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Hainan

$1,442+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYX
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Round-trip from

$1,442
(CheapTickets)
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 April 17, 2025.

This CheapTickets deal was found by Cheapflights users on 4/17. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:10 amSEA - SYX
2 stops44h 35mMultiple Airlines
Sun 6/81:45 pmSYX - SEA
2 stops20h 45mMultiple Airlines
Deal found 4/17$1,442
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/111:50 amSEA - SYX
1 stop22h 20mDelta
Sun 6/86:40 amSYX - SEA
1 stop22h 10mDelta
Deal found 4/16$25,952

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 April 17, 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

Sat 5/31

1:10 am-12:45 pm

2 stops44h 35m

Sanya Phoenix Intl

Sun 6/8

1:45 pm-7:30 pm

2 stops20h 45m

$1,442

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 6/1

11:50 am-1:10 am

1 stop22h 20m

Sanya Phoenix Intl

Sun 6/8

6:40 am-1:50 pm

1 stop22h 10m

$25,952

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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

Rainfall in Hainan by month

Plan your trip to Hainan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hainan ranges from 0.8 - 10.6 inches per month. September is typically the wettest month, when rainfall can reach 10.6 in. January is typically the driest time to visit Hainan when rainfall is around 0.8 in.

Temperature in Hainan by month

Plan your trip to Hainan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hainan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest$730Average$809FlexibilityNo cancel feeOn-time61%

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