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Phnom Penh

$496+ Cheap flights from O'ahu to Phnom Penh (PNH)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — PNH
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheap flight deals from O'ahu to Phnom Penh

Keep the following information in mind while searching for O'ahu to Phnom Penh flight deals. Data was last updated August 26, 2025.

Round-trip from

$1,052
(Trip.com)

One-way from

$496
(Kiwi.com)

Popular in

July

Cheapest in

September
From O'ahu to Phnom Penh Pochentong
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One-way flight from O'ahu to Phnom Penh Pochentong
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Highest demand for flights based on searches. 35% potential increase in price ($542 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
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Find flight deals from O'ahu to Phnom Penh

Cheapest flights from O'ahu to Phnom Penh
Explore the most affordable flight options available from O'ahu to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:10 pmHNL - PNH
2 stops38h 20mMultiple Airlines
Sun 11/308:00 amPNH - HNL
2 stops18h 55mMultiple Airlines
Deal found 8/26$1,052
This oojo deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:10 pmHNL - PNH
2 stops39h 20mMultiple Airlines
Mon 1/53:50 pmPNH - HNL
2 stops34h 25mMultiple Airlines
Deal found 8/24$2,245
This oojo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:10 pmHNL - PNH
2 stops50h 40mMultiple Airlines
Sat 12/2711:55 amPNH - HNL
2 stops38h 20mMultiple Airlines
Deal found 8/23$2,320
This Justfly.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:50 pmHNL - PNH
3 stops45h 55mSingapore Airlines
Sun 11/307:40 pmPNH - HNL
3 stops42h 23mSingapore Airlines
Deal found 8/26$2,424
This Justfly.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:29 pmHNL - PNH
2 stops48h 06mSingapore Airlines
Mon 1/57:40 pmPNH - HNL
2 stops36h 19mSingapore Airlines
Deal found 8/25$2,971
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:50 pmHNL - PNH
3 stops45h 55mSingapore Airlines
Sat 12/277:40 pmPNH - HNL
3 stops42h 28mSingapore Airlines
Deal found 8/23$3,034

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'ahu 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 2,558,603 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from O'ahu to Phnom Penh that are best for you.

Fly from

O'ahu

Fly to

Phnom Penh

Route

Depart

Return

Price

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Mon 11/10

4:10 pm-11:30 pm

2 stops38h 20m

Phnom Penh Pochentong

Sun 11/30

8:00 am-9:55 am

2 stops18h 55m

$1,052

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Wed 2/11

10:10 pm-8:35 am

2 stops41h 25m

Phnom Penh Pochentong

Thu 2/19

7:40 pm-9:10 pm

3 stops42h 30m

$1,228

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Wed 1/7

3:00 pm-8:35 am

2 stops48h 35m

Phnom Penh Pochentong

Thu 1/15

7:40 pm-11:05 am

2 stops56h 25m

$1,438

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Tue 10/21

12:55 pm-11:25 am

2 stops29h 30m

$496

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Thu 10/9

12:55 pm-2:20 pm

2 stops32h 25m

$502

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Sat 9/13

12:55 pm-11:25 am

2 stops29h 30m

$503

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Mon 12/22

12:40 pm-10:50 am

2 stops53h 10m

$546

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Tue 12/23

12:40 pm-11:30 am

3 stops53h 50m

$553

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Wed 12/24

1:35 pm-10:50 am

3 stops52h 15m

$617

HonoluluPhnom Penh

HNL - PNH

HNLPNH

Honolulu

Sat 12/27

12:40 pm-11:30 pm

2 stops41h 50m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Best time to book a flight from O'ahu to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from O'ahu with our price prediction graph.
Estimated round-trip 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 O'ahu to Phnom Penh
No data available for this route at this time. Please check back soon.

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 August 26, 2025.
See what other customers who have flown with Korean Air and Asiana Airlines from O'ahu to Phnom Penh have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,133 reviews

Comfort

8.2

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,133 reviews
Korean Air
8.4
Very good
1,133 reviews

Comfort

8.2

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
477 reviews
Korean Air
8.4
Very good
1,133 reviews

Comfort

8.2

Entertainment

8.2

Overall

8.4

Crew

8.7

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from O'ahu 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 airport do you fly into for flights to Phnom Penh from O'ahu?

    Most people fly into Phnom Penh Pochentong (PNH) if they book a flight to Phnom Penh from O'ahu. Pochentong is conveniently located just 5.0 mi from Phnom Penh’s city center.

  • How long is the flight from O'ahu to Phnom Penh?

    There are many flights that can get you from O'ahu to Phnom Penh in 41h 25m. Fly via Singapore Airlines to get the fastest option. The distance from O'ahu to Phnom Penh is about 6381 mi.

  • Can I find deals for flights from O'ahu to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on O'ahu to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'ahu to Phnom Penh?

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

  • Can I find deals for business class flights from O'ahu to Phnom Penh?

    Yes. Cheapflights offers flight deals from O'ahu 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 O'ahu to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from O'ahu to Phnom Penh (average of $985). Flying from O'ahu to Phnom Penh in June is currently the most expensive (average of $1,544). 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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Alternative routes for O'ahu to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Phnom Penh flights
Lihue to Phnom Penh flights
Kailua-Kona to Phnom Penh flights

Top 2 airlines flying from O'ahu to Phnom Penh

Discover the top 2 airlines that operate flights from O'ahu to Phnom Penh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$779Average$840FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$789Average$1,156FlexibilityNo cancel feeOn-time81%

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