BOS - KTI

Find cheap flights from Boston to Phnom Penh - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Nonstop flights
Not available
There are currently no direct flights between Boston and Phnom Penh. You'll need to take a connecting flight to reach the destination.
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When to book
26 weeks
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 31% compared to booking last minute.
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When to travel
April
Cheapest • 21% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Incheon Intl (ICN)
Cheapest • Avg $1,156 (round-trip)
Hong Kong Intl (HKG)
Shortest trip • 23h 09m (one-way)
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Cheap Flights from Boston to Phnom Penh (BOS-KTI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Phnom Penh

Multiple Airlines Logo
BOS  Boston Logan Airport-KTI Phnom Penh Techo Intl
8710 mimulti-stop
Multiple Airlines Logo
KTI  Phnom Penh Techo Intl-BOS Boston Logan Airport
8710 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand and travel trends for Boston to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Phnom Penh with more confidence.

What's the cheapest day of the week to fly from Boston to Phnom Penh?

Sunday is the cheapest day of the week to fly from Boston to Phnom Penh, it is 11% cheaper than the average day. Monday is the most expensive day with flight prices 7% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to Phnom Penh?

  • April is the cheapest month to fly from Boston to Phnom Penh at $908 round-trip.
  • July ($1,578) and December ($1,561) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to Phnom Penh the cheapest?

Flights from Boston to Phnom Penh are cheapest 26 weeks before departure. Booking in this window typically costs about 31% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boston to Phnom Penh flights

Low season

October
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 37% increase in price.

When to book flights from Boston to Phnom Penh

Are your dates flexible? Find out the best times to travel from Boston to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Phnom Penh flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boston to Phnom Penh?

    Flights from Boston to Phnom Penh usually depart from Boston Logan Intl (BOS) and arrive at Phnom Penh Techo Intl (KTI).

  • What cabin classes can I book on flights from Boston to Phnom Penh?

    Four cabin classes are available on flights from Boston to Phnom Penh:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from Boston to Phnom Penh pass through?

    One-stop flights from Boston to Phnom Penh most commonly connect through:

    • Hong Kong Intl (HKG) - 67% of one-stop connections
    • Incheon Intl (ICN) - 30% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 3% of one-stop connections

    Hong Kong Intl (HKG) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boston to Phnom Penh?

    On the Boston to Phnom Penh route, being flexible with your departure day can save you up to 17%. Sunday is the cheapest day at $1,035 round-trip on average, while Monday is the most expensive at $1,240: a $205 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How expensive are last-minute Boston to Phnom Penh flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 16% above the route average of $1,155. Book 26 weeks before departure for the lowest fares.

  • How long is a flight from Boston to Phnom Penh?

    A nonstop flight from Boston to Phnom Penh takes 0h 00m, covering 8,710 miles.

  • Do I need a passport to fly from Boston to Phnom Penh?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much time can I save by choosing a different layover airport from Boston to Phnom Penh?

    Flying via Incheon Intl (ICN) gives the shortest average 1-stop total travel time at 22h 01m, compared with 23h 09m via Hong Kong Intl (HKG) and 31h 19m via Abu Dhabi Zayed Intl (AUH).

  • What is the time difference between Boston and Phnom Penh?

    Phnom Penh is 11 hours ahead of Boston (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Boston to Phnom Penh flight?

    Round-trip flights from Boston to Phnom Penh range from $932 to $1,455, with an average of $1,155 over the past 12 months. Anything below $932 counts as a good deal.

Your guide to booking Boston to Phnom Penh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Monday. On this route, Sunday flights average $1,035 - about $205 less than Monday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 31% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Phnom Penh trip for April. Fares historically average $908 round-trip in that month - typically $670 less than the most expensive month, which is July (based on the last 12 months).

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

Information on your arrival and departure airports

Boston (BOS)
Phnom Penh (KTI)