Cheap Flights from Chicago to Siem Reap–Angkor

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      Compare Chicago to Siem Reap–Angkor flight deals

      Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

      Book the best Siem Reap–Angkor fare with no extra fees

      Flight deals from Chicago to Siem Reap–Angkor

      Looking for a cheap last-minute deal or the best return flight from Chicago to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Chicago to Siem Reap–Angkor

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Siem Reap–Angkor flights are currently cheapest in January.

      Chicago to Siem Reap–Angkor : Alternative routes

      Compare routes from Chicago to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

      Chicago to Siem Reap: Flight information

      The things to know before you go.
      Cheapest flight foundRs143,388
      Cheapest month to flyJanuary

      Finding cheap flights from Chicago to Siem Reap–Angkor : Frequently asked questions

      The best price we found for a return flight from Chicago to Siem Reap–Angkor is Rs309,118. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Chicago to Siem Reap–Angkor . But we found flights with one stop from Rs307,917.
      As of August 2026, there are no flights flying from Chicago to Siem Reap–Angkor .
      The cheapest month to fly from Chicago to Siem Reap–Angkor is usually October.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Siem Reap–Angkor Airport on Wednesday, 14 October 2026.
      No airlines currently offer direct flights between Chicago and Siem Reap–Angkor Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.

      The cheapest airline that flies to Siem Reap–Angkor is Etihad Airways .

      Flying from Chicago to Siem Reap Angkor Airport (SAI): What you need to know

      • Siem Reap is 13 hours ahead of Chicago. Siem Reap Angkor Airport is located in Siem Reap, which operates on the UTC+7 timezone.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to catch your flight from Chicago to SAI.

      • Popular months like July or high seasons such as spring break and Thanksgiving will mean bigger waits at check-in and security. Travelling then? Play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a wise idea.

      Airports in Chicago

      Chicago O'Hare International Airport (ORD)

      • The journey from central Chicago to ORD takes around 45 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 27 kilometres in 30 minutes or so, depending on traffic conditions.

      • Catching an early flight from Chicago to Siem Reap Angkor Airport? Avoid the mad dash to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to Chicago O'Hare International Airport:

      • When it comes to the on-time performance of Chicago O'Hare International Airport, 70% of flights stick to their scheduled arrival time.

      • ORD's address is 10000 West O'Hare.

      Chicago Midway International Airport (MDW)

      • MDW is about 16 kilometres from central Chicago. It'll take you 25 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 30 minutes.

      • Taking off bright and early? You might like to check in to one of these accommodation options near Chicago Midway International Airport the day before your Chicago to SAI flight:

      • 76% of flights taking off from Chicago Midway International Airport meet their expected arrival time.

      • The address for MDW is 5700 South Cicero.

      Chicago Rockford International Airport (RFD)

      • The journey time to RFD from the centre of Chicago is around 2 hours by public transport. If you prefer to travel by car, it'll take you roughly 1 hour 40 minutes to cover the 145 kilometres or so.

      • Skip the rush on your departure day — stay near Chicago Rockford International Airport and know you'll make it to the terminal with time to spare. Get comfy at one of these hotels the day before if you've booked an early Chicago to Siem Reap Angkor Airport flight:

      • Flights that depart from RFD arrive at their destination within the scheduled time frame 71% of the time.

      • The address of Chicago Rockford International Airport is 2 Airport Cir.

      About Siem Reap Angkor Airport (SAI)

      • Consider checking in to Chansor Community Homestay 18 after your flight from Chicago to Siem Reap Angkor Airport. It's a quick drive from SAI and a comfortable option if you want to get some rest right away.

      Getting from Siem Reap Angkor Airport (SAI) to central Siem Reap

      • Central Siem Reap is about 40 kilometres from Siem Reap Angkor Airport. Journey times by taxi or car hire will vary based on traffic conditions, so do a little research before your trip.

      • Travelling by public transport takes roughly 25 minutes.

      How to find the cheapest flights from Chicago to Siem Reap Angkor Airport (SAI)

      • Currently, Rs143,388 is the lowest price we've found for a one-way ticket from Chicago to Siem Reap Angkor Airport. The cheapest price for a return flight is Rs307,917. Remember fares may change due to availability at the time of booking.

      • Booking early is often the key to scoring a cheap flight from Chicago to SAI. Fares tend to rise as seats fill up, so the closer you get to departure, the more you'll likely pay.

      • If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the lowest price in every month when searching for your Chicago to Siem Reap Angkor Airport ticket.

      • Be the first to know about deals for plane tickets from Chicago to SAI by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

      • Discover the best deal on a flight from Chicago to Siem Reap Angkor Airport with the help of the filters. Pick your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

      The best time to fly from Chicago to Siem Reap Angkor Airport (SAI)

      • It's time to work out when to book your flight from Chicago to Siem Reap Angkor Airport (SAI). February is the most popular month to visit Siem Reap. If you prefer a quieter vibe, head there in September.

      • Before locking in your Chicago to SAI plane ticket, consider the type of weather you enjoy. March is the warmest month in Siem Reap, with temperatures ranging from 22ºC to 38ºC.

      • January has temperatures of between 18ºC and 33ºC. Look for cheap tickets from Chicago to Siem Reap Angkor Airport around that time if you'd rather travel in cooler conditions.

      More about Siem Reap

      Explore more of Cambodia

      • Phnom Penh is just one of the many cities in Cambodia waiting to be discovered once you've taken in the sights of Siem Reap. Around 209 kilometres away to the south, check out popular attractions including Royal Palace, Genocide museum and Documentation Centre of Cambodia.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.