Chicago to Istanbul in December 2026 MDW, ORD, RFD → IST, SAW
Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
For departures in December 2026, the cheapest return found recently is $899 with LOT Polish, 8 Dec – 8 Jan 2027, found today.
Return
In December 2026, the cheapest return fare on each of 9 departure dates is usually $899 to $1,124. Across all 22 departure dates we hold on this route, it is usually $786 to $1,013. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$899
8 Dec – 8 Jan 2027 · LOT Polish
O'Hare International Airport (ORD) → Istanbul New Airport (IST)
out 1 stop, back 1 stop
found today
Cheapest we hold, of any age
$745
28 Dec – 10 Feb 2027 · Turkish Airlines
O'Hare International Airport (ORD) → Istanbul New Airport (IST)
out nonstop, back nonstop
found 6 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 28 Dec – 10 Feb 2027 | $745 | Turkish Airlines | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 26 Dec – 4 Feb 2027 | $807 | LOT Polish | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 8 Dec – 8 Jan 2027 | $899 | LOT Polish | out 1 stop, back 1 stop | found today | See prices for these dates |
| 25 Dec – 9 Jan 2027 | $995 | LOT Polish | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 27 Dec – 9 Jan 2027 | $1,013 | LOT Polish | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Every date we hold
9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec – 4 Jan 2027 | $1,275 | TAP Air Portugal | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 2 stops, back 3 stops | found yesterday | See prices for these dates |
| 8 Dec – 8 Jan 2027 | $899 | LOT Polish | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 16 Dec – 24 Dec | $1,063 | Icelandair | O'Hare International Airport (ORD) → Sabiha Gokcen International Airport (SAW) | out 3 stops, back 3 stops | found 6 days ago | See prices for these dates |
| 21 Dec – 17 Jan 2027 | $1,124 | Air France | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 22 Dec – 3 Jan 2027 | $1,602 | Air Canada | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 25 Dec – 9 Jan 2027 | $995 | LOT Polish | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 26 Dec – 4 Feb 2027 | $807 | LOT Polish | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 27 Dec – 9 Jan 2027 | $1,013 | LOT Polish | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 28 Dec – 10 Feb 2027 | $745 | Turkish Airlines | O'Hare International Airport (ORD) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $716.
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