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Flights from Louisville to Porto
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Find Louisville to Porto flights starting at CAD 498.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • SDF12:33
        17h 22m
        1 stop
        OPO10:55
        Mon, Dec 16|Louisville - Porto|Delta Air Lines
        CAD 498CAD 851
        41% OFF
        41% OFF
        CAD 851CAD 498
      • SDF12:56
        17h 59m
        1 stop
        OPO11:55
        Fri, Nov 8|Louisville - Porto|Delta Air Lines
        CAD 727CAD 851
        15% OFF
        15% OFF
        CAD 851CAD 727
      • SDF13:07
        17h 48m
        1 stop
        OPO11:55
        Fri, Nov 8|Louisville - Porto|American Airlines
        CAD 774CAD 851
        9% OFF
        9% OFF
        CAD 851CAD 774
      • SDF13:00
        3h 5m
        Nonstop
        OPO14:00
        Tue, Nov 12|Louisville - Porto|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Louisville to Porto?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find Cheapest Airlines Flying from Louisville to Porto

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Delta Air Lines
From CAD 498
United Airlines
From CAD 656
Lufthansa
From CAD 730
American Airlines
From CAD 745
KLM
From CAD 925
Air France
From CAD 927
British Airways
From CAD 932
Virgin Atlantic
From CAD 937
ANA airlines

Find more flights and airlines

Alternative Routes for Louisville to Porto Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Louisville to Porto.

  • Cheapest
    Delta Air Lines
    SDF
    12:33
    17h 22m
    1 transfer
    OPO
    10:55
    Louisville International Airport - Francisco Sa Carneiro International Airport
    Mon, Dec 16Delta Air Lines
    CAD 498
  • Delta Air Lines
    SDF
    12:33
    17h 22m
    1 transfer
    OPO
    10:55
    Louisville International Airport - Francisco Sa Carneiro International Airport
    Mon, Dec 16Delta Air Lines
    CAD 498
    Find More Flights

FAQ

  • When are flight tickets from Louisville (SDF) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from Louisville to Porto based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Louisville (SDF) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around CAD 2,338.

  • What is the transportation method from the main airport to downtown in Porto?

    • The distance from Francisco Sa Carneiro International Airport to downtown is about 9km, by taxi about 20 minutes.

  • How many airports in Porto (OPO)?

    There are 1 airport(s) in Porto (OPO): Francisco Sa Carneiro International Airport.

How to find a cheap flight from Louisville to Porto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Louisville to Porto. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Louisville to Porto Flights

Cheapest direct flight priceCAD 497
Off-season travel monthOctober
Peak season for travelSeptember
Flight distance6,374.11km
Popular airlineAmerican Airlines

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