Lisbon

$474+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Jun 12 — Jun 191
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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 May 13, 2026.

This KAYAK deal was found by Cheapflights users on 5/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:42 pm
STL
-
LIS
2 stops18h 23m
Scandinavian Airlines
Tue 11/104:55 pm
LIS
-
STL
2 stops36h 44m
Scandinavian Airlines
Deal found 5/8$770
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:30 am
STL
-
LIS
1 stop19h 40m
United Airlines
Wed 12/95:00 am
LIS
-
STL
1 stop14h 55m
United Airlines
Deal found 5/8$778
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 10/2811:45 am
STL
-
LIS
1 stop15h 25m
United Airlines
Wed 11/185:00 am
LIS
-
STL
1 stop14h 55m
United Airlines
Deal found 5/10$779
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:30 am
STL
-
LIS
1 stop18h 40m
United Airlines
Tue 11/1011:20 am
LIS
-
STL
2 stops35h 20m
United Airlines
Deal found 5/12$781
This Air Canada deal was found by Cheapflights users on 5/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:23 am
STL
-
LIS
2 stops18h 27m
Air Canada
Wed 12/911:20 am
LIS
-
STL
2 stops34h 18m
Air Canada
Deal found 5/12$784
This Air Canada deal was found by Cheapflights users on 5/9. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:15 pm
STL
-
LIS
2 stops35h 35m
Air Canada
Wed 12/911:20 am
LIS
-
STL
2 stops32h 58m
Air Canada
Deal found 5/9$788
This CheapOair deal was found by Cheapflights users on 5/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:23 am
STL
-
LIS
2 stops19h 37m
Air Canada
Wed 11/1811:20 am
LIS
-
STL
2 stops34h 18m
Air Canada
Deal found 5/10$789
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:45 am
STL
-
LIS
1 stop16h 20m
British Airways
Tue 11/1011:05 am
LIS
-
STL
1 stop15h 50m
British Airways
Deal found 5/10$796

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 May 13, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$770
(KAYAK)

One-way from

$474
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$981
Provider with most accurate pricing for Lambert-St Louis-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Lisbon Humberto Delgado flights.
From Lambert-St Louis to Lisbon Humberto Delgado
One-way flight from Lambert-St Louis to Lisbon Humberto Delgado
Highest demand for flights based on searches. 23% potential increase in price ($315 potential increase over avg. RT price).
Cheapest flight prices on average. 16% potential price decrease ($149 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 13, 2026.
Use the filters below to find and compare flights from St. Louis to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

7:30 am-8:10 am

1 stop18h 40m

Lisbon Humberto Delgado

Tue 11/10

11:20 am-4:40 pm

2 stops35h 20m

$781

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

6:30 am-9:50 am

2 stops21h 20m

Lisbon Humberto Delgado

Mon 11/9

1:00 pm-3:38 pm

2 stops32h 38m

$835

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 11/1

5:20 pm-8:10 am

1 stop32h 50m

Lisbon Humberto Delgado

Sat 11/7

1:00 pm-3:30 pm

1 stop32h 30m

$837

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

11:51 am-9:00 am

2 stops15h 09m

Lisbon Humberto Delgado

Mon 11/9

11:30 am-11:39 pm

2 stops18h 09m

$845
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

3:23 pm-2:45 pm

2 stops17h 22m

Lisbon Humberto Delgado

Mon 11/9

11:05 am-8:55 pm

1 stop15h 50m

$848

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 11/5

7:30 am-9:50 am

2 stops20h 20m

Lisbon Humberto Delgado

Sun 11/15

5:00 am-1:55 pm

1 stop14h 55m

$882

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 10/15

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Fri 10/23

11:25 am-11:03 am

2 stops29h 38m

$903

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 8/30

7:00 am-9:20 am

3 stops20h 20m

Lisbon Humberto Delgado

Wed 9/9

5:05 am-1:25 pm

1 stop14h 20m

$954

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 9/8

5:32 pm-11:05 am

2 stops35h 33m

Lisbon Humberto Delgado

Wed 10/7

5:05 am-1:25 pm

1 stop14h 20m

$954

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 7/27

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Tue 8/4

11:25 am-12:11 pm

2 stops30h 46m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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?

To ensure you get the cheapest price possible for a flight from St. Louis to Lisbon, you should look to book at least 22 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, April is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $589). Flying from St. Louis to Lisbon in December is currently the most expensive (average of $2,668). 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 May 13, 2026.
Read through reviews of airlines operating flights from St. Louis to Lisbon, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 can get you from St. Louis to Lisbon in just under 17h 47m. Your travel time can differ by up to . The distance from St. Louis to Lisbon is about 4212 mi.

  • 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 Delta and Iberia - these airlines can fly you to your destination from $558 and $571, respectively. Users have found that American Airlines is 51% cheaper than the other options available to this destination.

  • 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, April is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $589). Flying from St. Louis to Lisbon in December is currently the most expensive (average of $2,668). 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
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 7 airlines flying from St. Louis to Lisbon

Discover the top 7 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 May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$505Average$1,075FlexibilityNo cancel feeOn-time71%
DeltaCheapest$558Average$609FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$571Average$754FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$574Average$686FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$606Average$820FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$617Average$1,029FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$675Average$1,072FlexibilityNo cancel feeOn-time67%

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