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

Currently priced at $538, Air Canada will fly you from St. Louis to Lisbon and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $549 and $552, respectively. Users have found that Air Canada is 46% cheaper than the other options available to this destination.

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

$376 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 Iberia, with prices starting from $380 and $517, 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 February tends to be the cheapest month to fly to Lisbon from St. Louis. Users have commonly found prices around $1,001 for the month, but tickets can be as low as $581. 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

$376+ 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 February or November, booked 73 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	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$538 (Air Canada)
One-way from	$376 (American Airlines)
Popular in	June
Cheapest in	February
Average price	$673

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

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High demand for flights, 28% potential price rise

Search Deals

Best time to find cheap flights, 4% potential price drop

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Average for round-trip flights in January 2025

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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 21, 2025.

Mon 2/243:50 pmSTL - LIS

1 stop11h 30mAir Canada

Tue 3/411:00 amLIS - STL

2 stops34h 06mAir Canada

Deal found 1/20

$524

Wed 2/268:05 amSTL - LIS

2 stops20h 10mUnited Airlines

Fri 3/710:55 amLIS - STL

2 stops34h 36mUnited Airlines

Deal found 1/20

$549

Mon 2/241:03 pmSTL - LIS

2 stops14h 17mMultiple Airlines

Tue 3/45:00 amLIS - STL

2 stops40h 06mMultiple Airlines

Deal found 1/20

$551

Wed 2/511:04 amSTL - LIS

2 stops14h 56mKLM

Tue 2/1110:00 amLIS - STL

2 stops19h 36mKLM

Deal found 1/20

$564

Mon 2/242:10 pmSTL - LIS

1 stop12h 55mBritish Airways

Tue 3/411:10 amLIS - STL

1 stop15h 32mBritish Airways

Deal found 1/20

$567

Sun 2/23:45 pmSTL - LIS

1 stop13h 40mLufthansa

Fri 2/145:00 amLIS - STL

1 stop14h 55mLufthansa

Deal found 1/20

$572

Thu 2/1311:25 amSTL - LIS

2 stops30h 00mIberia

Tue 2/186:30 amLIS - STL

2 stops21h 32mIberia

Deal found 1/20

$625

Thu 3/136:50 amSTL - LIS

2 stops20h 10mDelta

Thu 3/205:00 amLIS - STL

2 stops21h 40mDelta

Deal found 1/20

$776

Thu 5/156:40 amSTL - LIS

1 stop20h 25mAmerican Airlines

Tue 5/206:35 amLIS - STL

2 stops18h 19mAmerican Airlines

Deal found 1/20

$826

Fri 4/45:37 pmSTL - LIS

2 stops15h 13mAir France

Fri 4/115:40 amLIS - STL

2 stops17h 06mAir France

Deal found 1/20

$919

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 January 21, 2025.

Tue 2/49:44 amSTL - LIS

2 stops17h 36mAir Canada

Tue 2/1111:00 amLIS - STL

2 stops33h 14mAir Canada

Deal found 1/20

$538

Wed 2/268:05 amSTL - LIS

2 stops20h 10mUnited Airlines

Fri 3/710:55 amLIS - STL

2 stops34h 36mUnited Airlines

Deal found 1/20

$549

Tue 2/116:00 pmSTL - LIS

2 stops17h 45mAmerican Airlines

Fri 2/216:30 amLIS - STL

2 stops17h 35mAmerican Airlines

Deal found 1/19

$552

Tue 3/2512:03 pmSTL - LIS

1 stop15h 07mMultiple Airlines

Tue 4/111:25 amLIS - STL

2 stops33h 34mMultiple Airlines

Deal found 1/20

$557

Tue 2/112:10 pmSTL - LIS

1 stop13h 05mBritish Airways

Fri 2/2111:05 amLIS - STL

1 stop15h 37mBritish Airways

Deal found 1/19

$560

Wed 2/511:04 amSTL - LIS

2 stops14h 56mKLM

Tue 2/1110:00 amLIS - STL

2 stops19h 36mKLM

Deal found 1/20

$564

Tue 3/113:36 pmSTL - LIS

2 stops12h 24mDelta

Tue 3/1811:15 amLIS - STL

2 stops15h 25mDelta

Deal found 1/20

$568

Sun 2/23:45 pmSTL - LIS

1 stop13h 40mLufthansa

Fri 2/145:00 amLIS - STL

1 stop14h 55mLufthansa

Deal found 1/20

$572

Thu 2/1311:25 amSTL - LIS

2 stops30h 00mIberia

Tue 2/186:30 amLIS - STL

2 stops21h 32mIberia

Deal found 1/20

$625

Fri 4/45:37 pmSTL - LIS

2 stops15h 13mAir France

Fri 4/115:40 amLIS - STL

2 stops17h 06mAir France

Deal found 1/20

$919

Last-minute flights from St. Louis to Lisbon
Discover last-minute flight deals from St. Louis to Lisbon. Data last updated January 21, 2025 and is based on user searches.

