$615 Cheap Flights from Boston (BOS) to Sanya (SYX)

View $615 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Sanya (SYX-Phoenix Intl.)

Cheap Flights from Boston to Sanya (BOS-SYX)

Prices were available within the past 7 days and start at $615 for one-way flights and $1,327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Sun, Feb 15 - Sat, Mar 7
BOS
Boston
SYX
Sanya
$1,327 Roundtrip, found 3 days ago
$1,327
Roundtrip
found 3 days ago
Select Hainan Airlines flight, departing Sun, Feb 15 from Boston to Sanya, returning Sat, Mar 7, priced at $1,327 found 3 days ago
Qatar Airways
Fri, Mar 6 - Sun, Mar 22
BOS
Boston
SYX
Sanya
$1,420 Roundtrip, found 5 hours ago
$1,420
Roundtrip
found 5 hours ago
Select Qatar Airways flight, departing Fri, Mar 6 from Boston to Sanya, returning Sun, Mar 22, priced at $1,420 found 5 hours ago
JetBlue Airways
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,425 Roundtrip, found 5 days ago
$1,425
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,425 found 5 days ago
JetBlue Airways
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,431 Roundtrip, found 5 days ago
$1,431
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,431 found 5 days ago
American Airlines
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,435 Roundtrip, found 5 days ago
$1,435
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,435 found 5 days ago
JetBlue Airways
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,441 Roundtrip, found 5 days ago
$1,441
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,441 found 5 days ago
Qatar Airways
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,450 Roundtrip, found 5 days ago
$1,450
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,450 found 5 days ago
Qatar Airways
Mon, Nov 24 - Fri, Dec 5
BOS
Boston
SYX
Sanya
$1,452 Roundtrip, found 5 days ago
$1,452
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Mon, Nov 24 from Boston to Sanya, returning Fri, Dec 5, priced at $1,452 found 5 days ago
Qatar Airways
Thu, Feb 26 - Thu, Mar 12
BOS
Boston
SYX
Sanya
$1,460 Roundtrip, found 5 days ago
$1,460
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Feb 26 from Boston to Sanya, returning Thu, Mar 12, priced at $1,460 found 5 days ago
Cathay Pacific
Wed, Nov 19 - Sun, Nov 23
BOS
Boston
SYX
Sanya
$1,470 Roundtrip, found 1 day ago
$1,470
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Wed, Nov 19 from Boston to Sanya, returning Sun, Nov 23, priced at $1,470 found 1 day ago
Flights from Boston (BOS) to Sanya (SYX)
Origin airport
Logan Intl.
Destination airport
Phoenix Intl.
Airlines serving
Cathay Pacific, Hainan Airlines
Roundtrip price
$1,326
Distance
8244 mi

Boston to Sanya Flights

The cheapest times to fly from Boston to Sanya

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Sanya are during the month of February. You can find some of the cheapest flights from Boston to Sanya with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Sanya

Sunday is one of the best days to book for cheap flights from Boston to Sanya: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Sanya

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Sanya in 2025. You can also book with separate airlines for your outbound and return journeys, from $615 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Sanya flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Sanya airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX) cost?
Secure a cheap one-way flight from $615 or cheap return flight from $1,327 from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX)?
February is the most affordable month to fly from BOS to SYX. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX)?
To find the cheapest airline that'll fly you from BOS to SYX, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX)?
You'll need to book a flight with a layover if you're traveling from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BOS to SYX?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX)?
Opt for a flight from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX) last-minute?
Booking your plane ticket from BOS to SYX just before your journey is usually more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a BOS to SYX flight and hotel package?
You'll generally save money by securing a BOS to SYX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal flights and accommodations, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Phoenix Intl. Airport (SYX)?
You can usually cancel or reschedule your BOS to SYX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.