McDonal Most restaurant open 24 hours in Korea.
I am not sure how many store is in Korea, however you can find easily McDonald restaurant around main street.
04:00 ~ 10:30 : Morning menu, morning set is 3,700 KRW ~
10:30 ~ 14:00 : Lunch set
14:00 ~ 04:00 : Regular menu
The lunch set is below :
- BigMc set : 5,100 KRW
- McSpicy Shanghai Chicken set : 5,200 KRW
- Bacon Tomato Deluxe set : 6,000 KRW
- 1995 Bergur set : 6,200 KRW
- Quarter Pounder with Cheese set : 5,700 KRW
- Double Filet-O-Fish set : 5,300 KRW
Unfortunately since June 2009, no more re-fill soda drink.
Update : 27 Feb 2022
McDonal Korea Website : https://www.mcdonalds.co.kr/eng/main.do
McDelivery Korea Website : https://www.mcdelivery.co.kr/kr/?locale=en