Tue 1/216:00 pmSTL - LIS

2 stops34h 10mAer Lingus

Thu 1/3010:50 amLIS - STL

2 stops17h 19mAer Lingus

Deal found 1/20

$778

Tue 1/212:10 pmSTL - LIS

1 stop13h 05mAmerican Airlines

Thu 1/306:30 amLIS - STL

2 stops21h 39mAmerican Airlines

Deal found 1/20

$1,040

Sun 2/23:45 pmSTL - LIS

1 stop13h 40mLufthansa

Wed 2/125:00 amLIS - STL

1 stop14h 55mLufthansa

Deal found 1/20

$572

Wed 2/511:04 amSTL - LIS

2 stops14h 56mKLM

Tue 2/1110:00 amLIS - STL

2 stops19h 36mKLM

Deal found 1/20

$564

Thu 2/1311:25 amSTL - LIS

2 stops30h 00mIberia

Tue 2/186:30 amLIS - STL

2 stops21h 32mIberia

Deal found 1/20

$625

Mon 2/243:50 pmSTL - LIS

1 stop11h 30mAir Canada

Tue 3/411:00 amLIS - STL

2 stops34h 06mAir Canada

Deal found 1/20

$524

Mon 2/241:03 pmSTL - LIS

2 stops14h 17mMultiple Airlines

Tue 3/45:00 amLIS - STL

2 stops40h 06mMultiple Airlines

Deal found 1/20

$551

Mon 2/242:10 pmSTL - LIS

1 stop12h 55mBritish Airways

Tue 3/411:10 amLIS - STL

1 stop15h 32mBritish Airways

Deal found 1/20

$567

Wed 2/268:05 amSTL - LIS

2 stops20h 10mUnited Airlines

Fri 3/710:55 amLIS - STL

2 stops34h 36mUnited Airlines

Deal found 1/20

$549

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 January 21, 2025.

Sun 3/166:00 amSTL - LIS

1 stop21h 55mAmerican Airlines

Deal found 1/20

$376

Sun 3/1610:12 amSTL - LIS

2 stops30h 33mBritish Airways

Deal found 1/20

$380

Thu 4/1012:15 pmSTL - LIS

3 stops27h 50mMultiple Airlines

Deal found 1/18

$509

Thu 4/1712:02 pmSTL - LIS

2 stops17h 48mIberia

Deal found 1/19

$517

Thu 4/178:25 amSTL - LIS

1 stop20h 05mUnited Airlines

Deal found 1/20

$650

Thu 4/171:00 pmSTL - LIS

1 stop15h 30mLufthansa

Deal found 1/20

$2,473

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

Mon 2/24

3:50 pm-9:20 am

1 stop11h 30m

Lisbon Humberto Delgado

Tue 3/4

11:00 am-3:06 pm

2 stops34h 06m

$524

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 2/26

8:05 am-10:15 am

2 stops20h 10m

Lisbon Humberto Delgado

Fri 3/7

10:55 am-3:31 pm

2 stops34h 36m

$549

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 2/24

1:03 pm-9:20 am

2 stops14h 17m

Lisbon Humberto Delgado

Tue 3/4

5:00 am-3:06 pm

2 stops40h 06m

$551

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Wed 2/5

11:04 am-8:00 am

2 stops14h 56m

Lisbon Humberto Delgado

Thu 2/13

10:00 am-11:37 pm

2 stops19h 37m

$564

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Mon 2/24

2:10 pm-9:05 am

1 stop12h 55m

Lisbon Humberto Delgado

Tue 3/4

11:10 am-8:42 pm

1 stop15h 32m

$567

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Sun 2/2

3:45 pm-11:25 am

1 stop13h 40m

Lisbon Humberto Delgado

Fri 2/14

5:00 am-1:55 pm

1 stop14h 55m

$572

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 2/13

11:25 am-11:25 pm

2 stops30h 00m

Lisbon Humberto Delgado

Tue 2/18

6:30 am-10:02 pm

2 stops21h 32m

$625

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 3/13

6:50 am-8:00 am

2 stops20h 10m

Lisbon Humberto Delgado

Thu 3/20

5:00 am-9:40 pm

2 stops21h 40m

$776

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Thu 5/15

6:40 am-9:05 am

1 stop20h 25m

Lisbon Humberto Delgado

Tue 5/20

6:35 am-6:54 pm

2 stops18h 19m

$826

St. LouisLisbon

STL - LIS

STLLIS

Lambert-St Louis

Fri 4/4

5:37 pm-2:50 pm

2 stops15h 13m

Lisbon Humberto Delgado

Fri 4/11

5:40 am-4:46 pm

2 stops17h 06m

$919

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 18 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 January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 73 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 $1,247). 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

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

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

Delta

8.0

Very good

8,521 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

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

KLM

7.8

Good

1,341 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

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

Air France

7.4

Good

1,490 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

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

United Airlines

7.4

Good

8,982 reviews

Delta

8.0

Very good

8,521 reviews

Reviews

1 / 10

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

8,521 reviews

Reviews

1 / 10

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 $538, Air Canada will fly you from St. Louis to Lisbon and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $549 and $552, respectively. Users have found that Air Canada is 46% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from St. Louis to Lisbon one-way?
$376 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 Iberia, with prices starting from $380 and $517, 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 $1,247). 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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Top 7 airlines flying from St. Louis to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$461	Average$914	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$554	Average$853	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$560	Average$922	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$562	Average$786	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$610	Average$1,182	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$638	Average$1,075	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$734	Average$1,093	FlexibilityNo cancel fee	On-time67%

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$376+ 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 3/16. 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 February or November, booked 73 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 January 21, 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 January 21, 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 January.

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 January 17, 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 January 21, 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

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?

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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 January 21, 2025.