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Cheap flights from Chicago O'Hare Intl Airport to Busan from $519

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Busan departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Busan (ORD-PUS)

Cheap round-trip flights

Logo
4:00 pm - 7:15 pmORD-PUS
37h 15m2 stops
Logo
7:45 am - 2:25 pmPUS-ORD
44h 40m2 stops
$957
Find Deal
Sun, Sep 21 - Sun, Sep 28
Cathay Pacific Logo
4:00 pm - 7:00 amORD-PUS
25h 00m1 stop
Cathay Pacific Logo
2:05 pm - 1:00 pmPUS-ORD
37h 55m1 stop
$1,160Cathay Pacific
Find Deal
Mon, Sep 1 - Sun, Nov 30
Logo
11:50 am - 1:00 pmORD-PUS
35h 10m1 stop
Logo
7:35 am - 11:59 amPUS-ORD
42h 24m2 stops
$1,216
Find Deal
Sun, Sep 21 - Sun, Sep 28
China Airlines Logo
8:00 am - 7:00 pmORD-PUS
45h 00m2 stops
China Airlines Logo
10:10 am - 11:59 pmPUS-ORD
52h 49m2 stops
$1,353China Airlines
Find Deal
Mon, Sep 1 - Sun, Nov 30
China Airlines Logo
6:20 am - 7:00 pmORD-PUS
46h 40m2 stops
China Airlines Logo
10:10 am - 6:28 amPUS-ORD
35h 18m2 stops
$1,362China Airlines
Find Deal
Mon, Sep 1 - Sun, Nov 30
Air China Logo
7:19 am - 11:45 amORD-PUS
38h 26m2 stops
Air China Logo
12:45 pm - 11:15 pmPUS-ORD
24h 30m2 stops
$1,416Air China
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Wed, Sep 17 - Tue, Sep 30
EVA Air Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 7:35 pmPUS-ORD
39h 40m1 stop
$1,665EVA Air
Find Deal
Sat, Dec 27 - Tue, Jan 13
EVA Air Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 7:35 pmPUS-ORD
39h 40m1 stop
$1,666EVA Air
Find Deal
Sat, Dec 27 - Tue, Jan 13
Delta Logo
12:10 pm - 9:30 amORD-PUS
31h 20m1 stop
Delta Logo
4:30 pm - 9:30 amPUS-ORD
31h 00m1 stop
$1,896Delta
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Wed, Sep 17 - Tue, Sep 30
Delta Logo
5:30 am - 8:45 pmORD-PUS
25h 15m2 stops
Delta Logo
7:00 am - 9:30 amPUS-ORD
16h 30m1 stop
$1,901Delta
Find Deal
Wed, Sep 17 - Tue, Sep 30

EVA Air flights from Chicago O'Hare Intl Airport to Busan

Our best EVA Air deals on Chicago O'Hare Intl Airport to Busan flight tickets
EVA Air
Dec 27
ORD11:30 pmChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Jan 13
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD7:35 pmChicago O'Hare Intl
$1,665
Find similar
EVA Air
Dec 27
ORD11:30 pmChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Jan 13
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD7:35 pmChicago O'Hare Intl
$1,666
Find similar
EVA Air
Dec 27
ORD11:30 pmChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Jan 13
PUS6:55 pmBusan Gimhae
44h 04m
2 stops
ORD11:59 pmChicago O'Hare Intl
$1,726
Find similar

China Airlines flights from Chicago O'Hare Intl Airport to Busan

Our best China Airlines deals on Chicago O'Hare Intl Airport to Busan flight tickets
China Airlines
Aug 11
ORD8:42 pmChicago O'Hare Intl
32h 18m
2 stops
PUS7:00 pmBusan Gimhae
Sep 20
PUS12:15 pmBusan Gimhae
32h 48m
2 stops
ORD7:03 amChicago O'Hare Intl
$1,200
Find similar
China Airlines
Sep 1
ORD8:00 amChicago O'Hare Intl
45h 00m
2 stops
PUS7:00 pmBusan Gimhae
Nov 30
PUS10:10 amBusan Gimhae
52h 49m
2 stops
ORD11:59 pmChicago O'Hare Intl
$1,353
Find similar
China Airlines
Sep 1
ORD6:20 amChicago O'Hare Intl
46h 40m
2 stops
PUS7:00 pmBusan Gimhae
Nov 30
PUS10:10 amBusan Gimhae
35h 18m
2 stops
ORD6:28 amChicago O'Hare Intl
$1,362
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 9/21

