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Sanya

$395+ Cheap flights from Seattle (SEA) to Sanya (SYX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Seattle to Sanya

Cheapest flights from Seattle to Sanya
Explore the most affordable flight options available from Seattle to Sanya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amSEA - SYX
1 stop22h 35mHainan Airlines
Wed 12/316:40 pmSYX - SEA
1 stop29h 25mHainan Airlines
Deal found 12/13$2,016
This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amSEA - SYX
1 stop22h 35mHainan Airlines
Mon 12/298:30 pmSYX - SEA
1 stop27h 30mHainan Airlines
Deal found 12/13$2,021
This IEagle deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:00 amSEA - SYX
1 stop35h 10mHainan Airlines
Wed 12/316:40 pmSYX - SEA
1 stop29h 25mHainan Airlines
Deal found 12/13$2,039
This IEagle deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:00 amSEA - SYX
1 stop21h 25mHainan Airlines
Mon 12/297:30 pmSYX - SEA
1 stop28h 30mHainan Airlines
Deal found 12/13$2,044
This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amSEA - SYX
1 stop35h 50mHainan Airlines
Sun 12/2811:05 pmSYX - SEA
2 stops48h 55mHainan Airlines
Deal found 12/13$2,074
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amSEA - SYX
1 stop22h 35mMultiple Airlines
Sat 12/279:05 pmSYX - SEA
2 stops29h 30mMultiple Airlines
Deal found 12/13$2,084
This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:05 amSEA - SYX
1 stop35h 50mHainan Airlines
Tue 12/309:40 pmSYX - SEA
2 stops50h 25mHainan Airlines
Deal found 12/13$2,099

Find flight deals from Seattle to Sanya

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sanya (SYX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$784
(Trip.com)

One-way from

$395
(Trip.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Sanya Phoenix Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sanya Phoenix Intl flights.
Search Deals
From Seattle/Tacoma Intl to Sanya Phoenix Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Sanya Phoenix Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Sanya that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Seattle to Sanya that are best for you.

Fly from

Seattle

Fly to

Sanya

Route

Depart

Return

Price

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Mon 1/26

12:10 am-9:05 pm

2 stops28h 55m

Sanya Phoenix Intl

Tue 2/3

10:05 pm-1:55 pm

2 stops31h 50m

$784

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 1/27

10:00 am-12:15 pm

1 stop34h 15m

Sanya Phoenix Intl

Tue 2/3

9:40 pm-8:05 am

2 stops50h 25m

$1,185

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/25

10:05 am-12:40 am

1 stop22h 35m

Sanya Phoenix Intl

Wed 12/31

6:40 pm-8:05 am

1 stop29h 25m

$2,016

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/25

10:05 am-12:40 am

1 stop22h 35m

Sanya Phoenix Intl

Mon 12/29

8:30 pm-8:00 am

1 stop27h 30m

$2,021

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/25

10:05 am-1:55 pm

1 stop35h 50m

Sanya Phoenix Intl

Tue 12/30

9:40 pm-8:05 am

2 stops50h 25m

$2,099

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 1/16

12:10 am-10:30 am

2 stops42h 20m

$420

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 1/14

12:10 am-10:30 am

2 stops42h 20m

$424

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 1/21

12:10 am-10:30 am

2 stops42h 20m

$434

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Mon 1/19

12:10 am-7:55 pm

2 stops51h 45m

$434

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 1/9

3:45 pm-7:55 pm

2 stops36h 10m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
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Compare providers for flights from Seattle to Sanya

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Sanya in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Sanya flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Sanya flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Sanya flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Sanya flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Sanya flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Sanya

Have a flexible travel schedule? Discover the best time to fly to Sanya from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sanya. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Sanya?

    A quick flight from Seattle to Sanya can take about 34h 15m. Hainan Airlines provides one of the quickest options available for as low as $1,185. The distance between Seattle and Sanya is about 6875 mi.

  • Can I find deals for flights from Seattle to Sanya that include hotel bookings?

    Yes. In addition to deals on Seattle to Sanya flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Sanya?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sanya.

  • Can I find deals for business class flights from Seattle to Sanya?

    Yes. Cheapflights offers flight deals from Seattle to Sanya by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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