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 January, booked 32 days in advance, depart on a Tuesday or Sunday and return on a Monday

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 2021: compare St. Louis to Lisbon flight prices with the expected peak season, weather and rainfall in Lisbon.
STL - LIS
Price
$671 - $1,645
LIS
Temperature
51.8 - 73.4 °F
LIS
Precipitation
0.2 - 4.8 inches

Popular in

June

High demand for flights, 35% potential price rise

Cheapest in

February

Best time to find cheap flights, 37% potential price drop

Round-trip from

$671

From Lambert-St Louis to Lisbon Humberto Delgado

One-way from

$452

One-way flight 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.
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 $1,066 for the month, but tickets can be as low as $639. Due to multiple factors, prepare for potentially higher prices in June.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 61% 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 32 days before your planned departure. Booking around this time can save you about 122% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,282 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,315.

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 40% on your trip compared to booking a flight in the morning.

Cheap flights from St. Louis to Lisbon in November, December 2021

The best prices found for STL to LIS flights for November, December
7 Dec - 14 Dec
$701pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis
7 Dec - 14 Dec
$702pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis
7 Dec - 14 Dec
$706pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Lisbon 2022 flight deals

Cheap flights to Lisbon from St. Louis found for next year
7 Dec - 14 Dec
$701pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis
7 Dec - 14 Dec
$702pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United Airlines
   
2 STOPS
STL
Lambert-St Louis
7 Dec - 14 Dec
$706pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
United 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
29 Nov - 6 Dec
$982pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
29 Nov - 6 Dec
$1,001pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
29 Nov - 6 Dec
$1,003pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
LIS
Lisbon Humberto Delgado
LIS
Lisbon Humberto Delgado
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

One-way flights to Humberto Delgado from St. Louis

The cheapest one-way flights from St. Louis to Lisbon
2:49 am - 5:30 am
American Airlines
1 Stop
20h 41m
STL - LIS
American Airlines
7:45 am - 7:10 am
Air Canada
3 Stops
17h 25m
STL - LIS
Air Canada
$458
Air Canada
4:25 am - 4:10 am
United Airlines
3 Stops
17h 45m
STL - LIS
United Airlines
$517
United

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. American Airlines, United Airlines, and Air Canada are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines 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 $555, but on average you can expect to pay $617.

Are there last-minute flights available from St. Louis to Lisbon for under $1,000?

There are currently 5+ open flights from St. Louis to Lisbon within the next 7 days for less than $1,000.

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

Currently priced at $555, 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 Lufthansa and Iberia - these airlines can fly you to your destination from $557 and $567, respectively. Users have found that United Airlines is 47% cheaper than the other options available to this destination.

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

$451 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 Air Canada and United Airlines, with prices starting from $458 and $517, respectively.

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

Looking at all options, your cheapest flight can be booked for $701. While the most popular route (Lambert-St Louis - Lisbon Humberto Delgado) can be booked for $568 on average our data indicates $1,639 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 need to provide a negative COVID-19 test result and/or quarantine to enter Lisbon Humberto Delgado.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for RT-PCR (NAAT) and 24 Antigen (quick-test) hours before departing to Lisbon Humberto Delgado.

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

Documents
Health declaration for Madeira - Travelers must complete and submit it 12-48 hours before departure. This will generate a QR code which must be presented upon arrival.


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 must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.

Destination information for Lisbon

Things to know before you go - useful duration and weather info for your trip from St. Louis to Lisbon.
Today's exchange rate
$1 = €0.89
Average temperature for November in Lisbon
64.4 °F
Avg rainfall for November in Lisbon
0.2 ″

Airports servicing St. Louis

Airports servicing Lisbon

Top 6 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
Delta
$667 $1,177 No cancel fee N/A
United Airlines
$670 $1,324 No cancel fee 69%
Air Canada
$724 $1,068 No cancel fee 67%
British Airways
$725 $1,155 No cancel fee 70%
American Airlines
$743 $1,281 No cancel fee 71%
Aer Lingus
$1,054 $1,374 No cancel fee N/A
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