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$1,352+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYX
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$1,352
(China Eastern)
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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 12/191:40 pmSEA - SYX
2 stops38h 15mMultiple Airlines
Wed 12/316:40 pmSYX - SEA
1 stop29h 25mMultiple Airlines
Deal found 9/13$2,826

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 September 16, 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 3/8

7:20 am-1:40 pm

2 stops39h 20m

Sanya Phoenix Intl

Thu 3/12

6:30 am-5:00 pm

2 stops25h 30m

$1,352

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 3/8

11:40 am-11:20 pm

1 stop20h 40m

Sanya Phoenix Intl

Thu 3/12

6:30 am-1:50 pm

1 stop22h 20m

$2,446

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 12/19

1:40 pm-7:55 pm

2 stops38h 15m

Sanya Phoenix Intl

Wed 12/31

6:40 pm-8:05 am

1 stop29h 25m

$2,826

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-1:10 am

2 stops34h 11m

Sanya Phoenix Intl

Thu 3/12

7:55 am-10:59 pm

2 stops30h 04m

$9,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 20h 40m. China Eastern provides one of the quickest options available for as low as $2,446. The distance between Seattle and Sanya is about 6875 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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