Boston

$563+ Cheap flights from Phnom Penh (PNH) to Boston (BOS)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — BOS
May 5 — May 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phnom Penh to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phnom Penh Pochentong to Boston Logan Intl are usually found in December or April, booked 78 days in advance, depart on a Friday or Monday and return on a Monday

Cheap flight deals from Phnom Penh to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Boston (BOS). 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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,216
(SmartFares)

One-way from

$563
(Kiwi.com)

Popular in

August

Cheapest in

December

Average price

$1,529
Provider with most accurate pricing for Phnom Penh Pochentong-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Boston Logan Intl flights.
From Phnom Penh Pochentong to Boston Logan Intl
One-way flight from Phnom Penh Pochentong to Boston Logan Intl
Highest demand for flights based on searches. 10% potential increase in price ($200 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Phnom Penh to Boston

Cheapest flights from Phnom Penh to Boston
Explore the most affordable flight options available from Phnom Penh to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:10 amPNH - BOS
2 stops38h 00mMultiple Airlines
Thu 9/1812:55 pmBOS - PNH
1 stop22h 15mMultiple Airlines
Deal found 4/28$1,211
This oojo deal was found by Cheapflights users on 4/28. 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.
Mon 9/85:40 pmPNH - BOS
3 stops38h 17mQatar Airways
Thu 9/1810:00 pmBOS - PNH
2 stops31h 15mQatar Airways
Deal found 4/28$1,290
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:30 pmPNH - BOS
1 stop21h 40mKorean Air
Wed 11/511:00 amBOS - PNH
1 stop23h 25mKorean Air
Deal found 4/29$1,397
This oojo deal was found by Cheapflights users on 4/29. 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 5/1312:35 pmPNH - BOS
2 stops38h 40mEVA Air
Tue 7/158:19 pmBOS - PNH
2 stops51h 56mEVA Air
Deal found 4/29$1,452
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:25 amPNH - BOS
1 stop22h 35mCathay Pacific
Sun 7/131:40 amBOS - PNH
1 stop21h 35mCathay Pacific
Deal found 4/29$1,458
This oojo deal was found by Cheapflights users on 4/29. 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.
Sat 12/137:25 pmPNH - BOS
2 stops31h 15mEtihad Airways
Sun 1/44:10 pmBOS - PNH
1 stop26h 20mEtihad Airways
Deal found 4/29$1,658
This Emirates deal was found by Cheapflights users on 4/29. 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.
Sat 5/107:25 pmPNH - BOS
2 stops53h 45mEmirates
Fri 7/1811:05 pmBOS - PNH
2 stops32h 30mEmirates
Deal found 4/29$1,797
This Ovago deal was found by Cheapflights users on 4/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:20 amPNH - BOS
2 stops34h 36mAir China
Wed 11/56:00 amBOS - PNH
2 stops29h 10mAir China
Deal found 4/29$1,891
This Ovago deal was found by Cheapflights users on 4/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2512:10 amPNH - BOS
2 stops34h 38mChina Eastern
Wed 6/116:20 amBOS - PNH
2 stops29h 55mChina Eastern
Deal found 4/29$1,941
This Asiana Airlines deal was found by Cheapflights users on 4/29. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1011:55 pmPNH - BOS
2 stops42h 31mAsiana Airlines
Tue 7/157:30 amBOS - PNH
2 stops28h 25mAsiana Airlines
Deal found 4/29$2,024

Cheapflights Fare Finder

Customize your flight search to find flights from Phnom Penh to Boston 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 April 30, 2025.
Use the filters below to find and compare flights from Phnom Penh to Boston that are best for you.

Fly from

Phnom Penh

Fly to

Boston

Route

Depart

Return

Price

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 9/8

11:10 am-2:10 pm

2 stops38h 00m

Boston Logan Intl

Thu 9/18

12:55 pm-10:10 pm

1 stop22h 15m

$1,211

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 9/8

5:40 pm-8:57 pm

3 stops38h 17m

Boston Logan Intl

Thu 9/18

10:00 pm-4:15 pm

2 stops31h 15m

$1,290

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Wed 10/15

11:30 pm-10:10 am

1 stop21h 40m

Boston Logan Intl

Wed 11/5

11:00 am-10:25 pm

1 stop23h 25m

$1,397

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Tue 5/13

12:35 pm-4:15 pm

2 stops38h 40m

Boston Logan Intl

Tue 7/15

8:19 pm-11:15 am

2 stops51h 56m

$1,452

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Wed 5/14

11:25 am-11:00 pm

1 stop22h 35m

Boston Logan Intl

Mon 7/14

1:40 am-5:20 pm

1 stop28h 40m

$1,458

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Sat 5/10

7:25 pm-2:10 pm

2 stops53h 45m

Boston Logan Intl

Fri 7/18

11:05 pm-6:35 pm

2 stops32h 30m

$1,797

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Tue 10/14

12:20 am-11:56 pm

2 stops34h 36m

Boston Logan Intl

Wed 11/5

6:00 am-11:10 pm

2 stops29h 10m

$1,891

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Sun 5/25

12:10 am-11:48 pm

2 stops34h 38m

Boston Logan Intl

Wed 6/11

6:20 am-11:15 pm

2 stops29h 55m

$1,941

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Wed 5/14

7:25 pm-2:55 pm

2 stops30h 30m

Boston Logan Intl

Sat 7/12

4:30 pm-8:35 am

2 stops29h 05m

$1,952

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Sat 5/10

11:55 pm-7:26 am

2 stops42h 31m

Boston Logan Intl

Tue 7/15

7:30 am-10:55 pm

2 stops28h 25m

$2,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Phnom Penh to Boston

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 Phnom Penh to Boston in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 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 Phnom Penh-Boston flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Phnom Penh-Boston flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Phnom Penh-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Boston 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 Phnom Penh-Boston 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 Phnom Penh to Boston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Boston. Price data was last updated on April 25, 2025.

The price you pay for your flight from Phnom Penh to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 78 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 Phnom Penh to Boston?

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of $218). Flying from Phnom Penh to Boston in July is currently the most expensive (average of $311). 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 Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated April 30, 2025.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

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

    Flying on Qatar Airways is currently your cheapest option to Boston, with prices starting at $1,301. Additional round-trip tickets that might be worth considering are offered by EVA Air and Korean Air, with the lowest prices starting at $1,452 and $1,454, respectively. Qatar Airways is currently priced 21% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $918. Users have also found prices from $953 and $1,011 on Korean Air and Air China, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of $218). Flying from Phnom Penh to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Phnom Penh?

Book flights to Phnom Penh if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Phnom Penh to Boston

Discover the top 2 airlines that operate flights from Phnom Penh to Boston. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$999Average$1,534FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,382Average$1,584FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.