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

Popular airlines from Lambert-St. Louis International Airport (STL) to Humberto Delgado Airport (LIS)

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Find the cheapest month to fly from St. Louis (STL) to Lisbon (LIS)

December is typically the cheapest month to fly

From ฿17,299 - ฿49,341 per traveller.

Frequently asked questions

How much is a flight from STL to Lisbon/Portela Airport?
If you're travelling from STL to Lisbon Airport, round-trip flights start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Lisbon Airport?
Every airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Lisbon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for STL to LIS flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to LIS?
With around 6,800 kilometres separating St. Louis Lambert International Airport and Lisbon/Portela Airport, your flight will be a long one. Pack wisely to make your time on board comfortable. Simple things like an eye mask and a good neck pillow should be in your hand luggage.
Which airlines fly direct from St. Louis Lambert International Airport to Lisbon/Portela Airport?
Flying nonstop between Lambert-St. Louis Intl. Airport (STL) and LIS isn't possible at this time. However, you'll still be able to find a flight to Lisbon District with at least one stop.
Are Lambert Field to Lisbon Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute deals between St. Louis Lambert International Airport and Lisbon/Portela Airport are of course possible, it also makes sense to monitor prices well before you fly. In fact, some carriers advertise their prices up to 12 months ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to grab your seat when the price is right.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Humberto Delgado
Distance
6745 km
*Available to Expedia members.