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Cheap flights from Seattle to Sanya from $787

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 4/15. 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
6:59 pm - 1:10 am
SEA
-
SYX
39h 11m
2 stops
Multiple Airlines Logo
2:45 pm - 6:40 pm
SYX
-
SEA
42h 55m
2 stops
$787Multiple Airlines
dc., abr. 15 - dc., abr. 22
Multiple Airlines Logo
7:35 am - 1:10 am
SEA
-
SYX
26h 35m
2 stops
Multiple Airlines Logo
2:45 pm - 5:38 pm
SYX
-
SEA
41h 53m
2 stops
$858Multiple Airlines
dg., abr. 19 - dg., abr. 26
Multiple Airlines Logo
6:25 am - 1:10 am
SEA
-
SYX
27h 45m
2 stops
Multiple Airlines Logo
6:40 am - 5:38 pm
SYX
-
SEA
25h 58m
2 stops
$883Multiple Airlines
dv., abr. 17 - dv., abr. 24
Multiple Airlines Logo
11:45 am - 8:30 pm
SEA
-
SYX
17h 45m
1 stop
Multiple Airlines Logo
1:45 pm - 6:50 pm
SYX
-
SEA
44h 05m
2 stops
$969Multiple Airlines
dc., abr. 15 - dc., abr. 22
Multiple Airlines Logo
1:15 am - 12:45 pm
SEA
-
SYX
44h 30m
2 stops
Multiple Airlines Logo
7:20 pm - 3:08 pm
SYX
-
SEA
34h 48m
3 stops
$1,142Multiple Airlines
dt., abr. 14 - dc., abr. 22
Multiple Airlines Logo
11:45 am - 8:30 pm
SEA
-
SYX
17h 45m
1 stop
Multiple Airlines Logo
8:30 pm - 9:05 am
SYX
-
SEA
27h 35m
1 stop
$1,173Multiple Airlines
dc., abr. 15 - dc., abr. 22
Multiple Airlines Logo
1:15 am - 12:45 pm
SEA
-
SYX
44h 30m
2 stops
Multiple Airlines Logo
7:20 pm - 3:05 pm
SYX
-
SEA
34h 45m
3 stops
$1,213Multiple Airlines
ds., abr. 18 - dg., abr. 26
Multiple Airlines Logo
7:51 pm - 12:45 pm
SEA
-
SYX
25h 54m
2 stops
Multiple Airlines Logo
1:45 pm - 10:05 am
SYX
-
SEA
35h 20m
1 stop
$1,240Multiple Airlines
dg., abr. 19 - dg., abr. 26
Multiple Airlines Logo
1:15 am - 12:45 pm
SEA
-
SYX
44h 30m
2 stops
Multiple Airlines Logo
8:25 pm - 3:05 pm
SYX
-
SEA
33h 40m
3 stops
$1,352Multiple Airlines
dj., abr. 16 - dv., abr. 24
Multiple Airlines Logo
10:15 am - 11:05 am
SEA
-
SYX
33h 50m
2 stops
Multiple Airlines Logo
11:10 am - 10:05 am
SYX
-
SEA
37h 55m
1 stop
$1,433Multiple Airlines
dv., abr. 17 - dv., abr. 24

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 març 5, 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

dc. 4/15

6:59 pm-1:10 am

2 stops39h 11m

Sanya Phoenix Intl

dc. 4/22

2:45 pm-6:40 pm

2 stops42h 55m

$787

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dg. 4/19

7:35 am-1:10 am

2 stops26h 35m

Sanya Phoenix Intl

dg. 4/26

2:45 pm-5:38 pm

2 stops41h 53m

$858

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dv. 4/17

6:25 am-1:10 am

2 stops27h 45m

Sanya Phoenix Intl

dv. 4/24

6:40 am-5:38 pm

2 stops25h 58m

$883

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dc. 4/15

11:45 am-8:30 pm

1 stop17h 45m

Sanya Phoenix Intl

dc. 4/22

1:45 pm-6:50 pm

2 stops44h 05m

$969

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dt. 4/14

1:15 am-12:45 pm

2 stops44h 30m

Sanya Phoenix Intl

dc. 4/22

7:20 pm-3:08 pm

3 stops34h 48m

$1,142
Quickest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dc. 4/15

11:45 am-8:30 pm

1 stop17h 45m

Sanya Phoenix Intl

dc. 4/22

8:30 pm-9:05 am

1 stop27h 35m

$1,173

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

ds. 4/18

1:15 am-12:45 pm

2 stops44h 30m

Sanya Phoenix Intl

dg. 4/26

7:20 pm-3:05 pm

3 stops34h 45m

$1,213

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dg. 4/19

7:51 pm-12:45 pm

2 stops25h 54m

Sanya Phoenix Intl

dg. 4/26

1:45 pm-10:05 am

1 stop35h 20m

$1,240

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dj. 4/16

1:15 am-12:45 pm

2 stops44h 30m

Sanya Phoenix Intl

dv. 4/24

8:25 pm-3:05 pm

3 stops33h 40m

$1,352

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

dv. 4/17

10:15 am-11:05 am

2 stops33h 50m

Sanya Phoenix Intl

dv. 4/24

11:10 am-10:05 am

1 stop37h 55m

$1,433

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 55m

Direct flights

None
The fastest flight from Seattle to Sanya takes 26h 55m
There are no direct flights from Seattle to Sanya. There are no popular flight routes from Seattle to Sanya.
Search flight deals

  • 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 55m, 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.

  • 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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