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 March 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.

$710 Cheap Flights from Washington to Hainan in 2026

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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.

7:20 am - 1:05 pm

SEA

SYX

38h 45m

2 stops

2:45 pm - 4:55 pm

SYX

SEA

41h 10m

2 stops

$1,070China Eastern

Thu, Sep 3 - Mon, Sep 7

6:30 am - 1:10 am

PDX

SYX

27h 40m

2 stops

6:40 am - 4:10 pm

SYX

PDX

24h 30m

2 stops

$1,196China Eastern

Sun, Sep 6 - Thu, Sep 10

6:30 am - 5:50 pm

PDX

HAK

44h 20m

2 stops

1:35 pm - 4:10 pm

HAK

PDX

41h 35m

2 stops

$1,221China Eastern

Tue, Sep 8 - Fri, Sep 11

7:20 am - 1:05 pm

SEA

SYX

38h 45m

2 stops

5:30 pm - 4:55 pm

SYX

SEA

38h 25m

2 stops

$1,255China Eastern

Thu, Sep 3 - Mon, Sep 7

China Eastern flights from State of Washington to Hainan

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

China Eastern

Sep 3

SEA7:20 amSeattle/Tacoma Intl

38h 45m

2 stops

SYX1:05 pmSanya Phoenix Intl

Sep 7

SYX2:45 pmSanya Phoenix Intl

41h 10m

2 stops

SEA4:55 pmSeattle/Tacoma Intl

$1,070

China Eastern

Sep 6

PDX6:30 amPortland

27h 40m

2 stops

SYX1:10 amSanya Phoenix Intl

Sep 10

SYX6:40 amSanya Phoenix Intl

24h 30m

2 stops

PDX4:10 pmPortland

$1,196

China Eastern

Sep 8

PDX6:30 amPortland

44h 20m

2 stops

HAK5:50 pmHaikou Meilan Intl

Sep 11

HAK1:35 pmHaikou Meilan Intl

41h 35m

2 stops

PDX4:10 pmPortland

$1,221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 9/3

7:20 am-1:05 pm

2 stops38h 45m

Sanya Phoenix Intl

Mon 9/7

2:45 pm-4:55 pm

2 stops41h 10m

$1,070

Quickest round-trip

PortlandSanya

PDX - SYX

PDXSYX

Portland

Sun 9/6

6:30 am-1:10 am

2 stops27h 40m

Sanya Phoenix Intl

Thu 9/10

6:40 am-4:10 pm

2 stops24h 30m

$1,196

PortlandHaikou

PDX - HAK

PDXHAK

Portland

Tue 9/8

6:30 am-5:50 pm

2 stops44h 20m

Haikou Meilan Intl

Fri 9/11

1:35 pm-4:10 pm

2 stops41h 35m

$1,221

SeattleSanya

SEA - SYX

SEASYX

Seattle/Tacoma Intl

Thu 9/3

7:20 am-1:05 pm

2 stops38h 45m

Sanya Phoenix Intl

Mon 9/7

5:30 pm-4:55 pm

2 stops38h 25m

$1,255

Cheapest one-way

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

5:34 pm-3:30 pm

2 stops30h 56m

$710

Quickest one-way

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

7:00 am-1:10 am

2 stops27h 10m

$711

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

2:45 pm-3:30 pm

2 stops33h 45m

$720

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

7:00 am-1:10 am

2 stops27h 10m

$772

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

10:57 pm-11:55 pm

3 stops33h 58m

$824

PortlandSanya

PDX - SYX

PDXSYX

Portland

Wed 7/15

10:57 pm-11:55 pm

3 stops33h 58m

$929

Flights are sorted by cheapest round-trip flights first.

Sorted 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

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

There is only 1 cabin class 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

Fastest flight time	26h 50m
Direct flights	None

The fastest flight from State of Washington to Hainan takes 26h 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

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 March 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 $1,088	Free Cancellation	Rating 8.3 63 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.