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.

$641 Cheap Flights from Boston to Siem Reap in 2026

Find the cheapest flights from Boston to Siem Reap

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3:40 pm - 10:55 amBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

55h 15m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl

7:10 pm - 2:10 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

55h 00m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl

$1,141Multiple Airlines

Sun, Nov 1 - Mon, Dec 7

3:40 pm - 2:25 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

34h 45m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl

2:10 pm - 2:10 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

36h 00m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl

$1,186Multiple Airlines

Tue, Jan 12 - Tue, Jan 19

6:35 pm - 12:15 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

30h 40m2 stops Los Angeles Los Angeles Bangkok Suvarnabhumi

12:55 pm - 7:37 amSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

29h 42m2 stops Bangkok Suvarnabhumi Los Angeles Los Angeles

$1,191Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

8:40 pm - 9:55 amBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

25h 15m2 stops Munich Franz Josef Strauss Singapore Changi

4:50 pm - 6:35 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

37h 45m2 stops Singapore Changi Munich Franz Josef Strauss

$1,243Lufthansa

Mon, Feb 15 - Tue, Feb 23

10:10 pm - 9:10 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 00m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 1:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

50h 05m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,250Emirates

Sun, Feb 14 - Tue, Feb 23

10:41 am - 9:55 amBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 14m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi

4:50 pm - 6:48 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

37h 58m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

$1,272Singapore Airlines

Tue, Jan 12 - Tue, Jan 19

10:10 pm - 9:10 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 00m2 stops Dubai Intl Bangkok Suvarnabhumi

1:20 pm - 1:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

36h 35m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,280Emirates

Sun, Feb 14 - Wed, Feb 24

10:10 pm - 9:10 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

35h 00m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 1:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

50h 05m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,286Emirates

Sun, Feb 14 - Sat, Feb 20

10:10 pm - 12:40 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

26h 30m2 stops Dubai Intl Bangkok Suvarnabhumi

1:20 pm - 1:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

36h 35m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,310Emirates

Mon, Feb 15 - Wed, Feb 24

10:10 pm - 12:40 pmBOS Boston Logan Intl-SAI Siem Reap–Angkor Intl

26h 30m2 stops Dubai Intl Bangkok Suvarnabhumi

11:50 pm - 1:55 pmSAI Siem Reap–Angkor Intl-BOS Boston Logan Intl

50h 05m2 stops Bangkok Suvarnabhumi Dubai Intl

$1,316Emirates

Mon, Feb 15 - Sat, Feb 20

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Emirates flights from Boston to Siem Reap

Our best Emirates deals on Boston to Siem Reap flight tickets

Emirates

Feb 14

BOS10:10 pmBoston Logan Intl

35h 00m

2 stops

SAI9:10 pmSiem Reap–Angkor Intl

Feb 23

SAI11:50 pmSiem Reap–Angkor Intl

50h 05m

2 stops

BOS1:55 pmBoston Logan Intl

$1,250

Emirates

Feb 14

BOS10:10 pmBoston Logan Intl

35h 00m

2 stops

SAI9:10 pmSiem Reap–Angkor Intl

Feb 24

SAI1:20 pmSiem Reap–Angkor Intl

36h 35m

2 stops

BOS1:55 pmBoston Logan Intl

$1,280

Emirates

Feb 14

BOS10:10 pmBoston Logan Intl

35h 00m

2 stops

SAI9:10 pmSiem Reap–Angkor Intl

Feb 20

SAI11:50 pmSiem Reap–Angkor Intl

50h 05m

2 stops

BOS1:55 pmBoston Logan Intl

$1,286

Singapore Airlines flights from Boston to Siem Reap

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

Singapore Airlines

Jan 12

BOS10:41 amBoston Logan Intl

35h 14m

3 stops

SAI9:55 amSiem Reap–Angkor Intl

Jan 19

SAI4:50 pmSiem Reap–Angkor Intl

37h 58m

3 stops

BOS6:48 pmBoston Logan Intl

$1,272

Singapore Airlines

Feb 16

BOS12:38 pmBoston Logan Intl

39h 22m

3 stops

SAI4:00 pmSiem Reap–Angkor Intl

Feb 22

SAI10:45 amSiem Reap–Angkor Intl

48h 50m

3 stops

BOS11:35 pmBoston Logan Intl

$1,387

Singapore Airlines

Nov 11

BOS4:00 pmBoston Logan Intl

29h 55m

3 stops

SAI9:55 amSiem Reap–Angkor Intl

Nov 21

SAI10:45 amSiem Reap–Angkor Intl

42h 18m

3 stops

BOS5:03 pmBoston Logan Intl

$1,416

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 11/1

3:40 pm-10:55 am

2 stops55h 15m

Siem Reap–Angkor Intl

Mon 12/7

7:10 pm-2:10 pm

2 stops55h 00m

$1,141

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Tue 1/12

3:40 pm-2:25 pm

2 stops34h 45m

Siem Reap–Angkor Intl

Tue 1/19

2:10 pm-2:10 pm

2 stops36h 00m

$1,186

Quickest round-trip

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 9/21

6:35 pm-12:15 pm

2 stops30h 40m

Siem Reap–Angkor Intl

Mon 9/28

12:55 pm-7:37 am

2 stops29h 42m

$1,191

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 2/15

8:40 pm-9:55 am

2 stops25h 15m

Siem Reap–Angkor Intl

Tue 2/23

4:50 pm-6:35 pm

2 stops37h 45m

$1,243

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 2/14

10:10 pm-9:10 pm

2 stops35h 00m

Siem Reap–Angkor Intl

Tue 2/23

11:50 pm-1:55 pm

2 stops50h 05m

$1,250

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Tue 1/12

10:41 am-9:55 am

3 stops35h 14m

Siem Reap–Angkor Intl

Tue 1/19

4:50 pm-6:48 pm

3 stops37h 58m

$1,272

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 2/14

10:10 pm-9:10 pm

2 stops35h 00m

Siem Reap–Angkor Intl

Wed 2/24

1:20 pm-1:55 pm

2 stops36h 35m

$1,280

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Sun 2/14

10:10 pm-9:10 pm

2 stops35h 00m

Siem Reap–Angkor Intl

Sat 2/20

11:50 pm-1:55 pm

2 stops50h 05m

$1,286

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 2/15

10:10 pm-12:40 pm

2 stops26h 30m

Siem Reap–Angkor Intl

Wed 2/24

1:20 pm-1:55 pm

2 stops36h 35m

$1,310

BostonSiem Reap

BOS Boston Logan Intl - SAI Siem Reap–Angkor Intl

BOSSAI

Boston Logan Intl

Mon 2/15

10:10 pm-12:40 pm

2 stops26h 30m

Siem Reap–Angkor Intl

Sat 2/20

11:50 pm-1:55 pm

2 stops50h 05m

$1,316

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	$641
Fastest flight time	24h 45m
Direct flights	None

The best one-way flight to Siem Reap from Boston in the past 72 hours is $641. The best round-trip flight deal from Boston to Siem Reap found on momondo in the last 72 hours is $1,141.

The fastest flight from Boston to Siem Reap takes 24h 45m

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

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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. 24h 45m 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 $641

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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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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