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>

$642 CHEAP FLIGHTS from Illinois to Busan

PUS

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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

Recent round-trip flight deals from Illinois to Busan

Thu, Sep 4 - Mon, Sep 8

4:00 pm - 7:00 amORD-PUS

25h 00m1 stop

7:45 am - 2:25 pmPUS-ORD

20h 40m1 stop

$962Cathay Pacific

Find Deal

Wed, Aug 27 - Wed, Sep 3

5:45 pm - 4:35 pmORD-PUS

32h 50m1 stop

8:30 am - 11:59 amPUS-ORD

41h 29m2 stops

$1,008

Find Deal

Wed, Aug 27 - Wed, Sep 3

4:00 pm - 7:00 amORD-PUS

25h 00m1 stop

7:45 am - 2:25 pmPUS-ORD

20h 40m1 stop

$1,087Cathay Pacific

Find Deal

Mon, Sep 1 - Sun, Nov 30

4:00 pm - 7:00 amORD-PUS

25h 00m1 stop

2:05 pm - 1:00 pmPUS-ORD

37h 55m1 stop

$1,096Cathay Pacific

Find Deal

Thu, Sep 4 - Mon, Sep 8

12:54 pm - 11:45 amORD-PUS

32h 51m2 stops

7:35 am - 6:11 pmPUS-ORD

24h 36m2 stops

$1,118

Find Deal

Mon, Sep 1 - Sun, Nov 30

6:20 am - 7:00 pmORD-PUS

46h 40m2 stops

11:50 am - 6:28 amPUS-ORD

33h 38m2 stops

$1,269China Airlines

Find Deal

Wed, Aug 13 - Sat, Aug 16

6:00 am - 7:45 amSTL-PUS

35h 45m2 stops

4:30 pm - 12:38 amPUS-STL

22h 08m2 stops

$1,654Delta

Find Deal

Fri, Oct 3 - Wed, Oct 8

5:10 pm - 6:20 pmORD-PUS

35h 10m2 stops

8:45 am - 3:00 pmPUS-ORD

68h 15m2 stops

$1,843Air France

Find Deal

Mon, Sep 1 - Sun, Nov 30

11:15 am - 9:30 amORD-PUS

32h 15m2 stops

4:10 pm - 8:30 amPUS-ORD

31h 20m1 stop

$1,901Delta

Find Deal

Sat, Dec 27 - Tue, Jan 6

5:20 pm - 8:10 amORD-PUS

47h 50m2 stops

7:00 am - 3:10 pmPUS-ORD

47h 10m2 stops

$1,936Air France

Find Deal

Useful Info

Cheapest flight	$642

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

$642 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

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