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

Currently priced at $572, British Airways will fly you from St. Louis to Lisbon and back. In addition to British Airways, 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 $581 and $787, respectively. Users have found that British Airways 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?

$414 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $434 and $448, respectively.

What is the cheapest day to fly from St. Louis to Lisbon?

Travelers seeking maximum savings on their St. Louis to Lisbon flight should consider departing on Sunday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Lisbon?

Before booking your flight from St. Louis to Lisbon check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What is the cheapest day to fly round-trip from St. Louis to Lisbon?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

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

To save on the cost of your flight from St. Louis to Lisbon, book at least 46 days before your planned departure. Booking around this time can save you about 111% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,150 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,737.

What is the cheapest month to fly from St. Louis to Lisbon?

Our data shows that November tends to be the cheapest month to fly to Lisbon from St. Louis. Users have commonly found prices around $967 for the month, but tickets can be as low as $566. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on St. Louis-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

$348+ Save on Flights from St. Louis to Lisbon

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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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$571 (CheapOair)
One-way from	$348 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$670

Provider with most accurate pricing for Lambert-St Louis-Lisbon Humberto Delgado flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Lisbon Humberto Delgado flights.

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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. 25% potential increase in price ($330 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 February 20, 2025.

Tue 4/13:53 pmSTL - LIS

2 stops25h 07mMultiple Airlines

Tue 4/86:35 amLIS - STL

2 stops18h 54mMultiple Airlines

Deal found 2/19

$571

Tue 4/15:55 amSTL - LIS

2 stops26h 30mBritish Airways

Tue 4/811:05 amLIS - STL

1 stop15h 53mBritish Airways

Deal found 2/19

$572

Tue 4/111:00 amSTL - LIS

2 stops17h 30mUnited Airlines

Tue 4/811:25 amLIS - STL

3 stops34h 22mUnited Airlines

Deal found 2/20

$581

Wed 4/235:35 pmSTL - LIS

2 stops22h 30mLufthansa

Wed 4/306:15 amLIS - STL

2 stops22h 52mLufthansa

Deal found 2/20

$787

Sun 4/203:30 pmSTL - LIS

2 stops35h 50mAir Canada

Tue 4/2911:25 amLIS - STL

2 stops33h 24mAir Canada

Deal found 2/20

$810

Mon 3/242:02 pmSTL - LIS

1 stop14h 03mIberia

Sun 3/306:35 amLIS - STL

2 stops20h 06mIberia

Deal found 2/19

$870

Best flights from St. Louis to Lisbon
Discover carefully curated flight deals from St. Louis to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Tue 4/13:53 pmSTL - LIS

2 stops25h 07mMultiple Airlines

Tue 4/86:35 amLIS - STL

2 stops18h 54mMultiple Airlines

Deal found 2/19

$571

Tue 4/15:55 amSTL - LIS

2 stops26h 30mBritish Airways

Tue 4/811:05 amLIS - STL

1 stop15h 53mBritish Airways

Deal found 2/19

$572

Tue 4/17:25 amSTL - LIS

2 stops21h 05mUnited Airlines

Tue 4/811:25 amLIS - STL

3 stops34h 22mUnited Airlines

Deal found 2/19

$581

Wed 4/235:35 pmSTL - LIS

2 stops22h 30mLufthansa

Wed 4/306:15 amLIS - STL

2 stops22h 52mLufthansa

Deal found 2/20

$787

Sun 4/203:30 pmSTL - LIS

2 stops35h 50mAir Canada

Tue 4/2911:25 amLIS - STL

2 stops33h 24mAir Canada

Deal found 2/20

$810

Mon 3/242:02 pmSTL - LIS

1 stop14h 03mIberia

Sun 3/306:35 amLIS - STL

2 stops20h 06mIberia

Deal found 2/19

$870

Thu 4/245:34 pmSTL - LIS

2 stops19h 06mDelta

Thu 5/15:00 amLIS - STL

2 stops21h 39mDelta

Deal found 2/20

$1,366

Thu 5/87:10 pmSTL - LIS

2 stops17h 30mKLM

Tue 5/1310:00 amLIS - STL

2 stops19h 38mKLM

Deal found 2/18

$1,563

Last-minute flights from St. Louis to Lisbon
Discover last-minute flight deals from St. Louis to Lisbon. Data last updated February 20, 2025 and is based on user searches.

