Las Vegas (LAS) to Porto (OPO) flights from USD741

*Modifying this information may result in a different fare

*All amounts are in USD. 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. Additional baggage fees may apply.

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 Las Vegas and Porto

cmp-daily-histogram-bars-legend-min-price-aria-label USD741
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for September-2026
  • LAS–OPO, 09/30/2026 – 10/14/2026: From USD973
    30

    We

    SEP

  • LAS–OPO, 10/01/2026 – 10/08/2026: From USD1,041
    01

    Th

  • LAS–OPO, 10/02/2026 – 10/09/2026: From USD1,035
    02

    Fr

  • LAS–OPO, 10/03/2026 – 10/10/2026: From USD1,093
    03

    Sa

  • LAS–OPO, 10/04/2026 – 11/01/2026: From USD1,244
    04

    Su

  • LAS–OPO, 10/05/2026 – 11/02/2026: From USD1,029
    05

    Mo

  • LAS–OPO, 10/06/2026 – 11/03/2026: From USD981
    06

    Tu

  • LAS–OPO, 10/07/2026 – 10/14/2026: From USD973
    07

    We

  • LAS–OPO, 10/08/2026 – 11/05/2026: From USD1,249
    08

    Th

  • LAS–OPO, 10/09/2026 – 10/30/2026: From USD1,037
    09

    Fr

  • LAS–OPO, 10/10/2026 – 11/07/2026: From USD1,092
    10

    Sa

  • LAS–OPO, 10/11/2026 – 11/08/2026: From USD1,032
    11

    Su

  • LAS–OPO, 10/12/2026 – 11/02/2026: From USD1,029
    12

    Mo

  • LAS–OPO, 10/13/2026 – 11/03/2026: From USD979
    13

    Tu

  • LAS–OPO, 10/14/2026 – 10/28/2026: From USD979
    14

    We

  • LAS–OPO, 10/15/2026 – 11/05/2026: From USD1,246
    15

    Th

  • LAS–OPO, 10/16/2026 – 10/30/2026: From USD1,033
    16

    Fr

  • LAS–OPO, 10/17/2026 – 11/14/2026: From USD1,078
    17

    Sa

  • LAS–OPO, 10/18/2026 – 11/08/2026: From USD1,038
    18

    Su

  • LAS–OPO, 10/19/2026 – 11/02/2026: From USD1,035
    19

    Mo

  • LAS–OPO, 10/20/2026 – 11/17/2026: From USD979
    20

    Tu

  • LAS–OPO, 10/21/2026 – 10/28/2026: From USD979
    21

    We

  • LAS–OPO, 10/22/2026 – 11/05/2026: From USD1,029
    22

    Th

  • LAS–OPO, 10/23/2026 – 10/30/2026: From USD1,038
    23

    Fr

  • LAS–OPO, 10/24/2026 – 11/14/2026: From USD1,078
    24

    Sa

  • LAS–OPO, 10/25/2026 – 11/22/2026: From USD1,038
    25

    Su

  • LAS–OPO, 10/26/2026 – 11/02/2026: From USD1,035
    26

    Mo

  • LAS–OPO, 10/27/2026 – 11/17/2026: From USD741
    27

    Tu

  • LAS–OPO, 10/28/2026 – 11/04/2026: From USD745
    28

    We

  • LAS–OPO, 10/29/2026 – 11/26/2026: From USD1,010
    29

    Th

  • RangeUSD741-USD1,249