
$684 Cheap Cathay Pacific flights from Boston to Siem Reap Angkor Intl. Airport (BOS to SAI)
Find The Best Day To Fly from Boston to Siem Reap Angkor Intl. Airport
Amazing Cathay Pacific BOS to SAI Flight Deals
The cheapest flights to Siem Reap Angkor Intl. Airport found within the past 7 days were $1,189 round trip and $684 one way. Prices and availability subject to change. Additional terms may apply.
SAI From BOS Economy Coach Packages on Similar Airlines


Discover our best Cathay Pacific flight from Boston BOS to Siem Reap Angkor Intl. Airport SAI
To find the best deals on flights to Boston from Siem Reap Angkor Intl. Airport with Cathay Pacific, just enter your travel dates, filter by Cathay Pacific, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Boston BOS to Siem Reap Angkor Intl. Airport SAI with Cathay Pacific
If you’re planning a round trip, booking return flights with Cathay Pacific is usually the most cost-effective option. With airfares ranging from $1,189 to $1,292, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Cathay Pacific flights from Boston BOS to Siem Reap Angkor Intl. Airport SAI
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Cathay Pacific flight from Boston to Siem Reap Angkor Intl. Airport costs from $684. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Siem Reap Angkor Intl. Airport SAI from Boston BOS with Cathay Pacific
To find a cheap Cathay Pacific flight from Boston BOS to Siem Reap Angkor Intl. Airport SAI, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Cathay Pacific flights from Boston BOS to Siem Reap Angkor Intl. Airport SAI
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as November, or if you book a flight with a stopover.
Find nonstop flights from Boston BOS to Siem Reap Angkor Intl. Airport SAI with Cathay Pacific
If you’re keen to be on Siem Reap Angkor Intl. Airport soil fast, don’t waste time with a stopover—filter your search results to show direct Cathay Pacific flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Cathay Pacific flights from Boston BOS to Siem Reap Angkor Intl. Airport SAI
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Siem Reap Angkor Intl. Airport SAI from Boston BOS with Cathay Pacific on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| HKG | HKG | Hong Kong Intl. | 35 |
| ANC | USA | Ted Stevens Anchorage Intl. | 12 |
| PVG | CHN | Pudong Intl. | 3 |
| LAX | USA | Los Angeles Intl. | 3 |
| TPE | TWN | Taoyuan Intl. | 2 |
| SGN | VNM | Tan Son Nhat Intl. | 2 |
| DFW | USA | Dallas-Fort Worth Intl. | 2 |
| LHR | GBR | Heathrow | 2 |
| NRT | JPN | Narita Intl. | 2 |
| KIX | JPN | Kansai Intl. | 2 |
Travelers ❤️ these 🏨 after their flight to Siem Reap Angkor Intl. Airport

Courtyard by Marriott Siem Reap Resort
"Really beautiful, clean and serene place. The staff have the kindest hearts, from the restaurant team to the reception staff and everyone we met around the property. A special thanks to Sat at reception for such a warm welcome and for helping us with local information and arranging our restaurant ..."
Reviewed on Jul 20, 2026

Sokha Siem Reap Resort & Convention Center
"Everything was perfect"
Reviewed on Aug 2, 2026

Borei Angkor Resort & Spa
"This place is absolutely amazing. I am a world Traveler stay in hotels over 100 nights a year and this hotel has perhaps the best service I have experienced anywhere in the entire world. Everybody here greets you with a smile they are warm and they are friendly if you should sneeze they run to you ..."
Reviewed on Jul 30, 2026
