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Cheap flights from Los Angeles to Phnom Penh from £428

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
21 Jul — 28 Jul1
1 adult

Cheapflights Tip: The best prices from Los Angeles to Phnom Penh Pochentong are usually found in March or February, booked 75 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Los Angeles to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 July 2025.

Round-trip from

£601

One-way from

£428

Popular in

June

Cheapest in

March

Average price

£904
Korean Air
  • Korean Air
  • 5/11-26/11
  • 3 total stops
  • 62h 33m total
  • Los Angeles to Phnom Penh
Korean Air
  • Korean Air
  • 2/12
  • 1 total stop
  • 20h 35m total
  • Los Angeles to Phnom Penh
Highest demand for flights based on searches. 15% potential increase in price (£109 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Los Angeles to Phnom Penh

Cheapest flights from Los Angeles to Phnom Penh
Explore the most affordable flight options available from Los Angeles to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2025.

Wed 5/1122:40LAX - PNH
1 stop32h 45mKorean Air
Wed 26/1123:45PNH - LAX
2 stops29h 48mKorean Air
Deal found 15/7£601
Sun 2/1122:15LAX - PNH
1 stop21h 10mCathay Pacific
Wed 25/311:45PNH - LAX
1 stop24h 10mCathay Pacific
Deal found 14/7£613
Sun 2/1109:10LAX - PNH
1 stop22h 45mAsiana Airlines
Sat 28/323:55PNH - LAX
1 stop30h 05mAsiana Airlines
Deal found 13/7£641

Cheapflights Fare Finder

Customise your flight search to find flights from Los Angeles to Phnom Penh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 July 2025.
Use the filters below to find and compare flights from Los Angeles to Phnom Penh that are best for you.

Fly from

Los Angeles

Fly to

Phnom Penh

Route

Depart

Return

Price

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 5/11

22:40-22:25

1 stop32h 45m

Phnom Penh Pochentong

Wed 26/11

23:45-14:33

2 stops29h 48m

£601

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 2/11

22:15-10:25

1 stop21h 10m

Phnom Penh Pochentong

Wed 25/3

11:45-21:55

1 stop24h 10m

£613

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 2/11

09:10-22:55

1 stop22h 45m

Phnom Penh Pochentong

Sat 28/3

23:55-16:00

1 stop30h 05m

£641

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 2/12

09:10-22:55

1 stop22h 45m

£428

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Tue 2/12

08:30-22:25

2 stops22h 55m

£431

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Fri 28/11

00:10-06:30

2 stops39h 20m

£1,262

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 27/7

00:50-11:15

1 stop20h 25m

£2,723

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 27/7

00:25-17:25

2 stops27h 00m

£3,566

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Best time to book a flight from Los Angeles to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Los Angeles with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Los Angeles to Phnom Penh

How far ahead should I book a flight from Los Angeles to Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Los Angeles to Phnom Penh. Price data was last updated on 11 July 2025.

To ensure you get the cheapest price possible for a flight from Los Angeles to Phnom Penh, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Los Angeles to Phnom Penh?

Currently, September is the cheapest month in which you can book a flight from Los Angeles to Phnom Penh (average of £689). Flying from Los Angeles to Phnom Penh in July is currently the most expensive (average of £1,232). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Los Angeles to Phnom Penh?

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phnom Penh. Reviews last updated 16 July 2025.
Read reviews from past customers who have flown with EVA Air, Korean Air, andAsiana Airlines from Los Angeles to Phnom Penh. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Crew

8.6

Food

8.1

Entertainment

8.0

Comfort

8.3

Boarding

8.4

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Los Angeles to Phnom Penh round-trip?

    Our cheapest airline available from Los Angeles to Phnom Penh is Korean Air. Our recent data shows that you can find tickets from as low as £601 on this airline. Additional options worth looking into are Cathay Pacific and Asiana Airlines, starting at £613 and £641 round-trip. These flights start at 22% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Los Angeles to Phnom Penh one-way?

    The cheapet airlines for a one-way flight from Los Angeles to Phnom Penh are Asiana Airlines (£428), Korean Air (£431), and EVA Air (£2,723).

  • Can I find deals for flights from Los Angeles to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Phnom Penh.

  • Can I find deals for business class flights from Los Angeles to Phnom Penh?

    Yes. Cheapflights offers flight deals from Los Angeles to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Los Angeles to Phnom Penh?

    Currently, September is the cheapest month in which you can book a flight from Los Angeles to Phnom Penh (average of £689). Flying from Los Angeles to Phnom Penh in July is currently the most expensive (average of £1,232). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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