What is the cheapest airline that flies from Washington to Hainan?

American Airlines is the most popular carrier operating 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 May 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.

$549 Cheap Flights from Washington to Hainan in 2026

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Find the cheapest flights from Washington to Hainan

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 1:10 am

SEA

SYX

27h 20m

2 stops

6:45 am - 4:01 pm

SYX

SEA

24h 16m

2 stops

$922Multiple Airlines

Tue, Sep 8 - Thu, Oct 8

7:07 pm - 1:10 am

SEA

SYX

39h 03m

2 stops

6:45 am - 4:01 pm

SYX

SEA

24h 16m

2 stops

$929Multiple Airlines

Mon, Sep 7 - Thu, Oct 8

6:50 am - 1:35 pm

SEA

SYX

39h 45m

2 stops

6:45 am - 10:57 pm

SYX

SEA

31h 12m

2 stops

$936Multiple Airlines

Fri, Sep 11 - Thu, Oct 8

7:56 pm - 11:30 am

SEA

SYX

24h 34m

2 stops

11:10 am - 8:16 am

SYX

SEA

36h 06m

3 stops

$1,282Multiple Airlines

Tue, Sep 8 - Thu, Oct 8

4:59 pm - 6:20 pm

SEA

SYX

34h 21m

2 stops

3:40 pm - 8:16 am

SYX

SEA

31h 36m

3 stops

$1,356Multiple Airlines

Thu, Sep 10 - Thu, Oct 8

12:25 pm - 12:45 pm

SEA

SYX

33h 20m

1 stop

9:45 pm - 9:00 am

SYX

SEA

50h 15m

2 stops

$1,376Multiple Airlines

Tue, Sep 8 - Thu, Oct 8

11:05 am - 10:50 am

SEA

SYX

32h 45m

1 stop

11:10 pm - 9:00 am

SYX

SEA

48h 50m

2 stops

$1,377Hainan Airlines

Thu, Sep 10 - Thu, Oct 8

6:30 am - 12:20 pm

PDX

HAK

38h 50m

2 stops

6:50 pm - 4:10 pm

HAK

PDX

36h 20m

2 stops

$1,948China Eastern

Tue, Sep 29 - Fri, Oct 2

6:30 am - 12:20 pm

PDX

HAK

38h 50m

2 stops

7:55 pm - 4:10 pm

HAK

PDX

35h 15m

2 stops

$2,286China Eastern

Tue, Sep 29 - Fri, Oct 2

6:30 am - 10:50 am

PDX

HAK

37h 20m

2 stops

7:55 pm - 4:10 pm

HAK

PDX

35h 15m

2 stops

$2,624China Eastern

Tue, Sep 29 - Fri, Oct 2

China Eastern flights from State of Washington to Hainan

Our best China Eastern deals on State of Washington to Hainan flight tickets

China Eastern

Nov 1

SEA9:55 pmSeattle/Tacoma Intl

47h 45m

2 stops

SYX1:40 pmSanya Phoenix Intl

Nov 5

SYX6:30 amSanya Phoenix Intl

24h 17m

2 stops

SEA2:47 pmSeattle/Tacoma Intl

$1,759

China Eastern

Sep 4

SEA7:20 amSeattle/Tacoma Intl

26h 50m

2 stops

SYX1:10 amSanya Phoenix Intl

Sep 8

SYX6:45 amSanya Phoenix Intl

25h 10m

2 stops

SEA4:55 pmSeattle/Tacoma Intl

$1,789

China Eastern

Sep 29

PDX6:30 amPortland

38h 50m

2 stops

HAK12:20 pmHaikou Meilan Intl

Oct 2

HAK6:50 pmHaikou Meilan Intl

36h 20m

2 stops

PDX4:10 pmPortland

$1,948

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 9/8

6:50 am-1:10 am

2 stops27h 20m

Sanya Phoenix Intl

Thu 10/8

6:45 am-4:01 pm

2 stops24h 16m

$922

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Mon 9/7

7:07 pm-1:10 am

2 stops39h 03m

Sanya Phoenix Intl

Thu 10/8

6:45 am-4:01 pm

2 stops24h 16m

$929

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Fri 9/11

6:50 am-1:35 pm

2 stops39h 45m

Sanya Phoenix Intl

Thu 10/8

6:45 am-10:57 pm

2 stops31h 12m

$936

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 9/8

7:56 pm-11:30 am

2 stops24h 34m

Sanya Phoenix Intl

Thu 10/8

11:10 am-8:16 am

3 stops36h 06m

$1,282

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 9/10

4:59 pm-6:20 pm

2 stops34h 21m

Sanya Phoenix Intl

Thu 10/8

3:40 pm-8:16 am

3 stops31h 36m

$1,356

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Tue 9/8

12:25 pm-12:45 pm

1 stop33h 20m

Sanya Phoenix Intl

Thu 10/8

9:45 pm-9:00 am

2 stops50h 15m

$1,376

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 9/10

11:05 am-10:50 am

1 stop32h 45m

Sanya Phoenix Intl

Thu 10/8

11:10 pm-9:00 am

2 stops48h 50m

$1,377

PortlandHaikou

PDX - HAK

PDXHAK

Portland

Tue 9/29

6:30 am-12:20 pm

2 stops38h 50m

Haikou Meilan Intl

Fri 10/2

6:50 pm-4:10 pm

2 stops36h 20m

$1,948

PortlandHaikou

PDX - HAK

PDXHAK

Portland

Tue 9/29

6:30 am-12:20 pm

2 stops38h 50m

Haikou Meilan Intl

Fri 10/2

7:55 pm-4:10 pm

2 stops35h 15m

$2,286

PortlandHaikou

PDX - HAK

PDXHAK

Portland

Tue 9/29

6:30 am-10:50 am

2 stops37h 20m

Haikou Meilan Intl

Fri 10/2

7:55 pm-4:10 pm

2 stops35h 15m

$2,624

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

Prices

Airlines

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

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

Fastest flight time	25h 00m
Direct flights	None

The fastest flight from State of Washington to Hainan takes 25h 00m

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 May 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 66 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.