Cheap flights from St. Louis to Porto from $529
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Porto departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Porto by changing tabs
Find the cheapest one-way flights from St. Louis to Porto
If you're looking for one-way flights from St. Louis to Porto, view some of our deals below provided by Air France, Lufthansa and United Airlines
Best airlines flying from St. Louis to Porto
Compare and see reviews for airlines that fly from St. Louis to Porto with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $624 | Free Cancellation | Rating 7.1 2,764 reviews | |||
| PriceFrom $752 | Free Cancellation | Rating 7.4 11,228 reviews |
KLM flights from St. Louis to Porto
Our best KLM deals on St. Louis to Porto flight tickets
Delta flights from St. Louis to Porto
Our best Delta deals on St. Louis to Porto flight tickets
How to get the cheapest flight ticket from St. Louis to Porto
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from St. Louis to Porto?
February. The cheapest time of year to fly to Porto from St. Louis is February. Most expensive is July
What is the cheapest day to depart St. Louis for Porto?
Monday. The cheapest day of the week is typically Monday. The most expensive is typically Thursday
When is the cheapest time to fly from St. Louis to Porto?
At noon. St. Louis to Porto flights are approximately 25% more expensive in the afternoon than at noon
What is the cheapest airline that flies to Porto from St. Louis?
Iberia. Iberia and United Airlines are the most popular carriers operating from St. Louis to Porto
What is the cheapest St. Louis to Porto flight route?
Lambert-St Louis - Porto. Fly from Lambert-St Louis to Porto for the best St. Louis - Porto flight prices
Cheap St. Louis to Porto (STL to OPO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Porto
Best Price Found | $529 |
|---|---|
Fastest flight time | 10h 20m |
Direct flights | None |
Airports in Porto | 1 airport |
How far is Lambert-St Louis to Porto by plane?
There are 4156.0 mi between Lambert-St Louis and Porto. A reasonable flight in good conditions will take 10h 20m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Porto Airport?
Prices for flights from Lambert-St Louis Airport to Porto Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Porto Airport?
The number of operators available for flights from Lambert-St Louis Airport to Porto Airport is 2 as of April 2024.
How old do you have to be to fly from Lambert-St Louis Airport to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Porto?
Finding the right flight to Porto from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.
Can I find flights from St. Louis to Porto with flexible booking policies on momondo?
All flight searches from St. Louis to Porto on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from St. Louis to Porto?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Porto.
I’m not ready to book a flight from St. Louis to Porto right now. Can momondo alert me if prices change?
Price alerts on flights to Porto from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.