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 $1,386. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and Korean Air, with the lowest prices starting at $1,414 and $1,431, respectively. Qatar Airways is currently priced 14% 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 Etihad Airways. According to our data, you can fly for as low as $800. Users have also found prices from $1,033 and $1,052 on Singapore Airlines and Korean Air, respectively.

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

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

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.

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).

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 10% when planning your travel around this day of the week.

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

Find a great deal and save up to 3% by booking at least 13 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Phnom Penh to Boston within the next two weeks, with the cheapest ticket starting at $1,276.

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

June can be a great time to fly to Boston from Phnom Penh with a flight ticket averaging about $1,618. Cheapflights users have found deals in the month of June for as cheap as $995. The most expensive prices can be found in the month of August.

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

When flying from Phnom Penh to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the afternoon.

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.

$655+ Flights from Phnom Penh to Boston

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Cheapflights Tip: The best prices from Phnom Penh Pochentong to Boston Logan Intl are usually found in June 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

Round-trip from	$1,232 (Mytrip)
One-way from	$655 (Kiwi.com)
Popular in	August
Cheapest in	June
Average price	$1,733

From Phnom Penh Pochentong to Boston Logan Intl

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One-way flight from Phnom Penh Pochentong to Boston Logan Intl

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Highest demand for flights based on searches. 11% potential increase in price ($207 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 1, 2025.

Fri 8/86:45 pmPNH - BOS

3 stops35h 55mMultiple Airlines

Fri 8/2212:55 pmBOS - PNH

1 stop23h 00mMultiple Airlines

Deal found 6/29

$1,232

Fri 11/75:10 pmPNH - BOS

2 stops32h 45mQatar Airways

Tue 11/117:29 pmBOS - PNH

3 stops55h 56mQatar Airways

Deal found 6/28

$1,386

Fri 11/77:55 amPNH - BOS

1 stop42h 45mEtihad Airways

Tue 11/114:10 pmBOS - PNH

1 stop38h 20mEtihad Airways

Deal found 6/29

$1,414

Thu 8/711:30 pmPNH - BOS

1 stop21h 50mKorean Air

Fri 8/2212:55 pmBOS - PNH

1 stop22h 15mKorean Air

Deal found 6/29

$1,431

Wed 7/2311:25 amPNH - BOS

1 stop22h 35mCathay Pacific

Tue 8/261:40 amBOS - PNH

1 stop28h 40mCathay Pacific

Deal found 6/30

$1,462

Fri 11/711:45 pmPNH - BOS

2 stops30h 03mDelta

Tue 11/117:05 amBOS - PNH

2 stops27h 20mDelta

Deal found 6/30

$1,481

Fri 11/78:35 pmPNH - BOS

2 stops29h 20mEmirates

Tue 11/1110:10 pmBOS - PNH

2 stops30h 25mEmirates

Deal found 6/29

$1,509

Mon 6/3012:35 pmPNH - BOS

2 stops30h 25mEVA Air

Mon 7/77:20 amBOS - PNH

2 stops40h 55mEVA Air

Deal found 6/29

$1,621

Best flights from Phnom Penh to Boston
Discover carefully curated flight deals from Phnom Penh to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Fri 8/86:45 pmPNH - BOS

3 stops35h 55mMultiple Airlines

Fri 8/2212:55 pmBOS - PNH

1 stop23h 00mMultiple Airlines

Deal found 6/29

$1,232

Fri 11/75:10 pmPNH - BOS

2 stops32h 45mQatar Airways

Tue 11/117:29 pmBOS - PNH

3 stops55h 56mQatar Airways

Deal found 6/28

$1,386

Fri 11/77:55 amPNH - BOS

1 stop42h 45mEtihad Airways

Tue 11/114:10 pmBOS - PNH

1 stop38h 20mEtihad Airways

Deal found 6/29

$1,414

Thu 8/711:30 pmPNH - BOS

1 stop21h 50mKorean Air

Fri 8/2212:55 pmBOS - PNH

1 stop22h 15mKorean Air

Deal found 6/29

$1,431

Wed 7/2311:25 amPNH - BOS

1 stop22h 35mCathay Pacific

Tue 8/261:40 amBOS - PNH

1 stop28h 40mCathay Pacific

Deal found 6/30

$1,462

Fri 11/711:45 pmPNH - BOS

2 stops30h 03mDelta

Tue 11/117:05 amBOS - PNH

2 stops27h 20mDelta

Deal found 6/30

$1,481

Fri 11/78:35 pmPNH - BOS

2 stops29h 20mEmirates

Tue 11/1110:10 pmBOS - PNH

2 stops30h 25mEmirates

Deal found 6/29

$1,509

Last-minute flights from Phnom Penh to Boston
Discover last-minute flight deals from Phnom Penh to Boston. Data last updated July 1, 2025 and is based on user searches.

