Earn point on your loyalty program!arrow arc left

Cheap flights from Seattle (BFI) to Sanya (SYX)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)

How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Seattle to Sanya in July , August 2026

30 Jul - 31 Aug $ 2,120.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
31 Jul - 31 Aug $ 2,166.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Jul - 27 Aug $ 2,266.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to Sanya

27 Jul - 02 Aug $ 2,919.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Jul - 02 Aug $ 2,959.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Jul - 02 Aug $ 2,992.00
BFI
Seattle
Air Excursions
3 STOPS
SYX
Sanya
SYX
Sanya
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to Sanya from Seattle

8:05 PM - 8:40 AM
Xiamen Airlines
3 Stops
47h 55m
BFI - SYX
$ 1,057
Kiwi
Pick dates
5:25 AM - 10:55 AM
Hong Kong Airlines
3 Stops
40h 20m
BFI - SYX
$ 1,136
Kiwi
Pick dates
2:45 PM - 10:55 AM
Hong Kong Airlines
3 Stops
31h
BFI - SYX
$ 1,209
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Sanya (SYX)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.