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Cheap flights from Massachusetts to Siem Reap from $516

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Siem Reap departing on 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
11:05 am - 9:40 am
BOS
-
SAI
35h 35m
3 stops
Singapore Airlines Logo
10:30 am - 11:58 pm
SAI
-
BOS
48h 28m
2 stops
$1,193Singapore Airlines
Tue, Apr 7 - Mon, Apr 20
Multiple Airlines Logo
10:00 pm - 12:15 pm
BOS
-
SAI
27h 15m
2 stops
Multiple Airlines Logo
7:25 pm - 3:05 pm
SAI
-
BOS
30h 40m
2 stops
$1,228Multiple Airlines
Mon, Apr 6 - Mon, Apr 20
Multiple Airlines Logo
10:00 pm - 6:45 pm
BOS
-
SAI
33h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 3:05 pm
SAI
-
BOS
30h 40m
2 stops
$1,239Multiple Airlines
Wed, Apr 8 - Tue, Apr 21
Singapore Airlines Logo
11:05 am - 9:40 am
BOS
-
SAI
35h 35m
3 stops
Singapore Airlines Logo
10:30 am - 9:24 pm
SAI
-
BOS
45h 54m
3 stops
$1,246Singapore Airlines
Tue, Apr 7 - Mon, Apr 20
Multiple Airlines Logo
10:00 pm - 12:15 pm
BOS
-
SAI
27h 15m
2 stops
Multiple Airlines Logo
7:25 pm - 3:05 pm
SAI
-
BOS
30h 40m
2 stops
$1,268Multiple Airlines
Mon, Apr 6 - Sun, Apr 19
Multiple Airlines Logo
10:00 pm - 6:45 pm
BOS
-
SAI
33h 45m
2 stops
Multiple Airlines Logo
7:25 pm - 3:05 pm
SAI
-
BOS
30h 40m
2 stops
$1,279Multiple Airlines
Wed, Apr 8 - Sun, Apr 19
Singapore Airlines Logo
11:05 am - 9:40 am
BOS
-
SAI
35h 35m
3 stops
Singapore Airlines Logo
10:30 am - 11:59 pm
SAI
-
BOS
48h 29m
3 stops
$1,365Singapore Airlines
Mon, Apr 6 - Mon, Apr 20
Singapore Airlines Logo
3:05 pm - 9:40 am
BOS
-
SAI
31h 35m
3 stops
Singapore Airlines Logo
10:30 am - 11:58 pm
SAI
-
BOS
48h 28m
2 stops
$1,414Singapore Airlines
Mon, Apr 6 - Tue, Apr 21
Qatar Airways Logo
10:00 pm - 9:00 am
BOS
-
SAI
24h 00m
2 stops
Qatar Airways Logo
12:55 pm - 3:05 pm
SAI
-
BOS
37h 10m
2 stops
$1,435Qatar Airways
Tue, Apr 7 - Tue, Apr 14
Singapore Airlines Logo
11:05 am - 3:10 pm
BOS
-
SAI
41h 05m
3 stops
Singapore Airlines Logo
10:30 am - 11:58 pm
SAI
-
BOS
48h 28m
2 stops
$1,454Singapore Airlines
Mon, Apr 6 - Sun, Apr 19

Qatar Airways flights from Massachusetts to Siem Reap

Our best Qatar Airways deals on Massachusetts to Siem Reap flight tickets
Qatar Airways
Apr 7
BOS10:00 pmBoston Logan Intl
24h 00m
2 stops
SAI9:00 amSiem Reap–Angkor Intl
Apr 14
SAI12:55 pmSiem Reap–Angkor Intl
37h 10m
2 stops
BOS3:05 pmBoston Logan Intl
$1,435
Qatar Airways
Jun 30
BOS5:56 pmBoston Logan Intl
31h 19m
3 stops
SAI12:15 pmSiem Reap–Angkor Intl
Jul 28
SAI7:25 pmSiem Reap–Angkor Intl
34h 25m
3 stops
BOS6:50 pmBoston Logan Intl
$3,426

