Flights to Phnom Penh from Boston - $506

View $506 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Boston to Phnom Penh

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Cheap Flights from Boston to Phnom Penh (BOS-KH-12)

Prices were available within the past 7 days and start at $506 for one-way flights and $902 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Tue, Jan 20 - Wed, Feb 4
BOS
Boston
PNH
Phnom Penh
$902 Roundtrip, just found
$902
Roundtrip
just found
Select Korean Air flight, departing Tue, Jan 20 from Boston to Phnom Penh, returning Wed, Feb 4, priced at $902 just found
Delta
Wed, Nov 26 - Sun, Dec 14
BOS
Boston
PNH
Phnom Penh
$913 Roundtrip, just found
$913
Roundtrip
just found
Select Delta flight, departing Wed, Nov 26 from Boston to Phnom Penh, returning Sun, Dec 14, priced at $913 just found
Cathay Pacific
Tue, Sep 9 - Tue, Oct 7
BOS
Boston
KTI
Phnom Penh
$930 Roundtrip, found 16 hours ago
$930
Roundtrip
found 16 hours ago
Select Cathay Pacific flight, departing Tue, Sep 9 from Boston to Phnom Penh, returning Tue, Oct 7, priced at $930 found 16 hours ago
Cathay Pacific
Wed, Aug 20 - Mon, Sep 8
BOS
Boston
PNH
Phnom Penh
$930 Roundtrip, found 6 hours ago
$930
Roundtrip
found 6 hours ago
Select Cathay Pacific flight, departing Wed, Aug 20 from Boston to Phnom Penh, returning Mon, Sep 8, priced at $930 found 6 hours ago
Etihad Airways
Sat, Oct 11 - Sat, Nov 8
BOS
Boston
PNH
Phnom Penh
$1,097 Roundtrip, found 7 hours ago
$1,097
Roundtrip
found 7 hours ago
Select Etihad Airways flight, departing Sat, Oct 11 from Boston to Phnom Penh, returning Sat, Nov 8, priced at $1,097 found 7 hours ago
Turkish Airlines
Tue, Jan 13 - Thu, Jan 22
BOS
Boston
PNH
Phnom Penh
$1,102 Roundtrip, found 7 hours ago
$1,102
Roundtrip
found 7 hours ago
Select Turkish Airlines flight, departing Tue, Jan 13 from Boston to Phnom Penh, returning Thu, Jan 22, priced at $1,102 found 7 hours ago

Find the cheapest month to fly from Boston (BOS) to Phnom Penh (PNH)

September is typically the cheapest month to fly

From $809 - $1,484 per traveler.

Graph displaying average flight prices per month

Alternative airports near Phnom Penh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Phnom Penh Intl. PNH. Cheapest option available. Flights from $1,312
PNH
Phnom Penh Intl.
Cheapest
Flights from $1,312
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