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Cheap flights from Boston to Phnom Penh from $460

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Phnom Penh departing on 3/26. 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 Boston to Phnom Penh

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Phnom Penh that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Phnom Penh.

Cheap last minute flights

Planning a quick getaway from Boston to Phnom Penh? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phnom Penh, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Phnom Penh

Find recent round-trip train or bus tickets from Boston to Phnom Penh.

All round-trip flight deals from Boston to Phnom Penh

The cheapest plane tickets from Boston to Phnom Penh found on KAYAK recently.
12:00 pm - 10:25 pmBOS-PNH
23h 25m1 stop
11:45 pm - 9:40 amPNH-BOS
20h 55m1 stop
$858Korean Air
Find Deal
Mon, Mar 10 - Mon, Mar 17
5:05 pm - 2:05 pmBOS-PNH
34h 00m2 stops
11:45 pm - 9:42 pmPNH-BOS
32h 57m2 stops
Mon, Mar 10 - Mon, Mar 17
1:30 am - 10:25 amBOS-PNH
21h 55m1 stop
11:25 am - 10:20 pmPNH-BOS
21h 55m1 stop
$957Cathay Pacific
Find Deal
Tue, Mar 18 - Tue, Jun 17
1:30 am - 10:25 amBOS-PNH
21h 55m1 stop
6:30 pm - 10:20 pmPNH-BOS
38h 50m1 stop
$973Cathay Pacific
Find Deal
Mon, Mar 24 - Wed, Apr 30
9:15 pm - 3:25 pmBOS-PNH
30h 10m2 stops
5:40 pm - 2:50 pmPNH-BOS
32h 10m2 stops
$1,106Qatar Airways
Find Deal
Sun, Mar 2 - Sun, Jul 13
9:15 pm - 3:25 pmBOS-PNH
30h 10m2 stops
5:30 pm - 2:50 pmPNH-BOS
32h 20m2 stops
$1,120Qatar Airways
Find Deal
Mon, Mar 3 - Mon, May 19
7:15 am - 11:15 pmBOS-PNH
29h 00m2 stops
12:15 am - 9:33 pmPNH-BOS
32h 18m2 stops
$1,124China Eastern
Find Deal
Mon, Mar 10 - Sun, Mar 16
6:30 am - 11:15 pmBOS-PNH
29h 45m2 stops
12:10 am - 12:10 amPNH-BOS
35h 00m2 stops
$1,157China Eastern
Find Deal
Wed, Jun 11 - Tue, Jul 15
10:10 pm - 6:25 pmBOS-PNH
32h 15m1 stop
8:50 pm - 2:10 pmPNH-BOS
28h 20m1 stop
$1,203Emirates
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Mon, Feb 3 - Mon, Mar 31
10:10 pm - 6:25 pmBOS-PNH
32h 15m1 stop
8:50 pm - 2:10 pmPNH-BOS
28h 20m1 stop
$1,205Emirates
Find Deal
Mon, Mar 3 - Mon, May 19
12:00 pm - 10:25 pmBOS-PNH
23h 25m1 stop
$460Korean Air
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Wed, Mar 26
1:54 pm - 5:40 pmBOS-PNH
40h 46m2 stops
Tue, Apr 8
10:00 am - 10:25 pmBOS-PNH
25h 25m2 stops
$525Korean Air
Find Deal
Wed, Mar 26
6:00 am - 10:10 pmBOS-PNH
53h 10m3 stops
Tue, Apr 8
1:30 am - 10:25 amBOS-PNH
21h 55m1 stop
$633Cathay Pacific
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Tue, Mar 25
10:54 am - 8:35 amBOS-PNH
34h 41m3 stops
$671Singapore Airlines
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Wed, Mar 26
1:05 pm - 10:10 pmBOS-PNH
22h 05m1 stop
$712Korean Air
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Tue, Apr 8
1:30 am - 2:25 pmBOS-PNH
25h 55m2 stops
$4,685
Find Deal
Tue, Mar 25
11:00 am - 10:25 pmBOS-PNH
23h 25m1 stop
11:30 pm - 10:20 amPNH-BOS
21h 50m1 stop
$925Korean Air
Find Deal
Mon, Jan 27 - Mon, Mar 31
6:00 am - 10:25 pmBOS-PNH
28h 25m2 stops
11:30 pm - 10:20 amPNH-BOS
21h 50m1 stop
$1,078Korean Air
Find Deal
Wed, Jan 29 - Mon, Mar 31
6:00 am - 10:25 pmBOS-PNH
28h 25m2 stops
11:30 pm - 10:20 amPNH-BOS
21h 50m1 stop
$1,083Korean Air
Find Deal
Tue, Jan 28 - Mon, Mar 31
5:40 am - 10:25 pmBOS-PNH
28h 45m2 stops
11:30 pm - 10:20 amPNH-BOS
21h 50m1 stop
$1,102Korean Air
Find Deal
Mon, Jan 27 - Mon, Mar 31
9:15 pm - 3:25 pmBOS-PNH
30h 10m2 stops
11:10 am - 2:50 pmPNH-BOS
38h 40m2 stops
$1,178Qatar Airways
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Mon, Jan 27 - Thu, Apr 17
9:15 pm - 3:25 pmBOS-PNH
30h 10m2 stops
5:30 pm - 2:50 pmPNH-BOS
56h 20m2 stops
$1,183Qatar Airways
Find Deal
Mon, Jan 27 - Mon, Mar 31
12:30 am - 2:15 pmBOS-PNH
25h 45m2 stops
5:05 pm - 3:15 pmPNH-BOS
33h 10m3 stops
$1,379
Find Deal
Mon, Jan 27 - Mon, Mar 31
4:40 pm - 6:30 pmBOS-PNH
37h 50m3 stops
6:55 pm - 10:30 pmPNH-BOS
38h 35m2 stops
$1,381Singapore Airlines
Find Deal
Mon, Jan 27 - Mon, Mar 31
12:30 am - 5:45 pmBOS-PNH
29h 15m1 stop
11:10 am - 2:10 pmPNH-BOS
38h 00m2 stops
$1,416
Find Deal
Mon, Jan 27 - Mon, Mar 31
4:15 pm - 8:35 amBOS-PNH
28h 20m2 stops
7:40 pm - 1:25 pmPNH-BOS
29h 45m2 stops
$19,881Lufthansa
Find Deal
Sun, Jan 26 - Tue, Jan 28

