$441 Cheap flight deals from Boston (BOS) to Siem Reap (SAI)

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Airfares from $441 One Way, $982 Round Trip from Boston to Siem Reap

Prices starting at $982 for return flights and $441 for one-way flights to Siem Reap were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 3 - Tue, Mar 3
BOS
Boston
SAI
Siem Reap
$982 Roundtrip, found 6 days ago
$982
Roundtrip
found 6 days ago
Select United flight, departing Tue, Feb 3 from Boston to Siem Reap, returning Tue, Mar 3, priced at $982 found 6 days ago
Tue, Feb 3 - Tue, Mar 3
BOS
Boston
SAI
Siem Reap
$986 Roundtrip, found 6 days ago
$986
Roundtrip
found 6 days ago
Select United flight, departing Tue, Feb 3 from Boston to Siem Reap, returning Tue, Mar 3, priced at $986 found 6 days ago
Wed, Apr 15 - Tue, Apr 28
BOS
Boston
SAI
Siem Reap
$1,109 Roundtrip, found 5 days ago
$1,109
Roundtrip
found 5 days ago
Select Korean Air flight, departing Wed, Apr 15 from Boston to Siem Reap, returning Tue, Apr 28, priced at $1,109 found 5 days ago
Tue, Feb 3 - Tue, Mar 3
BOS
Boston
SAI
Siem Reap
$1,241 Roundtrip, found 6 days ago
$1,241
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Tue, Feb 3 from Boston to Siem Reap, returning Tue, Mar 3, priced at $1,241 found 6 days ago
Wed, May 6 - Fri, May 15
BOS
Boston
SAI
Siem Reap
$1,304 Roundtrip, found 18 hours ago
$1,304
Roundtrip
found 18 hours ago
Select Qatar Airways flight, departing Wed, May 6 from Boston to Siem Reap, returning Fri, May 15, priced at $1,304 found 18 hours ago

More About Flying To Siem Reap from Boston

Route Information for Flights from Boston to Siem Reap

Origin Airport IATA Code
BOS
Destination Airport IATA Code
SAI
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Boston to Siem Reap

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You can always find affordable flights from Boston to Siem Reap on Orbitz. Use different airlines to book arrival and departure flights, take advantage of vacation package deals, and secure exclusive rewards.

Frequently asked questions

What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.