How long is the flight from Illinois to Daegu?

Airlines like Korean Air, Delta, and Cathay Pacific fly from Illinois to Daegu in about 21h 35m. The time it takes to get you to your destination can typically vary by up to 3h 25m. Airlines will cover a distance of 6705 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in Daegu ranges from 0.7 - 8.4 inches per month. July is typically the wettest month, when rainfall can reach 8.4 in. December is typically the driest time to visit Daegu when rainfall is around 0.7 in.

If weather is an important factor for your trip to Daegu, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from IL to TAE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Daegu as you normally would.

What airport do you fly into for flights to Daegu from Illinois?

If you book a flight to Daegu from Illinois, you will be flying to Daegu, which is the city’s only airport. Daegu (TAE) is located 4.1 mi from the center of Daegu.

Can I find deals for flights from Illinois to Daegu that include hotel bookings?

Yes. In addition to deals on Illinois to Daegu flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Illinois to Daegu?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Daegu.

Can I find deals for business class flights from Illinois to Daegu?

Yes. Cheapflights offers flight deals from Illinois to Daegu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$789+ Flights from Illinois to Daegu

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Cheap flight deals from Illinois to Daegu

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$1,220 (Korean Air)
One-way from	$789 (Kiwi.com)

Provider with most accurate pricing for Chicago (CHI)-Daegu flight deals.

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From Illinois to Daegu

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One-way flight from Illinois to Daegu

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Cheapest flights from Illinois to Daegu
Explore the most affordable flight options available from Illinois to Daegu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2025.

Sat 12/272:35 pmORD - TAE

1 stop25h 00mCathay Pacific

Tue 1/131:45 pmTAE - ORD

1 stop38h 10mCathay Pacific

Deal found 11/6

$1,987

Best flights from Illinois to Daegu
Discover carefully curated flight deals from Illinois to Daegu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2025.

Thu 2/267:10 amSTL - TAE

2 stops21h 35mKorean Air

Mon 3/27:40 amTAE - STL

2 stops30h 45mKorean Air

Deal found 11/4

$1,220

Thu 2/266:35 amSTL - TAE

2 stops22h 10mDelta

Mon 3/27:40 amTAE - STL

2 stops30h 58mDelta

Deal found 11/5

$1,234

Sat 12/272:35 pmORD - TAE

1 stop25h 00mCathay Pacific

Tue 1/131:45 pmTAE - ORD

1 stop38h 10mCathay Pacific

Deal found 11/6

$1,987

Last-minute flights from Illinois to Daegu
Discover last-minute flight deals from Illinois to Daegu. Data last updated November 7, 2025 and is based on user searches.

Sat 12/272:35 pmORD - TAE

1 stop25h 00mCathay Pacific

Tue 1/131:45 pmTAE - ORD

1 stop38h 10mCathay Pacific

Deal found 11/6

$1,987

One-way flights from Illinois to Daegu
Search for one-way flight options from Illinois to Daegu. Find affordable one-way fares based on user searches. Data last updated November 7, 2025.

Mon 12/297:44 pmORD - TAE

3 stops50h 11mMultiple Airlines

Deal found 11/5

$789

Mon 12/292:35 pmORD - TAE

1 stop25h 00mCathay Pacific

Deal found 11/5

$887

Sun 12/288:00 amORD - TAE

3 stops37h 55mMultiple Airlines

Deal found 11/5

$903

Mon 12/2911:15 amORD - TAE

1 stop17h 30mKorean Air

Deal found 11/5

$1,220

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDaegu

STL - TAE

STLTAE

Lambert-St Louis

Thu 2/26

7:10 am-7:45 pm

2 stops21h 35m

Daegu

Mon 3/2

7:40 am-11:25 pm

2 stops30h 45m

$1,220

St. LouisDaegu

STL - TAE

STLTAE

Lambert-St Louis

Thu 2/26

6:35 am-7:45 pm

2 stops22h 10m

Daegu

Mon 3/2

7:40 am-11:38 pm

2 stops30h 58m

$1,234

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Sat 12/27

2:35 pm-6:35 am

1 stop25h 00m

Daegu

Tue 1/13

1:45 pm-12:55 pm

1 stop38h 10m

$1,987

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Mon 12/29

7:44 pm-12:55 pm

3 stops50h 11m

$789

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Mon 12/29

2:35 pm-6:35 am

1 stop25h 00m

$887

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Sun 12/28

8:00 am-12:55 pm

3 stops37h 55m

$903

ChicagoDaegu

ORD - TAE

ORDTAE

Chicago O'Hare Intl

Mon 12/29

11:15 am-7:45 pm

1 stop17h 30m

$1,220

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Best time to book a flight from Illinois to Daegu

Have a flexible travel schedule? Discover the best time to fly to Daegu from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Daegu

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Daegu from Illinois?
If you book a flight to Daegu from Illinois, you will be flying to Daegu, which is the city’s only airport. Daegu (TAE) is located 4.1 mi from the center of Daegu.
How long is the flight from Illinois to Daegu?
Airlines like Korean Air, Delta, and Cathay Pacific fly from Illinois to Daegu in about 21h 35m. The time it takes to get you to your destination can typically vary by up to 3h 25m. Airlines will cover a distance of 6705 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from Illinois to Daegu that include hotel bookings?
Yes. In addition to deals on Illinois to Daegu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Daegu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Daegu.
Can I find deals for business class flights from Illinois to Daegu?
Yes. Cheapflights offers flight deals from Illinois to Daegu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$789+ Cheap flights from Illinois to Daegu (TAE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Daegu with Cheapflights

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Cheap flight deals from Illinois to Daegu

Keep the following information in mind while searching for Illinois to Daegu flight deals. Data was last updated November 7, 2025.

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Round-trip from

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Find flight deals from Illinois to Daegu

Cheapest flights from Illinois to DaeguExplore the most affordable flight options available from Illinois to Daegu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2025.

Explore the most affordable flight options available from Illinois to Daegu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2025.

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Use the filters below to find and compare flights from Illinois to Daegu that are best for you.

Best time to book a flight from Illinois to Daegu

Have a flexible travel schedule? Discover the best time to fly to Daegu from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Daegu

Related info for your journey

Find useful and relevant information for your journey from Illinois to Daegu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Daegu from Illinois?

How long is the flight from Illinois to Daegu?

Can I find deals for flights from Illinois to Daegu that include hotel bookings?

How can I find direct flights from Illinois to Daegu?

Can I find deals for business class flights from Illinois to Daegu?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Daegu

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Cheapest flights from Illinois to Daegu
Explore the most affordable flight options available from Illinois to Daegu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2025.