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Flight BA721 Istanbul (Istanbul New) – O'Hare International Airport, British Airways

1 passenger, economy

Schedule for flight BA721 Istanbul (Istanbul New) – O'Hare International Airport, British Airways

Compare prices, duration and stops

British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Mon, 21 sep
14h 40min
1 stop
19:55
Chicago, O'Hare International Airport (ORD)
Mon, 21 sep
S$549
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Tue, 22 sep
14h 40min
1 stop
19:55
Chicago, O'Hare International Airport (ORD)
Tue, 22 sep
S$549
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Wed, 23 sep
17h
1 stop
22:15
Chicago, O'Hare International Airport (ORD)
Wed, 23 sep
S$545
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Thu, 24 sep
22h 15min
2 stops
03:30
Chicago, O'Hare International Airport (ORD)
Fri, 25 sep +1
S$555
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Tue, 29 sep
15h 40min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Tue, 29 sep
S$641
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Wed, 30 sep
15h 40min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Wed, 30 sep
S$638
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Thu, 1 oct
15h 40min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Thu, 1 oct
S$658
British Airways
BA 721
05:10
Istanbul, Istanbul New (IST)
Fri, 2 oct
15h 45min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Fri, 2 oct
S$659
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Tue, 6 oct
18h
1 stop
23:15
Chicago, O'Hare International Airport (ORD)
Tue, 6 oct
S$654
British Airways
BA 721
05:10
Istanbul, Istanbul New (IST)
Fri, 9 oct
22h 20min
2 stops
03:30
Chicago, O'Hare International Airport (ORD)
Sat, 10 oct +1
S$576
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Sat, 10 oct
19h 5min
2 stops
00:20
Chicago, O'Hare International Airport (ORD)
Sun, 11 oct +1
S$586
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Tue, 13 oct
36h 15min
1 stop
17:30
Chicago, O'Hare International Airport (ORD)
Wed, 14 oct +1
S$567
British Airways
BA 721
05:10
Istanbul, Istanbul New (IST)
Fri, 16 oct
22h 20min
2 stops
03:30
Chicago, O'Hare International Airport (ORD)
Sat, 17 oct +1
S$524
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Thu, 15 apr
17h 20min
1 stop
22:35
Chicago, O'Hare International Airport (ORD)
Thu, 15 apr
S$565
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Wed, 5 May
19h 10min
2 stops
00:25
Chicago, O'Hare International Airport (ORD)
Thu, 6 May +1
S$571
British Airways
BA 721 Best price
05:15
Istanbul, Istanbul New (IST)
Tue, 25 May
15h 40min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Tue, 25 May
S$499
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Mon, 31 May
17h 20min
1 stop
22:35
Chicago, O'Hare International Airport (ORD)
Mon, 31 May
S$512
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Mon, 7 June
21h 24min
2 stops
02:39
Chicago, O'Hare International Airport (ORD)
Tue, 8 June +1
S$540
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Thu, 10 June
15h
1 stop
20:15
Chicago, O'Hare International Airport (ORD)
Thu, 10 June
S$549
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Sat, 12 June
19h 10min
2 stops
00:25
Chicago, O'Hare International Airport (ORD)
Sun, 13 June +1
S$552
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Sun, 13 June
15h
1 stop
20:15
Chicago, O'Hare International Airport (ORD)
Sun, 13 June
S$552
British Airways
BA 721
05:10
Istanbul, Istanbul New (IST)
Fri, 9 July
23h 20min
2 stops
04:30
Chicago, O'Hare International Airport (ORD)
Sat, 10 July +1
S$553
British Airways
BA 721
05:15
Istanbul, Istanbul New (IST)
Sun, 18 July
15h 40min
1 stop
20:55
Chicago, O'Hare International Airport (ORD)
Sun, 18 July
S$638

Low price calendar

September 2026
Price chart (September 2026)
min: S$538 · max: S$555
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S$545
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S$538
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Popular destinations from Istanbul

All →
IST
Istanbul — Budapest
Turkiye → Hungary
BUD
from
S$18
IST
Istanbul — Iasi
Turkiye → Romania
IAS
from
S$18
IST
Istanbul — London
Turkiye → United Kingdom
LON
from
S$19
IST
Istanbul — London
Turkiye → United Kingdom
LTN
from
S$19
IST
Istanbul — London
Turkiye → United Kingdom
LGW
from
S$19
IST
Istanbul — Ankara
Turkiye → Turkiye
ESB
from
S$22
IST
Istanbul — Ankara
Turkiye → Turkiye
ANK
from
S$22
IST
Istanbul — Antalya
Turkiye → Turkiye
AYT
from
S$23
IST
Istanbul — Bodrum
Turkiye → Turkiye
BJV
from
S$24

Popular destinations to O'Hare International Airport

All →
HOU
Houston — Chicago
United States → United States
ORD
from
S$27
FLL
Fort Lauderdale — Chicago
United States → United States
ORD
from
S$33
ATL
Atlanta — Chicago
United States → United States
ORD
from
S$35
NYC
New York — Chicago
United States → United States
ORD
from
S$38
DEN
Denver — Chicago
United States → United States
ORD
from
S$42
LAS
Las Vegas — Chicago
United States → United States
ORD
from
S$51
PHL
Philadelphia — Chicago
United States → United States
ORD
from
S$59
TPA
Tampa — Chicago
United States → United States
ORD
from
S$66
LAX
Los Angeles — Chicago
United States → United States
ORD
from
S$71

Passenger reviews

No reviews for this route yet

Other British Airways flights on route Istanbul (Istanbul New) – O'Hare International Airport

All →
BA679
Mon, Wed, Thu, Fri, Sat, Sun
Price from
S$499
BA717
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$499
BA677
Mon, Wed, Thu
Price from
S$504
BA498
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$522
BA849
Tue, Wed, Thu, Fri, Sat
Price from
S$524
BA701
Sat
Price from
S$530
BA494
Mon, Tue, Wed, Sun
Price from
S$541
BA719
Mon, Tue, Wed, Thu, Fri
Price from
S$553
BA6724
Tue, Wed, Thu, Fri, Sat
Price from
S$566
BA681
Mon, Tue, Wed, Thu, Fri, Sat
Price from
S$566
BA6775
Mon, Tue, Wed, Thu, Fri, Sat
Price from
S$575
BA999
Wed, Thu
Price from
S$579
*Prices and links are taken from special offers, departure days from cheap-ticket statistics.

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Frequently Asked Questions

Flight BA721 British Airways operates on the route Istanbul (Istanbul New) – O'Hare International Airport on the following days: monday, tuesday, wednesday, thursday, friday, saturday, sunday.
Yes, there are. Flight BA717 departs at 12:40 from Istanbul (Istanbul New).