Cheap flights from Illinois to Busan from $1,226

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Busan departing on 8/24. 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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Cheap round-trip flights

 Logo
6:00 am - 4:00 pmSTL-TAE
44h 00m2 stops
 Logo
10:40 am - 2:39 pmTAE-STL
41h 59m2 stops
$1,226
Find Deal
Sun, Aug 24 - Wed, Aug 27
 Logo
1:05 am - 1:15 pmORD-TAE
22h 10m2 stops
 Logo
10:40 am - 6:14 pmTAE-ORD
21h 34m2 stops
$1,358
Find Deal
Thu, Sep 11 - Wed, Sep 17
 Logo
1:05 am - 1:15 pmORD-TAE
22h 10m2 stops
 Logo
10:40 am - 9:32 pmTAE-ORD
24h 52m3 stops
$1,378
Find Deal
Thu, Sep 11 - Wed, Sep 17
 Logo
6:00 am - 8:35 pmSTL-TAE
48h 35m3 stops
 Logo
7:05 am - 2:39 pmTAE-STL
45h 34m3 stops
$1,386
Find Deal
Sun, Aug 24 - Wed, Aug 27
Delta Logo
12:10 pm - 8:35 pmORD-TAE
18h 25m1 stop
Delta Logo
7:05 am - 9:30 amTAE-ORD
16h 25m1 stop
$1,754Delta
Find Deal
Fri, Sep 12 - Wed, Sep 17
Air France Logo
5:20 pm - 7:45 pmORD-TAE
35h 25m2 stops
Air France Logo
7:40 am - 3:10 pmTAE-ORD
46h 30m2 stops
$1,791Air France
Find Deal
Wed, Dec 24 - Thu, Jan 15
Korean Air Logo
11:05 am - 7:45 pmORD-TAE
17h 40m1 stop
Korean Air Logo
7:40 am - 8:40 amTAE-ORD
16h 00m1 stop
$2,005Korean Air
Find Deal
Wed, Dec 24 - Thu, Jan 15
Air France Logo
5:20 pm - 7:45 pmORD-TAE
35h 25m2 stops
Air France Logo
7:40 am - 3:10 pmTAE-ORD
46h 30m2 stops
$2,115Air France
Find Deal
Tue, Dec 16 - Thu, Jan 15
Cathay Pacific Logo
2:40 pm - 6:35 amORD-TAE
24h 55m1 stop
Cathay Pacific Logo
7:30 am - 1:00 pmTAE-ORD
20h 30m1 stop
$2,136Cathay Pacific
Find Deal
Mon, Dec 22 - Wed, Jan 14
Korean Air Logo
7:00 am - 7:45 pmORD-TAE
21h 45m2 stops
Korean Air Logo
7:40 am - 8:40 amTAE-ORD
16h 00m1 stop
$2,243Korean Air
Find Deal
Wed, Dec 24 - Thu, Jan 15

Air France flights from Illinois to Daegu

Our best Air France deals on Illinois to Daegu flight tickets
Air France
Dec 24
ORD5:20 pmChicago O'Hare Intl
35h 25m
2 stops
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
46h 30m
2 stops
ORD3:10 pmChicago O'Hare Intl
Air France
Dec 16
ORD5:20 pmChicago O'Hare Intl
35h 25m
2 stops
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
46h 30m
2 stops
ORD3:10 pmChicago O'Hare Intl
Air France
Dec 19
ORD5:20 pmChicago O'Hare Intl
35h 25m
2 stops
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
46h 30m
2 stops
ORD3:10 pmChicago O'Hare Intl

Korean Air flights from Illinois to Daegu

Our best Korean Air deals on Illinois to Daegu flight tickets
Korean Air
Dec 24
ORD11:05 amChicago O'Hare Intl
17h 40m
1 stop
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
16h 00m
1 stop
ORD8:40 amChicago O'Hare Intl
Korean Air
Dec 24
ORD7:00 amChicago O'Hare Intl
21h 45m
2 stops
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
16h 00m
1 stop
ORD8:40 amChicago O'Hare Intl
Korean Air
Dec 16
ORD11:05 amChicago O'Hare Intl
17h 40m
1 stop
TAE7:45 pmDaegu
Jan 15
TAE7:40 amDaegu
16h 00m
1 stop
ORD8:40 amChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Daegu 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 13, 2025.
Use the filters below to find and compare flights from Illinois to Daegu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDaegu

STL - TAE

STLTAE

Lambert-St Louis

Sun 8/24

6:00 am-4:00 pm

2 stops44h 00m

Daegu

Wed 8/27

10:40 am-2:39 pm

2 stops41h 59m

$1,226

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Thu 9/11

1:05 am-1:15 pm

2 stops22h 10m

Daegu

Wed 9/17

10:40 am-6:14 pm

2 stops21h 34m

$1,358

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Thu 9/11

1:05 am-1:15 pm

2 stops22h 10m

Daegu

Wed 9/17

10:40 am-9:32 pm

3 stops24h 52m

$1,378

St. LouisDaegu

STL - TAE

STLTAE

Lambert-St Louis

Sun 8/24

6:00 am-8:35 pm

3 stops48h 35m

Daegu

Wed 8/27

7:05 am-2:39 pm

3 stops45h 34m

$1,386

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Fri 9/12

12:10 pm-8:35 pm

1 stop18h 25m

Daegu

Wed 9/17

7:05 am-9:30 am

1 stop16h 25m

$1,754

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Wed 12/24

5:20 pm-7:45 pm

2 stops35h 25m

Daegu

Thu 1/15

7:40 am-3:10 pm

2 stops46h 30m

$1,791

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Wed 12/24

11:05 am-7:45 pm

1 stop17h 40m

Daegu

Thu 1/15

7:40 am-8:40 am

1 stop16h 00m

$2,005

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Tue 12/16

5:20 pm-7:45 pm

2 stops35h 25m

Daegu

Thu 1/15

7:40 am-3:10 pm

2 stops46h 30m

$2,115

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Mon 12/22

2:40 pm-6:35 am

1 stop24h 55m

Daegu

Wed 1/14

7:30 am-1:00 pm

1 stop20h 30m

$2,136

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Wed 12/24

7:00 am-7:45 pm

2 stops21h 45m

Daegu

Thu 1/15

7:40 am-8:40 am

1 stop16h 00m

$2,243

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Daegu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Daegu

Best Price Found

$1,226

Fastest flight time

17h 40m

Direct flights

None

Airports in Daegu

1 airport
The best flight deal from Illinois to Daegu found on momondo in the last 72 hours is $1,226
The fastest flight from Illinois to Daegu takes 17h 40m
There are no direct flights from Illinois to Daegu. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Daegu Airport and Lambert-St Louis Airport - Daegu Airport.
There is 1 airport near Daegu: Daegu (TAE)
  • When did momondo last update prices for flights from Illinois to Daegu Airport?

    Prices for flights from Illinois to Daegu Airport are updated daily.

  • How old do you have to be to fly from Illinois to Daegu 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 Illinois to Daegu Airport.

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

    The required travel and health documents for your Daegu Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Daegu Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Illinois to Daegu?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Daegu. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Illinois to Daegu with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Daegu?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Daegu. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Daegu with flexible booking policies on momondo?

Flights from Illinois to Daegu with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Daegu?

Once you have performed a search for Illinois to Daegu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Illinois to Daegu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Daegu and let you know when they change.

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1 adult
Mon 8/18
Mon 8/25

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