Chicago to Istanbul in October 2026
Round trips departing in October · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when October fares drop below your price.October 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 $1,155 | 3 | 4 | |||
| 5 $896 | 6 $892 | 7 $809 | 8 $884 | 9 $883 | 10 | 11 $906 |
| 12 $948 | 13 $880 | 14 $880 | 15 $944 | 16 | 17 | 18 $912 |
| 19 $966 | 20 | 21 | 22 | 23 $932 | 24 | 25 |
| 26 $894 | 27 | 28 $837 | 29 | 30 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in October 2026
Round trip, per person-
Oct 7 – 14 7 nights · leave Wed$809SAS Scandinavian 2 stops · 13h 20mBook
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Oct 28 – Nov 4 7 nights · leave Wed$837Icelandair 3 stops · 12h 45mBook
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Oct 7 – 15 8 nights · leave Wed$855LOT Polish 1 stop · 11h 50mBook
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Oct 13 – 21 8 nights · leave Tue$880Air Canada 2 stops · 13h 20mBook
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Oct 14 – 22 8 nights · leave Wed$880Egyptair 1 stop · 13h 30mBook
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Oct 9 – 17 8 nights · leave Fri$883Egyptair 1 stop · 13h 30mBook
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Oct 8 – 15 7 nights · leave Thu$884LOT Polish 1 stop · 11h 50mBook
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Oct 14 – 21 7 nights · leave Wed$884LOT Polish 1 stop · 11h 50mBook
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Oct 6 – 12 6 nights · leave Tue$892Royal Jordanian 1 stop · 14h 10mBook
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Oct 26 – Nov 5 10 nights · leave Mon$894Royal Jordanian 1 stop · 14h 40mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
Good to know for October
October vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $809 |
| November 2026 | $854 |
| December 2026 | $997 |
| January 2027 | $845 |
| February 2027 | $881 |
| March 2027 | $794 (cheapest month) |
| April 2027 | $843 |
| May 2027 | $855 |
| June 2027 | No fares found yet |
| July 2027 | $1,119 |
Chicago to Istanbul in October: questions
What's the cheapest date to fly from Chicago to Istanbul in October 2026?
Leaving Wednesday, October 7 and returning Wednesday, October 14 (7 nights) for $809 round trip on SAS Scandinavian, the cheapest of the 26 date combinations we track that month.
How much is a round trip from Chicago to Istanbul in October 2026?
From $809. Half of the 26 date combinations we track are under $909. Prices are per person in USD and change often.
Is October a cheap month to fly from Chicago to Istanbul?
It ranks 2 of 9 months we have prices for. The cheapest month is March 2027, from $794.