What’s the cost of a flight from Chicago O'Hare to Siem Reap?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Siem Reap.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there alternative airports near Chicago and Siem Reap?

The two cities are about 13741 km apart. Looking beyond the main airport might reveal better options.

• Airports in Chicago: There are 3 airports in Chicago - Midway, O'Hare, Rockford.
• Airports in Siem Reap: Only Siem Reap is active at the moment.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Siem Reap has more than one airport, you can pick the most convenient for your destination.

Plan smarter: flights from Chicago O'Hare to Siem Reap

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Cambodia also checked out: Phnom Penh, Siem Reap, Sihanoukville.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.