How long is the flight from Washington, D.C. to Hainan?

For as low as $1,354, Cathay Pacific can have you in Hainan from Washington, D.C. in 39h 43m. The distance from Washington, D.C. to Hainan is about 8340 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Hainan ranges from 0.8 - 10.6 inches per month. September is typically the wettest month, when rainfall can reach 10.6 in. January is typically the driest time to visit Hainan when rainfall is around 0.8 in.

If weather is an important factor for your trip to Hainan, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

What are the most popular routes from Washington, D.C. to Hainan?

Most travelers choose Washington, D.C. Dulles Intl - Sanya Phoenix Intl, Baltimore/Washington - Haikou Meilan Intl or Washington, D.C. Dulles Intl - Haikou Meilan Intl when deciding on the best route from Washington, D.C. to Hainan.

What is the cheapest time of day to fly from WAS to HA?

When flying from Washington, D.C. to Hainan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Washington, D.C. to Hainan that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Hainan flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Hainan?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Hainan.

Can I find deals for business class flights from Washington, D.C. to Hainan?

Yes. Cheapflights offers flight deals from Washington, D.C. to Hainan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$537+ Flights from Washington, D.C. to Hainan

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Cheap flight deals from Washington, D.C. to Hainan

Cheapest flights from Washington, D.C. to Hainan
Explore the most affordable flight options available from Washington, D.C. to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Wed 9/211:51 am

IAD

HAK

2 stops39h 49m

Cathay Pacific

Wed 9/304:50 pm

HAK

IAD

2 stops54h 05m

Cathay Pacific

Deal found 1/28

$1,203

Thu 3/1911:57 am

DCA

HAK

2 stops39h 43m

Cathay Pacific

Mon 3/234:50 pm

HAK

DCA

2 stops38h 05m

Cathay Pacific

Deal found 1/28

$1,354

Wed 3/186:15 am

IAD

HAK

2 stops44h 00m

Air China

Sun 3/228:05 pm

HAK

IAD

2 stops59h 25m

Air China

Deal found 1/28

$1,427

Wed 3/186:15 am

IAD

SYX

2 stops41h 00m

Air China

Sun 3/228:30 pm

SYX

IAD

2 stops46h 59m

Air China

Deal found 1/28

$1,461

Thu 9/105:50 pm

BWI

SYX

2 stops29h 50m

Air China

Mon 9/1412:55 pm

SYX

BWI

2 stops30h 06m

Air China

Deal found 1/26

$2,105

Sat 3/146:25 pm

BWI

SYX

2 stops52h 20m

Multiple Airlines

Sat 3/218:30 pm

SYX

BWI

2 stops44h 35m

Multiple Airlines

Deal found 1/28

$2,162

Wed 3/1811:00 am

DCA

SYX

2 stops38h 40m

China Eastern

Sun 3/226:30 am

SYX

DCA

2 stops28h 06m

China Eastern

Deal found 1/28

$2,279

Thu 9/105:50 pm

BWI

HAK

2 stops31h 30m

Air China

Mon 9/142:30 pm

HAK

BWI

2 stops28h 31m

Air China

Deal found 1/28

$2,352

Wed 9/21:00 pm

IAD

HAK

3 stops38h 40m

Multiple Airlines

Wed 9/304:50 pm

HAK

IAD

2 stops43h 07m

Multiple Airlines

Deal found 1/27

$4,542

Best flights from Washington, D.C. to Hainan
Discover carefully curated flight deals from Washington, D.C. to Hainan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Thu 3/1911:57 am

