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Lisbon

$591+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
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 June 28, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:51 am
STL
-
LIS
2 stops17h 54m
Virgin Atlantic
Wed 7/2910:00 am
LIS
-
STL
2 stops18h 15m
Virgin Atlantic
Deal found 6/24$595
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:29 am
STL
-
LIS
2 stops15h 31m
Virgin Atlantic
Wed 9/3012:45 pm
LIS
-
STL
2 stops16h 31m
Virgin Atlantic
Deal found 6/24$642
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm
STL
-
LIS
2 stops15h 20m
Multiple Airlines
Mon 11/168:45 pm
LIS
-
STL
2 stops18h 13m
Multiple Airlines
Deal found 6/28$737
This Air France deal was found by Cheapflights users on 6/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:18 pm
STL
-
LIS
2 stops15h 02m
Multiple Airlines
Tue 11/105:00 am
LIS
-
STL
2 stops17h 50m
Multiple Airlines
Deal found 6/26$738
This Expedia deal was found by Cheapflights users on 6/24. 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.
Wed 10/1412:10 pm
STL
-
LIS
1 stop15h 10m
Air Canada
Wed 10/2111:25 am
LIS
-
STL
1 stop13h 16m
Air Canada
Deal found 6/24$741
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Wed 11/46:00 am
STL
-
LIS
1 stop20h 10m
United Airlines
Tue 11/1012:25 pm
LIS
-
STL
1 stop31h 20m
United Airlines
Deal found 6/26$743
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:05 am
STL
-
LIS
2 stops15h 55m
Virgin Atlantic
Wed 9/3010:00 am
LIS
-
STL
2 stops15h 58m
Virgin Atlantic
Deal found 6/24$744

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 June 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$595
(Virgin Atlantic)

One-way from

$591
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,291
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. 22% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease ($146 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 28, 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

12:25 pm-1:45 pm

1 stop31h 20m

$743

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/4

6:00 am-8:10 am

1 stop20h 10m

Lisbon Humberto Delgado

Mon 11/16

12:25 pm-7:29 pm

2 stops37h 04m

$753

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 11/21

4:56 pm-8:10 am

1 stop33h 14m

Lisbon Humberto Delgado

Thu 12/3

10:55 am-3:26 pm

1 stop34h 31m

$761
Quickest round-trip

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 9/28

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Fri 10/9

5:05 am-1:25 pm

1 stop14h 20m

$783

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 12/7

5:20 pm-8:10 am

1 stop32h 50m

Lisbon Humberto Delgado

Thu 12/10

10:55 am-3:26 pm

1 stop34h 31m

$785

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Mon 11/9

10:00 am-5:06 pm

1 stop13h 06m

$800

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 11/3

2:00 pm-8:10 am

1 stop12h 10m

Lisbon Humberto Delgado

Mon 11/9

11:20 am-3:41 pm

2 stops34h 21m

$810

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 10/15

7:30 am-9:20 am

3 stops19h 50m

Lisbon Humberto Delgado

Fri 10/23

1:00 pm-3:43 pm

2 stops32h 43m

$814
Cheapest one-way

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 7/4

6:01 am-11:00 am

1 stop22h 59m

$853

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 7/3

4:53 pm-8:20 am

1 stop33h 27m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 12 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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 69 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 $587). Flying from St. Louis to Lisbon in December is currently the most expensive (average of $2,658). 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 June 28, 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.
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,451 reviews
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,895 reviews
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,772 reviews
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,270 reviews
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,108 reviews
Delta
7.8
Good
8,451 reviews

Crew

8.5

Overall

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Comfort

7.8

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 18h 40m. 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 KLM and Delta - these airlines can fly you to your destination from $513 and $558, respectively. Users have found that American Airlines is 52% cheaper than the other options available to this destination.

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

    $342 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $349 and $365, 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, April is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $587). Flying from St. Louis to Lisbon in December is currently the most expensive (average of $2,658). 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
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.
Kansas City to Lisbon flights
Kansas City to Porto flights
Kansas City to Ponta Delgada flights

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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$505Average$1,075FlexibilityNo cancel feeOn-time71%
KLMCheapest$513Average$1,265FlexibilityNo cancel feeOn-time75%
DeltaCheapest$558Average$609FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$574Average$686FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$606Average$837FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$617Average$1,052FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$649Average$1,062FlexibilityNo cancel feeOn-time67%

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