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Cheap flights from Seattle to Sanya from $962

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Sanya departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Sanya

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:45 pm - 1:35 pm
SEA
-
SYX
49h 50m
2 stops
Multiple Airlines Logo
2:45 pm - 4:57 pm
SYX
-
SEA
41h 12m
2 stops
$962Multiple Airlines
Wed, Sep 16 - Wed, Oct 14
Multiple Airlines Logo
11:10 pm - 10:55 pm
SEA
-
SYX
56h 45m
3 stops
Multiple Airlines Logo
7:25 am - 8:05 pm
SYX
-
SEA
51h 40m
3 stops
$1,188Multiple Airlines
Wed, Sep 16 - Wed, Oct 14
Multiple Airlines Logo
12:55 am - 8:30 pm
SEA
-
SYX
28h 35m
2 stops
Multiple Airlines Logo
1:45 pm - 2:55 pm
SYX
-
SEA
40h 10m
3 stops
$1,360Multiple Airlines
Tue, Sep 15 - Wed, Oct 14
Multiple Airlines Logo
1:30 am - 12:45 pm
SEA
-
SYX
20h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 9:05 am
SYX
-
SEA
27h 35m
1 stop
$1,363Multiple Airlines
Tue, Sep 15 - Wed, Oct 14
Multiple Airlines Logo
11:45 am - 10:10 am
SEA
-
SYX
31h 25m
1 stop
Multiple Airlines Logo
8:30 pm - 9:05 am
SYX
-
SEA
27h 35m
1 stop
$1,422Multiple Airlines
Wed, Sep 16 - Wed, Oct 14
Multiple Airlines Logo
5:15 pm - 12:45 pm
SEA
-
SYX
52h 30m
3 stops
Multiple Airlines Logo
1:45 pm - 1:25 pm
SYX
-
SEA
38h 40m
3 stops
$1,481Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
5:15 pm - 12:45 pm
SEA
-
SYX
52h 30m
2 stops
Multiple Airlines Logo
1:45 pm - 1:25 pm
SYX
-
SEA
38h 40m
2 stops
$1,490Multiple Airlines
Sun, May 31 - Sun, Jun 7
Multiple Airlines Logo
5:15 pm - 12:45 pm
SEA
-
SYX
52h 30m
2 stops
Multiple Airlines Logo
1:45 pm - 1:25 pm
SYX
-
SEA
38h 40m
3 stops
$1,491Multiple Airlines
Sun, May 31 - Sun, Jun 7
China Eastern Logo
7:20 am - 1:05 pm
SEA
-
SYX
38h 45m
2 stops
China Eastern Logo
6:45 am - 4:55 pm
SYX
-
SEA
25h 10m
2 stops
$1,759China Eastern
Sun, Sep 6 - Thu, Sep 10
China Eastern Logo
7:20 am - 4:20 pm
SEA
-
SYX
42h 00m
2 stops
China Eastern Logo
6:45 am - 3:24 pm
SYX
-
SEA
23h 39m
2 stops
$1,764China Eastern
Sun, Sep 6 - Thu, Sep 10

China Eastern flights from Seattle to Sanya

Our best China Eastern deals on Seattle to Sanya flight tickets
China Eastern
Sep 6
SEA7:20 amSeattle/Tacoma Intl
38h 45m
2 stops
SYX1:05 pmSanya Phoenix Intl
Sep 10
SYX6:45 amSanya Phoenix Intl
25h 10m
2 stops
SEA4:55 pmSeattle/Tacoma Intl
$1,759
China Eastern
Sep 6
SEA7:20 amSeattle/Tacoma Intl
42h 00m
2 stops
SYX4:20 pmSanya Phoenix Intl
Sep 10
SYX6:45 amSanya Phoenix Intl
23h 39m
2 stops
SEA3:24 pmSeattle/Tacoma Intl
$1,764
China Eastern
Sep 6
SEA7:20 amSeattle/Tacoma Intl
38h 45m
2 stops
SYX1:05 pmSanya Phoenix Intl
Sep 10
SYX5:30 pmSanya Phoenix Intl
38h 25m
2 stops
SEA4:55 pmSeattle/Tacoma Intl
$1,784

momondo 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, momondo users made 832,500 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Seattle to Sanya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 9/16

8:45 pm-1:35 pm

2 stops49h 50m

Sanya Phoenix Intl

Wed 10/14

2:45 pm-4:57 pm

2 stops41h 12m

$962

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 9/16

11:10 pm-10:55 pm

3 stops56h 45m

Sanya Phoenix Intl

Wed 10/14

7:25 am-8:05 pm

3 stops51h 40m

$1,188

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 9/15

12:55 am-8:30 pm

2 stops28h 35m

Sanya Phoenix Intl

Wed 10/14

1:45 pm-2:55 pm

3 stops40h 10m

$1,360
Quickest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 9/15

1:30 am-12:45 pm

2 stops20h 15m

Sanya Phoenix Intl

Wed 10/14

8:30 pm-9:05 am

1 stop27h 35m

$1,363

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 9/16

11:45 am-10:10 am

1 stop31h 25m

Sanya Phoenix Intl

Wed 10/14

8:30 pm-9:05 am

1 stop27h 35m

$1,422

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 5/31

5:15 pm-12:45 pm

3 stops52h 30m

Sanya Phoenix Intl

Sun 6/7

1:45 pm-1:25 pm

3 stops38h 40m

$1,481

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 5/31

5:15 pm-12:45 pm

2 stops52h 30m

Sanya Phoenix Intl

Sun 6/7

1:45 pm-1:25 pm

2 stops38h 40m

$1,490

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 5/31

5:15 pm-12:45 pm

2 stops52h 30m

Sanya Phoenix Intl

Sun 6/7

1:45 pm-1:25 pm

3 stops38h 40m

$1,491

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 9/6

7:20 am-1:05 pm

2 stops38h 45m

Sanya Phoenix Intl

Thu 9/10

6:45 am-4:55 pm

2 stops25h 10m

$1,759

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 9/6

7:20 am-4:20 pm

2 stops42h 00m

Sanya Phoenix Intl

Thu 9/10

6:45 am-3:24 pm

2 stops23h 39m

$1,764

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Sanya

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Sanya according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Sanya (SEA to SYX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sanya

Fastest flight time

26h 50m

Direct flights

None
The fastest flight from Seattle to Sanya takes 26h 50m
There are no direct flights from Seattle to Sanya. There are no popular flight routes from Seattle to Sanya.
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Frequently asked questions about flying from Seattle to Sanya

  • How far is Seattle/Tacoma Intl to Sanya Phoenix Intl by plane?

    Seattle/Tacoma Intl and Sanya Phoenix Intl are 6867.1 mi apart from one another. Flights usually cover this in 26h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Sanya Phoenix Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Sanya Phoenix Intl Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Sanya Phoenix Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sanya Phoenix Intl Airport.

  • What documentation or ID do you need to fly to Sanya Phoenix Intl Airport?

    The required travel and health documents for your Sanya Phoenix Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sanya Phoenix Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Seattle to Sanya

  • How do I get Price Alerts for flights from Seattle to Sanya?

    Price Alerts will notify you by email when the price for flights to Sanya from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Seattle to Sanya with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Sanya?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Sanya. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Sanya with flexible booking policies on momondo?

All flight searches from Seattle to Sanya on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Sanya?

momondo helps you find the best flight between Seattle and Sanya by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Sanya right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Sanya now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sanya and let you know when they change.

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