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>

$728 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

Sat, Apr 11 - 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

$1,115EVA Air

Mon, Apr 27 - Tue, May 5

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,116EVA Air

Sun, Apr 12 - Sun, May 10

6:00 am - 7:55 pm

ORD

PUS

47h 55m

2 stops

10:50 am - 6:40 am

PUS

ORD

33h 50m

2 stops

$1,118Multiple Airlines

Sun, Apr 12 - Sun, May 10

6:00 am - 6:00 pm

ORD

PUS

46h 00m

2 stops

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,156Multiple Airlines

Sun, Apr 12 - Sun, Apr 19

5:45 pm - 2:00 pm

ORD

PUS

30h 15m

1 stop

12:30 pm - 5:11 pm

PUS

ORD

42h 41m

2 stops

$1,165Multiple Airlines

Sat, Apr 25 - Sun, May 3

12:30 am - 6:00 pm

ORD

PUS

27h 30m

1 stop

7:10 pm - 9:00 pm

PUS

ORD

39h 50m

1 stop

$1,167EVA Air

Tue, Apr 28 - Tue, May 5

9:29 am - 8:45 pm

MDW

PUS

21h 16m

2 stops

7:00 am - 12:43 pm

PUS

MDW

19h 43m

2 stops

$1,686Delta

Sun, Apr 26 - Sun, May 3

9:27 am - 8:45 pm

MDW

PUS

21h 18m

2 stops

8:00 am - 4:26 pm

PUS

MDW

22h 26m

2 stops

$1,786Delta

Thu, Apr 30 - Thu, May 7

9:29 am - 7:35 pm

MDW

PUS

20h 06m

2 stops

8:00 am - 12:42 pm

PUS

MDW

18h 42m

2 stops

$2,213Korean Air

Thu, May 28 - Tue, Jul 28

9:23 am - 7:35 pm

MDW

PUS

20h 12m

2 stops

8:00 am - 12:30 pm

PUS

MDW

18h 30m

2 stops

$2,699Korean Air

Useful Info

Cheapest flight	$728

Flight from St. Louis 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

$728 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