Are direct flights from Boston to Phnom Penh always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, they are not always the most economical choice. Flights with one or more connections can sometimes be significantly cheaper, offering a trade-off between cost and travel duration.

Can flexible travel dates help on Boston to Phnom Penh flights?

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly even within the same week or month. Adjusting your departure or return by a few days may result in considerable savings.

What extra costs should I check before booking Boston to Phnom Penh flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for changes or cancellations. Understanding these additional expenses helps you calculate the true total cost of your journey.

Flights From Boston

To Phnom Penh

Cheap Flights from Boston to Phnom Penh

Browse current best options from Boston. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Boston

RatePunk searches hundreds of travel sites at once for deals on flights to Phnom Penh

Prices updated 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Boston to Phnom Penh

Explore current cheapest deals departing from Boston to Phnom Penh

2027-01-19 – 2027-02-11
BOS - Phnom Penh
82% AI deal score
$1,188
$1,056
Round trip
2027-03-22 – 2027-04-07
BOS - Phnom Penh
81% AI deal score
$1,141
$1,056
Round trip
2027-02-02 – 2027-03-03
BOS - Phnom Penh
77% AI deal score
$1,086
$1,093
Round trip
2027-03-01 – 2027-03-09
BOS - Phnom Penh
77% AI deal score
$1,090
$1,094
Round trip
2027-02-02 – 2027-02-16
BOS - Phnom Penh
77% AI deal score
$1,083
$1,094
Round trip
2027-03-31 – 2027-04-23
BOS - Phnom Penh
79% AI deal score
$1,146
$1,105
Round trip
2027-02-02 – 2027-02-26
BOS - Phnom Penh
77% AI deal score
$1,086
$1,143
Round trip
2027-02-12 – 2027-02-26
BOS - Phnom Penh
77% AI deal score
$1,078
$1,151
Round trip
2027-04-07 – 2027-04-22
BOS - Phnom Penh
81% AI deal score
$1,264
$1,151
Round trip
2027-03-22 – 2027-03-26
BOS - Phnom Penh
77% AI deal score
$1,157
$1,154
Round trip

Boston to Phnom Penh: Overview

Insights for flights from Boston to Phnom Penh

For travelers looking for cheap flights from Boston to Phnom Penh, fares typically range from $1637–$2061, with a median of $1840. Right now, current fares are above the typical level for this route. Only 4% of recent fares were classified as a good price, indicating that finding a low fare can be challenging. New deals show up several times a week, so setting a price alert may be beneficial for this long-haul journey.

If you are wondering when is the cheapest time to fly from Boston to Phnom Penh, the data indicates that August is typically the most affordable month, with a median fare of $1296. Following closely are November, with a median of $1580, and September, with a median of $1596. Planning your trip during these months could result in significant savings.

There are no direct flights from Boston to Phnom Penh. Most itineraries connect at least once, with the typical number of connections being 3. This means that travelers should expect multiple stops on their journey to Phnom Penh.

A typical journey from Boston to Phnom Penh takes approximately 71h 0m, including connections. This extended travel time reflects the long distance and the multiple stopovers usually involved in reaching this destination from Boston. When planning your trip, it is important to account for these longer travel durations.

The distance between Boston and Phnom Penh is approximately 14006 kilometers, classifying this as a long-haul route. This considerable distance contributes to the longer flight times and the necessity of connecting flights for the journey.

How much is a round trip from Boston to Phnom Penh

Regular price: $975 - $2,084

Prices for flights from Boston to Phnom Penh are currently within the regular range.

Regular prices for flights from Boston to Phnom Penh typically range from $975 to $2084. The current lowest deal is $1056 with Korean Air, for travel from Feb 2-Mar 3.

now $1,056

Low $975

High $2,084

The cheapest time to fly from Boston to Phnom Penh

The cheapest month to fly from Boston to Phnom Penh is August, with a median price of $1296. The most expensive month is December, with a median price of $2064. Prices are generally lower from March to November.

August

Cheapest

Flights from $1,296

December

Most Expensive

Flights from $2,064

Jan

Feb

Mar

Apr

May

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to Phnom Penh

Cathay Pacific

Korean Air

Etihad Airways

Turkish Airlines

Last-minute flights going from Boston to Phnom Penh

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,296

$1,215

One-way

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Turkish Airlines, Emirates Airlines

$1,427

$1,578

One-way

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,426

$2,294

One-way

Wed, Oct 28

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Etihad Airways, MyTravel Airways

$1,287

$1,266

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,245

$1,208

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,443

$1,923

One-way

Biggest price drops on these dates for flights from Boston to Phnom Penh

6 nights

Oct 29 - Nov 4

$1,414 → $1,243

12%

14 nights

Apr 7 - Apr 21

$1,261 → $1,153

18 nights

Apr 9 - Apr 27

$1,260 → $1,153

6 nights

Nov 4 - Nov 10

$1,299 → $1,200

Popular Airports to fly from Boston to Phnom Penh

Boston - Phnom Penh route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Boston to Phnom Penh are above the typical level for this route.

