How does KAYAK find such low prices on flights from Illinois to Busan?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Busan. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Busan?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Busan from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Busan?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Busan with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Busan?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Busan from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$542 CHEAP FLIGHTS from Illinois to Busan

PUS

KAYAK searches hundreds of travel sites at once for deals on flights to Busan

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$1,125

Multiple Airlines

Thu 4/16Sun 4/26

ORD - PUS • 1 stop

Cheapest one-way

$542

Multiple Airlines

Mon 2/9

ORD - PUS • 3 stops

Start a new search

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We hope you love your trip to Busan!

Flight Deals

Cheap Flights from Illinois to Busan

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Busan

Thu, Apr 16 - Sun, Apr 26

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 6:40 am

PUS

ORD

25h 30m

2 stops

$1,125Multiple Airlines

Fri, Apr 17 - Sun, Apr 26

7:24 pm - 6:00 pm

ORD

PUS

32h 36m

2 stops

7:10 pm - 6:40 am

PUS

ORD

25h 30m

2 stops

$1,196Multiple Airlines

Sun, Feb 15 - Thu, Feb 19

6:35 am - 7:35 pm

STL

PUS

22h 00m

2 stops

7:55 am - 8:41 pm

PUS

STL

27h 46m

2 stops

$1,219Korean Air

Sun, Feb 15 - Thu, Feb 19

7:10 am - 7:35 pm

STL

PUS

45h 25m

2 stops

7:00 am - 11:36 pm

PUS

STL

31h 36m

2 stops

$1,225Korean Air

Sun, Mar 8 - Thu, Mar 12

5:29 pm - 10:50 am

ORD

PUS

27h 21m

2 stops

11:50 am - 2:11 pm

PUS

ORD

40h 21m

2 stops

$1,352Multiple Airlines

Fri, Feb 27 - Fri, Mar 6

2:35 pm - 1:20 pm

ORD

PUS

31h 45m

1 stop

3:45 pm - 7:35 pm

PUS

ORD

18h 50m

1 stop

$1,353Multiple Airlines

Fri, Feb 27 - Fri, Mar 6

4:00 pm - 2:35 pm

ORD

PUS

55h 35m

2 stops

3:45 pm - 7:35 pm

PUS

ORD

18h 50m

1 stop

$1,367EVA Air

Fri, Mar 13 - Fri, Mar 20

7:40 pm - 2:35 pm

ORD

PUS

52h 55m

2 stops

3:45 pm - 8:35 pm

PUS

ORD

18h 50m

1 stop

$1,456EVA Air

Sat, Mar 14 - Sat, Mar 21

3:35 pm - 1:20 pm

ORD

PUS

31h 45m

1 stop

7:40 am - 1:55 pm

PUS

ORD

20h 15m

1 stop

$1,510Cathay Pacific

Fri, Feb 27 - Fri, Mar 6

6:40 pm - 10:50 am

MDW

PUS

25h 10m

2 stops

7:00 am - 12:46 pm

PUS

MDW

20h 46m

2 stops

$2,019Delta

Useful Info

Cheapest flight	$542

Flight from Chicago to Busan

How does KAYAK find such low prices on flights from Illinois to Busan?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Busan.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Busan?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Busan from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Busan?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Busan with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Busan?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Busan from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Busan

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Busan

Busan (PUS)

PUS

$542 Find Cheap Flights from Illinois to Busan

KAYAK searches hundreds of travel sites at once for deals on flights to Busan

Everything you should know

Cheap Flights from Illinois to Busan

Recent round-trip flight deals from Illinois to Busan

Recent one-way flight deals from Illinois to Busan

Good to know

FAQs for booking flights from Illinois to Busan

How does KAYAK find such low prices on flights from Illinois to Busan?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Busan.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Busan?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Busan from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Busan?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Busan with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Busan?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Busan from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Busan

Information on the airport you'll fly into in Busan

Cabin class types available on flights to Illinois

Complete your trip to Busan with a hotel stay or car rental

Find direct flights for Busan

Flights to other popular destinations

Flights from domestic origins to Busan

Choose which airport to fly into in Busan

Find deals for your return flight