Travelling from Lambert-St. Louis International Airport (STL) to Porto Airport (OPO): what you need to know
Porto is five hours ahead of St Louis and follows the UTC+0 timezone.
To ensure you get on your STL to OPO flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.
Flying during a peak time like July? School holidays and other popular seasons can result in longer queues at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.
Think about adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Porto Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here's where you can stop between STL and OPO:
Newark Liberty International Airport
Montreal-Pierre Elliott Trudeau International Airport
Pearson International Airport
How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Porto Airport (OPO)
311 € is the best price for a one-way Lambert-St. Louis International Airport to Porto Airport flight. Return flights start from 636 €. These fares may change based on demand.
It's often best to book early if you want to get cheap tickets from STL to OPO. That's because flight prices are based on demand, which tends to increase closer to the date of departure.
The 'Whole month' tool shows you the cheapest flights from Lambert-St. Louis International Airport to Porto Airport across each month. It's a good way to find a bargain if your trip dates aren't set in stone.
There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as the price changes on cheap flights from STL to OPO.
Discover the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Porto Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.
Handy information about Lambert-St. Louis International Airport (STL)
The address for STL is 10701 Lambert International Blvd..
When it comes to Lambert-St. Louis International Airport's on-time performance, 78.04% of flights stick to their scheduled arrival time.
To get to Lambert-St. Louis International Airport from central St Louis, it'll take around 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 26 kilometres from the airport to the city centre.
Expect a journey time of around 35 minutes when using public transport.
Looking for a convenient hotel near STL? If you're catching an early flight from Lambert-St. Louis International Airport to Porto Airport, these accommodation options will have you moments from your check-in counter:
Arriving at Porto Airport (OPO)
If you're landing on a late Lambert-St. Louis International Airport to Porto Airport flight, nothing tops the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and sleeping not long after at one of these options near OPO:
Say yes to new adventures by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's main sights.
Booking your vehicle from Porto Airport about three weeks ahead can help you get the best possible rate.
Getting from Porto Airport (OPO) to central Porto
From Porto Airport, Porto is approximately 16 kilometres away. It takes around 20 minutes to get to the centre driving.
If you're travelling on public transport, expect a journey of roughly 50 minutes.
When to fly to Porto Airport (OPO)
The quietest month for a flight from Lambert-St. Louis International Airport to Porto Airport is January, while August is the most popular. Pick the ideal time to go to Porto based on whether you prefer a faster pace or a more relaxed vibe.
Lock in your flight from Lambert-St. Louis International Airport to Porto Airport for August if you'd like to explore Porto during its warmest month. Expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).
January has average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from STL to OPO sometime then if you'd rather travel in cooler conditions.
Explore more of Portugal
You've visited Porto, now it's time to discover other parts of Portugal. Journey about 274 kilometres south to Lisbon to tick off its popular sights. From Torre de Belem Garden to Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle, you've got a jam-packed schedule ahead.
If you're looking to explore another side of Portugal, head for Amadora, roughly 274 kilometres south of Porto. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are the start of reasons to visit.
