The checked luggage weight limit for international flights is usually the same as for domestic flights: 50 lbs. Most airlines set 50 lbs as their weight limit to reduce the risk of injury to baggage handlers.

For most international flights in 2026, the standard checked baggage allowance for an Economy passenger is one bag up to 50 lbs (23 kg). However, many "legacy" carriers on transoceanic routes (like US to Europe or Asia) still provide two bags of 50 lbs each for standard Economy, while "Basic Economy" tickets often include zero checked bags. If you are flying in Business or First Class, the allowance is significantly higher, typically allowing two or three bags weighing up to 70 lbs (32 kg) each. Regarding carry-on luggage, most US-based airlines do not have a strict weight limit as long as you can lift the bag into the bin, but international carriers (especially European and Asian airlines like Lufthansa or Singapore Airlines) often enforce a strict limit of 15 lbs to 22 lbs (7 kg to 10 kg) for your cabin bag. Always check your specific "Fare Rules," as low-cost carriers like Norse Atlantic or AirAsia charge for every gram of weight and have very different policies than full-service airlines.