Cheap flights from Chicago to Siem Reap from $509

Travelers frequently search for route combinations, such as Chicago and Mexico City, Guadalajara, Morelia, New York, León, Orlando, Las Vegas, Dallas, Houston, Tampa, Los Angeles, Miami, Phoenix, Denver, Monterrey, Cancún, Istanbul, Puerto Vallarta, Atlanta, Calgary.

Travelers frequently search for route combinations, such as Siem Reap and Bangkok, Washington, D.C., Boston, Phnom Penh, New York, Seattle, Minneapolis, Los Angeles, Phuket City, Hanoi, Ho Chi Minh City, Singapore, Da Nang, Krabi, Chiang Mai, Kuala Lumpur, Sihanoukville Province, Manila, Ko Samui, Vientiane.

Chicago is mainly served by O Hare International. But there are other airports nearby, including Chicago Midway International, Chicago Rockford International.

The main airport in Chicago is O Hare International. It is also served by Gerald R. Ford International, South Bend International, Fort Wayne International, Dane County Regional, General Mitchell International, Quad City International, General Wayne A. Downing Peoria International, Central Illinois Regional, Muskegon County, University of Illinois Willard.

The main airport in Siem Reap is Siem Reap International. It is also served by Phnom Penh International.

Currently, you can fly between Chicago and Siem Reap with Thai AirAsia, Air Cambodia, Cathay Pacific, Air India Limited, EVA Air.

If you don’t have specific dates for your trip between Chicago and Siem Reap, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Chicago and Siem Reap, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Chicago. The main one is O Hare International and other nearby airports include Gerald R. Ford International, South Bend International, Fort Wayne International, Dane County Regional, General Mitchell International, Quad City International, General Wayne A. Downing Peoria International, Central Illinois Regional, Muskegon County, University of Illinois Willard