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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Siem Reap.

What documentation or ID do you need to fly to Siem Reap?

The required travel and health documents for your Siem Reap trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$756 Cheap Flights from Boston to Siem Reap in 2026

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Find the cheapest flights from Boston to Siem Reap

Round-trip

One-way

Cheap round-trip flights

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11:05 pm - 9:30 pm

BOS

SAI

35h 25m

1 stop

11:50 pm - 2:10 pm

SAI

BOS

25h 20m

1 stop

$1,189Emirates

Thu, May 14 - Thu, May 21

11:05 pm - 9:30 pm

BOS

SAI

35h 25m

2 stops

11:50 pm - 2:10 pm

SAI

BOS

25h 20m

1 stop

$1,190Emirates

Thu, May 14 - Thu, May 21

11:05 pm - 9:30 pm

BOS

SAI

35h 25m

2 stops

11:50 pm - 2:10 pm

SAI

BOS

49h 20m

2 stops

$1,191Emirates

Thu, May 14 - Thu, May 21

4:25 pm - 9:00 am

BOS

SAI

29h 35m

2 stops

7:10 pm - 3:10 pm

SAI

BOS

55h 00m

2 stops

$1,289Multiple Airlines

Mon, Aug 3 - Sun, Oct 25

11:05 pm - 12:15 pm

BOS

SAI

50h 10m

2 stops

12:55 pm - 2:10 pm

SAI

BOS

36h 15m

2 stops

$1,290Emirates

Mon, Jun 8 - Fri, Jun 12

1:45 am - 6:55 pm

BOS

SAI

30h 10m

2 stops

9:40 am - 11:05 pm

SAI

BOS

24h 25m

2 stops

$1,319Multiple Airlines

Sun, Aug 2 - Fri, Aug 21

11:05 pm - 12:15 pm

BOS

SAI

26h 10m

2 stops

12:55 pm - 2:10 pm

SAI

BOS

36h 15m

2 stops

$1,418Emirates

Mon, Aug 3 - Fri, Aug 21

11:05 pm - 12:15 pm

BOS

SAI

50h 10m

2 stops

12:55 pm - 2:10 pm

SAI

BOS

36h 15m

2 stops

$1,455Emirates

Mon, Aug 3 - Fri, Aug 21

5:00 pm - 9:30 pm

BOS

SAI

65h 30m

3 stops

12:55 pm - 2:10 pm

SAI

BOS

60h 15m

2 stops

$1,495Emirates

Mon, Jun 8 - Fri, Jun 12

5:46 pm - 12:15 pm

BOS

SAI

31h 29m

3 stops

7:25 pm - 3:20 pm

SAI

BOS

30h 55m

2 stops

$1,557Multiple Airlines

Mon, Aug 3 - Sun, Oct 25

Emirates flights from Boston to Region of Siem Reap

Our best Emirates deals on Boston to Region of Siem Reap flight tickets

Emirates

May 14

BOS11:05 pmBoston Logan Intl

35h 25m

1 stop

SAI9:30 pmSiem Reap–Angkor Intl

May 21

SAI11:50 pmSiem Reap–Angkor Intl

25h 20m

1 stop

BOS2:10 pmBoston Logan Intl

$1,189

Emirates

May 14

BOS11:05 pmBoston Logan Intl

35h 25m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

May 21

SAI11:50 pmSiem Reap–Angkor Intl

25h 20m

1 stop

BOS2:10 pmBoston Logan Intl

$1,190

Emirates

May 14

BOS11:05 pmBoston Logan Intl

35h 25m

2 stops

SAI9:30 pmSiem Reap–Angkor Intl

May 21

SAI11:50 pmSiem Reap–Angkor Intl

49h 20m

2 stops

BOS2:10 pmBoston Logan Intl

$1,191

Singapore Airlines flights from Boston to Region of Siem Reap

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

Singapore Airlines

Aug 3

BOS6:00 amBoston Logan Intl

40h 40m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

Aug 21

SAI4:00 pmSiem Reap–Angkor Intl

36h 15m

3 stops

BOS5:15 pmBoston Logan Intl

$2,485

Singapore Airlines

Aug 3

BOS4:30 pmBoston Logan Intl

35h 40m

3 stops

SAI3:10 pmSiem Reap–Angkor Intl

Aug 21

SAI10:30 amSiem Reap–Angkor Intl

41h 45m

3 stops

BOS5:15 pmBoston Logan Intl

$2,733

Singapore Airlines

Aug 28

BOS12:42 pmBoston Logan Intl

33h 58m

3 stops

SAI9:40 amSiem Reap–Angkor Intl

Sep 2

SAI4:00 pmSiem Reap–Angkor Intl

35h 40m

2 stops

BOS4:40 pmBoston Logan Intl

$2,765

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Thu 5/14

11:05 pm-9:30 pm

1 stop35h 25m

Siem Reap–Angkor Intl

Thu 5/21

11:50 pm-2:10 pm

1 stop25h 20m

$1,189

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Thu 5/14

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Thu 5/21

11:50 pm-2:10 pm

1 stop25h 20m

$1,190

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Thu 5/14

11:05 pm-9:30 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Thu 5/21

