$458 Cheap flights from Louisville Intl. to Dr. Francisco de Sa Carneiro (SDF to OPO)

Discover our best flights from Louisville SDF to Porto OPO. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

Find our best return flights from Louisville SDF to Porto OPO at the right price  

Airfares to Porto OPO from Louisville SDF currently cost between $591 and $610. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

Book one-way flights from Louisville SDF to Porto OPO 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Louisville SDF to Porto OPO on Travelocity starting at $458. Prices and availability subject to change. Additional terms may apply. 

Get to Porto OPO from Louisville SDF quicker with direct flights. 

Get to Porto faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to OPO from SDF to take around hour(s) min(s).  

Find our cheapest airfares for flights from Louisville SDF to Porto OPO

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to OPO from SDF. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

Get our best airfare deals for your flight from Louisville SDF to Porto OPO today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from Louisville SDF to Porto OPO. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

Book flexible airline tickets for flights to Porto OPO from Louisville SDF 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to OPO from SDF have this option.  

Travel with confidence when you book flights to Porto OPO from Louisville SDF with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.