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Cheap flights from Phnom Penh (PNH) to Boston (BOS)

PNH — BOS
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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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 November 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Popular in

January

Cheapest in

June

Average price

$1,646
Provider with most accurate pricing for Phnom Penh Pochentong-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Boston Logan Intl flights.
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Highest demand for flights based on searches. 13% potential increase in price ($230 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Phnom Penh-Boston flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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

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

Currently, August is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of $971). Flying from Phnom Penh to Boston in January is currently the most expensive (average of $1,797). 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.

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 November 26, 2025.
Get a feel of what it's like to fly with Korean Air and Cathay Pacific from Phnom Penh to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,172 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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
1,172 reviews
Korean Air
8.4
Very good
1,172 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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!!
Cathay Pacific
7.6
Good
1,072 reviews
Korean Air
8.4
Very good
1,172 reviews

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

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 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 Cathay Pacific is currently your cheapest option to Boston, with prices starting at $995. Another option worth looking into is Korean Air, starting at $1,152 round trip. Cathay Pacific is currently priced 35% below the average price you’ll pay for this route.

  • 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, August is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of $971). Flying from Phnom Penh to Boston in January is currently the most expensive (average of $1,797). 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 Boston?

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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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$995Average$1,337FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$1,152Average$1,652FlexibilityNo cancel feeOn-time81%

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