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

Flying on Delta is currently your cheapest option to St. Louis, with prices starting at $792. Additional round-trip tickets that might be worth considering are offered by Air Canada and Virgin Atlantic, with the lowest prices starting at $798 and $806, respectively. Delta is currently priced 19% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from Lisbon to St. Louis are Finnair ($708), British Airways ($716), and Lufthansa ($724).

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

Currently, August is the cheapest month in which you can book a flight from Lisbon to St. Louis (average of $311). Flying from Lisbon to St. Louis in March is currently the most expensive (average of $356). 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 day to fly from Lisbon to St. Louis?

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

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

Users have found that flying from Lisbon to St. Louis on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

December can be a great time to fly to St. Louis from Lisbon with a flight ticket averaging about $979. Cheapflights users have found deals in the month of December for as cheap as $784. The most expensive prices can be found in the month of August.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to St. Louis as you normally would.

Most accurate provider : When it comes to deals on Lisbon-St. Louis flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Lisbon-St. Louis flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Lisbon-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-St. Louis 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 Lisbon-St. Louis 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 Lisbon to St. Louis that include hotel bookings?

Yes. In addition to deals on Lisbon to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to St. Louis.

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

Yes. Cheapflights offers flight deals from Lisbon to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$409+ Flights from Lisbon to St. Louis - Compare & Save Big

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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”

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Cheap flight deals from Lisbon to St. Louis

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$792 (Delta)
One-way from	$409 (Kiwi.com)
Popular in	August
Cheapest in	December
Average price	$903

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

Search Deals

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

Search Deals

From Lisbon Humberto Delgado to Lambert-St Louis

Search Deals

One-way flight from Lisbon Humberto Delgado to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Lisbon to St. Louis

Cheapest flights from Lisbon to St. Louis
Explore the most affordable flight options available from Lisbon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Mon 5/511:05 amLIS - STL

1 stop15h 53mAmerican Airlines

Mon 5/196:00 amSTL - LIS

1 stop21h 05mAmerican Airlines

Deal found 4/28

$767

Mon 5/195:00 amLIS - STL

2 stops21h 49mDelta

Mon 6/25:45 pmSTL - LIS

2 stops18h 55mDelta

Deal found 4/28

$792

Fri 5/235:05 amLIS - STL

2 stops20h 53mAir Canada

Tue 5/271:30 pmSTL - LIS

1 stop13h 50mAir Canada

Deal found 4/28

$798

Fri 5/2312:45 pmLIS - STL

2 stops16h 53mVirgin Atlantic

Tue 5/272:15 pmSTL - LIS

2 stops14h 30mVirgin Atlantic

Deal found 4/28

$806

Fri 5/235:05 amLIS - STL

1 stop14h 25mLufthansa

Tue 5/278:15 amSTL - LIS

1 stop20h 15mLufthansa

Deal found 4/28

$823

Mon 5/511:05 amLIS - STL

1 stop15h 53mBritish Airways

Fri 5/161:38 pmSTL - LIS

2 stops27h 32mBritish Airways

Deal found 4/27

$907

Mon 5/1911:25 amLIS - STL

3 stops34h 22mUnited Airlines

Mon 6/25:27 pmSTL - LIS

2 stops33h 53mUnited Airlines

Deal found 4/28

$914

Mon 5/511:25 amLIS - STL

3 stops30h 54mMultiple Airlines

Mon 5/196:30 amSTL - LIS

3 stops33h 20mMultiple Airlines

Deal found 4/28

$1,108

Mon 5/511:05 amLIS - STL

1 stop15h 53mIberia

Fri 5/231:45 pmSTL - LIS

1 stop13h 20mIberia

Deal found 4/28

$1,287

Mon 11/1710:50 amLIS - STL

2 stops40h 51mAer Lingus

Sun 12/74:39 pmSTL - LIS

2 stops35h 31mAer Lingus

Deal found 4/29

$2,602

Best flights from Lisbon to St. Louis
Discover carefully curated flight deals from Lisbon to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 5/195:00 amLIS - STL

