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Flights Chicago – Istanbul (Istanbul New), Allegiant Air

1 passenger, economy

Flight schedule Chicago – Istanbul (Istanbul New), Allegiant Air

Compare prices, duration and stops

Allegiant Air
G4 341
20:53
Chicago, Chicago Rockford International Airport (RFD)
Sun, 27 sep
43h 37min
3 stops
16:30
Istanbul, Istanbul New (IST)
Tue, 29 sep +1
$373
Allegiant Air
G4 2131
15:08
Chicago, Chicago Rockford International Airport (RFD)
Sun, 4 oct
49h 22min
3 stops
16:30
Istanbul, Istanbul New (IST)
Tue, 6 oct +1
$365
Allegiant Air
G4 1255
15:44
Chicago, Chicago Rockford International Airport (RFD)
Mon, 5 oct
24h 46min
2 stops
16:30
Istanbul, Istanbul New (IST)
Tue, 6 oct +1
$351
Allegiant Air
G4 1311
14:34
Chicago, Chicago Rockford International Airport (RFD)
Wed, 7 oct
25h 56min
2 stops
16:30
Istanbul, Istanbul New (IST)
Thu, 8 oct +1
$356
Allegiant Air
G4 2853
15:39
Chicago, Chicago Rockford International Airport (RFD)
Mon, 12 oct
24h 51min
2 stops
16:30
Istanbul, Istanbul New (IST)
Tue, 13 oct +1
$443
Allegiant Air
G4 2853 Best price
15:39
Chicago, Chicago Rockford International Airport (RFD)
Mon, 19 oct
24h 51min
2 stops
16:30
Istanbul, Istanbul New (IST)
Tue, 20 oct +1
$280
Allegiant Air
G4 1311
14:34
Chicago, Chicago Rockford International Airport (RFD)
Wed, 21 oct
35h 41min
3 stops
02:15
Istanbul, Istanbul Sabiha Gökçen International Airport (SAW)
Fri, 23 oct +1
$428

Low price calendar

September 2026
Price chart (September 2026)
min: $314 · max: $405
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Good deal
$314
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$402

Popular Allegiant Air flights Chicago – Istanbul (Istanbul New)

All →
Flight Departure days Price from
G42853 Mon $280
G41255 Mon $351
G41311 Wed $356
G42131 Sun $365
G4341 Sun $373

Popular destinations from Chicago

All →
CHI
Chicago — Orlando
United States → United States
ORL
from
$21
CHI
Chicago — Orlando
United States → United States
MCO
from
$21
CHI
Chicago — Atlanta
United States → United States
ATL
from
$22
CHI
Chicago — Houston
United States → United States
IAH
from
$22
CHI
Chicago — Houston
United States → United States
HOU
from
$22
CHI
Chicago — New York
United States → United States
NYC
from
$23
CHI
Chicago — Denver
United States → United States
DEN
from
$24
CHI
Chicago — Fort Lauderdale
United States → United States
FLL
from
$24
CHI
Chicago — Miami
United States → United States
MIA
from
$25

Popular destinations to Istanbul

All →
AYT
Antalya — Istanbul
Turkiye → Turkiye
IST
from
$17
RMO
Chisinau — Istanbul
Moldova → Turkiye
IST
from
$38
CGN
Cologne — Istanbul
Germany → Turkiye
IST
from
$39
TBS
Tbilisi — Istanbul
Georgia → Turkiye
IST
from
$40
IZM
Izmir — Istanbul
Turkiye → Turkiye
IST
from
$42
ANK
Ankara — Istanbul
Turkiye → Turkiye
IST
from
$43
BER
Berlin — Istanbul
Germany → Turkiye
IST
from
$43
BJV
Bodrum — Istanbul
Turkiye → Turkiye
IST
from
$43
KRR
Krasnodar — Istanbul
Russia → Turkiye
IST
from
$46

Flight statistics Chicago – Istanbul (Istanbul New), Allegiant Air

We gathered interesting facts about the flight for you

Cheapest flight

G4 2853

$280

Fastest flight

G4 1255

24h 46min

Average time

32h 43min

Distance

6 128 km

Passenger reviews

No reviews for this route yet

Other airlines Chicago – Istanbul (Istanbul New)

American Airlines
American Airlines
Mon, Tue, Wed, Thu, Sat, Sun
Price from
$264
Icelandair
Icelandair
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
$282
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
$317
Porter Airlines
Porter Airlines
Tue, Thu, Fri, Sat, Sun
Price from
$318
Passaredo Linhas Aereas
Passaredo Linhas Aereas
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
$344
United Airlines
United Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
$367
Lufthansa
Lufthansa
Mon, Wed, Thu, Fri, Sat
Price from
$402
Jetblue Airways
Jetblue Airways
Tue, Thu, Fri, Sat
Price from
$408
Air Canada
Air Canada
Sat, Sun
Price from
$408
Air Serbia
Air Serbia
Wed, Sat
Price from
$459

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Frequently Asked Questions

The cheapest Allegiant Air ticket Chicago – Istanbul costs $280, flight G42853, departing at 15:39.
The fastest Allegiant Air flight Chicago – Istanbul takes 24h 46min, flight G41255, departing at 15:44.
The earliest Allegiant Air flight Chicago – Istanbul(G4341)departs at 20:53.