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.

$634 Cheap Flights from Boston to Siem Reap in 2026

Find the cheapest flights from Boston to Siem Reap

Round-trip

One-way

Cheap round-trip flights

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1:45 am - 6:55 pm

BOS

SAI

30h 10m

2 stops

9:40 am - 11:05 pm

SAI

BOS

24h 25m

2 stops

$1,149Multiple Airlines

Wed, Aug 26 - Fri, Sep 11

4:25 pm - 11:15 am

BOS

SAI

55h 50m

2 stops

3:10 pm - 2:40 pm

SAI

BOS

34h 30m

2 stops

$1,225Multiple Airlines

Tue, Sep 1 - Sat, Oct 3

12:44 pm - 9:40 am

BOS

SAI

33h 56m

3 stops

4:00 pm - 4:59 pm

SAI

BOS

35h 59m

3 stops

$1,348Singapore Airlines

Thu, Aug 27 - Fri, Sep 11

11:05 pm - 12:15 pm

BOS

SAI

26h 10m

2 stops

11:50 pm - 2:30 pm

SAI

BOS

49h 40m

2 stops

$1,365Emirates

Sat, Oct 10 - Sat, Oct 24

8:20 pm - 6:20 pm

BOS

SAI

35h 00m

3 stops

9:40 am - 11:05 pm

SAI

BOS

24h 25m

2 stops

$1,400Multiple Airlines

Tue, Sep 1 - Sat, Oct 3

4:25 pm - 11:15 am

BOS

SAI

31h 50m

2 stops

9:10 pm - 9:51 pm

SAI

BOS

35h 41m

3 stops

$1,421Multiple Airlines

Thu, Aug 27 - Fri, Sep 11

5:00 pm - 9:30 pm

BOS

SAI

65h 30m

3 stops

11:50 pm - 2:30 pm

SAI

BOS

49h 40m

2 stops

$1,549Emirates

Sat, Oct 10 - Sat, Oct 24

2:40 pm - 9:40 am

BOS

SAI

32h 00m

3 stops

10:30 am - 11:54 pm

SAI

BOS

48h 24m

3 stops

$1,567Singapore Airlines

Tue, Sep 1 - Sat, Oct 3

4:25 pm - 6:55 pm

BOS

SAI

39h 30m

2 stops

7:20 pm - 2:40 pm

SAI

BOS

54h 20m

2 stops

$1,617Multiple Airlines

Sun, Jul 26 - Sun, Aug 2

4:40 pm - 11:15 am

BOS

SAI

31h 35m

2 stops

9:40 am - 2:10 pm

SAI

BOS

39h 30m

2 stops

$1,652Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

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Singapore Airlines flights from Boston to Siem Reap

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

Singapore Airlines

Aug 27

BOS12:44 pmBoston Logan Intl

33h 56m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

Sep 11

SAI4:00 pmSiem Reap–Angkor Intl

35h 59m

3 stops

BOS4:59 pmBoston Logan Intl

$1,348

Singapore Airlines

Sep 1

BOS2:40 pmBoston Logan Intl

32h 00m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

Oct 3

SAI10:30 amSiem Reap–Angkor Intl

48h 24m

3 stops

BOS11:54 pmBoston Logan Intl

$1,567

Singapore Airlines

Dec 31

BOS11:00 amBoston Logan Intl

40h 55m

3 stops

SAI3:55 pmSiem Reap–Angkor Intl

Jan 6

SAI4:45 pmSiem Reap–Angkor Intl

38h 03m

3 stops

BOS6:48 pmBoston Logan Intl

$2,134

Emirates flights from Boston to Siem Reap

Our best Emirates deals on Boston to Siem Reap flight tickets

Emirates

Oct 10

BOS11:05 pmBoston Logan Intl

26h 10m

2 stops

SAI12:15 pmSiem Reap–Angkor Intl

Oct 24

SAI11:50 pmSiem Reap–Angkor Intl

49h 40m

2 stops

BOS2:30 pmBoston Logan Intl

$1,365

Emirates

Oct 10

BOS5:00 pmBoston Logan Intl

65h 30m

3 stops

SAI9:30 pmSiem Reap–Angkor Intl

Oct 24

SAI11:50 pmSiem Reap–Angkor Intl

49h 40m

2 stops

BOS2:30 pmBoston Logan Intl

$1,549

Emirates

Dec 30

BOS10:10 pmBoston Logan Intl

26h 30m

2 stops

SAI12:40 pmSiem Reap–Angkor Intl

Jan 9

SAI11:50 pmSiem Reap–Angkor Intl

50h 05m

2 stops

BOS1:55 pmBoston Logan Intl

$1,823

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Wed 8/26

1:45 am-6:55 pm

2 stops30h 10m

Siem Reap–Angkor Intl

Fri 9/11

9:40 am-11:05 pm

2 stops24h 25m

$1,149

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 9/1

4:25 pm-11:15 am

2 stops55h 50m

Siem Reap–Angkor Intl

Sat 10/3

3:10 pm-2:40 pm

2 stops34h 30m

$1,225

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Thu 8/27

12:44 pm-9:40 am

3 stops33h 56m

Siem Reap–Angkor Intl

Fri 9/11

4:00 pm-4:59 pm

3 stops35h 59m

$1,348

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Sat 10/10

11:05 pm-12:15 pm

2 stops26h 10m

Siem Reap–Angkor Intl

Sat 10/24

11:50 pm-2:30 pm

2 stops49h 40m

$1,365

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 9/1

8:20 pm-6:20 pm

3 stops35h 00m

Siem Reap–Angkor Intl

Sat 10/3

9:40 am-11:05 pm

2 stops24h 25m

$1,400

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Thu 8/27

4:25 pm-11:15 am

2 stops31h 50m

Siem Reap–Angkor Intl

Fri 9/11

9:10 pm-9:51 pm

3 stops35h 41m

$1,421

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Sat 10/10

5:00 pm-9:30 pm

3 stops65h 30m

Siem Reap–Angkor Intl

Sat 10/24

11:50 pm-2:30 pm

2 stops49h 40m

$1,549

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 9/1

2:40 pm-9:40 am

3 stops32h 00m

Siem Reap–Angkor Intl

Sat 10/3

10:30 am-11:54 pm

3 stops48h 24m

$1,567

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Sun 7/26

4:25 pm-6:55 pm

2 stops39h 30m

Siem Reap–Angkor Intl

Sun 8/2

7:20 pm-2:40 pm

2 stops54h 20m

$1,617

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Sat 8/22

4:40 pm-11:15 am

2 stops31h 35m

Siem Reap–Angkor Intl

Sat 8/29

9:40 am-2:10 pm

2 stops39h 30m

$1,652

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

Fastest flight time	26h 10m
Direct flights	None

The fastest flight from Boston to Siem Reap takes 26h 10m

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. 26h 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 $634

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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Singapore Airlines flights from Boston to Siem Reap

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Emirates flights from Boston to Siem Reap

Our best Emirates 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

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

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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