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

Search flight deals from Seattle to Hainan . While viewing offers you’ll have the option to create a Price Alert.

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

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Prices for flights from Seattle/Tacoma Intl Airport to Hainan are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hainan?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Hainan.

What documentation or ID do you need to fly to Hainan?

The travel and health documents required for your trip to Hainan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hainan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,198 Cheap Flights from Seattle to Hainan in 2026

Find the cheapest flights from Seattle to Hainan

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:26 am - 1:10 am

SEA

SYX

26h 44m

2 stops

6:45 am - 4:45 pm

SYX

SEA

25h 00m

2 stops

$1,198Multiple Airlines

Sun, Jul 12 - Wed, Jul 15

7:20 pm - 12:45 pm

SEA

SYX

26h 25m

2 stops

12:35 pm - 10:07 am

SYX

SEA

36h 32m

3 stops

$1,604Multiple Airlines

Sun, Jul 12 - Wed, Jul 15

7:26 am - 1:10 am

SEA

SYX

26h 44m

2 stops

8:55 pm - 10:20 am

SYX

SEA

28h 25m

1 stop

$1,745Multiple Airlines

Sun, Jul 12 - Wed, Jul 15

1:55 am - 12:55 am

SEA

SYX

32h 00m

3 stops

12:35 pm - 10:07 am

SYX

SEA

36h 32m

3 stops

$1,775Multiple Airlines

Sat, Jul 11 - Wed, Jul 15

9:40 pm - 11:30 pm

SEA

SYX

33h 50m

2 stops

6:30 am - 6:56 pm

SYX

SEA

28h 26m

2 stops

$1,965Multiple Airlines

Fri, Dec 25 - Sat, Jan 9

7:00 am - 11:30 pm

SEA

SYX

24h 30m

2 stops

6:30 am - 6:56 pm

SYX

SEA

28h 26m

2 stops

$2,123Multiple Airlines

Thu, Dec 24 - Sat, Jan 9

7:00 am - 11:30 pm

SEA

SYX

24h 30m

2 stops

6:30 am - 4:57 pm

SYX

SEA

26h 27m

2 stops

$2,131Multiple Airlines

Thu, Dec 24 - Sun, Jan 10

7:00 am - 11:30 pm

SEA

SYX

24h 30m

2 stops

6:30 am - 6:56 pm

SYX

SEA

28h 26m

2 stops

$2,195Multiple Airlines

Wed, Dec 23 - Thu, Jan 7

7:00 am - 11:30 pm

SEA

SYX

24h 30m

2 stops

6:25 am - 4:57 pm

SYX

SEA

26h 32m

2 stops

$2,202Multiple Airlines

Wed, Dec 23 - Wed, Jan 6

10:50 am - 10:30 am

SEA

SYX

31h 40m

1 stop

8:50 pm - 9:10 am

SYX

SEA

28h 20m

1 stop

$2,275Cathay Pacific

Thu, Dec 24 - Sun, Jan 10

Save money when you book flights with momondo

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Hainan Airlines flights from Seattle to Hainan