2 stops21h 49mDelta

Mon 6/25:45 pmSTL - LIS

2 stops18h 55mDelta

Deal found 4/28

$792

Fri 5/235:05 amLIS - STL

2 stops20h 53mAir Canada

Tue 5/271:30 pmSTL - LIS

1 stop13h 50mAir Canada

Deal found 4/28

$798

Fri 5/2312:45 pmLIS - STL

2 stops16h 53mVirgin Atlantic

Tue 5/272:15 pmSTL - LIS

2 stops14h 30mVirgin Atlantic

Deal found 4/28

$806

Fri 5/235:05 amLIS - STL

1 stop14h 25mLufthansa

Tue 5/278:15 amSTL - LIS

1 stop20h 15mLufthansa

Deal found 4/28

$823

Mon 5/1911:05 amLIS - STL

1 stop15h 53mAmerican Airlines

Mon 6/26:00 amSTL - LIS

1 stop21h 05mAmerican Airlines

Deal found 4/28

$859

Mon 5/1911:25 amLIS - STL

3 stops34h 22mUnited Airlines

Mon 6/25:27 pmSTL - LIS

2 stops33h 53mUnited Airlines

Deal found 4/28

$914

Sat 5/177:10 amLIS - STL

2 stops17h 18mBritish Airways

Wed 5/217:30 pmSTL - LIS

2 stops16h 25mBritish Airways

Deal found 4/29

$1,264

Fri 5/235:55 pmLIS - STL

3 stops32h 03mMultiple Airlines

Tue 5/275:00 amSTL - LIS

2 stops19h 30mMultiple Airlines

Deal found 4/28

$1,480

Last-minute flights from Lisbon to St. Louis
Discover last-minute flight deals from Lisbon to St. Louis. Data last updated April 29, 2025 and is based on user searches.

Mon 5/511:05 amLIS - STL

1 stop15h 53mAmerican Airlines

Mon 5/196:00 amSTL - LIS

1 stop21h 05mAmerican Airlines

Deal found 4/28

$767

Mon 5/55:40 amLIS - STL

2 stops21h 56mDelta

Mon 5/196:05 pmSTL - LIS

2 stops18h 35mDelta

Deal found 4/28

$830

Mon 5/511:05 amLIS - STL

1 stop15h 53mBritish Airways

Fri 5/161:38 pmSTL - LIS

2 stops27h 32mBritish Airways

Deal found 4/27

$907

Mon 5/511:25 amLIS - STL

3 stops34h 22mUnited Airlines

Mon 5/191:10 pmSTL - LIS

2 stops15h 35mUnited Airlines

Deal found 4/28

$1,028

Mon 5/511:25 amLIS - STL

3 stops30h 54mMultiple Airlines

Mon 5/196:30 amSTL - LIS

3 stops33h 20mMultiple Airlines

Deal found 4/28

$1,108

Mon 5/511:05 amLIS - STL

1 stop15h 53mIberia

Fri 5/231:45 pmSTL - LIS

1 stop13h 20mIberia

Deal found 4/28

$1,287

Mon 5/195:00 amLIS - STL

2 stops21h 49mDelta

Mon 6/25:45 pmSTL - LIS

2 stops18h 55mDelta

Deal found 4/28

$792

Mon 5/1911:25 amLIS - STL

3 stops34h 22mUnited Airlines

Mon 6/25:27 pmSTL - LIS

2 stops33h 53mUnited Airlines

Deal found 4/28

$914

Fri 5/235:05 amLIS - STL

2 stops20h 53mAir Canada

Tue 5/271:30 pmSTL - LIS

1 stop13h 50mAir Canada

Deal found 4/28

$798

Fri 5/2312:45 pmLIS - STL

2 stops16h 53mVirgin Atlantic

Tue 5/272:15 pmSTL - LIS

2 stops14h 30mVirgin Atlantic

Deal found 4/28

$806

Fri 5/235:05 amLIS - STL

1 stop14h 25mLufthansa

Tue 5/278:15 amSTL - LIS

1 stop20h 15mLufthansa

Deal found 4/28

$823

One-way flights from Lisbon to St. Louis
Search for one-way flight options from Lisbon to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Fri 5/166:40 amLIS - STL

