Porto (OPO) to Columbus (CMH) flights from EUR729

*Modifying this information may result in a different fare

*All amounts are in EUR. Taxes and surcharges are included. No booking fee is applicable. 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 Porto and Columbus

cmp-daily-histogram-bars-legend-min-price-aria-label EUR729
cmp-daily-histogram-bars-legend-max-price-aria-label EUR1.2K
Displaying fares for September-2026
  • OPO–CMH, 12/09/2026 – 15/09/2026: From EUR1,061
    12

    Sa

    SEP

  • OPO–CMH, 13/09/2026 – 16/09/2026: From EUR1,190
    13

    Su

  • OPO–CMH, 14/09/2026 – 17/09/2026: From EUR1,016
    14

    Mo

  • OPO–CMH, 15/09/2026 – 29/09/2026: From EUR932
    15

    Tu

  • OPO–CMH, 16/09/2026 – 14/10/2026: From EUR932
    16

    We

  • OPO–CMH, 17/09/2026 – 24/09/2026: From EUR932
    17

    Th

  • OPO–CMH, 18/09/2026 – 21/09/2026: From EUR942
    18

    Fr

  • OPO–CMH, 19/09/2026 – 22/09/2026: From EUR740
    19

    Sa

  • OPO–CMH, 20/09/2026 – 27/09/2026: From EUR831
    20

    Su

  • OPO–CMH, 21/09/2026 – 05/10/2026: From EUR735
    21

    Mo

  • OPO–CMH, 22/09/2026 – 13/10/2026: From EUR729
    22

    Tu

  • OPO–CMH, 23/09/2026 – 21/10/2026: From EUR732
    23

    We

  • OPO–CMH, 24/09/2026 – 15/10/2026: From EUR729
    24

    Th

  • OPO–CMH, 25/09/2026 – 28/09/2026: From EUR729
    25

    Fr

  • OPO–CMH, 26/09/2026 – 29/09/2026: From EUR889
    26

    Sa

  • OPO–CMH, 27/09/2026 – 04/10/2026: From EUR937
    27

    Su

  • OPO–CMH, 28/09/2026 – 05/10/2026: From EUR729
    28

    Mo

  • OPO–CMH, 29/09/2026 – 06/10/2026: From EUR729
    29

    Tu

  • OPO–CMH, 30/09/2026 – 21/10/2026: From EUR732
    30

    We

  • OPO–CMH, 01/10/2026 – 15/10/2026: From EUR740
    01

    Th

    OCT

  • OPO–CMH, 02/10/2026 – 05/10/2026: From EUR740
    02

    Fr

  • OPO–CMH, 03/10/2026 – 17/10/2026: From EUR883
    03

    Sa

  • OPO–CMH, 04/10/2026 – 18/10/2026: From EUR931
    04

    Su

  • OPO–CMH, 05/10/2026 – 12/10/2026: From EUR729
    05

    Mo

  • OPO–CMH, 06/10/2026 – 13/10/2026: From EUR729
    06

    Tu

  • OPO–CMH, 07/10/2026 – 21/10/2026: From EUR732
    07

    We

  • OPO–CMH, 08/10/2026 – 15/10/2026: From EUR735
    08

    Th

  • OPO–CMH, 09/10/2026 – 06/11/2026: From EUR740
    09

    Fr

  • OPO–CMH, 10/10/2026 – 13/10/2026: From EUR1,003
    10

    Sa

  • OPO–CMH, 11/10/2026 – 18/10/2026: From EUR1,144
    11

    Su

  • RangeEUR729-EUR1,190