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

Complete
United Kingdom → Jeddah, Mecca, Saudi Arabia
Item Name Destination Amount Conditions
Meals Jeddah, Saudi Arabia 173.5 SAR per day Over 5 hours rate: covers subsistence expenses for a period of more than 5 but less than 10 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals Jeddah, Saudi Arabia 475 SAR per day Over 10 hours rate: covers subsistence expenses for a period of more than 10 but less than 24 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals and incidentals Jeddah, Saudi Arabia 637 SAR per day 24 hour rate: covers the total cost of meals and daily hotel-to-office travel for a full 24-hour period.; The actual room rate is paid in addition to this amount (source shows the rate as 'plus room rate').
Lodging Jeddah, Saudi Arabia 639 USD per night No specific conditions
Breakfast Jeddah, Saudi Arabia 105 SAR per meal No specific conditions
Lunch Jeddah, Saudi Arabia 152 SAR per meal No specific conditions
Dinner Jeddah, Saudi Arabia 280 SAR per meal No specific conditions
Incidentals Jeddah, Saudi Arabia 20 SAR per day Source row labelled 'Other': other expenses incurred during the day; employers may use the individual meal and other rates instead of the over 5 hour, over 10 hour and 24 hour rates.
Drinks Jeddah, Saudi Arabia 43 SAR per day No specific conditions
Transport Jeddah, Saudi Arabia 37 SAR per day Covers daily travel between the employee's hotel and office.
Total residual Jeddah, Saudi Arabia 637 SAR per day Total residual rate: intended to cover the total cost of meals in a period of 24 hours plus the cost of daily travel between the employee’s hotel and office; the 24 hour rate is the sum of the room rate and this total residual rate.

Source URL:
https://www.gov.uk/guidance/expenses-rates-for-employees-travelling-outside-the-uk
This source provides official travel rate information from gov.uk.