Mon 6/3012:35 pmPNH - BOS

2 stops30h 25mEVA Air

Mon 7/77:20 amBOS - PNH

2 stops40h 55mEVA Air

Deal found 6/29

$1,621

Thu 7/1012:10 amPNH - BOS

2 stops34h 47mChina Eastern

Wed 10/296:30 amBOS - PNH

2 stops29h 45mChina Eastern

Deal found 6/30

$2,079

Fri 7/1111:10 amPNH - BOS

2 stops38h 00mMultiple Airlines

Wed 10/2911:05 pmBOS - PNH

2 stops31h 25mMultiple Airlines

Deal found 6/30

$1,354

Fri 7/1111:30 pmPNH - BOS

1 stop21h 50mKorean Air

Wed 10/2912:00 pmBOS - PNH

1 stop23h 25mKorean Air

Deal found 6/30

$1,838

Fri 7/1111:25 amPNH - BOS

1 stop22h 35mCathay Pacific

Tue 10/281:30 amBOS - PNH

1 stop21h 55mCathay Pacific

Deal found 6/30

$1,997

Tue 7/2212:10 amPNH - BOS

2 stops34h 47mChina Eastern

Wed 8/276:50 amBOS - PNH

2 stops29h 25mChina Eastern

Deal found 7/1

$1,933

Wed 7/236:20 pmPNH - BOS

2 stops30h 50mMultiple Airlines

Wed 8/2711:05 pmBOS - PNH

2 stops31h 20mMultiple Airlines

Deal found 6/29

$1,319

Wed 7/2311:25 amPNH - BOS

1 stop22h 35mCathay Pacific

Tue 8/261:40 amBOS - PNH

1 stop28h 40mCathay Pacific

Deal found 6/30

$1,462

Wed 7/2311:30 pmPNH - BOS

1 stop21h 50mKorean Air

Wed 8/2712:55 pmBOS - PNH

1 stop22h 15mKorean Air

Deal found 6/30

$1,638

Wed 7/235:40 pmPNH - BOS

3 stops34h 43mQatar Airways

Wed 8/2710:00 pmBOS - PNH

2 stops31h 15mQatar Airways

Deal found 6/30

$1,673

One-way flights from Phnom Penh to Boston
Search for one-way flight options from Phnom Penh to Boston. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Mon 7/215:05 pmPNH - BOS

3 stops37h 35mMultiple Airlines

Deal found 6/29

$655

Mon 12/17:55 amPNH - BOS

1 stop42h 45mEtihad Airways

Deal found 6/29

$800

Sun 9/212:05 pmPNH - BOS

3 stops37h 04mSingapore Airlines

Deal found 6/30

$1,033

Thu 7/1711:30 pmPNH - BOS

1 stop21h 50mKorean Air

Deal found 6/30

$1,052

Mon 7/2111:25 amPNH - BOS

1 stop22h 35mCathay Pacific

Deal found 6/29

$1,064

Sat 9/2012:20 amPNH - BOS

2 stops41h 58mAir China

Deal found 6/30

$1,103

Sat 9/2012:10 amPNH - BOS

2 stops34h 51mChina Eastern

Deal found 6/29

$1,220

Thu 7/175:40 pmPNH - BOS

3 stops30h 16mQatar Airways

Deal found 6/30

$1,385

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 8/8

6:45 pm-7:40 pm

3 stops35h 55m

Boston Logan Intl

Fri 8/22

12:55 pm-10:55 pm

1 stop23h 00m

$1,232

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

5:10 pm-1:55 pm

2 stops32h 45m

Boston Logan Intl

Tue 11/11

7:29 pm-3:25 pm

3 stops55h 56m

$1,386

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

7:55 am-2:40 pm

1 stop42h 45m

Boston Logan Intl

Tue 11/11

4:10 pm-6:30 pm

1 stop38h 20m

$1,414

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Thu 8/7

11:30 pm-10:20 am

1 stop21h 50m

Boston Logan Intl

Fri 8/22

12:55 pm-10:10 pm

1 stop22h 15m

$1,431

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Wed 7/23

11:25 am-11:00 pm

1 stop22h 35m

Boston Logan Intl

Tue 8/26

1:40 am-5:20 pm

1 stop28h 40m

$1,462

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

11:45 pm-5:48 pm

2 stops30h 03m

Boston Logan Intl

Tue 11/11

7:05 am-10:25 pm

2 stops27h 20m

$1,481

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

8:35 pm-1:55 pm

2 stops29h 20m

Boston Logan Intl

Tue 11/11

10:10 pm-4:35 pm

2 stops30h 25m

$1,509

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 7/21

5:05 pm-7:40 pm

3 stops37h 35m

$655

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 12/1

7:55 am-2:40 pm

1 stop42h 45m

$800

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Sun 9/21

2:05 pm-4:09 pm

3 stops37h 04m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 15 results

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?

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 June is currently the most expensive (average of $306). 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 a feel of what it's like to fly with Korean Air, Emirates, and Singapore Airlines 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

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,101 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Emirates

8.1

Very good

3,285 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Singapore Airlines

8.1

Very good

1,320 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Delta

8.0

Very good

7,973 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Cathay Pacific

7.6

Good

922 reviews

Korean Air

8.4

Very good

1,101 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

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 $1,386. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and Korean Air, with the lowest prices starting at $1,414 and $1,431, respectively. Qatar Airways is currently priced 14% 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 Etihad Airways. According to our data, you can fly for as low as $800. Users have also found prices from $1,033 and $1,052 on Singapore Airlines and Korean Air, 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 June is currently the most expensive (average of $306). 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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Top 2 airlines flying from Phnom Penh to Boston

Airline	Cheapest	Average	Flexibility	On-time
Cathay Pacific	Cheapest$995	Average$1,352	FlexibilityNo cancel fee	On-time72%
Korean Air	Cheapest$1,364	Average$1,576	FlexibilityNo cancel fee	On-time81%

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$655+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Phnom Penh to Boston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phnom Penh Pochentong to Boston Logan Intl are usually found in June 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Phnom Penh to Boston

Cheapest flights from Phnom Penh to BostonExplore 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 July 1, 2025.

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 July 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phnom Penh to Boston that are best for you.

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.

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 June 27, 2025.

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

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 July 1, 2025.

Get a feel of what it's like to fly with Korean Air, Emirates, and Singapore Airlines 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.

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?

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

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

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

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

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

Traveling to a place near Phnom Penh?

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Other flights to Boston

Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2025.

Top 2 airlines flying from Phnom Penh to Boston

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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 July 1, 2025.