HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$247+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Lisbon 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 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$444
(Lucky2Go)

One-way from

$247
(oojo)

Popular in

December

Cheapest in

January

Average price

$622
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 ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($147 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find 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 January 15, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/192:29 pm
STL
-
LIS
2 stops21h 16m
British Airways
Mon 4/275:10 pm
LIS
-
STL
1 stop32h 20m
British Airways
Deal found 1/13$442
This Lucky2Go deal was found by Cheapflights users on 1/15. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/252:54 pm
STL
-
LIS
2 stops15h 11m
Multiple Airlines
Tue 2/106:30 am
LIS
-
STL
2 stops17h 46m
Multiple Airlines
Deal found 1/15$444
This Delta deal was found by Cheapflights users on 1/15. 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.
Sun 1/259:45 am
STL
-
LIS
1 stop16h 15m
Delta
Tue 2/1010:00 am
LIS
-
STL
2 stops16h 43m
Delta
Deal found 1/15$448
This oojo deal was found by Cheapflights users on 1/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:29 pm
STL
-
LIS
2 stops17h 26m
British Airways
Mon 4/206:45 pm
LIS
-
STL
1 stop30h 45m
British Airways
Deal found 1/15$455
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:37 am
STL
-
LIS
2 stops24h 18m
British Airways
Tue 3/247:05 am
LIS
-
STL
2 stops20h 57m
British Airways
Deal found 1/14$458
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:27 pm
STL
-
LIS
2 stops14h 48m
United Airlines
Wed 12/211:55 am
LIS
-
STL
2 stops30h 25m
United Airlines
Deal found 1/13$462
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:27 pm
STL
-
LIS
2 stops14h 48m
United Airlines
Tue 12/111:20 am
LIS
-
STL
2 stops34h 01m
United Airlines
Deal found 1/13$467
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:00 pm
STL
-
LIS
2 stops17h 10m
British Airways
Mon 3/236:35 pm
LIS
-
STL
2 stops33h 29m
British Airways
Deal found 1/13$470
This Booking.com deal was found by Cheapflights users on 1/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:05 pm
STL
-
LIS
2 stops35h 15m
Multiple Airlines
Wed 5/65:05 am
LIS
-
STL
2 stops21h 59m
Multiple Airlines
Deal found 1/13$473

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 January 15, 2026.
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

Sun 1/25

9:45 am-8:00 am

1 stop16h 15m

Lisbon Humberto Delgado

Tue 2/10

10:00 am-8:06 pm

1 stop16h 06m

$448

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/26

4:05 pm-9:20 am

2 stops35h 15m

Lisbon Humberto Delgado

Wed 5/6

5:05 am-9:04 pm

2 stops21h 59m

$473

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/8

9:33 am-12:05 pm

2 stops20h 32m

Lisbon Humberto Delgado

Sun 2/15

7:05 am-11:48 pm

2 stops22h 43m

$508

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/26

9:40 pm-11:05 pm

1 stop19h 25m

Lisbon Humberto Delgado

Wed 5/6

7:20 am-7:30 pm

1 stop18h 10m

$508

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/22

8:30 am-10:15 am

1 stop19h 45m

Lisbon Humberto Delgado

Sat 3/14

6:10 am-10:59 pm

2 stops21h 49m

$571

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/20

9:10 am-10:30 am

2 stops19h 20m

Lisbon Humberto Delgado

Fri 4/24

5:05 am-9:57 pm

2 stops22h 52m

$573

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 4/20

5:59 pm-5:50 pm

2 stops17h 51m

Lisbon Humberto Delgado

Fri 4/24

5:00 am-11:12 pm

2 stops24h 12m

$573

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 4/3

3:30 pm-3:30 pm

1 stop18h 00m

Lisbon Humberto Delgado

Mon 4/13

5:05 am-10:56 pm

2 stops23h 51m

$610

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-11:59 pm

1 stop19h 44m

$610

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 5/9

6:11 pm-11:10 pm

2 stops22h 59m

Lisbon Humberto Delgado

Sat 5/16

6:55 pm-5:12 pm

2 stops28h 17m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 21 results
1
2
3

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 January.
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
Trip.comPrice Accuracy2 starsTrust Score*3 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 January 9, 2026.

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 $1,015). 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.

How much does it cost to fly round-trip from St. Louis to Lisbon?

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 January 15, 2026.
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
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
8,051 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
9,164 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
11,136 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
10,624 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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
7,718 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.9

Overall

7.9

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?

    Delta and British Airways can get you from St. Louis to Lisbon in just under 16h 15m. Your travel time can differ by up to 4h 17m. 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 United Airlines and Lufthansa - these airlines can fly you to your destination from $617 and $626, 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 $384, 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 $1,015). 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

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 St. Louis to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Lisbon flights
St. Louis to Porto flights
Kansas City to Porto flights
Kansas City to Ponta Delgada flights
St. Louis to Lajes flights
Kansas City to Lajes flights

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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$505Average$1,180FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$617Average$992FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$626Average$884FlexibilityNo cancel feeOn-time76%
IberiaCheapest$649Average$833FlexibilityNo cancel feeOn-time77%
DeltaCheapest$718Average$884FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$741Average$1,081FlexibilityNo cancel feeOn-time67%

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.