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Cheap flights from Phnom Penh to Boston

KTI — BOS
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Phnom Penh to Boston

Popular in

May

Cheapest in

January

Average price

£1,336
Highest demand for flights based on searches. 7% potential increase in price (£76 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£27 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Best time to book a flight from Phnom Penh to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Phnom Penh with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Boston

What is the cheapest month to book a flight from Phnom Penh to Boston?

Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of £928). Flying from Phnom Penh to Boston in May is currently the most expensive (average of £1,595). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • Can I find deals for flights from Phnom Penh to Boston that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Boston.

  • Can I find deals for business class flights from Phnom Penh to Boston?

    Yes. Cheapflights offers flight deals from Phnom Penh to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Boston?

    Currently, January is the cheapest month in which you can book a flight from Phnom Penh to Boston (average of £928). Flying from Phnom Penh to Boston in May is currently the most expensive (average of £1,595). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

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How does Cheapflights help users find flights from Phnom Penh to Boston?

Deals for Phnom Penh to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Phnom Penh to Boston?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from Phnom Penh.

Can Cheapflights find flights from Phnom Penh to Boston with no change fees?

Yes! Cheapflights helps users easily find flights from Phnom Penh to Boston with no change fees.

Can Cheapflights notify me if prices for flights from Phnom Penh to Boston become cheaper?

Yes! Start tracking prices for Phnom Penh to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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