C$629 Cheap Flights from Lisbon to St Louis

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Flight deals from Lisbon to St Louis

Looking for a cheap last-minute deal or the best round-trip flight from Lisbon to St Louis? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Lisbon to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to St Louis flights are currently cheapest in May.

Lisbon to St Louis: Alternative routes

Compare routes from Lisbon to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Lisbon to St Louis: Flight information

The things to know before you go.
Cheapest flight foundC$629
Cheapest month to flyMay

Finding cheap flights from Lisbon to St Louis: Frequently asked questions

The best price we found for a return flight from Lisbon to St Louis is C$1,140. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Lisbon to St Louis. But we found flights with one or more stops from C$1,140.
As of February 2026, there are no flights flying from Lisbon to St Louis.
The cheapest month to fly from Lisbon to St Louis is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to St Louis Airport on Friday, March 13, 2026.
No airlines currently offer direct flights between Lisbon Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Lufthansa offers the cheapest flight tickets to St Louis.

Traveling from Lisbon Portela Airport (LIS) to Lambert-St. Louis International Airport (STL): what you need to know

  • Popular months like June or vacation periods such as spring break and Thanksgiving will mean bigger queues at check-in and security. Be on the safe side and get to the terminal even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise idea.

  • We make it simple to book a flight with a stopover. To see all your options for flights from Lisbon Portela Airport to Lambert-St. Louis International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Some popular stopovers between LIS and STL are:

    • Pearson International Airport

    • Logan International Airport

    • Newark Liberty International Airport

  • To find out whether you need a visa to enter United States, contact your airline and the local embassy or consulate. They'll give you the most current information, including any other travel documents you may need after booking your cheap ticket from LIS to STL.

How to find the cheapest flights from Lisbon Portela Airport (LIS) to Lambert-St. Louis International Airport (STL)

  • C$629 is currently the lowest price for a one-way ticket from Lisbon Portela Airport to Lambert-St. Louis International Airport. A return flight starts from C$1,140. These fares may change based on availability and demand.

  • Don't leave things to the last minute. You're more likely to get cheap flight tickets from LIS to STL if you book ahead. Airlines often offer some fantastic early bird rates.

  • The 'Whole month' tool shows you the cheapest flight tickets from Lisbon Portela Airport to Lambert-St. Louis International Airport across every month. It's a great way to snap up a bargain if your travel dates aren't set in stone.

  • Sign into your online account or use the app to set up a Price Alert. We'll let you know straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you from looking for cheap flight tickets from LIS to STL every day.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Lisbon Portela Airport to Lambert-St. Louis International Airport.

Handy information about Lisbon Portela Airport (LIS)

  • Traveling from central Lisbon to Lisbon Portela Airport takes around 59 minutes by public transport. If you ride-share, drive or hail a cab, you'll cover the 10 kilometres in 22 minutes or so, depending on traffic.

  • Got an early flight from Lisbon Portela Airport to Lambert-St. Louis International Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays near LIS:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • From Lambert-St. Louis International Airport, St Louis is approximately 26 kilometres away. It takes around 21 minutes to get to the center driving.

  • It takes around 36 minutes to get there using public transport.

When to fly to Lambert-St. Louis International Airport (STL)

  • July is the busiest month for flights from Lisbon Portela Airport to Lambert-St. Louis International Airport. To avoid the crowds, visit St Louis in April.

  • Book your flight from Lisbon Portela Airport to Lambert-St. Louis International Airport for July if you'd like to go to St Louis during its warmest month. You can expect temperatures of between 17ºC and 33ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from LIS to STL in January. Average temperatures are between -8ºC and 7ºC then.

More about St Louis

Complete your St Louis trip with hotels and a car rental

  • Once you've secured your cheap ticket to Lambert-St. Louis International Airport, check out the lowest prices and exclusive offers on hotels. You can also compare a range of car rental companies in one place to get the best car rental price for your St Louis getaway.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.