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Hainan

$1,309+ Cheap flights from Seattle (SEA) to Hainan

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYX
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Seattle to Hainan

Keep the following information in mind while searching for Seattle to Hainan flight deals. Data was last updated July 31, 2025.

Round-trip from

$1,309
(Gurufare)
From Seattle/Tacoma Intl to Hainan
Search Deals

Find flight deals from Seattle to Hainan

Cheapest flights from Seattle to Hainan
Explore the most affordable flight options available from Seattle to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:59 pmSEA - SYX
2 stops30h 36mMultiple Airlines
Thu 5/143:35 pmSYX - SEA
3 stops32h 34mMultiple Airlines
Deal found 7/29$1,309
This Gurufare deal was found by Cheapflights users on 7/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:20 amSEA - SYX
2 stops24h 00mChina Eastern
Thu 5/146:40 amSYX - SEA
2 stops25h 15mChina Eastern
Deal found 7/29$1,551
This Air China deal was found by Cheapflights users on 7/29. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:41 pmSEA - SYX
2 stops32h 44mAir China
Tue 5/1212:55 pmSYX - SEA
2 stops41h 10mAir China
Deal found 7/29$2,843

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Hainan 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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to Hainan that are best for you.

Fly from

Seattle

Fly to

Hainan

Route

Depart

Return

Price

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 11/16

2:59 pm-1:35 pm

2 stops30h 36m

Sanya Phoenix Intl

Thu 5/14

3:35 pm-9:09 am

3 stops32h 34m

$1,309

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sat 11/15

7:20 am-11:20 pm

2 stops24h 00m

Sanya Phoenix Intl

Wed 5/13

6:40 am-4:55 pm

2 stops25h 15m

$1,551

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 11/14

12:41 pm-1:25 pm

2 stops32h 44m

Sanya Phoenix Intl

Tue 5/12

12:55 pm-3:05 pm

2 stops41h 10m

$2,843

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Seattle to Hainan

Have a flexible travel schedule? Discover the best time to fly to Hainan 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Hainan
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Hainan

Get insights into the airlines that provide service to Hainan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hainan. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Air China and China Eastern from Seattle to Hainan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.3
Good
93 reviews

Crew

7.9

Entertainment

6.2

Boarding

7.8

Comfort

7.1

Food

7.1

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
Air China
7.3
Good
93 reviews
Air China
7.3
Good
93 reviews

Crew

7.9

Entertainment

6.2

Boarding

7.8

Comfort

7.1

Food

7.1

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.
China Eastern
7.2
Good
158 reviews
Air China
7.3
Good
93 reviews

Crew

7.9

Entertainment

6.2

Boarding

7.8

Comfort

7.1

Food

7.1

Overall

7.3

Reviews

1 / 1
10.0
Excellent

Vanina,Jun 2025

LHR - PEK

Very good but something happened with my flight # my booking had a 22.40 departure only to find out when check in that I was booked on the 20.40 flight so I had to run through a short connection. Never k we why this happened.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Hainan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Hainan?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Hainan. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • Can I find deals for flights from Seattle to Hainan that include hotel bookings?

    Yes. In addition to deals on Seattle to Hainan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Hainan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Hainan.

  • Can I find deals for business class flights from Seattle to Hainan?

    Yes. Cheapflights offers flight deals from Seattle to Hainan 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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Top airline flying from Seattle to Hainan

Discover the top airline that operate flights from Seattle to Hainan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$730Average$809FlexibilityNo cancel feeOn-time61%

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