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

Complete
United Kingdom → South Padre Island, Cameron County, Texas, United States
Item Name Destination Amount Conditions
Meals Grand Cayman, Cayman Islands 33.5 KYD 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 Grand Cayman, Cayman Islands 92.5 KYD 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 Grand Cayman, Cayman Islands 118.5 KYD 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 Grand Cayman, Cayman Islands 211 USD per night No specific conditions
Breakfast Grand Cayman, Cayman Islands 20 KYD per meal No specific conditions
Lunch Grand Cayman, Cayman Islands 30.5 KYD per meal No specific conditions
Dinner Grand Cayman, Cayman Islands 56 KYD per meal No specific conditions
Incidentals Grand Cayman, Cayman Islands 0 KYD 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 Grand Cayman, Cayman Islands 6 KYD per day No specific conditions
Transport Grand Cayman, Cayman Islands 6 KYD per day Covers daily travel between the employee's hotel and office.
Total residual Grand Cayman, Cayman Islands 118.5 KYD 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.
Meals Houston, United States of America 24 USD 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 Houston, United States of America 66.5 USD 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 Houston, United States of America 88 USD 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 Houston, United States of America 113.5 USD per night No specific conditions
Breakfast Houston, United States of America 14 USD per meal No specific conditions
Lunch Houston, United States of America 21 USD per meal No specific conditions
Dinner Houston, United States of America 40 USD per meal No specific conditions
Incidentals Houston, United States of America 0 USD 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 Houston, United States of America 5.5 USD per day No specific conditions
Transport Houston, United States of America 7.5 USD per day Covers daily travel between the employee's hotel and office.
Total residual Houston, United States of America 88 USD 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.