Tue 2/251:00 pmSTL - LIS

1 stop15h 15mUnited Airlines

Mon 3/311:00 amLIS - STL

2 stops33h 36mUnited Airlines

Deal found 2/20

$833

Tue 2/252:10 pmSTL - LIS

1 stop13h 05mIberia

Mon 3/311:05 amLIS - STL

1 stop15h 37mIberia

Deal found 2/19

$850

Sat 3/15:34 pmSTL - LIS

1 stop32h 36mMultiple Airlines

Wed 3/511:00 amLIS - STL

1 stop34h 06mMultiple Airlines

Deal found 2/20

$836

Sat 3/16:00 pmSTL - LIS

2 stops17h 55mBritish Airways

Wed 3/56:30 amLIS - STL

2 stops20h 12mBritish Airways

Deal found 2/20

$852

Sat 3/15:36 pmSTL - LIS

2 stops33h 44mAir Canada

Sun 3/95:00 amLIS - STL

2 stops39h 06mAir Canada

Deal found 2/19

$856

Mon 3/38:25 amSTL - LIS

1 stop19h 50mUnited Airlines

Thu 3/1310:55 amLIS - STL

2 stops37h 55mUnited Airlines

Deal found 2/19

$827

Mon 3/33:50 pmSTL - LIS

2 stops35h 30mAir Canada

Thu 3/1310:55 amLIS - STL

2 stops32h 38mAir Canada

Deal found 2/19

$829

Sat 3/223:50 pmSTL - LIS

2 stops26h 40mMultiple Airlines

Fri 3/285:00 amLIS - STL

2 stops39h 06mMultiple Airlines

Deal found 2/19

$762

Sat 3/225:33 pmSTL - LIS

2 stops48h 17mLufthansa

Sat 3/293:40 pmLIS - STL

1 stop26h 50mLufthansa

Deal found 2/20

$1,344

One-way flights from St. Louis to Lisbon
Search for one-way flight options from St. Louis to Lisbon. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Mon 3/176:55 pmSTL - LIS

2 stops47h 35mMultiple Airlines

Deal found 2/18

$348

Mon 3/172:02 pmSTL - LIS

1 stop14h 03mIberia

Deal found 2/18

$414

Sun 3/1610:03 amSTL - LIS

2 stops22h 17mUnited Airlines

Deal found 2/19

$434

Sun 3/164:45 pmSTL - LIS

1 stop25h 05mLufthansa

Deal found 2/19

$448

Thu 4/176:15 amSTL - LIS

1 stop20h 50mAmerican Airlines

Deal found 2/19

$484

Find flights from St. Louis to Lisbon within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/1

3:53 pm-11:00 pm

2 stops25h 07m

Lisbon Humberto Delgado

Tue 4/8

6:35 am-7:29 pm

2 stops18h 54m

$571

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/1

5:55 am-2:25 pm

2 stops26h 30m

Lisbon Humberto Delgado

Tue 4/8

11:05 am-8:58 pm

1 stop15h 53m

$572

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Tue 4/1

11:00 am-10:30 am

2 stops17h 30m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-3:47 pm

3 stops34h 22m

$581

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 4/23

5:35 pm-10:05 pm

2 stops22h 30m

Lisbon Humberto Delgado

Wed 4/30

6:15 am-11:07 pm

2 stops22h 52m

$787

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 4/20

3:30 pm-9:20 am

2 stops35h 50m

Lisbon Humberto Delgado

Tue 4/29

11:25 am-2:49 pm

2 stops33h 24m

$810

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 3/24

2:02 pm-9:05 am

1 stop14h 03m

Lisbon Humberto Delgado

Sun 3/30

6:35 am-8:41 pm

2 stops20h 06m

$870

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 4/24

5:34 pm-6:40 pm

2 stops19h 06m

Lisbon Humberto Delgado

Thu 5/1

5:00 am-8:39 pm

2 stops21h 39m

$1,366

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 5/8

7:10 pm-6:40 pm

2 stops17h 30m

Lisbon Humberto Delgado

Tue 5/13

10:00 am-11:38 pm

2 stops19h 38m

$1,563

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 3/17

6:55 pm-11:30 pm

2 stops47h 35m

$348

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 3/17

2:02 pm-9:05 am

1 stop14h 03m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 14 results

Compare providers for flights from St. Louis to Lisbon

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 February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from St. Louis to Lisbon

Get recent, data-driven insights about flights from St. Louis to Lisbon including ideal travel times, pricing trends, and more.

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 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 $1,234). 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?

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

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

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

Read through reviews of airlines operating flights from St. Louis to Lisbon, such as Delta, KLM and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,748 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from St. Louis to Lisbon round-trip?
Currently priced at $572, British Airways will fly you from St. Louis to Lisbon and back. In addition to British Airways, 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 $581 and $787, respectively. Users have found that British Airways 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?
$414 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on United Airlines and Lufthansa, with prices starting from $434 and $448, 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 $1,234). 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

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Other flights to Lisbon

Top 7 airlines flying from St. Louis to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest$562	Average$791	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$582	Average$884	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$595	Average$977	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$601	Average$936	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$635	Average$1,079	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$652	Average$1,182	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$779	Average$1,086	FlexibilityNo cancel fee	On-time67%

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$348+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Lisbon

Cheapest flights from St. Louis to LisbonExplore 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 February 20, 2025.

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 February 20, 2025.

Find flights from St. Louis to Lisbon within your budget

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 February.

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.

Travel insights for flights from St. Louis to Lisbon

Get recent, data-driven insights about flights from St. Louis to Lisbon including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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

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 February 20, 2025.

Rainfall in Lisbon by month

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

Temperature in Lisbon by month

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

Reviews of airlines servicing Lisbon

Read through reviews of airlines operating flights from St. Louis to Lisbon, such as Delta, KLM and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for St. Louis to Lisbon

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Top 7 airlines flying from St. Louis to Lisbon

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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 February 20, 2025.