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Low Price Flights from Louisville to Buenos Aires

Explore the cheapest flights from Louisville to Buenos Aires in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at AU$ 1,114, and round-trip tickets start at AU$ 1,588.

      • SDF 12:36
        16h 44m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Wed, Jan 14 | Delta Air Lines
        EZE 20:55
        19h 41m
        1 stop
        SDF 14:36
        Buenos Aires - Louisville | Wed, Jan 21 | Delta Air Lines
        AU$ 1,588 AU$ 2,209
        28% OFF
        28% OFF
        AU$ 2,209 AU$ 1,588
      • SDF 15:30
        13h 50m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Wed, Jan 14 | United Airlines
        EZE 23:55
        15h 19m
        1 stop
        SDF 13:14
        Buenos Aires - Louisville | Wed, Jan 21 | United Airlines
        AU$ 1,603 AU$ 2,209
        27% OFF
        27% OFF
        AU$ 2,209 AU$ 1,603
      • SDF 09:15
        20h 5m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Thu, Jan 22 | United Airlines
        EZE 23:55
        15h 19m
        1 stop
        SDF 13:14
        Buenos Aires - Louisville | Thu, Jan 29 | United Airlines
        AU$ 1,655 AU$ 2,209
        25% OFF
        25% OFF
        AU$ 2,209 AU$ 1,655
      • SDF 15:30
        13h 50m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Thu, Jan 8 | United Airlines
        EZE 23:55
        24h 4m
        1 stop
        SDF 21:59
        Buenos Aires - Louisville | Thu, Jan 15 | United Airlines
        AU$ 1,678
        24% OFF
        AU$ 2,209 AU$ 1,678
      • SDF 06:00
        25h 20m
        1 stop
        EZE 09:20
        Louisville - Buenos Aires | Wed, Dec 24 | United Airlines
        EZE 23:55
        22h 4m
        1 stop
        SDF 19:59
        Buenos Aires - Louisville | Sun, Dec 28 | United Airlines
        AU$ 1,741
        21% OFF
        AU$ 2,209 AU$ 1,741
      • SDF 09:15
        20h 5m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Fri, Jan 16 | United Airlines
        EZE 23:55
        24h 4m
        1 stop
        SDF 21:59
        Buenos Aires - Louisville | Tue, Jan 20 | United Airlines
        AU$ 1,741
        21% OFF
        AU$ 2,209 AU$ 1,741
      • SDF 09:15
        20h 5m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Sun, Jan 18 | United Airlines
        EZE 23:55
        24h 4m
        1 stop
        SDF 21:59
        Buenos Aires - Louisville | Sun, Jan 25 | United Airlines
        AU$ 1,901
        14% OFF
        AU$ 2,209 AU$ 1,901
      • SDF 06:00
        25h 20m
        1 stop
        EZE 09:20
        Louisville - Buenos Aires | Thu, Jan 29 | United Airlines
        EZE 22:05
        17h 9m
        1 stop
        SDF 13:14
        Buenos Aires - Louisville | Thu, Feb 5 | United Airlines
        AU$ 1,920
        13% OFF
        AU$ 2,209 AU$ 1,920
      • SDF 14:20
        15h
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Mon, Dec 22 | Delta Air Lines
        EZE 20:55
        21h 4m
        1 stop
        SDF 15:59
        Buenos Aires - Louisville | Mon, Dec 29 | Delta Air Lines
        AU$ 1,996
        10% OFF
        AU$ 2,209 AU$ 1,996
      • SDF 15:25
        13h 55m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Mon, Jan 5 | United Airlines
        EZE 22:05
        23h 49m
        1 stop
        SDF 19:54
        Buenos Aires - Louisville | Mon, Jan 12 | United Airlines
        AU$ 2,032
        8% OFF
        AU$ 2,209 AU$ 2,032
      • SDF 13:00
        17h 25m
        1 stop
        BUE Invalid Date
        Louisville - Buenos Aires | Fri, Dec 19 | Normal Airline
        BUE 15:00
        6h
        Direct
        SDF 16:00
        Buenos Aires - Louisville | Sun, Dec 21 | Normal Airline
        Find More Flights
        Find More Flights
      • SDF 09:15
        22h 5m
        1 stop
        EZE 09:20
        Louisville - Buenos Aires | Sun, Feb 1 | United Airlines
        AU$ 1,114 AU$ 1,503
        26% OFF
        26% OFF
        AU$ 1,503 AU$ 1,114
      • SDF 10:55
        21h 20m
        1 stop
        EZE 10:15
        Louisville - Buenos Aires | Sun, Jan 18 | Delta Air Lines
        AU$ 1,144 AU$ 1,503
        24% OFF
        24% OFF
        AU$ 1,503 AU$ 1,144
      • SDF 15:30
        15h 50m
        1 stop
        EZE 09:20
        Louisville - Buenos Aires | Sun, Jan 11 | United Airlines
        AU$ 1,170 AU$ 1,503
        22% OFF
        22% OFF
        AU$ 1,503 AU$ 1,170
      • SDF 09:15
        20h 5m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Tue, Jan 6 | United Airlines
        AU$ 1,181
        21% OFF
        AU$ 1,503 AU$ 1,181
      • SDF 15:30
        15h 50m
        1 stop
        EZE 09:20
        Louisville - Buenos Aires | Wed, Jan 7 | United Airlines
        AU$ 1,181
        21% OFF
        AU$ 1,503 AU$ 1,181
      • SDF 15:32
        15h 28m
        1 stop
        EZE 09:00
        Louisville - Buenos Aires | Tue, Jan 20 | Delta Air Lines
        AU$ 1,184
        21% OFF
        AU$ 1,503 AU$ 1,184
      • SDF 07:00
        22h 20m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Wed, Jan 21 | Delta Air Lines
        AU$ 1,184
        21% OFF
        AU$ 1,503 AU$ 1,184
      • SDF 15:32
        15h 28m
        1 stop
        EZE 09:00
        Louisville - Buenos Aires | Thu, Jan 22 | Delta Air Lines
        AU$ 1,184
        21% OFF
        AU$ 1,503 AU$ 1,184
      • SDF 15:32
        15h 28m
        1 stop
        EZE 09:00
        Louisville - Buenos Aires | Tue, Jan 27 | Delta Air Lines
        AU$ 1,184
        21% OFF
        AU$ 1,503 AU$ 1,184
      • SDF 09:05
        20h 15m
        1 stop
        EZE 07:20
        Louisville - Buenos Aires | Mon, Dec 22 | United Airlines
        AU$ 1,383
        8% OFF
        AU$ 1,503 AU$ 1,383
      • SDF 13:00
        17h 25m
        1 stop
        BUE Invalid Date
        Louisville - Buenos Aires | Fri, Dec 19 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Louisville to Buenos Aires are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Louisville to Buenos Aires Flight Details

