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

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The best prices from Lambert-St Louis to Lisbon Humberto Delgado are usually found in February or October, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

How to find the cheapest flight from
St. Louis (STL) to Lisbon (LIS)

All the information you need to plan the best STL to LIS flight in 2022: compare St. Louis to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.
STL - LIS
Price
$556 - $1,081
LIS
Temperature
51.8 - 73.4 °F
LIS
Rainfall
0.2 - 4.8 inches

Popular in

July

High demand for flights, 22% potential price rise

Cheapest in

February

Best time to find cheap flights, 34% potential price drop

Average price

$801

Average for round-trip flights in August 2022

Round-trip from

$556

From Lambert-St Louis to Lisbon Humberto Delgado

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 61 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,215 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,334.

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

Departing on a Friday is a good option for securing a great price. You can expect to save up to 5% when planning your travel around this day of the week.

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 $846 for the month, but tickets can be as low as $544. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from St. Louis to Lisbon (STL - LIS)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Lisbon in the evening. If you’re flexible enough to do this you can expect to save up to 98% on your trip compared to booking a flight at noon.

Cheap flights from St. Louis to Lisbon in August, September 2022

The best prices found for STL to LIS flights for August, September
7 Sep - 14 Sep
$773pp
STL
Lambert-St Louis
Air Canada
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air Canada
   
2 STOPS
STL
Lambert-St Louis
6 Sep - 27 Sep
$778pp
STL
Lambert-St Louis
Air Canada
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air Canada
   
2 STOPS
STL
Lambert-St Louis
6 Sep - 26 Sep
$799pp
STL
Lambert-St Louis
Air Canada
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air Canada
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Lisbon 2022 flight deals

Cheap flights to Lisbon from St. Louis found for this year
1 Nov - 11 Nov
$600pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis
1 Nov - 11 Nov
$623pp
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Lufthansa
 
1 STOP
STL
Lambert-St Louis
5 Dec - 12 Dec
$642pp
STL
Lambert-St Louis
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
STL
Lambert-St Louis

Cheap Air France flights from St. Louis to Lisbon

5 Dec - 12 Dec
$642pp
STL
Lambert-St Louis
Air France
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Air France
   
2 STOPS
STL
Lambert-St Louis

Cheap American Airlines flights from St. Louis to Lisbon

22 Oct - 29 Oct
$688pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
American Airlines
   
2 STOPS
STL
Lambert-St Louis
22 Oct - 29 Oct
$759pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
American Airlines
   
2 STOPS
STL
Lambert-St Louis
18 Aug - 25 Aug
$1,255pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St. Louis to Lisbon

Late deals on round-trip flights to Lisbon from St. Louis, departing today and this week
18 Aug - 25 Aug
$1,222pp
STL
Lambert-St Louis
British Airways
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
British Airways
 
1 STOP
STL
Lambert-St Louis
18 Aug - 25 Aug
$1,227pp
STL
Lambert-St Louis
British Airways
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
British Airways
 
1 STOP
STL
Lambert-St Louis
19 Aug - 24 Aug
$1,238pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Humberto Delgado from St. Louis

The cheapest one-way flights from St. Louis to Lisbon
4:25 am - 6:40 am
Lufthansa
1 Stop
20h 15m
STL - LIS
Lufthansa
2:40 am - 3:00 am
Multiple Airlines
1 Stop
18h 20m
STL - LIS
Multiple Airlines
$2,098
Kiwi.com
4:02 pm - 6:25 am
Multiple Airlines
2 Stops
32h 23m
STL - LIS
Multiple Airlines
$1,234
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Lisbon</span> flights.

Flight FAQs

From St. Louis to Lisbon

Which airlines flying from Lambert-St Louis to Lisbon Humberto Delgado have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Lisbon Humberto Delgado have new flexible policies in place due to COVID-19. British Airways, United Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from St. Louis to Lisbon for under $600 on Cheapflights?

Yes, there are multiple flights from St. Louis to Lisbon for under $600. The cheapest flight booked recently is on United Airlines for just $600, but on average you can expect to pay $650.

Are there last-minute flights available from St. Louis to Lisbon for under $1,300?

There are currently 4+ open flights from St. Louis to Lisbon within the next 7 days for less than $1,300.

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

Currently priced at $600, United Airlines will fly you from St. Louis to Lisbon and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Lufthansa - these airlines can fly you to your destination from $619 and $623, respectively. Users have found that United Airlines is 29% cheaper than the other options available to this destination.

What are the cheapest flights from St. Louis to Lisbon?

Looking at all options, your cheapest flight can be booked for $664. While the most popular route (Lambert-St Louis - Lisbon Humberto Delgado) can be booked for $610 on average our data indicates $2,905 when flying from St. Louis to Lisbon.

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.

COVID Restrictions

View COVID Travel Restrictions for Lisbon, Portugal

Do I need a COVID test to fly to Lisbon from St. Louis?

Information is based on travel restrictions from Lambert-St Louis to Lisbon Humberto Delgado

Most visitors from Lambert-St Louis can enter Lisbon Humberto Delgado without restrictions.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Lisbon Humberto Delgado.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Lisbon Humberto Delgado.

Do I need a test to fly back to St. Louis from Lisbon?

Returning to Lambert-St Louis from Lisbon Humberto Delgado

COVID-19 testing requirements
Visitors from Lisbon Humberto Delgado are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Lisbon Humberto Delgado are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Lisbon, Portugal

Alternative routes for St. Louis to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Lambert-St Louis to Lisbon Humberto Delgado

The chart below displays the airlines Cheapflights users traveling from St. Louis to Lisbon choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$14 $21 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Iberia
$276 $711 No cancel fee 77%
United Airlines
$546 $879 No cancel fee 69%
American Airlines
$613 $833 No cancel fee 71%
Air Canada
$642 $868 No cancel fee 67%
Lufthansa
$665 $1,498 No cancel fee 76%
British Airways
$808 $943 No cancel fee 70%
Aer Lingus
$1,054 $1,374 No cancel fee N/A
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