:05 pm

2 stops17h 05m

Lisbon Humberto Delgado

Sun 3/29

5:10 pm-11:52 pm

2 stops36h 42m

$508

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 1/23

4:05 pm-9:20 am

1 stop11h 15m

Lisbon Humberto Delgado

Tue 1/27

10:15 am-5:18 pm

1 stop13h 03m

$508

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 3/16

9:42 am-8:00 am

2 stops17h 18m

Lisbon Humberto Delgado

Tue 3/24

11:15 am-8:44 am

2 stops26h 29m

$561

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 3/17

1:34 pm-8:00 am

2 stops13h 26m

Lisbon Humberto Delgado

Tue 3/24

10:00 am-9:05 am

2 stops28h 05m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 19 results
1
2

Compare providers for flights from St. Louis to Lisbon

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 St. Louis to Lisbon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 St. Louis-Lisbon flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Lisbon flights, Cheapflights users trust eDreams the most. eDreams 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 St. Louis-Lisbon 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 St. Louis to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Lisbon

How far ahead should I book a flight from St. Louis to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Lisbon. Price data was last updated on December 26, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Lisbon, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $502). Flying from St. Louis to Lisbon in June is currently the most expensive (average of $1,018). 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.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated December 28, 2025.
Read through reviews of airlines operating flights from St. Louis to Lisbon, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,022 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,116 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,069 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,562 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,657 reviews
Delta
7.9
Good
8,022 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lisbon. 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 St. Louis to Lisbon?

    United Airlines and Delta can get you from St. Louis to Lisbon in just under 14h 50m. Your travel time can differ by up to 5h 10m. The distance from St. Louis to Lisbon is about 4212 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Lisbon round-trip?

    Currently priced at $505, American Airlines will fly you from St. Louis to Lisbon and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Iberia and United Airlines - these airlines can fly you to your destination from $571 and $617, respectively. Users have found that American Airlines is 53% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Lisbon one-way?

    $352 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $371 and $391, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Lisbon 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 St. Louis to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $502). Flying from St. Louis to Lisbon in June is currently the most expensive (average of $1,018). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Beja
Costa da Caparica
Torres Vedras
Nazaré
Sesimbra
Colares

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Alternative routes for St. Louis to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from St. Louis to Lisbon

Discover the top 6 airlines that operate flights from St. Louis to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$505Average$1,167FlexibilityNo cancel feeOn-time71%
IberiaCheapest$571Average$781FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$617Average$988FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$626Average$901FlexibilityNo cancel feeOn-time76%
DeltaCheapest$718Average$884FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$796Average$1,086FlexibilityNo cancel feeOn-time67%

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