The distance between Louisville and Buenos Aires is approximately 8,568.02km. Based on Trip.com's data travel demand peaks in December. The off-season for travel is November.

Cheapest one-way flight priceAU$ 1,114
Cheapest return ticket priceAU$ 1,588
Off-season for travelNovember
Peak season for travelDecember
Flight distance8,568.02km
Flight statistics for the Louisville–Buenos Aires route are based on aggregated booking data from Trip.com over the past 12 months.

Best Time to Book Flights from Louisville to Buenos Aires

The cheapest flights from Louisville to Buenos Aires are available between Jan 4 and Jan 11, with one way flights starting from AU$ 612.

Cheapest flights
From price
Search
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Louisville to Buenos Aires, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Louisville (SDF) to Buenos Aires (BUE)?

    Based on Trip.com data, United Airlines offers one-way fares as low as AU$ 1,114 on Cheapest nonstop routes (e.g. SDF to EZE on Sun, Feb 1), while Delta Air Lines offers Cheapest nonstop round-trips from AU$ 1,588 departing on Wed, Jan 14 and returning on Wed, Jan 21.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Louisville to Buenos Aires is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Louisville to Buenos Aires, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Feb 1, with one-way flights priced at just AU$ 1,114.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Buenos Aires travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Louisville to Buenos Aires is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Louisville to Buenos Aires on December 24, 2025 with United Airlines, with prices starting at AU$ 1,740.
  • The time difference between Buenos Aires and Louisville is 2h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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