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>

$512 CHEAP FLIGHTS from Illinois to Busan

PUS

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Flight 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

Recent round-trip flight deals from Illinois to Busan

Thu, Nov 13 - Wed, Nov 26

11:30 pm - 5:40 pmORD-PUS

27h 10m1 stop

6:55 pm - 7:35 pmPUS-ORD

39h 40m1 stop

$957EVA Air

Find Deal

Sat, Oct 4 - Mon, Oct 20

4:00 pm - 7:00 amORD-PUS

25h 00m1 stop

7:45 am - 2:25 pmPUS-ORD

20h 40m1 stop

$983Cathay Pacific

Find Deal

Thu, Nov 13 - Wed, Nov 26

3:25 pm - 5:40 pmORD-PUS

35h 15m2 stops

6:55 pm - 7:35 pmPUS-ORD

39h 40m1 stop

$1,075EVA Air

Find Deal

Thu, Nov 13 - Wed, Nov 26

11:30 pm - 5:40 pmORD-PUS

27h 10m1 stop

6:55 pm - 7:35 pmPUS-ORD

39h 40m1 stop

$1,079EVA Air

Find Deal

Sun, Sep 21 - Wed, Sep 24

12:30 am - 7:00 amORD-PUS

40h 30m2 stops

2:20 pm - 8:45 pmPUS-ORD

44h 25m2 stops

$1,148

Find Deal

Wed, Oct 29 - Wed, Nov 5

3:40 pm - 6:50 pmORD-PUS

37h 10m2 stops

10:10 am - 1:00 pmPUS-ORD

41h 50m2 stops

$1,159

Find Deal

Thu, Feb 26 - Mon, Mar 2

6:00 am - 7:30 pmSTL-PUS

22h 30m2 stops

7:55 am - 11:10 pmPUS-STL

30h 15m2 stops

$1,239Delta

Find Deal

Mon, Sep 22 - Wed, Sep 24

12:10 pm - 10:05 amORD-PUS

31h 55m1 stop

4:30 pm - 9:30 amPUS-ORD

31h 00m1 stop

$1,708Korean Air

Find Deal

Wed, Oct 29 - Wed, Nov 5

9:35 am - 7:30 pmMDW-PUS

19h 55m2 stops

7:00 am - 12:28 pmPUS-MDW

20h 28m2 stops

$1,720Delta

Find Deal

Sat, Oct 4 - Mon, Oct 20

9:35 am - 8:45 pmMDW-PUS

21h 10m2 stops

8:05 am - 12:28 pmPUS-MDW

18h 23m2 stops

$2,108Korean Air

Find Deal

Cheapest round-trip

$957

EVA Air

Thu 11/13Wed 11/26

ORD - PUS • 1 stop

Cheapest one-way

$512

Multiple Airlines

Wed 9/24

ORD - PUS • 2 stops

Start a new search

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We hope you love your trip to Busan!

Useful Info

Cheapest flight	$512

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

$512 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

Everything you should know

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