4:00 pm-7:15 pm

2 stops37h 15m

Busan Gimhae

Sun 9/28

7:45 am-2:25 pm

2 stops44h 40m

$957

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 9/1

4:00 pm-7:00 am

1 stop25h 00m

Busan Gimhae

Sun 11/30

2:05 pm-1:00 pm

1 stop37h 55m

$1,160

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 9/21

11:50 am-1:00 pm

1 stop35h 10m

Busan Gimhae

Sun 9/28

7:35 am-11:59 am

2 stops42h 24m

$1,216

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 9/1

8:00 am-7:00 pm

2 stops45h 00m

Busan Gimhae

Sun 11/30

10:10 am-11:59 pm

2 stops52h 49m

$1,353

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 9/1

6:20 am-7:00 pm

2 stops46h 40m

Busan Gimhae

Sun 11/30

10:10 am-6:28 am

2 stops35h 18m

$1,362

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 9/17

7:19 am-11:45 am

2 stops38h 26m

Busan Gimhae

Tue 9/30

12:45 pm-11:15 pm

2 stops24h 30m

$1,416

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 12/27

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Tue 1/13

6:55 pm-7:35 pm

1 stop39h 40m

$1,665

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 12/27

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Tue 1/13

6:55 pm-7:35 pm

1 stop39h 40m

$1,666

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 9/17

12:10 pm-9:30 am

1 stop31h 20m

Busan Gimhae

Tue 9/30

4:30 pm-9:30 am

1 stop31h 00m

$1,896

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Wed 9/17

5:30 am-8:45 pm

2 stops25h 15m

Busan Gimhae

Tue 9/30

7:00 am-9:30 am

1 stop16h 30m

$1,901

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Busan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Busan?

Our data shows that Thursday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,908. Flights from Chicago O'Hare Intl Airport to Busan on a Monday will generally be more expensive and average around $3,569. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Chicago O'Hare Intl Airport to Busan

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Busan according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Busan (ORD to PUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Busan

Best Price Found

$519

Fastest flight time

20h 45m

Direct flights

None

Airports in Busan

1 airport
The best one-way flight to Busan from Chicago O'Hare Intl Airport in the past 72 hours is $519. The best round-trip flight deal from Chicago O'Hare Intl Airport to Busan found on momondo in the last 72 hours is $957.
The fastest flight from Chicago O'Hare Intl Airport to Busan takes 20h 45m
There are no direct flights from Chicago O'Hare Intl Airport to Busan. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Busan Gimhae Airport.
There is 1 airport near Busan: Busan Gimhae (PUS)
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  • How far is Chicago O'Hare Intl to Busan Gimhae by plane?

    A flight from Chicago O'Hare Intl to Busan Gimhae will travel around 6616.0 mi. Typically, this will take 20h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Busan Gimhae Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Busan Gimhae Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Busan Gimhae Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Busan Gimhae Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Busan Gimhae Airport.

  • What documentation or ID do you need to fly to Busan Gimhae Airport?

    The travel and health documents you'll need for your trip to Busan Gimhae Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Busan Gimhae Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Busan?

Best airlines flying from Chicago O'Hare Intl Airport to Busan

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Busan with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $1,782Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Busan?

Finding the right flight to Busan from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Busan quick and easy, saving you time and money.

Can I find flights from Chicago to Busan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Busan flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Busan?

momondo provides multiple filters to help you find the best flight to Busan from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Busan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Busan from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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