$747 Cheap Flights from Ostrava (OSR) to Chicago (CHI)

View $747 flight on Fri, May 22, 2026Opens in a new window

Popular airlines from Ostrava (OSR-Leos Janacek) to Chicago

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Cheap Flights from Ostrava to Chicago (OSR-CHI)

Prices were available within the past 7 days and start at $747 for one-way flights and $868 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$868 Roundtrip, found 4 days ago
$868
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $868 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,009 Roundtrip, found 4 days ago
$1,009
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,009 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,150 Roundtrip, found 4 days ago
$1,150
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,150 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,292 Roundtrip, found 4 days ago
$1,292
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,292 found 4 days ago
TAP Portugal
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,824 Roundtrip, found 4 days ago
$1,824
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,824 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,826 Roundtrip, found 4 days ago
$1,826
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,826 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,829 Roundtrip, found 4 days ago
$1,829
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,829 found 4 days ago
TAP Portugal
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,882 Roundtrip, found 4 days ago
$1,882
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,882 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,884 Roundtrip, found 4 days ago
$1,884
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,884 found 4 days ago
LOT-Polish Airlines
Fri, May 22 - Fri, May 29
OSR
Ostrava
ORD
Chicago
$1,887 Roundtrip, found 4 days ago
$1,887
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Fri, May 22 from Ostrava to Chicago, returning Fri, May 29, priced at $1,887 found 4 days ago

Travel information

Origin airport
Leos Janacek
Destination airport
O'Hare Intl.
Roundtrip price
$868
Distance
4686 mi

*Flight schedules are subject to change.

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