Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to Hainan from $970

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hainan departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington to Hainan

Cheap round-trip flights

Logo
1:15 am - 12:45 pmSEA-SYX
44h 30m2 stops
Logo
1:45 pm - 4:10 pmSYX-SEA
41h 25m2 stops
$970
Find Deal
vie., sep. 26 - sáb., oct. 4
Logo
12:50 pm - 12:45 pmSEA-SYX
32h 55m2 stops
Logo
1:45 pm - 10:40 amSYX-SEA
35h 55m2 stops
$1,027
Find Deal
sáb., sep. 27 - sáb., oct. 4
Logo
11:00 am - 12:55 amSEA-SYX
22h 55m1 stop
Logo
1:45 pm - 6:50 pmSYX-SEA
20h 05m2 stops
$1,438
Find Deal
sáb., sep. 27 - sáb., oct. 4
Logo
5:31 pm - 2:10 pmSEA-SYX
29h 39m3 stops
Logo
8:55 pm - 9:53 pmSYX-SEA
39h 58m2 stops
$1,503
Find Deal
sáb., sep. 27 - sáb., oct. 4
Logo
2:50 pm - 10:50 amPDX-SYX
28h 00m2 stops
Logo
8:20 am - 9:35 amSYX-PDX
41h 15m2 stops
$1,781
Find Deal
sáb., dic. 6 - mar., ene. 6
China Eastern Logo
6:30 am - 1:40 pmPDX-SYX
39h 10m2 stops
China Eastern Logo
3:00 pm - 4:15 pmSYX-PDX
41h 15m2 stops
$1,794China Eastern
Find Deal
sáb., dic. 6 - mar., ene. 6
Logo
1:15 am - 5:20 pmSEA-SYX
25h 05m2 stops
Logo
1:45 pm - 8:45 amSYX-SEA
34h 00m1 stop
$2,339
Find Deal
vie., sep. 26 - sáb., oct. 4
Logo
11:00 am - 1:25 pmSEA-SYX
35h 25m1 stop
Logo
1:45 pm - 8:45 amSYX-SEA
34h 00m1 stop
$2,630
Find Deal
sáb., sep. 27 - sáb., oct. 4
American Airlines Logo
6:44 pm - 1:10 amPDX-SYX
38h 26m3 stops
American Airlines Logo
7:55 am - 9:11 pmSYX-PDX
29h 16m2 stops
$3,221American Airlines
Find Deal
sáb., dic. 6 - mar., ene. 6
Logo
1:15 am - 12:45 pmSEA-SYX
44h 30m2 stops
Logo
1:45 pm - 1:25 pmSYX-SEA
38h 40m3 stops
$10,478
Find Deal
vie., sep. 26 - sáb., oct. 4

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated agosto 13, 2025.
Use the filters below to find and compare flights from Washington to Hainan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

vie. 9/26

1:15 am-12:45 pm

2 stops44h 30m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-4:10 pm

2 stops41h 25m

$970

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

sáb. 9/27

12:50 pm-12:45 pm

2 stops32h 55m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-10:40 am

2 stops35h 55m

$1,027

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

sáb. 9/27

11:00 am-12:55 am

1 stop22h 55m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-6:50 pm

2 stops20h 05m

$1,438

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

sáb. 9/27

5:31 pm-2:10 pm

3 stops29h 39m

Sanya Phoenix Intl

sáb. 10/4

8:55 pm-9:53 pm

2 stops39h 58m

$1,503

PortlandSanya

PDX - SYX

PDXSYX

Portland

sáb. 12/6

2:50 pm-10:50 am

2 stops28h 00m

Sanya Phoenix Intl

mar. 1/6

8:20 am-9:35 am

2 stops41h 15m

$1,781

PortlandSanya

PDX - SYX

PDXSYX

Portland

sáb. 12/6

6:30 am-1:40 pm

2 stops39h 10m

Sanya Phoenix Intl

mar. 1/6

3:00 pm-4:15 pm

2 stops41h 15m

$1,794

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

vie. 9/26

1:15 am-5:20 pm

2 stops25h 05m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-8:45 am

1 stop34h 00m

$2,339

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

sáb. 9/27

11:00 am-1:25 pm

1 stop35h 25m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-8:45 am

1 stop34h 00m

$2,630

PortlandSanya

PDX - SYX

PDXSYX

Portland

sáb. 12/6

6:44 pm-1:10 am

3 stops38h 26m

Sanya Phoenix Intl

mar. 1/6

7:55 am-9:11 pm

2 stops29h 16m

$3,221

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

vie. 9/26

1:15 am-12:45 pm

2 stops44h 30m

Sanya Phoenix Intl

sáb. 10/4

1:45 pm-1:25 pm

3 stops38h 40m

$10,478

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Hainan from

How to get the cheapest flight ticket from State of Washington to Hainan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Washington to Hainan flight route?

Fly from Seattle/Tacoma Intl to Haikou Meilan Intl for the best Washington - Hainan flight prices

What cabin class options are available on Washington to Hainan flights?

There are 1 cabin classes available to choose from on Washington to Hainan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Hainan flights?

You could potentially save up to 52% on your flight if you consider stops on a State of Washington to Hainan flight.

Cheap State of Washington to Hainan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Hainan

Best Price Found

$970

Fastest flight time

22h 55m

Direct flights

None

Airports in Hainan

1 airport
The best flight deal from State of Washington to Hainan found on momondo in the last 72 hours is $970
The fastest flight from State of Washington to Hainan takes 22h 55m
There are no direct flights from State of Washington to Hainan. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Sanya Phoenix Intl Airport and Portland Airport - Sanya Phoenix Intl Airport.
There is 1 airport near Hainan: Sanya Phoenix Intl (SYX)
Search flight deals

  • When did momondo last update prices for flights from Washington to Hainan?

    Prices for flights from Washington to Hainan are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Hainan?

  • How old do you have to be to fly from Washington to Hainan?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Hainan.

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

    The travel and health documents you'll need for your trip to Hainan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hainan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Hainan?

Best airlines flying from State of Washington to Hainan

Compare and see reviews for airlines that fly from State of Washington to Hainan with momondo
Airline
Rating
Free Cancellation
Price
Hainan AirlinesPriceFrom $730Free CancellationRating
8.2
45 reviews
Search Hainan Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Washington to Hainan flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hainan from Washington.

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

If you are not ready to book a flight from Washington to Hainan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hainan and let you know when they change.

An easier way to manage your Hainan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lun. 8/18
lun. 8/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Hainan

Popular cities in Hainan

Popular flights according to clicks in the last 7 days on momondo
Flights to Shanghaifrom $576
Flights to Beijingfrom $609
Flights to Guangzhoufrom $627
Flights to Shenzhenfrom $680
Flights to Fuzhoufrom $667
Flights to Chengdufrom $648
Flights to Chongqingfrom $666
Flights to Hangzhoufrom $583
Flights to Xi'anfrom $667
Flights to Kunmingfrom $678
Flights to Qingdaofrom $642
Flights to Shenyangfrom $636