Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
United States → Seoul, South Korea
Item Name Destination Amount Conditions
Lodging Seoul, South Korea 245 USD per night State Department DSSR 920 footnote 17: Seoul rate will also apply to Suwon, K-16, Kimpo Airfield, Camps Market, Mercer, Colbern, Boondang-gu, and Bundang.
Meals and incidentals Seoul, South Korea 119 USD per day State Department DSSR 920 footnote 17: Seoul rate will also apply to Suwon, K-16, Kimpo Airfield, Camps Market, Mercer, Colbern, Boondang-gu, and Bundang.

Source URL:
https://allowances.state.gov/web920/per_diem.asp
This source provides official travel rate information from allowances.state.gov.