Cheap Flights from Lisbon (LIS) to St Louis (STL)

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Compare Lisbon to St Louis flight deals

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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 June.

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 found$403
Cheapest month to flyJune

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

The best price we found for a round-trip flight from Lisbon to St Louis is $719. 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 $719.
There are no flights flying from Lisbon to St Louis, as of May 2025.
The cheapest month to fly from Lisbon to St Louis is usually September.
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 Sunday, September 21, 2025.
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, Iberia offers the cheapest flight tickets to St Louis.

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

  • The timezone in St Louis is UTC-5, which is five hours behind Lisbon.

  • Give yourself enough time to make your LIS to STL flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues in popular months such as June. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • Consider adding a stopover when booking your ticket from Lisbon Portela Airport to Lambert-St. Louis International Airport. Just deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here are some options between LIS and STL:

    • Newark Liberty International Airport

    • Logan International Airport

    • Pearson International Airport

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

  • The lowest price we've seen for a one-way Lisbon Portela Airport to Lambert-St. Louis International Airport flight is $403. A round-trip ticket right now is $719. Depending on the availability and when you book, these fares could change.

  • To find cheap tickets from LIS to STL, book ahead. Airlines usually offer lower prices when flights are first made available.

  • The 'Whole month' tool shows you the cheapest flights from Lisbon Portela Airport to Lambert-St. Louis International Airport across each month. It's a good way to find a bargain if your plans are flexible.

  • Save time searching for cheap flights from LIS to STL by setting up a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Lisbon Portela Airport to Lambert-St. Louis International Airport.

Handy information about Lisbon Portela Airport (LIS)

  • 64.1% of flights departing from Lisbon Portela Airport reach their destination on schedule.

  • Central Lisbon to Lisbon Portela Airport is around 6 miles. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? Expect a journey time of around 1 hour.

  • Have an early flight from Lisbon Portela Airport to Lambert-St. Louis International Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by picking one of these hotels near LIS:

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

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

  • STL is located at 10701 Lambert International Blvd..

  • From Lambert-St. Louis International Airport, St Louis is approximately 16 miles away. It takes around 20 minutes to get to the center driving.

  • It takes around 35 minutes if you're 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 escape the crowds, visit St Louis in April.

  • When reserving your flight from Lisbon Portela Airport to Lambert-St. Louis International Airport, consider the kind of weather you like. July is the warmest month in St Louis, with the temperature ranging from 63ºF to 91ºF.

  • Look for cheap tickets from LIS to STL in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 18ºF and 45ºF on average.

Explore more of United States

  • Chicago is just one of the many cities in United States waiting to be discovered once you've taken in the sights of St Louis. Around 260 miles away to the north-east, its top attractions include Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 230 miles east of St Louis, Indianapolis is another essential stop in United States. Experience this destination's highlights firsthand at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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