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Cheap flights from Los Angeles to Phnom Penh from £303

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PNH
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Los Angeles to Phnom Penh Pochentong are usually found in March or February, booked 63 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 13 June 2025.

Round-trip from

£674

One-way from

£303

Popular in

June

Cheapest in

March

Average price

£1,072
Korean Air
  • Korean Air
  • 3/10-30/10
  • 4 total stops
  • 66h 47m total
  • Los Angeles to Phnom Penh
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Korean Air
  • Korean Air
  • 3/11
  • 2 total stops
  • 44h 05m total
  • Los Angeles to Phnom Penh
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£125 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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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 13 June 2025.

Fri 3/1020:25LAX - PNH
2 stops35h 45mKorean Air
Thu 30/1023:45PNH - LAX
2 stops31h 02mKorean Air
Deal found 12/6£674
Sat 4/1000:05LAX - PNH
1 stop26h 00mChina Airlines
Sun 2/1111:35PNH - LAX
1 stop15h 55mChina Airlines
Deal found 12/6£698
Thu 9/1000:30LAX - PNH
1 stop26h 50mCathay Pacific
Sun 2/1119:05PNH - LAX
1 stop29h 00mCathay Pacific
Deal found 12/6£743
Wed 16/723:00LAX - PNH
1 stop33h 55mAsiana Airlines
Tue 5/823:55PNH - LAX
1 stop30h 35mAsiana Airlines
Deal found 12/6£749
Sun 31/800:55LAX - PNH
2 stops23h 30mMultiple Airlines
Thu 9/1017:10PNH - LAX
1 stop17h 35mMultiple Airlines
Deal found 11/6£774
Sat 30/801:25LAX - PNH
1 stop19h 50mEVA Air
Tue 16/912:35PNH - LAX
1 stop18h 05mEVA Air
Deal found 10/6£783
Wed 26/1113:05LAX - PNH
2 stops34h 20mTurkish Airlines
Thu 11/1218:30PNH - LAX
2 stops37h 20mTurkish Airlines
Deal found 10/6£820
Wed 26/1106:00LAX - PNH
2 stops25h 55mUnited Airlines
Mon 8/1223:55PNH - LAX
2 stops39h 29mUnited Airlines
Deal found 10/6£872
Sat 30/800:55LAX - PNH
2 stops22h 00mVietnam Airlines
Mon 15/920:45PNH - LAX
2 stops38h 00mVietnam Airlines
Deal found 10/6£948

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 13 June 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

Fri 3/10

20:25-22:10

2 stops35h 45m

Phnom Penh Pochentong

Thu 30/10

23:45-16:47

2 stops31h 02m

£674

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sat 4/10

00:05-16:05

1 stop26h 00m

Phnom Penh Pochentong

Fri 7/11

11:35-19:35

1 stop23h 00m

£698

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Thu 9/10

00:30-17:20

1 stop26h 50m

Phnom Penh Pochentong

Sun 2/11

19:05-09:05

1 stop29h 00m

£743

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 16/7

23:00-22:55

1 stop33h 55m

Phnom Penh Pochentong

Tue 5/8

23:55-16:30

1 stop30h 35m

£749

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sun 31/8

00:55-14:25

2 stops23h 30m

Phnom Penh Pochentong

Thu 9/10

17:10-20:45

1 stop17h 35m

£774

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sat 30/8

01:25-11:15

1 stop19h 50m

Phnom Penh Pochentong

Tue 16/9

12:35-16:40

1 stop18h 05m

£783

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 26/11

13:05-14:25

2 stops34h 20m

Phnom Penh Pochentong

Thu 11/12

18:30-16:50

2 stops37h 20m

£820

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Wed 26/11

06:00-22:55

2 stops25h 55m

Phnom Penh Pochentong

Mon 8/12

23:55-00:24

2 stops39h 29m

£872

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Sat 30/8

00:55-09:15

2 stops42h 20m

Phnom Penh Pochentong

Thu 18/9

20:45-20:45

2 stops38h 00m

£948

Los AngelesPhnom Penh

LAX - PNH

LAXPNH

Los Angeles

Mon 3/11

11:20-22:25

2 stops44h 05m

£303

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 18 results
1
2

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 9 June 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 63 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 £1,203). 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.

Rainfall in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

Temperature in Phnom Penh by month

Plan your trip to Phnom Penh by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

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 13 June 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Los Angeles to Phnom Penh. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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
EVA Air
8.4
Very Good
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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
Korean Air
8.4
Very Good
1,091 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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
China Airlines
8.3
Very Good
738 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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
Singapore Airlines
8.1
Very Good
1,304 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Boarding

8.4

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

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 £674 on this airline. Additional options worth looking into are China Airlines and Cathay Pacific, starting at £698 and £743 round-trip. These flights start at 13% 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 Korean Air (£303), Asiana Airlines (£352), and Cathay Pacific (£408).

  • 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 £1,203). 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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Complete your trip

Complete your trip to Phnom Penh by adding a car hire and/or hotel booking to your travel itinerary.
Phnom Penh car hire
Phnom Penh Pochentong Airport car hire

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