When did momondo last update prices for flights from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport?

Prices for flights from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport were last updated today.

How old do you have to be to fly from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$665 Cheap Flights from Boston to Siem Reap in 2026

Find the cheapest flights from Boston to Siem Reap

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11:05 pm - 9:30 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:30 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

49h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,250Emirates

Sun, Sep 20 - Tue, Oct 27

6:00 am - 9:40 amBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

40h 40m2 stops San Francisco Singapore Changi

9:55 am - 7:15 amSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

32h 20m2 stops Bangkok Suvarnabhumi Los Angeles

$1,278Multiple Airlines

Mon, Sep 21 - Thu, Oct 29

11:05 pm - 12:15 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

26h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:30 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

49h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,280Emirates

Mon, Sep 21 - Tue, Oct 27

12:55 pm - 5:40 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

41h 45m2 stops Incheon Intl Ho Chi Minh City

9:30 pm - 9:50 amSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

47h 20m2 stops Ho Chi Minh City Incheon Intl

$1,290Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

11:05 pm - 9:30 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

50h 05m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,301Emirates

Sun, Sep 20 - Sat, Oct 31

11:05 pm - 9:30 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:30 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

49h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,326Emirates

Sun, Sep 20 - Thu, Oct 29

11:05 pm - 12:15 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

26h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:30 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

49h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,330Emirates

Sat, Sep 19 - Tue, Oct 27

11:05 pm - 12:15 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

26h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 2:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

50h 05m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,331Emirates

Mon, Sep 21 - Sat, Oct 31

9:50 pm - 12:15 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

27h 25m2 stops Istanbul Bangkok Suvarnabhumi

7:25 pm - 7:05 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

34h 40m2 stops Bangkok Suvarnabhumi Istanbul

$1,339Multiple Airlines

Mon, Sep 21 - Fri, Oct 30

11:05 pm - 9:30 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

1:20 pm - 2:30 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

36h 10m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,348Emirates

Sun, Sep 20 - Fri, Oct 30

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Emirates flights from Boston to Siem Reap

Our best Emirates deals on Boston to Siem Reap flight tickets

Emirates

Sep 20

BOS11:05 pmBoston Logan Intl

35h 25m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

Oct 27

SAI11:50 pmSiem Reap–Angkor Intl

49h 40m

2 stops

BOS2:30 pmBoston Logan Intl

$1,250

Emirates

Sep 21

BOS11:05 pmBoston Logan Intl

26h 10m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Oct 27

SAI11:50 pmSiem Reap–Angkor Intl

49h 40m

2 stops

BOS2:30 pmBoston Logan Intl

$1,280

Emirates

Sep 20

BOS11:05 pmBoston Logan Intl

35h 25m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

Oct 31

SAI11:50 pmSiem Reap–Angkor Intl

50h 05m

2 stops

BOS2:55 pmBoston Logan Intl

$1,301

Singapore Airlines flights from Boston to Siem Reap

Our best Singapore Airlines deals on Boston to Siem Reap flight tickets

Singapore Airlines

Nov 3

BOS3:45 pmBoston Logan Intl

36h 15m

2 stops

SAI4:00 pmSiem Reap–Angkor Intl

Nov 10

SAI4:50 pmSiem Reap–Angkor Intl

38h 51m

3 stops

BOS7:41 pmBoston Logan Intl

$1,504

Singapore Airlines

Sep 21

BOS9:30 pmBoston Logan Intl

49h 10m

2 stops

SAI9:40 amSiem Reap–Angkor Intl

Oct 27

SAI10:45 amSiem Reap–Angkor Intl

48h 04m

3 stops

BOS11:49 pmBoston Logan Intl

$1,703

Singapore Airlines

Sep 23

BOS9:30 pmBoston Logan Intl

49h 10m

2 stops

SAI9:40 amSiem Reap–Angkor Intl

Oct 29

SAI4:50 pmSiem Reap–Angkor Intl

37h 51m

3 stops

BOS7:41 pmBoston Logan Intl

$1,754

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 9/20

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Tue 10/27

11:50 pm-2:30 pm

2 stops49h 40m

$1,250

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 9/21

6:00 am-9:40 am

2 stops40h 40m

Siem Reap–Angkor Intl

Thu 10/29

9:55 am-7:15 am

2 stops32h 20m

$1,278

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 9/21

11:05 pm-12:15 pm

2 stops26h 10m

Siem Reap–Angkor Intl

Tue 10/27

11:50 pm-2:30 pm

2 stops49h 40m

$1,280

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Fri 10/23

12:55 pm-5:40 pm

2 stops41h 45m

Siem Reap–Angkor Intl

Fri 10/30

9:30 pm-9:50 am

2 stops47h 20m

$1,290

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 9/20

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Sat 10/31

11:50 pm-2:55 pm

2 stops50h 05m

$1,301

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 9/20

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Thu 10/29

11:50 pm-2:30 pm

2 stops49h 40m

$1,326

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sat 9/19

11:05 pm-12:15 pm

2 stops26h 10m

Siem Reap–Angkor Intl

Tue 10/27

11:50 pm-2:30 pm

2 stops49h 40m

$1,330

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 9/21

11:05 pm-12:15 pm

2 stops26h 10m

Siem Reap–Angkor Intl

Sat 10/31

11:50 pm-2:55 pm

2 stops50h 05m

$1,331

Quickest round-trip

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 9/21

9:50 pm-12:15 pm

2 stops27h 25m

Siem Reap–Angkor Intl

Fri 10/30

7:25 pm-7:05 pm

2 stops34h 40m

$1,339

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 9/20

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Fri 10/30

1:20 pm-2:30 pm

2 stops36h 10m

$1,348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Boston Logan Intl to Siem Reap–Angkor Intl?

Singapore Airlines is the most popular carrier operating from Boston Logan Intl to Siem Reap–Angkor Intl

When to book flights from Boston to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Siem Reap (BOS to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Siem Reap

Best Price Found	$665
Fastest flight time	30h 10m
Direct flights	None

The best one-way flight to Siem Reap from Boston in the past 72 hours is $665. The best round-trip flight deal from Boston to Siem Reap found on momondo in the last 72 hours is $1,250.

The fastest flight from Boston to Siem Reap takes 30h 10m

There are no direct flights from Boston to Siem Reap. There are no popular flight routes from Boston to Siem Reap.

Search flight deals

Frequently asked questions about flying from Boston to Siem Reap

How far is Boston Logan Intl to Siem Reap–Angkor Intl by plane?
Boston Logan Intl and Siem Reap–Angkor Intl are 8567.5 mi apart from one another. 30h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport?
Prices for flights from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport were last updated today.
How old do you have to be to fly from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Siem Reap?

It is quick and easy to find Boston to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

Can I find flights from Boston to Siem Reap with flexible booking policies on momondo?

Flights from Boston to Siem Reap with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Siem Reap?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Boston.

I’m not ready to book a flight from Boston to Siem Reap right now. Can momondo alert me if prices change?

Price alerts on flights to Siem Reap from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Boston to Siem Reap from $665

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Siem Reap departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Emirates flights from Boston to Siem Reap

Our best Emirates deals on Boston to Siem Reap flight tickets

Singapore Airlines flights from Boston to Siem Reap

Our best Singapore Airlines deals on Boston to Siem Reap flight tickets

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How to get the cheapest flight ticket from Boston to Siem Reap

What is the cheapest airline that flies from Boston Logan Intl to Siem Reap–Angkor Intl?

When to book flights from Boston to Siem Reap

Cheap Boston to Siem Reap (BOS to SAI) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Siem Reap

Why use momondo?

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

Popular cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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