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>

$680 CHEAP FLIGHTS from Illinois to Busan

PUS

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Cheap Flights from Illinois to Busan

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Busan

Sun, May 3 - Mon, May 11

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 6:00 am

PUS

ORD

24h 50m

2 stops

$1,443EVA Air

Sat, May 2 - Mon, May 11

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 6:00 am

PUS

ORD

24h 50m

2 stops

$1,483EVA Air

Thu, Apr 30 - Sat, May 9

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,503EVA Air

Thu, Apr 30 - Sun, May 10

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,538EVA Air

Sat, May 9 - Thu, Aug 20

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:30 am - 12:42 am

PUS

ORD

55h 12m

2 stops

$1,552Multiple Airlines

Wed, Jun 10 - Wed, Jun 17

2:15 pm - 9:35 pm

STL

PUS

41h 20m

2 stops

8:05 am - 12:21 pm

PUS

STL

42h 16m

2 stops

$1,601Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

5:30 pm - 7:45 am

STL

PUS

24h 15m

2 stops

10:40 am - 11:01 pm

PUS

STL

26h 21m

2 stops

$1,860Korean Air

Thu, Sep 10 - Mon, Sep 14

6:00 am - 4:35 pm

STL

PUS

20h 35m

2 stops

8:00 am - 2:38 pm

PUS

STL

20h 38m

2 stops

$2,698Korean Air

Wed, May 6 - Thu, May 14

9:29 am - 7:35 pm

MDW

PUS

20h 06m

2 stops

8:00 am - 12:42 pm

PUS

MDW

18h 42m

2 stops

$2,783Delta

Tue, Jun 9 - Mon, Jun 29

6:00 am - 6:20 pm

MDW

PUS

22h 20m

2 stops

8:00 am - 12:41 pm

PUS

MDW

18h 41m

2 stops

$2,853Delta

Useful Info

Cheapest flight	$680

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

$680 Find Cheap Flights from Illinois to Busan

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

Cheap Flights from Illinois to Busan

Recent round-trip flight deals from Illinois to Busan

Recent one-way flight deals from Illinois to Busan

Recent last minute 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