Istanbul to Chicago IST, SAW → ORD
Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → O'Hare International Airport (ORD)
The cheapest return found recently is $707 with Turkish Airlines, 15 Dec – 18 Jan 2027, found today.
Return
The cheapest return fare on each of 12 departure dates is usually $713 to $829.
Cheapest return found recently
$707
15 Dec – 18 Jan 2027 · Turkish Airlines
Istanbul New Airport (IST) → O'Hare International Airport (ORD)
Leaves 7:35 a.m. · Return leaves 11:45 a.m. · 21 h 50 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$707
15 Dec – 18 Jan 2027 · Turkish Airlines
Istanbul New Airport (IST) → O'Hare International Airport (ORD)
Leaves 7:35 a.m. · Return leaves 11:45 a.m. · 21 h 50 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$707 15 Dec – 18 Jan 2027found todaySee prices for these dates
$701 13 Dec – 3 Jan 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $668 to $738.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 12 departure dates from 4 Dec to 7 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 34-night return fares leaving within 3 days of 15 Dec to compare.
Every date we hold
21 fares on 12 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 |
| 12 Feb 2027 – 28 Feb 2027 | $778 | LOT Polish | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 7 May 2027 – 23 May 2027 | $771 | British Airways | Istanbul New Airport (IST) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $701.
Airlines on the cheapest dates: Turkish Airlines, Lufthansa, British Airways, Air France, Pegasus Airlines, LOT Polish.
Premium cabin fares from Istanbul to Chicago
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 15 Dec – 18 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Istanbul to Chicago?
Return
Fares 30 to 59 days before departure were typically 19% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $878 | $720 | +24% | 10 |
| 30–59 days | $708 | $668 | Cheapest seen | 17 |
| 60–89 days | $717 | $673 | +1% | 21 |
| 90–179 days | $727 | $675 | +3% | 23 |
| 180+ days | $734 | $687 | +4% | 17 |
Live price for these dates
The cheapest return found recently is for 15 Dec – 18 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
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