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>

$629 CHEAP FLIGHTS from Illinois to Busan

PUS

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Flights Deals

Cheap Flights from Illinois to Busan

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Busan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Mon, Jun 30 - Mon, Sep 29

7:42 am - 8:30 amORD-PUS

34h 48m3 stops

7:35 am - 11:36 amPUS-ORD

42h 01m2 stops

$1,230

Find Deal

Mon, Jun 30 - Mon, Sep 29

7:42 am - 10:15 amORD-PUS

36h 33m3 stops

7:35 am - 10:28 pmPUS-ORD

28h 53m3 stops

$1,277

Find Deal

Wed, Jul 9 - Wed, Jul 16

6:40 am - 10:10 pmORD-PUS

25h 30m2 stops

7:45 am - 6:03 amPUS-ORD

36h 18m3 stops

$1,281

Find Deal

Tue, Sep 23 - Tue, Oct 21

4:00 pm - 1:35 pmORD-PUS

31h 35m1 stop

7:45 am - 2:25 pmPUS-ORD

20h 40m1 stop

$1,333Cathay Pacific

Find Deal

Sun, Jul 27 - Sun, Aug 3

7:11 pm - 6:20 pmSTL-PUS

33h 09m2 stops

10:40 am - 12:38 amPUS-STL

27h 58m2 stops

$1,519Delta

Find Deal

Wed, Jul 9 - Wed, Jul 16

4:00 pm - 7:00 amORD-PUS

25h 00m1 stop

7:45 am - 2:25 pmPUS-ORD

20h 40m1 stop

$1,624Cathay Pacific

Find Deal

Sat, Jul 26 - Sat, Aug 2

7:45 am - 7:45 amSTL-PUS

34h 00m2 stops

8:45 am - 8:22 amPUS-STL

37h 37m2 stops

$1,747Delta

Find Deal

Fri, Jul 25 - Fri, Aug 1

7:18 pm - 11:15 amORD-PUS

25h 57m2 stops

12:15 pm - 6:18 pmPUS-ORD

44h 03m2 stops

$1,843China Airlines

Find Deal

Tue, Sep 23 - Tue, Oct 21

8:55 am - 7:35 pmORD-PUS

20h 40m2 stops

8:05 am - 9:30 amPUS-ORD

15h 25m1 stop

$1,909Korean Air

Find Deal

Tue, Sep 23 - Tue, Oct 21

8:55 am - 7:35 pmORD-PUS

20h 40m2 stops

8:05 am - 12:39 pmPUS-ORD

18h 34m2 stops

$1,920Korean Air

Find Deal

Useful Info

Cheapest flight	$629

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PUS

$629 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