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Cheap flights from Chicago O'Hare Intl Airport to Busan from $555

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 10/15. 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

Cheap round-trip flights

EVA Air Logo
12:30 am - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 8:35 pmPUS-ORD
39h 40m1 stop
$1,012EVA Air
Find Deal
Sun, Mar 8 - Wed, Mar 11
Multiple Airlines Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
Multiple Airlines Logo
7:20 am - 11:00 pmPUS-ORD
30h 40m2 stops
$1,179Multiple Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Multiple Airlines Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
Multiple Airlines Logo
8:20 am - 11:00 pmPUS-ORD
29h 40m2 stops
$1,181Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Multiple Airlines Logo
11:30 pm - 5:40 pmORD-PUS
27h 10m1 stop
Multiple Airlines Logo
8:20 am - 11:00 pmPUS-ORD
29h 40m2 stops
$1,184Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
EVA Air Logo
12:30 am - 5:40 pmORD-PUS
27h 10m1 stop
EVA Air Logo
6:55 pm - 5:05 amPUS-ORD
48h 10m2 stops
$1,267EVA Air
Find Deal
Sun, Mar 8 - Wed, Mar 11
Cathay Pacific Logo
2:35 pm - 1:20 pmORD-PUS
31h 45m1 stop
Cathay Pacific Logo
7:40 am - 12:55 pmPUS-ORD
20h 15m1 stop
$1,453Cathay Pacific
Find Deal
Sat, Nov 8 - Sat, Nov 15
Cathay Pacific Logo
2:35 pm - 1:20 pmORD-PUS
31h 45m1 stop
Cathay Pacific Logo
7:40 am - 12:55 pmPUS-ORD
20h 15m1 stop
$1,459Cathay Pacific
Find Deal
Sat, Nov 8 - Sat, Nov 15
Air China Logo
3:40 pm - 11:45 amORD-PUS
30h 05m2 stops
Air China Logo
12:45 pm - 12:10 pmPUS-ORD
38h 25m2 stops
$1,788Air China
Find Deal
Thu, Oct 30 - Thu, Nov 6
Korean Air Logo
12:25 pm - 8:45 pmORD-PUS
18h 20m1 stop
Korean Air Logo
7:55 am - 9:40 amPUS-ORD
15h 45m1 stop
$2,278Korean Air
Find Deal
Mon, Mar 9 - Wed, Mar 11
Korean Air Logo
7:00 am - 7:35 pmORD-PUS
22h 35m2 stops
Korean Air Logo
7:55 am - 9:40 amPUS-ORD
15h 45m1 stop
$2,283Korean Air
Find Deal
Mon, Mar 9 - Wed, Mar 11

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
Mar 8
ORD12:30 amChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Mar 11
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD8:35 pmChicago O'Hare Intl
$1,012
Find similar
EVA Air
Mar 8
ORD12:30 amChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Mar 11
PUS6:55 pmBusan Gimhae
48h 10m
2 stops
ORD5:05 amChicago O'Hare Intl
$1,267
Find similar
EVA Air
Nov 15
ORD11:30 pmChicago O'Hare Intl
27h 10m
1 stop
PUS5:40 pmBusan Gimhae
Dec 1
PUS6:55 pmBusan Gimhae
39h 40m
1 stop
ORD7:35 pmChicago O'Hare Intl
$1,268
Find similar

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

Our best Korean Air deals on Chicago O'Hare Intl Airport to Busan flight tickets
Korean Air
Mar 9
ORD12:25 pmChicago O'Hare Intl
18h 20m
1 stop
PUS8:45 pmBusan Gimhae
Mar 11
PUS7:55 amBusan Gimhae
15h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$2,278
Find similar
Korean Air
Mar 9
ORD7:00 amChicago O'Hare Intl
22h 35m
2 stops
PUS7:35 pmBusan Gimhae
Mar 11
PUS7:55 amBusan Gimhae
15h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$2,283
Find similar
Korean Air
Mar 9
ORD7:00 amChicago O'Hare Intl
22h 35m
2 stops
PUS7:35 pmBusan Gimhae
Mar 11
PUS7:00 amBusan Gimhae
19h 41m
2 stops
ORD12:41 pmChicago O'Hare Intl
$2,294
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 September 25, 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 3/8

12:30 am-5:40 pm

1 stop27h 10m

Busan Gimhae

Wed 3/11

6:55 pm-8:35 pm

1 stop39h 40m

$1,012

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 11/8

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Sat 11/15

7:20 am-11:00 pm

2 stops30h 40m

$1,179

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 11/7

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Fri 11/14

8:20 am-11:00 pm

2 stops29h 40m

$1,181

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Fri 11/7

11:30 pm-5:40 pm

1 stop27h 10m

Busan Gimhae

Fri 11/14

8:20 am-11:00 pm

2 stops29h 40m

$1,184

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sun 3/8

12:30 am-5:40 pm

1 stop27h 10m

Busan Gimhae

Wed 3/11

6:55 pm-5:05 am

2 stops48h 10m

$1,267

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 11/8

2:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sat 11/15

7:40 am-12:55 pm

1 stop20h 15m

$1,453

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Sat 11/8

2:35 pm-1:20 pm

1 stop31h 45m

Busan Gimhae

Sat 11/15

7:40 am-12:55 pm

1 stop20h 15m

$1,459

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Thu 10/30

3:40 pm-11:45 am

2 stops30h 05m

Busan Gimhae

Thu 11/6

12:45 pm-12:10 pm

2 stops38h 25m

$1,788

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 3/9

12:25 pm-8:45 pm

1 stop18h 20m

Busan Gimhae

Wed 3/11

7:55 am-9:40 am

1 stop15h 45m

$2,278

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

Mon 3/9

7:00 am-7:35 pm

2 stops22h 35m

Busan Gimhae

Wed 3/11

7:55 am-9:40 am

1 stop15h 45m

$2,283

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.

Can stopping save me money on Chicago O'Hare Intl Airport to Busan flights?

You could potentially save up to 10% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Busan flight.

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

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Busan. There are no popular flight routes from Chicago O'Hare Intl Airport to Busan.
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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 18h 20m 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 $1,708Free CancellationRating
8.4
1,143 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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