SEA - SYX

$390 Find Cheap Flights from Seattle to Sanya - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,122
Typical prices: $886-$936
Multiple Airlines
Sat 11/24Fri 11/30
SEA - SYX • 2 stops
Cheapest one-way
$390
Typical prices: $461-$674
Cathay Pacific
Sun 11/25
SEA - SYX • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Sanya. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from Seattle to Sanya (SEA-SYX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Sanya

Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
6:00 am - 11:30 pmSEA  Seattle/Tacoma Intl-SYX Sanya Phoenix Intl
25h 30m2 stops Los Angeles Shanghai Pu Dong
Multiple Airlines Logo
9:20 pm - 11:01 pmSYX  Sanya Phoenix Intl-SEA Seattle/Tacoma Intl
41h 41m2 stops Shanghai Pu Dong Los Angeles
$1,122Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
10:20 am - 11:25 pmSEA  Seattle/Tacoma Intl-SYX Sanya Phoenix Intl
21h 05m1 stop Beijing Capital
Multiple Airlines Logo
11:30 am - 8:20 amSYX  Sanya Phoenix Intl-SEA Seattle/Tacoma Intl
36h 50m2 stops Hong Kong Intl Beijing Capital
$1,207Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
12:10 am - 1:15 amSEA  Seattle/Tacoma Intl-SYX Sanya Phoenix Intl
33h 05m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi Guangzhou Baiyun
Multiple Airlines Logo
10:20 pm - 8:20 amSYX  Sanya Phoenix Intl-SEA Seattle/Tacoma Intl
26h 00m2 stops Guangzhou Baiyun Beijing Capital
$1,240Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Hainan Airlines Logo
10:20 am - 1:10 pmSEA  Seattle/Tacoma Intl-SYX Sanya Phoenix Intl
34h 50m1 stop Beijing Capital
Hainan Airlines Logo
1:30 pm - 8:20 amSYX  Sanya Phoenix Intl-SEA Seattle/Tacoma Intl
34h 50m1 stop Beijing Capital
$1,270Hainan Airlines
Mon, Nov 23 - Mon, Nov 30
Multiple Airlines Logo
12:10 am - 1:15 amSEA  Seattle/Tacoma Intl-SYX Sanya Phoenix Intl
33h 05m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi Guangzhou Baiyun
Multiple Airlines Logo
11:15 pm - 6:10 pmSYX  Sanya Phoenix Intl-SEA Seattle/Tacoma Intl
34h 55m3 stops Guangzhou Baiyun Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,312Multiple Airlines
Booking Insights

Price, demand and travel trends for Seattle to Sanya flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Seattle to Sanya?

Hainan Airlines ($1,270) offered the cheapest round-trip ticket from Seattle to Sanya in the last 5 days.

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Key details for Seattle to Sanya flights

Cheapest flight

$390
One-way flight from Seattle to Sanya

When to book flights from Seattle to Sanya

Are your dates flexible? Find out the best times to travel from Seattle to Sanya based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Sanya flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Sanya?

    Only Economy Class is available on flights from Seattle to Sanya.

  • How long is a flight from Seattle to Sanya?

    A nonstop flight from Seattle to Sanya takes 00m, covering 6,875 miles.

  • Do I need a passport to fly from Seattle to Sanya?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Sanya changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,122 to $1,312. That means the highest observed fare was about 16% higher than the lowest one.

  • How are flight prices from Seattle to Sanya looking right now?

    One-way fares from Seattle to Sanya are currently lower than usual. Average one-way flight prices are about $554, which is 17% below the typical average for this route.

  • Which airports can I use when flying from Seattle to Sanya?

    Flights from Seattle to Sanya usually depart from Seattle/Tacoma Intl (SEA) and arrive at Sanya Phoenix Intl (SYX).

  • Which airports do connecting flights from Seattle to Sanya pass through?

    Most connecting flights from Seattle to Sanya pass through Hong Kong Intl (HKG), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Seattle to Sanya?

    Yes. Flexible dates can save you up to 24% on flights from Seattle to Sanya. Sunday is the cheapest departure day at $886 round-trip on average, while Thursday is the most expensive at $1,153, a difference of $267.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Seattle and Sanya?

    Sanya is 15 hours ahead of Seattle (China Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sanya?

    Some of the most popular sights in Sanya are Dadonghai Bay, Dadonghai Tourism Area and Dadongdai Beach. These are among the most viewed places in Sanya on KAYAK.

Your guide to booking Seattle to Sanya flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average $886, about $267 less than Thursday fares (23% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sanya Phoenix Intl Airport.

    • Bihai Jinsha Hotel

More options for your flight from Seattle to Sanya

Complete your trip to Sanya with a hotel stay or car rental

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