Qatar Airways flights from Boston to Phnom Penh

Our best Qatar Airways deals on Boston to Phnom Penh flight tickets
Qatar Airways
Mar 2
BOS9:15 pmBoston Logan Intl
30h 10m
2 stops
PNH3:25 pmPhnom Penh Pochentong
Jul 13
PNH5:40 pmPhnom Penh Pochentong
32h 10m
2 stops
BOS2:50 pmBoston Logan Intl
Qatar Airways
Mar 3
BOS9:15 pmBoston Logan Intl
30h 10m
2 stops
PNH3:25 pmPhnom Penh Pochentong
May 19
PNH5:30 pmPhnom Penh Pochentong
32h 20m
2 stops
BOS2:50 pmBoston Logan Intl
Qatar Airways
Feb 26
BOS9:15 pmBoston Logan Intl
30h 10m
2 stops
PNH3:25 pmPhnom Penh Pochentong
May 1
PNH5:30 pmPhnom Penh Pochentong
56h 20m
2 stops
BOS2:50 pmBoston Logan Intl

Singapore Airlines flights from Boston to Phnom Penh

Our best Singapore Airlines deals on Boston to Phnom Penh flight tickets
Singapore Airlines
Mar 3
BOS11:40 amBoston Logan Intl
32h 55m
3 stops
PNH8:35 amPhnom Penh Pochentong
May 19
PNH6:55 pmPhnom Penh Pochentong
32h 11m
3 stops
BOS4:06 pmBoston Logan Intl
Singapore Airlines
Jan 27
BOS4:40 pmBoston Logan Intl
37h 50m
3 stops
PNH6:30 pmPhnom Penh Pochentong
Mar 31
PNH6:55 pmPhnom Penh Pochentong
38h 35m
2 stops
BOS10:30 pmBoston Logan Intl
Singapore Airlines
Mar 3
BOS6:10 amBoston Logan Intl
38h 25m
3 stops
PNH8:35 amPhnom Penh Pochentong
May 19
PNH6:55 pmPhnom Penh Pochentong
32h 11m
3 stops
BOS4:06 pmBoston Logan Intl

See travel insights to Phnom Penh from

How to get the cheapest flight ticket from Boston to Phnom Penh

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 Boston and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

In general, January is the cheapest month to fly from Boston to Phnom Penh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,102. If you aren’t able to travel to Phnom Penh during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,149.

What is the cheapest day to depart on your flight to Phnom Penh?

The cheapest day to depart from Boston to Phnom Penh is on a Monday. Travelers who choose to depart for Phnom Penh on a Monday will often find tickets for as low as $1,250. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Phnom Penh for around $1,486.

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

According to our data, the cheapest time of day to fly to Phnom Penh is in the evening. momondo users have found flights departing from Boston to Phnom Penh in the evening for as low as $1,215. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Phnom Penh are more costly in the afternoon, with an average ticket price of $1,607. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Phnom Penh from Boston when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around $1,373 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from Boston for as low as $1,151 on momondo.

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

As of January 2025, prices for Boston to Phnom Penh flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Phnom Penh

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

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

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

Best Price Found

$460

Fastest flight time

21h 30m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from Boston in the past 72 hours is $460. The best round-trip flight deal from Boston to Phnom Penh found on momondo in the last 72 hours is $858.
The fastest flight from Boston to Phnom Penh takes 21h 30m
There are no direct flights from Boston to Phnom Penh. Popular non-direct route for this connection is Boston Logan Intl Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

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

    Phnom Penh Pochentong is 8696.3 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 21h 30m.

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

    Prices for flights from Boston Logan Intl Airport to Phnom Penh Pochentong Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Best airlines flying from Boston to Phnom Penh

Compare and see reviews for airlines that fly from Boston to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $842Free CancellationRating
7.5
830 reviews
Search Cathay Pacific flights
Korean AirPriceFrom $955Free CancellationRating
8.4
1,037 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,029Free CancellationRating
7.5
3,737 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,172Free CancellationRating
8.1
3,349 reviews
Search Emirates flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phnom Penh from Boston.

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

Flights from Boston to Phnom Penh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phnom Penh from Boston.

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

Yes momondo offers price alerts on flights to Phnom Penh from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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