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Cheap flights from Chicago (CHI) to Busan (PUS)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Chicago (CHI) to Busan (PUS)

How to find the cheapest flight from Chicago (CHI) to Busan (PUS)
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How to find the cheapest flight from Chicago (CHI) to Busan (PUS)
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How to find the cheapest flight from Chicago (CHI) to Busan (PUS)
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Cheap flights from Chicago to Busan in April , May 2026

21 Apr - 28 May $ 990.00
CHI
Chicago
Frontier Airlines
2 STOPS
PUS
Busan
PUS
Busan
Frontier Airlines
3 STOPS
CHI
Chicago
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15 Apr - 10 May $ 1,801.00
CHI
Chicago
EVA Air
1 STOPS
PUS
Busan
PUS
Busan
EVA Air
1 STOPS
CHI
Chicago
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14 Apr - 09 May $ 2,744.00
CHI
Chicago
Korean Air
1 STOPS
PUS
Busan
PUS
Busan
Korean Air
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Busan

21 Apr - 30 Apr $ 1,417.00
CHI
Chicago
Alaska Airlines
2 STOPS
PUS
Busan
PUS
Busan
Alaska Airlines
3 STOPS
CHI
Chicago
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15 Apr - 30 Apr $ 2,732.00
CHI
Chicago
Korean Air
1 STOPS
PUS
Busan
PUS
Busan
Korean Air
1 STOPS
CHI
Chicago
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14 Apr - 30 Apr $ 3,445.00
CHI
Chicago
Korean Air
1 STOPS
PUS
Busan
PUS
Busan
Korean Air
1 STOPS
CHI
Chicago
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One-way flights to Busan from Chicago

12:30 AM - 2:40 PM
EVA Air
1 Stops
27h 30m
CHI - PUS
$ 631
Kiwi
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12:30 AM - 2:40 PM
EVA Air
1 Stops
27h 30m
CHI - PUS
$ 658
Kiwi
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12:20 PM - 6:25 PM
Korean Air
1 Stops
17h 15m
CHI - PUS
$ 1,494
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Busan (PUS)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Busan (PUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.