📅 Best time to fly

August is the cheapest month to fly

Historically, August is the cheapest month to fly, with a median price of $1296.

⏱️ Flight duration

Connecting flights average 71h 0m

Connecting flights from Boston to Phnom Penh typically average 71h 0m, covering 14006 km.

✈️ Airlines & availability

Connecting flights are dominant

This route is dominated by connecting flights, with 0% direct flights historically.

🏆 Airline highlight

Korean Air has a deal for $1056

Korean Air offers a deal for $1056 from February 2 to March 3, 2027.

🎯 Booking tip

Deals appear regularly

Deals on flights from Boston to Phnom Penh appear regularly, so check frequently.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Boston Logan International Airport (BOS) is a good option for flights from Boston to Phnom Penh.

📍 ~4 km from city center (reachable by car or public transport)

💸 Flights from ~$937

Phnom Penh main airports to arrive at

Techo International Airport (KTI)

Cheapest

Techo International Airport is a good option for flights from Boston to Phnom Penh.

📍 ~20 km from city center (reachable by car)

💸 Flights from ~$1,036

Airports nearby Phnom Penh used as alternative

Siem Reap–Angkor International Airport (SAI)

Phnom Penh, Cambodia

98% AI deal score

$23,078

$6,438

Save $16,640

Etihad Airways

Business Class

From BOS

Elite

Mar 21

Phnom Penh, Cambodia

94% AI deal score

$20,120

$9,002

Save $11,118

Etihad Airways

Business Class

From BOS

Elite

Jan 17

Phnom Penh, Cambodia

91% AI deal score

$6,179

$4,505

Save $1,674

Korean Air

Business Class

From BOS

Elite

Feb 11

Phnom Penh, Cambodia

91% AI deal score

$6,126

$4,555

Save $1,571

Cathay Pacific

Business Class

From BOS

Elite

Nov 06

Phnom Penh, Cambodia

87% AI deal score

$7,792

$6,038

Save $1,754

Air Canada, +1

Business Class

From BOS

Elite

Feb 03

Phnom Penh, Cambodia

83% AI deal score

$6,153

$5,339

Save $814

Etihad Airways

Business Class

From BOS

Elite

Nov 30

Phnom Penh, Cambodia

83% AI deal score

$6,576

$5,479

Save $1,097

Cathay Pacific, +1

Business Class

From BOS

Elite

Nov 17

Phnom Penh, Cambodia

83% AI deal score

$6,632

$5,479

Save $1,153

Cathay Pacific, +1

Business Class

From BOS

Elite

Jan 25

Phnom Penh, Cambodia

82% AI deal score

$6,232

$5,600

Save $632

Cathay Pacific

Business Class

From BOS

Elite

Mar 02

Phnom Penh, Cambodia

82% AI deal score

$6,272

$5,600

Save $672

Cathay Pacific

Business Class

From BOS

Elite

Mar 09

Phnom Penh, Cambodia

82% AI deal score

$6,274

$5,600

Save $674

Cathay Pacific

Business Class

Frequently Asked Questions About Flights to Phnom Penh

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare options from various airlines and online travel agencies. Setting up price alerts may also notify you of fare drops.

Booking in advance often provides more options and potentially better prices, especially for international routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices over time. General advice suggests booking several weeks or months before your intended departure.

Comparing nearby airports can sometimes reveal different flight options or prices. While it may add to your ground transportation, the potential savings on airfare could be significant. Always factor in the total cost and travel time when considering alternative airports.

Related routes

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Flights to Phnom Penh from other cities

Flights from Bangkok to Phnom Penh Flights from Beijing to Phnom Penh Flights from Chiang Mai to Phnom Penh Flights from Davao to Phnom Penh Flights from Denpasar to Phnom Penh Flights from Ho Chi Minh City to Phnom Penh Flights from Hong Kong to Phnom Penh Flights from Kuala Lumpur to Phnom Penh Flights from Seoul to Phnom Penh Flights from Singapore to Phnom Penh Flights from Tokyo to Phnom Penh Flights from Toronto to Phnom Penh

Boston to Phnom Penh: Overview

Insights for flights from Boston to Phnom Penh

How much is a round trip from Boston to Phnom Penh

Regular price: $975 - $2,084

Prices for flights from Boston to Phnom Penh are currently within the regular range.

Regular prices for flights from Boston to Phnom Penh typically range from $975 to $2084. The current lowest deal is $1056 with Korean Air, for travel from Feb 2-Mar 3.

now $1,056

Low $975

High $2,084

The cheapest time to fly from Boston to Phnom Penh

August

Cheapest

Flights from $1,296

December

Most Expensive

Flights from $2,064

Jan

Feb

Mar

Apr

May

Aug

Sep

Oct

Nov

Dec

Direct flights from Boston to Phnom Penh

Cathay Pacific

Korean Air

Etihad Airways

Turkish Airlines

Last-minute flights going from Boston to Phnom Penh

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,296

$1,215

One-way

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Turkish Airlines, Emirates Airlines

$1,427

$1,578

One-way

Tue, Oct 27

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,426

$2,294

One-way

Wed, Oct 28

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Etihad Airways, MyTravel Airways

