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Cheap flights from Phnom Penh to Boston from $588

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to Boston departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phnom Penh to Boston

Cheap round-trip flights

Korean Air Logo
11:45 pm - 8:40 amPNH-BOS
20h 55m1 stop
Korean Air Logo
11:00 am - 10:25 pmBOS-PNH
23h 25m1 stop
$1,369Korean Air
Find Deal
Fri, Nov 7 - Tue, Nov 11
Korean Air Logo
11:45 pm - 8:40 amPNH-BOS
20h 55m1 stop
Korean Air Logo
11:00 am - 10:25 pmBOS-PNH
23h 25m1 stop
$1,370Korean Air
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
11:45 pm - 6:35 amPNH-BOS
42h 50m2 stops
Delta Logo
7:05 am - 10:25 pmBOS-PNH
27h 20m2 stops
$1,380Delta
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
11:45 pm - 6:35 amPNH-BOS
42h 50m2 stops
Delta Logo
5:30 am - 10:25 pmBOS-PNH
28h 55m2 stops
$1,381Delta
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
11:45 pm - 8:40 amPNH-BOS
20h 55m1 stop
Delta Logo
7:05 am - 10:25 pmBOS-PNH
27h 20m2 stops
$1,470Delta
Find Deal
Fri, Nov 7 - Tue, Nov 11
Qatar Airways Logo
5:10 pm - 1:55 pmPNH-BOS
32h 45m2 stops
Qatar Airways Logo
8:30 am - 3:25 pmBOS-PNH
42h 55m3 stops
$1,678Qatar Airways
Find Deal
Fri, Nov 7 - Tue, Nov 11
Qatar Airways Logo
5:10 pm - 2:58 pmPNH-BOS
33h 48m3 stops
Qatar Airways Logo
1:40 pm - 3:25 pmBOS-PNH
37h 45m3 stops
$1,809Qatar Airways
Find Deal
Fri, Nov 7 - Tue, Nov 11

Korean Air flights from Phnom Penh to Boston

Our best Korean Air deals on Phnom Penh to Boston flight tickets
Korean Air
Nov 7
PNH11:45 pmPhnom Penh Pochentong
20h 55m
1 stop
BOS8:40 amBoston Logan Intl
Nov 11
BOS11:00 amBoston Logan Intl
23h 25m
1 stop
PNH10:25 pmPhnom Penh Pochentong
$1,369
Find similar
Korean Air
Nov 7
PNH11:45 pmPhnom Penh Pochentong
20h 55m
1 stop
BOS8:40 amBoston Logan Intl
Nov 11
BOS11:00 amBoston Logan Intl
23h 25m
1 stop
PNH10:25 pmPhnom Penh Pochentong
$1,370
Find similar

Delta flights from Phnom Penh to Boston

Our best Delta deals on Phnom Penh to Boston flight tickets
Delta
Nov 7
PNH11:45 pmPhnom Penh Pochentong
42h 50m
2 stops
BOS6:35 amBoston Logan Intl
Nov 11
BOS7:05 amBoston Logan Intl
27h 20m
2 stops
PNH10:25 pmPhnom Penh Pochentong
$1,380
Find similar
Delta
Nov 7
PNH11:45 pmPhnom Penh Pochentong
42h 50m
2 stops
BOS6:35 amBoston Logan Intl
Nov 11
BOS5:30 amBoston Logan Intl
28h 55m
2 stops
PNH10:25 pmPhnom Penh Pochentong
$1,381
Find similar
Delta
Nov 7
PNH11:45 pmPhnom Penh Pochentong
20h 55m
1 stop
BOS8:40 amBoston Logan Intl
Nov 11
BOS7:05 amBoston Logan Intl
27h 20m
2 stops
PNH10:25 pmPhnom Penh Pochentong
$1,470
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
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 11/7

