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Phnom Penh

$949+ Cheap flights from Boston (BOS) to Phnom Penh (PNH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PNH
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Phnom Penh Pochentong are usually found in March or April, booked 29 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Boston to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$955
(oojo)

Popular in

June

Cheapest in

March

Average price

$1,072
Provider with most accurate pricing for Boston Logan Intl-Phnom Penh Pochentong flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Phnom Penh Pochentong flights.
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From Boston Logan Intl to Phnom Penh Pochentong
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($319 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boston to Phnom Penh

Cheapest flights from Boston to Phnom Penh
Explore the most affordable flight options available from Boston to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This oojo deal was found by Cheapflights users on 4/17. 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.
lun. 11/312:30 amBOS - PNH
1 stop21h 55mCathay Pacific
mar. 11/1111:45 amPNH - BOS
1 stop22h 15mCathay Pacific
Deal found 4/17$949
This United deal was found by Cheapflights users on 4/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/48:00 amBOS - PNH
2 stops42h 10mMultiple Airlines
dom. 2/87:45 pmPNH - BOS
2 stops35h 43mMultiple Airlines
Deal found 4/17$958
This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2911:00 amBOS - PNH
1 stop23h 25mKorean Air
mié. 2/411:45 pmPNH - BOS
1 stop20h 55mKorean Air
Deal found 4/17$1,029
This oojo deal was found by Cheapflights users on 4/17. 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.
lun. 5/1210:00 pmBOS - PNH
2 stops31h 15mQatar Airways
dom. 6/15:40 pmPNH - BOS
2 stops32h 25mQatar Airways
Deal found 4/17$1,104
This oojo deal was found by Cheapflights users on 4/17. 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.
dom. 5/184:30 pmBOS - PNH
2 stops29h 05mEtihad Airways
dom. 6/17:25 pmPNH - BOS
2 stops30h 30mEtihad Airways
Deal found 4/17$1,321
This FlightHub deal was found by Cheapflights users on 4/17. 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.
mar. 11/410:30 amBOS - PNH
3 stops39h 20mSingapore Airlines
mar. 11/112:50 pmPNH - BOS
3 stops38h 35mSingapore Airlines
Deal found 4/17$1,366
This Emirates deal was found by Cheapflights users on 4/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/2410:20 amBOS - PNH
3 stops67h 15mEmirates
lun. 6/28:50 pmPNH - BOS
2 stops52h 20mEmirates
Deal found 4/17$1,444

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 abril 17, 2025.
Use the filters below to find and compare flights from Boston to Phnom Penh that are best for you.

Fly from

Boston

Fly to

Phnom Penh

Route

Depart

Return

Price

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

sáb. 5/3

1:40 am-10:15 am

1 stop21h 35m

Phnom Penh Pochentong

dom. 6/8

6:30 pm-11:00 pm

1 stop39h 30m

$955

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

dom. 5/4

8:00 am-1:10 pm

2 stops42h 10m

Phnom Penh Pochentong

dom. 2/8

7:45 pm-7:28 pm

2 stops35h 43m

$958

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

sáb. 5/3

12:55 pm-10:10 pm

1 stop22h 15m

Phnom Penh Pochentong

jue. 6/26

11:30 pm-10:20 am

1 stop21h 50m

$1,062

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

lun. 5/12

10:00 pm-4:15 pm

2 stops31h 15m

Phnom Penh Pochentong

dom. 6/1

5:40 pm-3:05 pm

2 stops32h 25m

$1,104

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

dom. 5/18

4:30 pm-8:35 am

2 stops29h 05m

Phnom Penh Pochentong

dom. 6/1

7:25 pm-2:55 pm

2 stops30h 30m

$1,321

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

sáb. 5/24

10:20 am-4:35 pm

3 stops67h 15m

Phnom Penh Pochentong

lun. 6/2

8:50 pm-2:10 pm

2 stops52h 20m

$1,444

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

mar. 4/29

5:18 pm-5:40 pm

3 stops37h 22m

Phnom Penh Pochentong

mar. 6/3

2:05 pm-6:38 pm

3 stops39h 33m

$1,722

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

dom. 5/4

7:00 am-12:15 am

2 stops54h 15m

Phnom Penh Pochentong

sáb. 6/7

1:15 am-6:44 am

2 stops40h 29m

$2,033

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

mié. 7/16

1:40 am-5:20 pm

1 stop28h 40m

$4,281

BostonPhnom Penh

BOS - PNH

BOSPNH

Boston Logan Intl

mié. 7/16

1:40 am-9:40 pm

2 stops33h 00m

$5,695

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Boston to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Phnom Penh in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Phnom Penh flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Phnom Penh flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Phnom Penh flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Boston 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 Boston to Phnom Penh

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Phnom Penh. Price data was last updated on April 11, 2025.

The price you pay for your flight from Boston to Phnom Penh may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Boston to Phnom Penh (average of $994). Flying from Boston to Phnom Penh in June is currently the most expensive (average of $1,582). 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.

What is the cheapest time of day to fly from BOS to PNH?

Find hourly flight availability from Boston to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

When flying from Boston to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the afternoon.

What is the cheapest day to fly from Boston to Phnom Penh?

Use this chart to determine the cheapest time to fly round-trip from Boston to Phnom Penh. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Phnom Penh flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

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 abril 17, 2025.
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,064 reviews
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,288 reviews
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,200 reviews
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.5
Good
849 reviews
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,554 reviews
Korean Air
8.4
Very good
1,064 reviews

Food

8.1

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Boston 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 Boston to Phnom Penh round-trip?

    Flying on Cathay Pacific is currently your cheapest option to Phnom Penh, with prices starting at $955. Additional round-trip tickets that might be worth considering are offered by Korean Air and Qatar Airways, with the lowest prices starting at $1,062 and $1,104, respectively. Cathay Pacific is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • Where are the most common layover locations when flying from Boston to Phnom Penh?

    Boston to Phnom Penh flights have a layover in Seoul most of the time.

  • What are some popular things to do or see while on a layover in Seoul?

    If you're on a layover in Seoul and looking for things to do, consider visiting Myeongdong Cathedral, Dongdaemun Market, or Bukchon Hanok Village. Myeongdong Cathedral, Dongdaemun Market, and Bukchon Hanok Village can be visited by traveling about 30.4 mi, 31.6 mi, and 30.6 mi respectively from Incheon Intl. Those looking to explore during their layover in Seoul can rent a car from Incheon Intl for about $52 per day.

  • Where are the least popular layover locations for Boston to Phnom Penh flights?

    Boston to Phnom Penh flights have a layover in Hong Kong least often.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Boston to Phnom Penh (average of $994). Flying from Boston to Phnom Penh in June is currently the most expensive (average of $1,582). 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 rental and/or hotel reservation to your travel itinerary.
Phnom Penh car rentals
Phnom Penh Pochentong Airport car rentals

Top 4 airlines flying from Boston to Phnom Penh

Discover the top 4 airlines that operate flights from Boston 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$848Average$1,176FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$890Average$1,219FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,046Average$1,455FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,202Average$1,462FlexibilityNo cancel feeOn-time75%

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