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Sanya

$1,036+ Cheap flights from Seattle (SEA) to Sanya (SYX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$840
(Trip.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Sanya Phoenix Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sanya Phoenix Intl flights.
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From Seattle/Tacoma Intl to Sanya Phoenix Intl
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Find 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:10 amSEA - SYX
2 stops28h 55mMultiple Airlines
Mon 12/812:25 pmSYX - SEA
3 stops46h 51mMultiple Airlines
Deal found 10/29$1,036
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:00 pmSEA - SYX
2 stops32h 05mMultiple Airlines
Tue 12/2311:35 pmSYX - SEA
3 stops35h 05mMultiple Airlines
Deal found 10/29$1,477

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 October 30, 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

Sun 11/30

12:10 am-9:05 pm

2 stops28h 55m

Sanya Phoenix Intl

Mon 12/8

12:25 pm-7:16 pm

3 stops46h 51m

$1,036

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sat 2/28

12:10 am-9:05 pm

2 stops28h 55m

Sanya Phoenix Intl

Sun 3/8

10:05 pm-7:10 pm

2 stops36h 05m

$1,128

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 3/8

7:20 am-1:40 pm

2 stops39h 20m

Sanya Phoenix Intl

Thu 3/12

6:30 am-6:25 pm

2 stops26h 55m

$1,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October.
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.

  • 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.

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