The London International Airport (IATA: YXU, ICAO: CYXU) is an international airport located in London, Ontario, Canada. It is located 5 nautical miles (9.3 km; 5.8 mi) northeast of the city of London, Ontario and is classified as an airport of entry by Nav Canada. In 2023, the airport was listed as the 17th busiest airport in Canada in terms of aircraft movements with 102,122 flights. The airport posted a record 683,000 travelers in 2019 and 332,447 passengers in 2023. It provides services for cargo airlines and year-round flights with Air Canada Express and WestJet.

The airport is staffed by the Canada Border Services Agency (CBSA). CBSA officers at this airport can handle aircraft with no more than 180 passengers; however, they can handle up to 450 if the aircraft is unloaded in stages.