Cheap Flights from Chicago to Istanbul
Browse current best options from Chicago. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Chicago
RatePunk searches hundreds of travel sites at once for deals on flights to Istanbul
Prices updated 7 days ago
483 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)
Today’s best flight deals from Chicago to Istanbul
Explore current cheapest deals departing from Chicago to Istanbul
2027-04-12 – 2027-04-28
CHI - Istanbul
89% AI deal score
$915
$651
Round trip
2027-01-18 – 2027-01-25
CHI - Istanbul
75% AI deal score
$683
$659
Round trip
2026-12-01 – 2026-12-15
CHI - Istanbul
78% AI deal score
$760
$660
Round trip
2027-01-24 – 2027-01-29
CHI - Istanbul
74% AI deal score
$701
$688
Round trip
2026-12-01 – 2026-12-06
CHI - Istanbul
80% AI deal score
$826
$692
Round trip
2026-11-08 – 2026-11-21
CHI - Istanbul
78% AI deal score
$743
$719
Round trip
2027-04-13 – 2027-04-28
CHI - Istanbul
91% AI deal score
$1,010
$723
Round trip
2027-02-14 – 2027-02-25
CHI - Istanbul
71% AI deal score
$678
$734
Round trip
2027-01-22 – 2027-01-29
CHI - Istanbul
73% AI deal score
$684
$735
Round trip
2027-01-18 – 2027-01-25
CHI - Istanbul
76% AI deal score
$621
$744
Round trip