$675 Find Cheap Flights from St. Louis to Cambodia - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Price, demand and travel trends for St. Louis to Cambodia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from St. Louis to Cambodia right now?

The cheapest fare from St. Louis to Cambodia in the last week was $1,120 round-trip, to Phnom Penh Techo Intl (KTI).

Which airport in Cambodia is the cheapest to fly to from St. Louis?

All flights from St. Louis to Cambodia arrive at Phnom Penh Techo Intl (KTI). On average, round-trip fares are around $1,245.

What's the cheapest time of day to fly from St. Louis to Cambodia?

Data from the past 12 months shows it's cheapest to fly to Cambodia during the evening with average prices of $1,244. The afternoon is the most expensive time to fly, with average prices of $3,606.

Key details for St. Louis to Cambodia flights

Cheapest flight

$675
The most popular month to fly with an average 66% increase in travelers.
One-way flight from St. Louis to Phnom Penh

Your St. Louis to Cambodia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from St. Louis to Cambodia?

    Fares from St. Louis to Cambodia are around their usual level right now. A round-trip under $1,097 is considered a good deal, so it's worth keeping an eye out, or setting a Price Alert to catch price changes.

  • How much should I budget for a flight from St. Louis to Cambodia?

    Over the past 12 months, round-trip fares from St. Louis to Cambodia have ranged from $1,097 to $1,492.

  • Which cabin classes are available on flights from St. Louis to Cambodia?

    On flights from St. Louis to Cambodia you can only book Economy Class.

  • What are some popular landmarks in Cambodia?

    KAYAK travelers' favorite landmarks in Cambodia include:

    • Angkor Night Market
    • Psar Chaa
    • Siem Reap Royal Residence

Your guide to booking St. Louis to Cambodia flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your travel dates are flexible, book your trip for February when flights are typically cheapest and avoid December when prices are at their highest.
  • Flying on Sunday is usually the cheapest. Flights on Saturday cost about 54% more on average, so being flexible with your travel dates could help you save.
  • Start your trip in Phnom Penh, which is the most popular destination in Cambodia. From there, it's easy to continue on to other popular destinations such as Siem Reap, Koh Rong and Kampot.

More options for your flight from St. Louis to Cambodia

Complete your trip to Cambodia with a hotel stay or car rental