Basel (BSL) to Buenos Aires (EZE) flights from CHF758

*Modifying this information may result in a different fare

* All amounts are in CHF. Taxes and surcharges are included. No booking fee is applicable, but a payment surcharge may apply. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. 

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Basel and Buenos Aires

cmp-daily-histogram-bars-legend-min-price-aria-label CHF784
cmp-daily-histogram-bars-legend-max-price-aria-label CHF1.7K
Displaying fares for September-2026
  • BSL–EZE, 11/09/2026 – 25/09/2026: From CHF1,027
    11

    Fr

    SEP

  • BSL–EZE, 12/09/2026 – 26/09/2026: From CHF1,119
    12

    Sa

  • BSL–EZE, 13/09/2026 – 27/09/2026: From CHF870
    13

    Su

  • BSL–EZE, 14/09/2026 – 17/09/2026: From CHF985
    14

    Mo

  • BSL–EZE, 15/09/2026 – 13/10/2026: From CHF838
    15

    Tu

  • BSL–EZE, 16/09/2026 – 14/10/2026: From CHF784
    16

    We

  • BSL–EZE, 17/09/2026 – 24/09/2026: From CHF960
    17

    Th

  • BSL–EZE, 18/09/2026 – 25/09/2026: From CHF1,108
    18

    Fr

  • BSL–EZE, 19/09/2026 – 17/10/2026: From CHF1,142
    19

    Sa

  • BSL–EZE, 20/09/2026 – 18/10/2026: From CHF1,097
    20

    Su

  • BSL–EZE, 21/09/2026 – 28/09/2026: From CHF1,048
    21

    Mo

  • BSL–EZE, 22/09/2026 – 13/10/2026: From CHF848
    22

    Tu

  • BSL–EZE, 23/09/2026 – 14/10/2026: From CHF993
    23

    We

  • BSL–EZE, 24/09/2026 – 08/10/2026: From CHF1,103
    24

    Th

  • BSL–EZE, 25/09/2026 – 28/09/2026: From CHF1,481
    25

    Fr

  • BSL–EZE, 26/09/2026 – 17/10/2026: From CHF1,472
    26

    Sa

  • BSL–EZE, 27/09/2026 – 18/10/2026: From CHF1,323
    27

    Su

  • BSL–EZE, 28/09/2026 – 19/10/2026: From CHF1,137
    28

    Mo

  • BSL–EZE, 29/09/2026 – 20/10/2026: From CHF1,145
    29

    Tu

  • BSL–EZE, 30/09/2026 – 14/10/2026: From CHF1,313
    30

    We

  • BSL–EZE, 01/10/2026 – 15/10/2026: From CHF1,457
    01

    Th

    OCT

  • BSL–EZE, 02/10/2026 – 05/10/2026: From CHF1,512
    02

    Fr

  • BSL–EZE, 03/10/2026 – 17/10/2026: From CHF1,457
    03

    Sa

  • BSL–EZE, 04/10/2026 – 07/10/2026: From CHF1,455
    04

    Su

  • BSL–EZE, 05/10/2026 – 19/10/2026: From CHF1,455
    05

    Mo

  • BSL–EZE, 06/10/2026 – 20/10/2026: From CHF1,217
    06

    Tu

  • BSL–EZE, 07/10/2026 – 14/10/2026: From CHF1,174
    07

    We

  • BSL–EZE, 08/10/2026 – 11/10/2026: From CHF1,295
    08

    Th

  • BSL–EZE, 09/10/2026 – 12/10/2026: From CHF1,708
    09

    Fr

  • BSL–EZE, 10/10/2026 – 13/10/2026: From CHF1,455
    10

    Sa

  • RangeCHF784-CHF1,708