2 stops23h 34mMultiple Airlines

Deal found 4/28

$409

Fri 5/306:35 amLIS - STL

2 stops21h 17mFinnair

Deal found 4/29

$708

Fri 5/3011:05 amLIS - STL

1 stop15h 53mBritish Airways

Deal found 4/28

$716

Fri 5/165:05 amLIS - STL

1 stop14h 25mLufthansa

Deal found 4/28

$724

Sun 7/610:15 pmLIS - STL

2 stops28h 08mAer Lingus

Deal found 4/28

$802

Tue 7/811:05 amLIS - STL

1 stop15h 19mIberia

Deal found 4/29

$1,024

Thu 10/211:25 amLIS - STL

1 stop14h 32mUnited Airlines

Deal found 4/28

$2,871

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 5/19

5:00 am-8:49 pm

2 stops21h 49m

Lambert-St Louis

Mon 6/2

5:45 pm-6:40 pm

2 stops18h 55m

$792

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:05 am-7:58 pm

2 stops20h 53m

Lambert-St Louis

Tue 5/27

1:30 pm-9:20 am

1 stop13h 50m

$798

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

12:45 pm-11:38 pm

2 stops16h 53m

Lambert-St Louis

Tue 5/27

2:15 pm-10:45 am

2 stops14h 30m

$806

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:05 am-1:30 pm

1 stop14h 25m

Lambert-St Louis

Tue 5/27

8:15 am-10:30 am

1 stop20h 15m

$823

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 5/19

11:05 am-8:58 pm

1 stop15h 53m

Lambert-St Louis

Mon 6/2

6:00 am-9:05 am

1 stop21h 05m

$859

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Mon 5/19

11:25 am-3:47 pm

3 stops34h 22m

Lambert-St Louis

Mon 6/2

5:27 pm-9:20 am

2 stops33h 53m

$914

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Sat 5/17

7:10 am-6:28 pm

2 stops17h 18m

Lambert-St Louis

Wed 5/21

7:30 pm-5:55 pm

2 stops16h 25m

$1,264

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/23

5:55 pm-7:58 pm

3 stops32h 03m

Lambert-St Louis

Tue 5/27

5:00 am-6:30 am

2 stops19h 30m

$1,480

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/16

6:40 am-12:14 am

2 stops23h 34m

$409

LisbonSt. Louis

LIS - STL

LISSTL

Lisbon Humberto Delgado

Fri 5/30

6:35 am-9:52 pm

2 stops21h 17m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 15 results

Compare providers for flights from Lisbon to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to St. Louis in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	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 Lisbon-St. Louis flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Lisbon-St. Louis flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Lisbon-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-St. Louis 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 Lisbon-St. Louis 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 Lisbon to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lisbon 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 Lisbon to St. Louis

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

To help decide which airline to fly from Lisbon to St. Louis, see what other customers have to say about Delta, Finnair and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Lisbon to St. Louis round-trip?
Flying on Delta is currently your cheapest option to St. Louis, with prices starting at $792. Additional round-trip tickets that might be worth considering are offered by Air Canada and Virgin Atlantic, with the lowest prices starting at $798 and $806, respectively. Delta is currently priced 19% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Lisbon to St. Louis one-way?
The cheapest airlines for a one-way flight from Lisbon to St. Louis are Finnair ($708), British Airways ($716), and Lufthansa ($724).
Can I find deals for flights from Lisbon to St. Louis that include hotel bookings?
Yes. In addition to deals on Lisbon to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to St. Louis.
Can I find deals for business class flights from Lisbon to St. Louis?
Yes. Cheapflights offers flight deals from Lisbon to St. Louis 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 Lisbon to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Lisbon to St. Louis (average of $311). Flying from Lisbon to St. Louis in March is currently the most expensive (average of $356). 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

Fenton

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Wentzville

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Other flights to St. Louis

Top airline flying from Lisbon to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$820	Average$898	FlexibilityNo cancel fee	On-time71%

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$409+ Cheap flights from Lisbon (LIS) to St. Louis (STL)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lisbon to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Lisbon to St. Louis

Cheapest flights from Lisbon to St. LouisExplore the most affordable flight options available from Lisbon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Lisbon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Lisbon to St. Louis

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 Lisbon to St. Louis in April.

Best time to book a flight from Lisbon to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Lisbon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to St. Louis

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Lisbon to St. Louis. 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 Lisbon to St. Louis round-trip?

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

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

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

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

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

Traveling to a place near Lisbon?

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Alternative routes for Lisbon to St. Louis

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Top airline flying from Lisbon to St. Louis

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Cheapest flights from Lisbon to St. Louis
Explore the most affordable flight options available from Lisbon to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.