Cheap Flights from Porto (OPO) to St. Thomas (SPB)

Popular airlines from Porto Airport (OPO) to St. Thomas (SPB-St. Thomas Seaplane Base)

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Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB) cost?
Secure a cheap one-way flight or cheap return flight from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB)?
Traveling in can help you save, as it's the cheapest month for flights between OPO and SPB. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from OPO to SPB. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB)?
Direct flights from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OPO to SPB?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB)?
Select a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB) last-minute?
Holding off until just before your trip to book a ticket from OPO to SPB generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Be flexible with your itinerary to boost your chances of getting a bargain.
Is it cheaper to book an OPO to SPB flight and hotel package?
Compared with arranging hotels and flights separately, booking an OPO to SPB flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to St. Thomas Seaplane Base Airport (SPB)?
If you reserved your OPO to SPB flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
St. Thomas Seaplane Base
Distance
3652 mi

Book with confidence

Porto to St. Thomas Flights

The cheapest times to fly from Porto to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to St. Thomas are during the month of . You can find some of the cheapest flights from Porto to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to St. Thomas

Sunday is one of the best days to book for cheap flights from Porto to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to St. Thomas in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Porto to St. Thomas Flights
*Available to One Key members.