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?

There is 1 operator available for flights from Washington to Hainan as of August 2026.

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.

$443 Cheap Flights from Washington to Hainan in 2026

Find the cheapest flights from Washington to Hainan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 1:40 pmPDX Portland-SYX Sanya Phoenix Intl

39h 25m2 stops Los Angeles Los Angeles Shanghai Pu Dong

9:20 pm - 11:18 pmSYX Sanya Phoenix Intl-PDX Portland

41h 58m2 stops Shanghai Pu Dong Los Angeles Los Angeles

$987Multiple Airlines

Fri, Oct 30 - Sat, Nov 7

10:50 am - 7:55 pmSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

17h 05m1 stop Hong Kong Intl

6:30 am - 5:55 pmSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

27h 25m2 stops Shanghai Pu Dong Los Angeles Los Angeles

$1,063Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

11:43 am - 11:45 amSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

56h 02m2 stops San Francisco Shanghai Pu Dong

9:20 pm - 3:04 pmSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

33h 44m2 stops Shanghai Pu Dong Los Angeles Los Angeles

$1,081Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

5:55 pm - 3:40 pmPDX Portland-HAK Haikou Meilan Intl

30h 45m2 stops Los Angeles Los Angeles Hong Kong Intl

4:50 pm - 1:53 pmHAK Haikou Meilan Intl-PDX Portland

36h 03m2 stops Hong Kong Intl Vancouver Intl

$1,087Cathay Pacific

Wed, Sep 30 - Sun, Oct 4

6:50 pm - 1:00 pmPDX Portland-HAK Haikou Meilan Intl

27h 10m2 stops San Francisco Guangzhou Baiyun

9:00 pm - 9:48 amHAK Haikou Meilan Intl-PDX Portland

27h 48m2 stops Guangzhou Baiyun Vancouver Intl

$1,117Multiple Airlines

Tue, Sep 15 - Fri, Sep 25

12:25 pm - 8:30 pmSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

17h 05m1 stop Hong Kong Intl

1:45 pm - 9:00 amSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

34h 15m2 stops Hong Kong Intl Beijing Capital

$1,119Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

7:18 am - 1:10 amSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

26h 52m2 stops San Francisco Shanghai Pu Dong

5:30 pm - 2:21 pmSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

35h 51m2 stops Shanghai Pu Dong San Francisco

$1,126Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

5:55 pm - 3:40 pmPDX Portland-HAK Haikou Meilan Intl

30h 45m2 stops Los Angeles Los Angeles Hong Kong Intl

4:50 pm - 1:53 pmHAK Haikou Meilan Intl-PDX Portland

36h 03m2 stops Hong Kong Intl Vancouver Intl

$1,164Cathay Pacific

Wed, Sep 30 - Sun, Oct 4

1:15 am - 8:10 pmSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

27h 55m3 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl Xiamen Gaoqi Intl

1:45 pm - 9:00 amSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

34h 15m2 stops Hong Kong Intl Beijing Capital

$1,168Multiple Airlines

Fri, Sep 4 - Fri, Sep 11

2:10 am - 12:45 pmSEA Seattle/Tacoma Intl-SYX Sanya Phoenix Intl

43h 35m2 stops Taipei City Taiwan Taoyuan Intl Hong Kong Intl

1:45 pm - 7:00 pmSYX Sanya Phoenix Intl-SEA Seattle/Tacoma Intl

20h 15m2 stops Hong Kong Intl Taipei City Taiwan Taoyuan Intl

$1,169Multiple Airlines

Thu, Aug 27 - Tue, Sep 1

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Hainan Airlines flights from State of Washington to Hainan