$1,287

$1,266

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,245

$1,208

One-way

Mon, Nov 2

⌛ Last-Minute

BOS - Phnom Penh

Boston (BOS) - Phnom Penh (KTI)

Cathay Pacific

$1,443

$1,923

One-way

Biggest price drops on these dates for flights from Boston to Phnom Penh

6 nights

Oct 29 - Nov 4

$1,414 → $1,243

12%

14 nights

Apr 7 - Apr 21

$1,261 → $1,153

18 nights

Apr 9 - Apr 27

$1,260 → $1,153

6 nights

Nov 4 - Nov 10

$1,299 → $1,200

Popular Airports to fly from Boston to Phnom Penh

Boston - Phnom Penh route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Boston to Phnom Penh are above the typical level for this route.

📅 Best time to fly

August is the cheapest month to fly

Historically, August is the cheapest month to fly, with a median price of $1296.

⏱️ Flight duration

Connecting flights average 71h 0m

Connecting flights from Boston to Phnom Penh typically average 71h 0m, covering 14006 km.

✈️ Airlines & availability

Connecting flights are dominant

This route is dominated by connecting flights, with 0% direct flights historically.

🏆 Airline highlight

Korean Air has a deal for $1056

Korean Air offers a deal for $1056 from February 2 to March 3, 2027.

🎯 Booking tip

Deals appear regularly

Deals on flights from Boston to Phnom Penh appear regularly, so check frequently.

Boston main airports to depart from

Logan International (BOS)

Cheapest

Boston Logan International Airport (BOS) is a good option for flights from Boston to Phnom Penh.

📍 ~4 km from city center (reachable by car or public transport)

💸 Flights from ~$937

Phnom Penh main airports to arrive at

Techo International Airport (KTI)

Cheapest

Techo International Airport is a good option for flights from Boston to Phnom Penh.

📍 ~20 km from city center (reachable by car)

💸 Flights from ~$1,036

Airports nearby Phnom Penh used as alternative

Siem Reap–Angkor International Airport (SAI)

Siem Reap–Angkor International Airport can be a useful alternative, offering domestic travel within Cambodia.

Phnom Penh, Cambodia

82% AI deal score

$6,274

$5,600

Save $674

Cathay Pacific

Business Class

Frequently Asked Questions About Flights to Phnom Penh

Cheap Flights from Boston to Phnom Penh

Today’s best flight deals from Boston to Phnom Penh

Boston to Phnom Penh: Overview

Insights for flights from Boston to Phnom Penh

How much is a round trip from Boston to Phnom Penh

The cheapest time to fly from Boston to Phnom Penh

Direct flights from Boston to Phnom Penh

Last-minute flights going from Boston to Phnom Penh

Biggest price drops on these dates for flights from Boston to Phnom Penh

Popular Airports to fly from Boston to Phnom Penh

Boston - Phnom Penh route insights

Recent fares are above the typical level

August is the cheapest month to fly

Connecting flights average 71h 0m

Connecting flights are dominant

Korean Air has a deal for $1056

Deals appear regularly

Boston main airports to depart from

Phnom Penh main airports to arrive at

Airports nearby Phnom Penh used as alternative

Business & First Class Flight Deals to Phnom Penh

Best Elite deals to Phnom Penh

Feb 03

Jan 19

Mar 21

Jan 17

Feb 11

Nov 06

Feb 03

Nov 30

Nov 17

Jan 25

Mar 02

Mar 09

Frequently Asked Questions About Flights to Phnom Penh

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

When should I book flights from Boston to Phnom Penh?

Should I compare nearby airports for flights from Boston to Phnom Penh?

Are direct flights from Boston to Phnom Penh always the best option?

Can flexible travel dates help on Boston to Phnom Penh flights?

What extra costs should I check before booking Boston to Phnom Penh flights?

Related routes

More routes from Boston

Flights to Phnom Penh from other cities

Boston to Phnom Penh: Overview

Insights for flights from Boston to Phnom Penh

How much is a round trip from Boston to Phnom Penh

The cheapest time to fly from Boston to Phnom Penh

Direct flights from Boston to Phnom Penh

Last-minute flights going from Boston to Phnom Penh

Biggest price drops on these dates for flights from Boston to Phnom Penh

Popular Airports to fly from Boston to Phnom Penh

Boston - Phnom Penh route insights

Recent fares are above the typical level

August is the cheapest month to fly

Connecting flights average 71h 0m

Connecting flights are dominant

Korean Air has a deal for $1056

Deals appear regularly

Boston main airports to depart from

Phnom Penh main airports to arrive at

Airports nearby Phnom Penh used as alternative

Business & First Class Flight Deals to Phnom Penh

Best Elite deals to Phnom Penh

Feb 03

Jan 19

Mar 21

Jan 17

Feb 11

Nov 06

Feb 03

Nov 30

Nov 17

Jan 25

Mar 02

Mar 09

Frequently Asked Questions About Flights to Phnom Penh

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

When should I book flights from Boston to Phnom Penh?

Should I compare nearby airports for flights from Boston to Phnom Penh?