11:45 pm-8:40 am

1 stop20h 55m

Boston Logan Intl

Tue 11/11

11:00 am-10:25 pm

1 stop23h 25m

$1,369

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

11:45 pm-8:40 am

1 stop20h 55m

Boston Logan Intl

Tue 11/11

11:00 am-10:25 pm

1 stop23h 25m

$1,370

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

11:45 pm-6:35 am

2 stops42h 50m

Boston Logan Intl

Tue 11/11

7:05 am-10:25 pm

2 stops27h 20m

$1,380

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

11:45 pm-6:35 am

2 stops42h 50m

Boston Logan Intl

Tue 11/11

5:30 am-10:25 pm

2 stops28h 55m

$1,381

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

11:45 pm-8:40 am

1 stop20h 55m

Boston Logan Intl

Tue 11/11

7:05 am-10:25 pm

2 stops27h 20m

$1,470

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

8:30 am-3:25 pm

3 stops42h 55m

$1,678

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Fri 11/7

5:10 pm-2:58 pm

3 stops33h 48m

Boston Logan Intl

Tue 11/11

1:40 pm-3:25 pm

3 stops37h 45m

$1,809

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 9/15

12:20 pm-11:29 am

3 stops34h 09m

$588

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 9/15

5:05 pm-2:55 pm

3 stops32h 50m

$653

Phnom PenhBoston

PNH - BOS

PNHBOS

Phnom Penh Pochentong

Mon 9/15

8:15 am-3:05 pm

2 stops41h 50m

$757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Phnom Penh to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Phnom Penh and Boston?

What is the cheapest month to fly to Boston?

In general, June is the cheapest month to fly from Phnom Penh to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,119. If you aren’t able to travel during the month of June, then book flights to Boston from Phnom Penh during December instead. Flights to Boston in December, while not as cheap as those in June, still average around $1,473.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Phnom Penh to Boston is on a Friday when prices can be found for as low as $1,548. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Saturday is $1,713.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Phnom Penh to Boston in the afternoon for as low as $1,374. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Boston, so prices are often more expensive at around $1,580 per ticket.

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

You are more likely to see cheaper flights to Boston from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $1,637 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Phnom Penh for as low as $1,212 on momondo.

Can stopping save me money on Phnom Penh to Boston flights?

You could potentially save up to 9% on your flight if you consider stops on a Phnom Penh to Boston flight.

How have Phnom Penh to Boston flight prices changed over time?

As of July 2025, prices for Phnom Penh to Boston flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Phnom Penh to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Phnom Penh to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phnom Penh to Boston (PNH to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to Boston

Best Price Found

$588

Fastest flight time

20h 55m

Direct flights

None

Airports in Boston

1 airport
The best one-way flight to Boston from Phnom Penh in the past 72 hours is $588. The best round-trip flight deal from Phnom Penh to Boston found on momondo in the last 72 hours is $1,369.
The fastest flight from Phnom Penh to Boston takes 20h 55m
There are no direct flights from Phnom Penh to Boston. Popular non-direct route for this connection is Phnom Penh Pochentong Airport - Boston Logan Intl Airport.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is Phnom Penh Pochentong to Boston Logan Intl by plane?

    There are 8696.3 mi between Phnom Penh Pochentong and Boston Logan Intl. A reasonable flight in good conditions will take 20h 55m.

  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Boston Logan Intl Airport?

    Prices for flights from Phnom Penh Pochentong Airport to Boston Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phnom Penh Pochentong Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Phnom Penh to Boston?

Best airlines flying from Phnom Penh to Boston

Compare and see reviews for airlines that fly from Phnom Penh to Boston with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $995Free CancellationRating
7.6
949 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $1,336Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights

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Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to Boston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phnom Penh to Boston. momondo saves you time and could save you money on your trip.

Can I find flights from Phnom Penh to Boston with flexible booking policies on momondo?

Yes. All flights to Boston from Phnom Penh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Phnom Penh to Boston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phnom Penh to Boston.

I’m not ready to book a flight from Phnom Penh to Boston right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Phnom Penh to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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