Cheap Flights from Boston to Phnom Penh
No deal from Boston to Phnom Penh has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Boston to Phnom Penh, the lowest round-trip fare we recorded was $1029, in August. The typical fare was $1224. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $1225 on Cathay Pacific, seen Oct 27. It is an unverified observation and may have changed.
See every deal <a href="/from/boston">from Boston</a>, <a href="/to/phnom-penh">to Phnom Penh</a>, or the return direction <a href="/from/phnom-penh/to/boston">Phnom Penh to Boston</a>.
Latest price we saw: Boston to Phnom Penh
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Boston (BOS) to Phnom Penh (KTI) | $1225 | 7.0¢ | Nov 16 – Nov 25 | Cathay Pacific | Oct 27 | Check price |
Price history: Boston to Phnom Penh
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1225 | $1403 | 30 |
| Sep 2026 | $1029 | $1196 | 32 |
| Aug 2026 | $1029 | $1205 | 35 |
| Jul 2026 | $1092 | $1092 | 1 |
Frequently asked questions
How many flight deals from Boston to Phnom Penh are on Sparkflights right now?
There are 0 verified deals from Boston to Phnom Penh on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Boston to Phnom Penh?
The lowest fare we've recorded from Boston to Phnom Penh is $1029, based on 98 price observations over 4 months.
How much does a flight from Boston to Phnom Penh cost?
The typical round-trip fare we observed from Boston to Phnom Penh is $1224, against a recorded low of $1029. These are observations, not quotes.
When is the cheapest month to fly Boston to Phnom Penh?
August was the cheapest month we observed from Boston to Phnom Penh and October the dearest, over 4 months of data.
What is the current price from Boston to Phnom Penh?
The most recent fare our sweep saw from Boston to Phnom Penh is $1225, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.