Our best Hainan Airlines deals on Seattle to Hainan flight tickets

Hainan Airlines

Dec 24

SEA10:05 amSeattle/Tacoma Intl

64h 05m

3 stops

SYX6:10 pmSanya Phoenix Intl

Jan 10

SYX8:10 pmSanya Phoenix Intl

51h 50m

2 stops

SEA8:00 amSeattle/Tacoma Intl

$2,975

Hainan Airlines

Dec 22

SEA10:00 amSeattle/Tacoma Intl

40h 10m

1 stop

SYX6:10 pmSanya Phoenix Intl

Jan 11

SYX12:40 pmSanya Phoenix Intl

35h 20m

2 stops

SEA8:00 amSeattle/Tacoma Intl

$3,061

Hainan Airlines

Dec 24

SEA10:05 amSeattle/Tacoma Intl

64h 05m

2 stops

SYX6:10 pmSanya Phoenix Intl

Jan 12

SYX8:30 amSanya Phoenix Intl

63h 35m

3 stops

SEA8:05 amSeattle/Tacoma Intl

$3,122

China Eastern flights from Seattle to Hainan

Our best China Eastern deals on Seattle to Hainan flight tickets

China Eastern

Oct 1

SEA7:15 amSeattle/Tacoma Intl

39h 20m

2 stops

SYX1:35 pmSanya Phoenix Intl

Oct 5

SYX5:30 pmSanya Phoenix Intl

38h 29m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

$2,729

China Eastern

Oct 1

SEA7:15 amSeattle/Tacoma Intl

42h 05m

2 stops

SYX4:20 pmSanya Phoenix Intl

Oct 5

SYX6:45 amSanya Phoenix Intl

25h 02m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

$2,784

China Eastern

Oct 1

SEA7:16 amSeattle/Tacoma Intl

39h 19m

2 stops

SYX1:35 pmSanya Phoenix Intl

Oct 5

SYX5:30 pmSanya Phoenix Intl

38h 29m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

$2,793

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 7/12

7:26 am-1:10 am

2 stops26h 44m

Sanya Phoenix Intl

Wed 7/15

6:45 am-4:45 pm

2 stops25h 00m

$1,198

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 7/12

7:20 pm-12:45 pm

2 stops26h 25m

Sanya Phoenix Intl

Wed 7/15

12:35 pm-10:07 am

3 stops36h 32m

$1,604

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sun 7/12

7:26 am-1:10 am

2 stops26h 44m

Sanya Phoenix Intl

Wed 7/15

8:55 pm-10:20 am

1 stop28h 25m

$1,745

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Sat 7/11

1:55 am-12:55 am

3 stops32h 00m

Sanya Phoenix Intl

Wed 7/15

12:35 pm-10:07 am

3 stops36h 32m

$1,775

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 12/25

9:40 pm-11:30 pm

2 stops33h 50m

Sanya Phoenix Intl

Sat 1/9

6:30 am-6:56 pm

2 stops28h 26m

$1,965

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/24

7:00 am-11:30 pm

2 stops24h 30m

Sanya Phoenix Intl

Sat 1/9

6:30 am-6:56 pm

2 stops28h 26m

$2,123

Quickest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/24

7:00 am-11:30 pm

2 stops24h 30m

Sanya Phoenix Intl

Sun 1/10

6:30 am-4:57 pm

2 stops26h 27m

$2,131

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 12/23

7:00 am-11:30 pm

2 stops24h 30m

Sanya Phoenix Intl

Thu 1/7

6:30 am-6:56 pm

2 stops28h 26m

$2,195

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Wed 12/23

7:00 am-11:30 pm

2 stops24h 30m

Sanya Phoenix Intl

Wed 1/6

6:25 am-4:57 pm

2 stops26h 32m

$2,202

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 12/24

10:50 am-10:30 am

1 stop31h 40m

Sanya Phoenix Intl

Sun 1/10

8:50 pm-9:10 am

1 stop28h 20m

$2,275

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Seattle to Hainan flight deals and tips

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

Fastest flight time	26h 25m
Direct flights	None

The fastest flight from Seattle to Hainan takes 26h 25m

There are no direct flights from Seattle to Hainan. There are no popular flight routes from Seattle to Hainan.

Search flight deals

Frequently asked questions about flying from Seattle to Hainan

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hainan?
Prices for flights from Seattle/Tacoma Intl Airport to Hainan are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hainan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Hainan.
What documentation or ID do you need to fly to Hainan?
The travel and health documents required for your trip to Hainan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hainan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seattle to Hainan

Compare and see reviews for airlines that fly from Seattle to Hainan with momondo

Airline	Rating	Free Cancellation	Price
Hainan Airlines	PriceFrom $1,098	Free Cancellation	Rating 8.3 67 reviews		Search Hainan Airlines flights

Frequently asked questions about flying from Seattle to Hainan

How do I get Price Alerts for flights from Seattle to Hainan?
Search flight deals from Seattle to Hainan. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Seattle to Hainan with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

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

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

Flights from Seattle to Hainan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Seattle to Hainan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Hainan, momondo offers a useful price alert feature which will track prices for flights to Hainan from Seattle and alert you when they change.