Chicago (ORD) to London (LHR) flights from USD858

*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.

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Lowest fares between Chicago and London

cmp-daily-histogram-bars-legend-min-price-aria-label USD932
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for August-2026
  • ORD–LHR, 08/13/2026 – 08/20/2026: From USD1,104
    13

    Th

    AUG

  • ORD–LHR, 08/14/2026 – 08/21/2026: From USD1,104
    14

    Fr

  • ORD–LHR, 08/15/2026 – 09/05/2026: From USD1,154
    15

    Sa

  • ORD–LHR, 08/16/2026 – 09/06/2026: From USD1,104
    16

    Su

  • ORD–LHR, 08/17/2026 – 09/07/2026: From USD1,104
    17

    Mo

  • ORD–LHR, 08/18/2026 – 09/01/2026: From USD1,054
    18

    Tu

  • ORD–LHR, 08/19/2026 – 08/26/2026: From USD1,054
    19

    We

  • ORD–LHR, 08/20/2026 – 08/27/2026: From USD1,104
    20

    Th

  • ORD–LHR, 08/21/2026 – 09/04/2026: From USD1,104
    21

    Fr

  • ORD–LHR, 08/22/2026 – 08/29/2026: From USD1,154
    22

    Sa

  • ORD–LHR, 08/23/2026 – 09/06/2026: From USD1,104
    23

    Su

  • ORD–LHR, 08/24/2026 – 09/14/2026: From USD1,104
    24

    Mo

  • ORD–LHR, 08/25/2026 – 09/08/2026: From USD1,054
    25

    Tu

  • ORD–LHR, 08/26/2026 – 09/09/2026: From USD1,054
    26

    We

  • ORD–LHR, 08/27/2026 – 09/10/2026: From USD1,104
    27

    Th

  • ORD–LHR, 08/28/2026 – 09/18/2026: From USD1,146
    28

    Fr

  • ORD–LHR, 08/29/2026 – 09/05/2026: From USD1,196
    29

    Sa

  • ORD–LHR, 08/30/2026 – 09/06/2026: From USD1,136
    30

    Su

  • ORD–LHR, 08/31/2026 – 09/21/2026: From USD1,136
    31

    Mo

  • ORD–LHR, 09/01/2026 – 09/15/2026: From USD1,054
    01

    Tu

    SEP

  • ORD–LHR, 09/02/2026 – 09/09/2026: From USD1,054
    02

    We

  • ORD–LHR, 09/03/2026 – 10/01/2026: From USD1,104
    03

    Th

  • ORD–LHR, 09/04/2026 – 09/18/2026: From USD1,104
    04

    Fr

  • ORD–LHR, 09/05/2026 – 09/19/2026: From USD1,154
    05

    Sa

  • ORD–LHR, 09/06/2026 – 09/27/2026: From USD1,104
    06

    Su

  • ORD–LHR, 09/07/2026 – 09/28/2026: From USD1,104
    07

    Mo

  • ORD–LHR, 09/08/2026 – 09/22/2026: From USD932
    08

    Tu

  • ORD–LHR, 09/09/2026 – 09/23/2026: From USD932
    09

    We

  • ORD–LHR, 09/10/2026 – 09/24/2026: From USD982
    10

    Th

  • ORD–LHR, 09/11/2026 – 09/18/2026: From USD982
    11

    Fr

  • ORD–LHR, 09/12/2026 – 09/19/2026: From USD1,032
    12

    Sa

  • RangeUSD932-USD1,196