According to statistics released this week by the U.S. Department of Commerce’s National Travel & Tourism Office, 2013 was yet another record-breaking year for air travel into and out of the United States with a staggering 185.4 million trips.

Americans took 44 percent of those trips (81 million) and U.S. airlines carried 53 percent of the international market (98.4 million). While domestic carriers including United Airlines, American Airlines, Delta Air Lines and US Airways led the way in carting passengers on international routes, their share of the market was down from 2012.

Last year, foreign-flagged carriers like British Airways, Air Canada, Lufthansa, West Jet and Air France funneled 6 percent more travelers (86.9 million) into and out of the U.S. than 2012. The increase likely reflects a 5 percent growth in the number of non-U.S. citizens taking trips to and from American cities.

New York JFK (26.7 million; up 5.4 percent), Miami (20.1 million; up 4.7 percent) and Los Angeles (17.8 million; up 3.7 percent) handled, by far, the most passenger traffic for international routes with one leg on American soil. In fact, these three hubs managed as many passengers as the seven remaining U.S. airports in the top 10 combined.

Yet it was Dallas-Fort Worth that saw the biggest year-on-year change in international passenger traffic with double-digit growth of 11.3 percent.

The National Travel & Tourism Office called Canada and Mexico the biggest “breakouts” of international air travel last year. Mexico had the highest increase in trips to and from the U.S. with an 8.9 percent surge in traffic in Mexico City and a 7.3 percent bump in Cancun. A 4.5 percent increase in Toronto, meanwhile, put it ahead of Tokyo Narita as the second-busiest foreign airport for U.S. flights.

In total, the 10 most popular foreign airports funneling travelers into and out of the U.S. handled 40 percent of all international air traffic. Scroll through the slideshow above to find out where they are.

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No. 1 London Heathrow
London Heathrow airport handled 14.4 million passengers traveling to and from the U.S. in 2013, representing a growth of 2.1 percent. Reuters
No. 2 Toronto YYZ
No. 2 Toronto (YYZ): Toronto handled 10.9 million passengers traveling to and from the U.S. in 2013, representing a growth of 4.5 percent. Reuters
No. 3 Tokyo Narita NRT
No. 3 Tokyo Narita (NRT): Tokyo Narita handled 9.6 million passengers traveling to and from the U.S. in 2013, representing a slight decline of 0.1 percent. Reuters
No. 4 Frankfurt FRT
No. 4 Frankfurt (FRT): Frankfurt handled 6.7 million passengers traveling to and from the U.S. in 2013, representing a growth of 1.9 percent. Reuters
No. 5 Paris Charles de Gaulle CDG
No. 5 Paris Charles de Gaulle (CDG): Paris Charles de Gaulle handled 6.4 million passengers traveling to and from the U.S. in 2013, representing a growth of 4.7 percent. Reuters
No. 6 Cancun CUN
No. 6 Cancun (CUN): Cancun handled 6.2 million passengers traveling to and from the U.S. in 2013, representing a growth of 7.3 percent. Reuters
No. 7 Mexico City MEX
No. 7 Mexico City (MEX): Mexico City handled 5.9 million passengers traveling to and from the U.S. in 2013, representing a growth of 8.9 percent. Reuters
No. 8 Incheon ICT
No. 8 Incheon (ICT): Incheon handled 5 million passengers traveling to and from the U.S. in 2013, representing a growth of 5.7 percent. Reuters
No. 9 Amsterdam AMS
No. 9 Amsterdam (AMS): Amsterdam handled 4.6 million passengers traveling to and from the U.S. in 2013, representing a growth of 5.1 percent. Reuters
No. 10 Vancouver YVR
No. 10 Vancouver (YVR): Vancouver handled 4.4 million passengers traveling to and from the U.S. in 2013, representing a growth of 0.4 percent. Reuters
Mexico Canada American Airlines