Singapore Airlines flights from Massachusetts to Siem Reap

Our best Singapore Airlines deals on Massachusetts to Siem Reap flight tickets
Singapore Airlines
Apr 7
BOS11:05 amBoston Logan Intl
35h 35m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Apr 20
SAI10:30 amSiem Reap–Angkor Intl
48h 28m
2 stops
BOS11:58 pmBoston Logan Intl
$1,193
Singapore Airlines
Apr 7
BOS11:05 amBoston Logan Intl
35h 35m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Apr 20
SAI10:30 amSiem Reap–Angkor Intl
45h 54m
3 stops
BOS9:24 pmBoston Logan Intl
$1,246
Singapore Airlines
Apr 6
BOS11:05 amBoston Logan Intl
35h 35m
3 stops
SAI9:40 amSiem Reap–Angkor Intl
Apr 20
SAI10:30 amSiem Reap–Angkor Intl
48h 29m
3 stops
BOS11:59 pmBoston Logan Intl
$1,365

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Massachusetts to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 4/7

11:05 am-9:40 am

3 stops35h 35m

Siem Reap–Angkor Intl

Mon 4/20

10:30 am-11:58 pm

2 stops48h 28m

$1,193

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

10:00 pm-12:15 pm

2 stops27h 15m

Siem Reap–Angkor Intl

Mon 4/20

7:25 pm-3:05 pm

2 stops30h 40m

$1,228

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Wed 4/8

10:00 pm-6:45 pm

2 stops33h 45m

Siem Reap–Angkor Intl

Tue 4/21

7:25 pm-3:05 pm

2 stops30h 40m

$1,239

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 4/7

11:05 am-9:40 am

3 stops35h 35m

Siem Reap–Angkor Intl

Mon 4/20

10:30 am-9:24 pm

3 stops45h 54m

$1,246

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

10:00 pm-12:15 pm

2 stops27h 15m

Siem Reap–Angkor Intl

Sun 4/19

7:25 pm-3:05 pm

2 stops30h 40m

$1,268

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Wed 4/8

10:00 pm-6:45 pm

2 stops33h 45m

Siem Reap–Angkor Intl

Sun 4/19

7:25 pm-3:05 pm

2 stops30h 40m

$1,279

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

11:05 am-9:40 am

3 stops35h 35m

Siem Reap–Angkor Intl

Mon 4/20

10:30 am-11:59 pm

3 stops48h 29m

$1,365

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

3:05 pm-9:40 am

3 stops31h 35m

Siem Reap–Angkor Intl

Tue 4/21

10:30 am-11:58 pm

2 stops48h 28m

$1,414

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Tue 4/7

10:00 pm-9:00 am

2 stops24h 00m

Siem Reap–Angkor Intl

Tue 4/14

12:55 pm-3:05 pm

2 stops37h 10m

$1,435

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

11:05 am-3:10 pm

3 stops41h 05m

Siem Reap–Angkor Intl

Sun 4/19

10:30 am-11:58 pm

2 stops48h 28m

$1,454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Massachusetts 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 Massachusetts to Siem Reap–Angkor Intl?

United Airlines is the most popular carrier operating from Massachusetts to Siem Reap–Angkor Intl

Cheap Massachusetts to Siem Reap flight deals and tips

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

Fastest flight time

24h 00m

Direct flights

None
The fastest flight from Massachusetts to Siem Reap takes 24h 00m
There are no direct flights from Massachusetts to Siem Reap. There are no popular flight routes from Massachusetts to Siem Reap.
Search flight deals

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

    Prices for flights from Massachusetts to Siem Reap–Angkor Intl Airport are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Siem Reap–Angkor Intl Airport.

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

    The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 Massachusetts to Siem Reap?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Siem Reap. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Siem Reap from Massachusetts with this policy.

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

momondo provides multiple filters to help you find the best flight to Siem Reap from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Siem Reap from Massachusetts. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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.
First Class to Siem Reap
Business Class to Siem Reap