Cheap Flights from Boston to Siem Reap
No deal from Boston to Siem Reap has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Boston to Siem Reap, the lowest round-trip fare we recorded was $1053, in July. The typical fare was $1187. July was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $1260 on Etihad and Air Cambodia, 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/siem-reap">to Siem Reap</a>, or the return direction <a href="/from/siem-reap/to/boston">Siem Reap to Boston</a>.
Latest price we saw: Boston to Siem Reap
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 Siem Reap (SAI) | $1260 | 7.3¢ | Jan 23 – Feb 1 | Etihad and Air Cambodia | Oct 27 | Check price |
Price history: Boston to Siem Reap
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1242 | $1280 | 32 |
| Sep 2026 | $1199 | $1233 | 32 |
| Aug 2026 | $1053 | $1181 | 55 |
| Jul 2026 | $1053 | $1053 | 2 |
Frequently asked questions
How many flight deals from Boston to Siem Reap are on Sparkflights right now?
There are 0 verified deals from Boston to Siem Reap on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Boston to Siem Reap?
The lowest fare we've recorded from Boston to Siem Reap is $1053, based on 121 price observations over 4 months.
How much does a flight from Boston to Siem Reap cost?
The typical round-trip fare we observed from Boston to Siem Reap is $1187, against a recorded low of $1053. These are observations, not quotes.
When is the cheapest month to fly Boston to Siem Reap?
July was the cheapest month we observed from Boston to Siem Reap and October the dearest, over 4 months of data.
What is the current price from Boston to Siem Reap?
The most recent fare our sweep saw from Boston to Siem Reap is $1260, on Oct 27. It is an unverified observation rather than a verified deal, so check it before booking.