Flights from Chicago to Lisbon from USD 640

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Flights from Chicago to Lisbon

Discover the cheapest day and month to travel

Sep 2026
FromUSD 891*
Viewed 20 hours ago
Flight Type Round Trip|Economy
Oct 2026
FromUSD 640*
Viewed 1 day ago
Flight Type Round Trip|Economy
Nov 2026
FromUSD 649*
Viewed 1 day ago
Flight Type Round Trip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD 891
cmp-daily-histogram-bars-legend-max-price-aria-label USD 2.7K
Displaying fares for September-2026
  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    08

    Tu

    SEP

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    09

    We

  • ORD–LIS, 10/09/2026 – 20/09/2026: From USD 1,292
    10

    Th

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    11

    Fr

  • ORD–LIS, 12/09/2026 – 23/09/2026: From USD 891
    12

    Sa

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    13

    Su

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    14

    Mo

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

  • ORD–LIS, 16/09/2026 – 24/09/2026: From USD 1,056
    16

    We

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    17

    Th

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    18

    Fr

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    22

    Tu

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    23

    We

  • ORD–LIS, 24/09/2026 – 13/10/2026: From USD 1,176
    24

    Th

  • ORD–LIS, 25/09/2026 – 29/09/2026: From USD 2,471
    25

    Fr

  • ORD–LIS, 26/09/2026 – 29/09/2026: From USD 2,741
    26

    Sa

  • ORD–LIS, 27/09/2026 – 06/10/2026: From USD 1,286
    27

    Su

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    28

    Mo

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    29

    Tu

  • ORD–LIS, 30/09/2026 – 06/10/2026: From USD 1,381
    30

    We

  • ORD–LIS, 01/10/2026 – 08/10/2026: From USD 938
    01

    Th

    OCT

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    02

    Fr

  • ORD–LIS, 03/10/2026 – 11/10/2026: From USD 1,405
    03

    Sa

  • ORD–LIS, 04/10/2026 – 01/12/2026: From USD 1,141
    04

    Su

  • ORD–LIS, 05/10/2026 – 12/10/2026: From USD 1,726
    05

    Mo

  • ORD–LIS: cmp-view-offers-disclaimer. Find Offers
    06

    Tu

  • ORD–LIS, 07/10/2026 – 18/10/2026: From USD 1,619
    07

    We

    • RangeUSD 891-USD 2,741

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Best Flight Deals from Chicago to Lisbon

    USD
    keyboard_arrow_down
    Best Flight Deals from Chicago to Lisbon
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)Lisbon (LIS)Round trip
    |
    Economy    		11/04/2027 - 24/04/2027

    From

    USD 645

    Viewed 3 hours ago

    Chicago (ORD)Lisbon (LIS)Round trip
    |
    Economy    		22/10/2026 - 22/11/2026

    From

    USD 649

    Viewed 1 hour ago

    Chicago (ORD)Lisbon (LIS)Round trip
    |
    Economy    		06/11/2026 - 13/11/2026

    From

    USD 649

    Viewed 1 hour ago

    Chicago (ORD)Lisbon (LIS)Round trip
    |
    Economy    		23/10/2026 - 11/11/2026

    From

    USD 640

    Viewed 1 day ago

    Chicago (ORD)Lisbon (LIS)Round trip
    |
    Economy    		18/11/2026 - 04/12/2026

    From

    USD 649

    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

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    Business Flights Deals

    USD

    Chicago (ORD)to

    Lisbon (LIS)
    04/12/2026 - 11/12/2026

    Round trip

    Business

    From
    USD 3,299
    Viewed 2 hours ago

    Chicago (ORD)to

    Lisbon (LIS)
    27/11/2026 - 04/12/2026

    Round trip

    Business

    From
    USD 3,299
    Viewed 1 day ago
    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

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