Istanbul to Chicago in December 2026 IST, SAW → ORD
Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → O'Hare International Airport (ORD)
For departures in December 2026, the cheapest return found recently is $707 with Turkish Airlines, 15 Dec – 18 Jan 2027, found today.
Return
In December 2026, the cheapest return fare on each of 10 departure dates is usually $709 to $836. Across all 13 departure dates we hold on this route, it is usually $715 to $826.
Cheapest return found recently
$707
15 Dec – 18 Jan 2027 · Turkish Airlines
Istanbul New Airport (IST) → O'Hare International Airport (ORD)
out nonstop, back nonstop
found today
Cheapest we hold, of any age
$701
13 Dec – 3 Jan 2027 · Air France
Istanbul New Airport (IST) → O'Hare International Airport (ORD)
out 1 stop, back 1 stop
found 3 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 13 Dec – 3 Jan 2027 | $701 | Air France | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 23 Dec – 15 Jan 2027 | $701 | Turkish Airlines | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 15 Dec – 18 Jan 2027 | $707 | Turkish Airlines | out nonstop, back nonstop | found today | See prices for these dates |
| 22 Dec – 19 Jan 2027 | $715 | Turkish Airlines | out nonstop, back nonstop | found today | See prices for these dates |
| 17 Dec – 10 Jan 2027 | $731 | Turkish Airlines | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Every date we hold
10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec – 4 Jan 2027 | $765 | Turkish Airlines | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 6 Dec – 7 Jan 2027 | $839 | Lufthansa | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 7 Dec – 8 Jan 2027 | $826 | British Airways | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 8 Dec – 9 Jan 2027 | $839 | Lufthansa | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 13 Dec – 3 Jan 2027 | $701 | Air France | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 14 Dec – 14 Dec | $1,207 | Pegasus Airlines | Sabiha Gokcen International Airport (SAW) → O'Hare International Airport (ORD) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 15 Dec – 18 Jan 2027 | $707 | Turkish Airlines | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found today | See prices for these dates |
| 17 Dec – 10 Jan 2027 | $731 | Turkish Airlines | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 22 Dec – 19 Jan 2027 | $715 | Turkish Airlines | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found today | See prices for these dates |
| 23 Dec – 15 Jan 2027 | $701 | Turkish Airlines | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $701.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work