Our best Hainan Airlines deals on State of Washington to Hainan flight tickets

Hainan Airlines

Dec 15

SEA10:20 amSeattle/Tacoma Intl

41h 05m

1 stop

SYX7:25 pmSanya Phoenix Intl

Jan 5

SYX9:40 pmSanya Phoenix Intl

50h 25m

3 stops

SEA8:05 amSeattle/Tacoma Intl

$2,437

Hainan Airlines

Dec 15

SEA10:20 amSeattle/Tacoma Intl

21h 05m

1 stop

SYX11:25 pmSanya Phoenix Intl

Jan 5

SYX9:40 pmSanya Phoenix Intl

50h 25m

2 stops

SEA8:05 amSeattle/Tacoma Intl

$2,441

Hainan Airlines

Dec 15

SEA10:20 amSeattle/Tacoma Intl

46h 40m

2 stops

SYX1:00 amSanya Phoenix Intl

Jan 5

SYX9:40 pmSanya Phoenix Intl

50h 25m

3 stops

SEA8:05 amSeattle/Tacoma Intl

$2,503

Cathay Pacific flights from State of Washington to Hainan

Our best Cathay Pacific deals on State of Washington to Hainan flight tickets

Cathay Pacific

Sep 30

PDX5:55 pmPortland

30h 45m

2 stops

HAK3:40 pmHaikou Meilan Intl

Oct 4

HAK4:50 pmHaikou Meilan Intl

36h 03m

2 stops

PDX1:53 pmPortland

$1,087

Cathay Pacific

Sep 30

PDX5:55 pmPortland

30h 45m

2 stops

HAK3:40 pmHaikou Meilan Intl

Oct 4

HAK4:50 pmHaikou Meilan Intl

36h 03m

2 stops

PDX1:53 pmPortland

$1,164

Cathay Pacific

Dec 16

SEA10:50 amSeattle/Tacoma Intl

17h 05m

1 stop

SYX7:55 pmSanya Phoenix Intl

Jan 3

SYX8:50 pmSanya Phoenix Intl

28h 20m

1 stop

SEA9:10 amSeattle/Tacoma Intl

$2,355

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSanya

PDX Portland - SYX Sanya Phoenix Intl

PDXSYX

Portland

Fri 10/30

7:15 am-1:40 pm

2 stops39h 25m

Sanya Phoenix Intl

Sat 11/7

9:20 pm-11:18 pm

2 stops41h 58m

$987

Quickest round-trip

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Wed 11/4

10:50 am-7:55 pm

1 stop17h 05m

Sanya Phoenix Intl

Wed 11/18

6:30 am-5:55 pm

2 stops27h 25m

$1,063

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Wed 11/4

11:43 am-11:45 am

2 stops56h 02m

Sanya Phoenix Intl

Wed 11/18

9:20 pm-3:04 pm

2 stops33h 44m

$1,081

PortlandHaikou

PDX Portland - HAK Haikou Meilan Intl

PDXHAK

Portland

Wed 9/30

5:55 pm-3:40 pm

2 stops30h 45m

Haikou Meilan Intl

Sun 10/4

4:50 pm-1:53 pm

2 stops36h 03m

$1,087

PortlandHaikou

PDX Portland - HAK Haikou Meilan Intl

PDXHAK

Portland

Tue 9/15

6:50 pm-1:00 pm

2 stops27h 10m

Haikou Meilan Intl

Fri 9/25

9:00 pm-9:48 am

2 stops27h 48m

$1,117

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Sat 9/5

12:25 pm-8:30 pm

1 stop17h 05m

Sanya Phoenix Intl

Fri 9/11

1:45 pm-9:00 am

2 stops34h 15m

$1,119

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Sat 9/5

7:18 am-1:10 am

2 stops26h 52m

Sanya Phoenix Intl

Fri 9/11

5:30 pm-2:21 pm

2 stops35h 51m

$1,126

PortlandHaikou

PDX Portland - HAK Haikou Meilan Intl

PDXHAK

Portland

Wed 9/30

5:55 pm-3:40 pm

2 stops30h 45m

Haikou Meilan Intl

Sun 10/4

4:50 pm-1:53 pm

2 stops36h 03m

$1,164

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Fri 9/4

1:15 am-8:10 pm

3 stops27h 55m

Sanya Phoenix Intl

Fri 9/11

1:45 pm-9:00 am

2 stops34h 15m

$1,168

SeattleSanya

SEA Seattle/Tacoma Intl - SYX Sanya Phoenix Intl

SEASYX

Seattle/Tacoma Intl

Thu 8/27

2:10 am-12:45 pm

2 stops43h 35m

Sanya Phoenix Intl

Tue 9/1

1:45 pm-7:00 pm

2 stops20h 15m

$1,169

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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 airline that flies from Washington to Hainan?

Cathay Pacific is the most popular carrier operating from Washington to Hainan

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

Fastest flight time	17h 05m
Direct flights	None

The fastest flight from State of Washington to Hainan takes 17h 05m

There are no direct flights from State of Washington to Hainan. There are no popular flight routes from State of Washington to Hainan.

Search flight deals

Frequently asked questions about flying from Washington to Hainan

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?
There is 1 operator available for flights from Washington to Hainan as of August 2026.
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.

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 Airlines	PriceFrom $1,098	Free Cancellation	Rating 8.3 68 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.