11:50 pm-2:10 pm

2 stops49h 20m

$1,191

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 8/3

4:25 pm-9:00 am

2 stops29h 35m

Siem Reap–Angkor Intl

Sun 10/25

7:10 pm-3:10 pm

2 stops55h 00m

$1,289

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 6/8

11:05 pm-12:15 pm

2 stops50h 10m

Siem Reap–Angkor Intl

Fri 6/12

12:55 pm-2:10 pm

2 stops36h 15m

$1,290

Quickest round-trip

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Sun 8/2

1:45 am-6:55 pm

2 stops30h 10m

Siem Reap–Angkor Intl

Fri 8/21

9:40 am-11:05 pm

2 stops24h 25m

$1,319

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 8/3

11:05 pm-12:15 pm

2 stops26h 10m

Siem Reap–Angkor Intl

Fri 8/21

12:55 pm-2:10 pm

2 stops36h 15m

$1,418

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 8/3

11:05 pm-12:15 pm

2 stops50h 10m

Siem Reap–Angkor Intl

Fri 8/21

12:55 pm-2:10 pm

2 stops36h 15m

$1,455

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 6/8

5:00 pm-9:30 pm

3 stops65h 30m

Siem Reap–Angkor Intl

Fri 6/12

12:55 pm-2:10 pm

2 stops60h 15m

$1,495

BostonSiem Reap

BOS - SAI

BOSSAI

Boston Logan Intl

Mon 8/3

5:46 pm-12:15 pm

3 stops31h 29m

Siem Reap–Angkor Intl

Sun 10/25

7:25 pm-3:20 pm

2 stops30h 55m

$1,557

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Boston to Region of 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?

Qatar Airways is the most popular carrier operating from Boston Logan Intl to Siem Reap

Cheap Boston to Region of Siem Reap flight deals and tips

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

Fastest flight time	35h 25m
Direct flights	None

The fastest flight from Boston to Region of Siem Reap takes 35h 25m

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

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Frequently asked questions about flying from Boston to Siem Reap

When did momondo last update prices for flights from Boston Logan Intl Airport to Siem Reap?
Prices for flights from Boston Logan Intl Airport to Siem Reap were last updated today.
How old do you have to be to fly from Boston Logan Intl Airport to Siem Reap?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Siem Reap.
What documentation or ID do you need to fly to Siem Reap?
The required travel and health documents for your Siem Reap trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Siem Reap. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Siem Reap from Boston which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Boston to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Siem Reap, momondo offers a useful price alert feature which will track prices for flights to Siem Reap from Boston and alert you when they change.

An easier way to manage your Region of Siem Reap trip

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Cheap flights from Boston to Siem Reap from $756

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 6/11. 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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Filter for what you want

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Emirates flights from Boston to Region of Siem Reap

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

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Cheap Boston to Region of Siem Reap flight deals and tips

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

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Direct flights

Frequently asked questions about flying from Boston to Siem Reap

Why use momondo?

An easier way to manage your Region of 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 Siem Reap

Popular cities in Siem Reap

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

Boston flight routes

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

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