HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$346+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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.

Cheapflights Tip: The best prices from Lambert-St Louis to Lisbon Humberto Delgado are usually found in November or February, booked 67 days in advance, depart on a Monday or Sunday and return on a Monday

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 June 12, 2025.

Round-trip from

$570
(Gotogate)

One-way from

$346
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,347
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. 21% potential increase in price ($268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:43 pmSTL - LIS
2 stops23h 07mLufthansa
Tue 11/115:00 amLIS - STL
2 stops23h 47mLufthansa
Deal found 6/10$570
This British Airways deal was found by Cheapflights users on 6/11. 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 11/56:29 pmSTL - LIS
2 stops17h 16mBritish Airways
Wed 11/1211:15 amLIS - STL
1 stop15h 01mBritish Airways
Deal found 6/11$597
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 amSTL - LIS
2 stops21h 50mUnited Airlines
Tue 11/45:00 amLIS - STL
2 stops16h 26mUnited Airlines
Deal found 6/9$603
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:15 pmSTL - LIS
1 stop12h 05mMultiple Airlines
Tue 11/113:55 pmLIS - STL
1 stop28h 00mMultiple Airlines
Deal found 6/10$613
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/161:15 pmSTL - LIS
2 stops16h 35mIberia
Sat 8/306:35 amLIS - STL
2 stops20h 15mIberia
Deal found 6/11$715
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:30 pmSTL - LIS
1 stop13h 50mAir Canada
Thu 9/257:30 amLIS - STL
2 stops18h 27mAir Canada
Deal found 6/9$761
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/45:14 pmSTL - LIS
1 stop9h 51mAmerican Airlines
Wed 8/2011:05 amLIS - STL
1 stop31h 30mAmerican Airlines
Deal found 6/12$806
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/278:37 amSTL - LIS
2 stops20h 08mAer Lingus
Tue 8/510:15 pmLIS - STL
2 stops31h 36mAer Lingus
Deal found 6/11$944
This Delta deal was found by Cheapflights users on 6/12. 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 9/176:00 amSTL - LIS
1 stop20h 00mDelta
Fri 9/2610:00 amLIS - STL
2 stops19h 39mDelta
Deal found 6/12$1,072

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 12, 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

Sun 10/26

6:43 pm-10:50 pm

2 stops23h 07m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-10:47 pm

2 stops23h 47m

$570

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 11/5

6:29 pm-5:45 pm

2 stops17h 16m

Lisbon Humberto Delgado

Wed 11/12

11:15 am-8:16 pm

1 stop15h 01m

$597

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 10/29

10:30 am-1:20 pm

2 stops21h 50m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-3:26 pm

2 stops16h 26m

$603

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 10/26

4:15 pm-9:20 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 11/11

3:55 pm-1:55 pm

1 stop28h 00m

$613

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sat 8/16

1:15 pm-11:50 am

2 stops16h 35m

Lisbon Humberto Delgado

Sat 8/30

6:35 am-8:50 pm

2 stops20h 15m

$715

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 7/31

1:30 pm-9:20 am

1 stop13h 50m

Lisbon Humberto Delgado

Thu 9/25

7:30 am-7:57 pm

2 stops18h 27m

$761

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 8/4

5:14 pm-9:05 am

1 stop9h 51m

Lisbon Humberto Delgado

Wed 8/20

11:05 am-12:35 pm

1 stop31h 30m

$806

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 7/27

8:37 am-10:45 am

2 stops20h 08m

Lisbon Humberto Delgado

Tue 8/5

10:15 pm-11:51 pm

2 stops31h 36m

$944

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 9/17

9:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 9/25

10:00 am-11:39 pm

2 stops19h 39m

$1,072

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 9/12

8:44 am-6:25 pm

3 stops27h 41m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 18 results
1
2

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Lisbon, you should look to book at least 67 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, January is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $612). Flying from St. Louis to Lisbon in June is currently the most expensive (average of $1,136). 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.

What is the cheapest time of day to fly from STL to LIS?

Find hourly flight availability from St. Louis to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Lisbon at noon. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Currently priced at $570, Lufthansa will fly you from St. Louis to Lisbon and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and United Airlines - these airlines can fly you to your destination from $597 and $603, respectively. Users have found that Lufthansa is 40% cheaper than the other options available to this destination.

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

    $413 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $419 and $457, 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, January is the cheapest month in which you can book a flight from St. Louis to Lisbon (average of $612). Flying from St. Louis to Lisbon in June is currently the most expensive (average of $1,136). 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
Sintra
Beja
Nazaré
Ericeira
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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
Kansas City to Porto flights
St. Louis to Porto flights
Kansas City to Ponta Delgada flights
Kansas City to Lajes flights
St. Louis to Lajes 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$566Average$792FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$601Average$940FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$602Average$1,011FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$618Average$1,118FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$642Average$964FlexibilityNo cancel feeOn-time70%
DeltaCheapest$680Average$944FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$786Average$1,122FlexibilityNo 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.