How do I get Price Alerts for flights from State of Washington to Hainan?

Confirm your travel details to search for the latest offers for flights from State of Washington to Hainan . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from State of Washington to Hainan with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 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.

$585 Cheap Flights from Washington to Hainan in 2026/27

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.

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:45 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 00m1 stop Hong Kong Intl

$790Cathay Pacific

Wed, Dec 30 - Mon, Jan 18

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:45 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 00m1 stop Hong Kong Intl

$790Cathay Pacific

Wed, Dec 30 - Tue, Jan 19

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:45 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 00m1 stop Hong Kong Intl

$828Cathay Pacific

Thu, Dec 31 - Mon, Jan 18

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:45 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 00m1 stop Hong Kong Intl

$828Cathay Pacific

Thu, Dec 31 - Tue, Jan 19

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 11:27 pmHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

22h 42m2 stops Hong Kong Intl Los Angeles

$883Cathay Pacific

Wed, Dec 30 - Tue, Jan 19

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:53 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 08m2 stops Hong Kong Intl Los Angeles

$883Cathay Pacific

Wed, Dec 30 - Mon, Jan 18

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 11:27 pmHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

46h 42m2 stops Hong Kong Intl Los Angeles

$920Cathay Pacific

Thu, Dec 31 - Tue, Jan 19

10:25 am - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

37h 10m1 stop Hong Kong Intl

4:45 pm - 8:53 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 08m2 stops Hong Kong Intl Los Angeles

$920Cathay Pacific

Thu, Dec 31 - Mon, Jan 18

10:05 am - 9:45 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

19h 40m1 stop Chongqing Jiangbei Intl

10:30 am - 8:20 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

37h 50m2 stops Guangzhou Baiyun Beijing Capital

$930Hainan Airlines

Thu, Dec 31 - Mon, Jan 4

9:40 pm - 3:35 pmSEA Seattle/Tacoma Intl-HAK Haikou Meilan Intl

49h 55m2 stops San Francisco Hong Kong Intl

4:45 pm - 8:45 amHAK Haikou Meilan Intl-SEA Seattle/Tacoma Intl

32h 00m1 stop Hong Kong Intl

$938Multiple Airlines

Fri, Feb 12 - Mon, Feb 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from State of Washington to Hainan

Our best British Airways deals on State of Washington to Hainan flight tickets

British Airways

Dec 22

SEA1:30 pmSeattle/Tacoma Intl

34h 25m

2 stops

SYX3:55 pmSanya Phoenix Intl

Jan 5

SYX1:50 pmSanya Phoenix Intl

61h 35m

2 stops

SEA11:25 amSeattle/Tacoma Intl

$3,089

British Airways

Dec 22

SEA1:30 pmSeattle/Tacoma Intl

34h 25m

2 stops

SYX3:55 pmSanya Phoenix Intl

Jan 6

SYX1:50 pmSanya Phoenix Intl

67h 00m

2 stops

SEA4:50 pmSeattle/Tacoma Intl

$3,189

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 31

SEA10:05 amSeattle/Tacoma Intl

19h 40m

1 stop

HAK9:45 pmHaikou Meilan Intl

Jan 4

HAK10:30 amHaikou Meilan Intl

37h 50m

2 stops

SEA8:20 amSeattle/Tacoma Intl

$930

Hainan Airlines

Dec 31

SEA10:05 amSeattle/Tacoma Intl

19h 40m

1 stop

HAK9:45 pmHaikou Meilan Intl

Jan 14

HAK7:15 amHaikou Meilan Intl

16h 50m

1 stop

SEA8:05 amSeattle/Tacoma Intl

$1,030

Hainan Airlines

Jan 5

SEA10:20 amSeattle/Tacoma Intl

40h 40m

1 stop

HAK7:00 pmHaikou Meilan Intl

Jan 14

HAK7:15 amHaikou Meilan Intl

16h 50m

1 stop

SEA8:05 amSeattle/Tacoma Intl

$1,040

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Wed 12/30

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Mon 1/18

4:45 pm-8:45 am

1 stop32h 00m

$790

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Wed 12/30

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Tue 1/19

4:45 pm-8:45 am

1 stop32h 00m

$790

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Thu 12/31

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Mon 1/18

4:45 pm-8:45 am

1 stop32h 00m

$828

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Thu 12/31

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Tue 1/19

4:45 pm-8:45 am

1 stop32h 00m

$828

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Wed 12/30

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Tue 1/19

4:45 pm-11:27 pm

2 stops22h 42m

$883

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Wed 12/30

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Mon 1/18

4:45 pm-8:53 am

2 stops32h 08m

$883

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Thu 12/31

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Tue 1/19

4:45 pm-11:27 pm

2 stops46h 42m

$920

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Thu 12/31

10:25 am-3:35 pm

1 stop37h 10m

Haikou Meilan Intl

Mon 1/18

4:45 pm-8:53 am

2 stops32h 08m

$920

Quickest round-trip

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Thu 12/31

10:05 am-9:45 pm

1 stop19h 40m

Haikou Meilan Intl

Mon 1/4

10:30 am-8:20 am

2 stops37h 50m

$930

SeattleHaikou

SEA Seattle/Tacoma Intl - HAK Haikou Meilan Intl

SEAHAK

Seattle/Tacoma Intl

Fri 2/12

9:40 pm-3:35 pm

2 stops49h 55m

Haikou Meilan Intl

Mon 2/22

4:45 pm-8:45 am

1 stop32h 00m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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	$585
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Hainan from State of Washington in the past 72 hours is $585. The best round-trip flight deal from State of Washington to Hainan found on momondo in the last 72 hours is $790.

The fastest flight from State of Washington to Hainan takes 22h 50m

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 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.

Frequently asked questions about flying from Washington to Hainan

How do I get Price Alerts for flights from State of Washington to Hainan?
Confirm your travel details to search for the latest offers for flights from State of Washington to Hainan. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from State of Washington to Hainan with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.