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Siem Reap

$516+ Cheap flights from Massachusetts to Siem Reap

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SAI
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Massachusetts to Siem Reap

Cheapest flights from Massachusetts to Siem Reap
Explore the most affordable flight options available from Massachusetts to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Justfly.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:05 am
BOS
-
SAI
3 stops35h 35m
Singapore Airlines
Mon 4/2010:30 am
SAI
-
BOS
2 stops48h 28m
Singapore Airlines
Deal found 2/2$1,193
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am
BOS
-
SAI
2 stops40h 20m
United Airlines
Sun 11/2210:45 am
SAI
-
BOS
2 stops50h 20m
United Airlines
Deal found 2/3$1,213
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:00 pm
BOS
-
SAI
2 stops27h 15m
Multiple Airlines
Tue 4/217:25 pm
SAI
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 2/2$1,228
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 pm
BOS
-
SAI
2 stops33h 45m
Multiple Airlines
Tue 4/217:25 pm
SAI
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 2/2$1,239
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:00 pm
BOS
-
SAI
2 stops27h 15m
Multiple Airlines
Sun 4/197:25 pm
SAI
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 2/2$1,268
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 pm
BOS
-
SAI
2 stops33h 45m
Multiple Airlines
Sun 4/197:25 pm
SAI
-
BOS
2 stops30h 40m
Multiple Airlines
Deal found 2/2$1,279
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:05 am
BOS
-
SAI
3 stops35h 35m
Singapore Airlines
Mon 4/2010:30 am
SAI
-
BOS
3 stops48h 29m
Singapore Airlines
Deal found 2/2$1,365
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:05 pm
BOS
-
SAI
3 stops31h 35m
Singapore Airlines
Tue 4/2110:30 am
SAI
-
BOS
2 stops48h 28m
Singapore Airlines
Deal found 2/2$1,414
This Qatar Airways deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:00 pm
BOS
-
SAI
2 stops24h 00m
Qatar Airways
Tue 4/1412:55 pm
SAI
-
BOS
2 stops37h 10m
Qatar Airways
Deal found 1/31$1,435
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:05 am
BOS
-
SAI
3 stops41h 05m
Singapore Airlines
Sun 4/1910:30 am
SAI
-
BOS
2 stops48h 28m
Singapore Airlines
Deal found 2/2$1,454
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:05 am
BOS
-
SAI
3 stops41h 05m
Singapore Airlines
Mon 4/2010:30 am
SAI
-
BOS
3 stops48h 29m
Singapore Airlines
Deal found 2/2$1,489

Find flight deals from Massachusetts to Siem Reap

Keep the following information in mind while searching for Massachusetts to Siem Reap flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,193
(Justfly.com)

One-way from

$516
(United Airlines)
Provider with most accurate pricing for Boston Logan Intl-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Siem Reap–Angkor Intl flights.
Search Deals
From Massachusetts to Siem Reap
Search Deals
One-way flight from Massachusetts to Siem Reap
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 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

Massachusetts

Fly to

Siem Reap

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

Tue 4/7

10:00 pm-12:15 pm

2 stops27h 15m

Siem Reap–Angkor Intl

Tue 4/21

7:25 pm-3:05 pm

2 stops30h 40m

$1,228

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 4/6

10:00 pm-12:15 pm

2 stops27h 15m

Siem Reap–Angkor Intl

Tue 4/21

7:25 pm-3:05 pm

2 stops30h 40m

$1,228

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

Tue 4/7

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

Tue 4/7

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

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.

Deals found on 2/2

Showing 1-10 of 14 results
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Best time to book a flight from Massachusetts to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Siem Reap
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to Region of Siem Reap?

    A quick flight from Massachusetts to Region of Siem Reap can take about 35h 35m. Singapore Airlines provides one of the quickest options available for as low as $1,193. Airlines will cover a distance of 8568 mi.

  • Can I find deals for flights from Massachusetts to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Siem Reap.

  • Can I find deals for business class flights from Massachusetts to Siem Reap?

    Yes. Cheapflights offers flight deals from Massachusetts to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Massachusetts to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
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Las Vegas to Siem Reap flights

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