Chicago (ORD) to Bucharest (OTP) flights from USD728

*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 Chicago and Bucharest

cmp-daily-histogram-bars-legend-min-price-aria-label USD894
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for August-2026
  • ORD–OTP, 08/18/2026 – 08/25/2026: From USD938
    18

    Tu

    AUG

  • ORD–OTP, 08/19/2026 – 08/26/2026: From USD938
    19

    We

  • ORD–OTP, 08/20/2026 – 09/10/2026: From USD1,035
    20

    Th

  • ORD–OTP, 08/21/2026 – 09/11/2026: From USD1,040
    21

    Fr

  • ORD–OTP, 08/22/2026 – 08/29/2026: From USD1,095
    22

    Sa

  • ORD–OTP, 08/23/2026 – 09/06/2026: From USD1,045
    23

    Su

  • ORD–OTP, 08/24/2026 – 08/31/2026: From USD1,045
    24

    Mo

  • ORD–OTP, 08/25/2026 – 09/08/2026: From USD985
    25

    Tu

  • ORD–OTP, 08/26/2026 – 09/02/2026: From USD985
    26

    We

  • ORD–OTP, 08/27/2026 – 09/17/2026: From USD1,035
    27

    Th

  • ORD–OTP, 08/28/2026 – 09/18/2026: From USD1,096
    28

    Fr

  • ORD–OTP, 08/29/2026 – 09/26/2026: From USD1,222
    29

    Sa

  • ORD–OTP, 08/30/2026 – 09/06/2026: From USD1,093
    30

    Su

  • ORD–OTP, 08/31/2026 – 09/07/2026: From USD1,092
    31

    Mo

  • ORD–OTP, 09/01/2026 – 09/08/2026: From USD985
    01

    Tu

    SEP

  • ORD–OTP, 09/02/2026 – 09/16/2026: From USD1,110
    02

    We

  • ORD–OTP, 09/03/2026 – 09/24/2026: From USD1,130
    03

    Th

  • ORD–OTP, 09/04/2026 – 09/11/2026: From USD1,191
    04

    Fr

  • ORD–OTP, 09/05/2026 – 09/19/2026: From USD1,100
    05

    Sa

  • ORD–OTP, 09/06/2026 – 09/27/2026: From USD1,049
    06

    Su

  • ORD–OTP, 09/07/2026 – 10/05/2026: From USD1,045
    07

    Mo

  • ORD–OTP, 09/08/2026 – 09/22/2026: From USD985
    08

    Tu

  • ORD–OTP, 09/09/2026 – 09/16/2026: From USD994
    09

    We

  • ORD–OTP, 09/10/2026 – 09/24/2026: From USD1,035
    10

    Th

  • ORD–OTP, 09/11/2026 – 09/25/2026: From USD1,040
    11

    Fr

  • ORD–OTP, 09/12/2026 – 09/19/2026: From USD1,095
    12

    Sa

  • ORD–OTP, 09/13/2026 – 09/27/2026: From USD898
    13

    Su

  • ORD–OTP, 09/14/2026 – 09/28/2026: From USD898
    14

    Mo

  • ORD–OTP, 09/15/2026 – 09/29/2026: From USD894
    15

    Tu

  • ORD–OTP, 09/16/2026 – 09/30/2026: From USD899
    16

    We

  • ORD–OTP, 09/17/2026 – 10/15/2026: From USD954
    17

    Th

  • RangeUSD894-USD1,222