DCA

HAK

2 stops39h 43m

Cathay Pacific

Mon 3/234:50 pm

HAK

DCA

2 stops38h 05m

Cathay Pacific

Deal found 1/26

$1,354

Wed 3/186:15 am

IAD

HAK

2 stops44h 00m

Air China

Sun 3/228:05 pm

HAK

IAD

2 stops59h 25m

Air China

Deal found 1/26

$1,427

Sat 3/146:25 pm

BWI

SYX

2 stops52h 20m

Multiple Airlines

Sat 3/218:30 pm

SYX

BWI

2 stops44h 35m

Multiple Airlines

Deal found 1/28

$2,162

Wed 3/1811:00 am

DCA

SYX

2 stops45h 05m

China Eastern

Sun 3/226:30 am

SYX

DCA

2 stops28h 06m

China Eastern

Deal found 1/26

$2,279

Wed 3/186:15 am

IAD

SYX

2 stops40h 30m

Air China

Sun 3/228:30 pm

SYX

IAD

2 stops46h 59m

Air China

Deal found 1/26

$1,461

One-way flights from Washington, D.C. to Hainan
Search for one-way flight options from Washington, D.C. to Hainan. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.

Mon 3/163:35 pm

IAD

SYX

3 stops64h 30m

Multiple Airlines

Deal found 1/28

$537

Mon 3/163:35 pm

IAD

SYX

2 stops43h 55m

Etihad Airways

Deal found 1/28

$599

Mon 3/1611:00 am

DCA

SYX

2 stops38h 40m

China Eastern

Deal found 1/28

$1,077

Mon 3/165:01 pm

DCA

SYX

3 stops44h 54m

Multiple Airlines

Deal found 1/28

$1,736

Mon 3/165:12 pm

BWI

SYX

3 stops44h 43m

Multiple Airlines

Deal found 1/28

$1,736

Sat 2/286:10 pm

IAD

HAK

3 stops57h 45m

Multiple Airlines

Deal found 1/28

$2,140

Fri 2/275:05 pm

IAD

HAK

3 stops58h 25m

Multiple Airlines

Deal found 1/28

$2,883

Fri 2/2710:00 pm

IAD

HAK

1 stop23h 15m

Air China

Deal found 1/28

$4,799

Find flight deals from Washington, D.C. to Hainan

Most accurate provider	AranGrant 2 stars
Most trusted provider	AranGrant 2 stars
Round-trip from	$1,354 (Cathay Pacific)
One-way from	$537 (Trip.com)

Provider with most accurate pricing for Washington, D.C. (WAS)-Haikou Meilan Intl flight deals.

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From Washington, D.C. (WAS) to Hainan

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One-way flight from Washington, D.C. (WAS) to Hainan

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Use the filters below to find and compare flights from Washington, D.C. to Hainan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Haikou

DCA - HAK

DCAHAK

Washington, D.C. Reagan-National

Thu 3/19

11:57 am-3:40 pm

2 stops39h 43m

Haikou Meilan Intl

Mon 3/23

4:50 pm-6:55 pm

2 stops38h 05m

$1,354

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Wed 3/18

6:15 am-2:15 pm

2 stops44h 00m

Haikou Meilan Intl

Sun 3/22

8:05 pm-7:30 pm

2 stops59h 25m

$1,427

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Wed 3/18

6:15 am-10:45 am

2 stops40h 30m

Sanya Phoenix Intl

Sun 3/22

8:30 pm-7:29 am

2 stops46h 59m

$1,461

BaltimoreSanya

BWI - SYX

BWISYX

Baltimore/Washington

Sat 3/14

6:25 pm-10:45 am

2 stops52h 20m

Sanya Phoenix Intl

Sat 3/21

8:30 pm-5:05 am

2 stops44h 35m

$2,162

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Wed 3/18

11:00 am-8:05 pm

2 stops45h 05m

Sanya Phoenix Intl

Sun 3/22

6:30 am-10:36 pm

2 stops28h 06m

$2,279

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Mon 3/16

3:35 pm-8:05 pm

3 stops64h 30m

$537

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Mon 3/16

3:35 pm-11:30 pm

2 stops43h 55m

$599

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Mon 3/16

11:00 am-1:40 pm

2 stops38h 40m

$1,077

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Mon 3/16

5:01 pm-1:55 am

3 stops44h 54m

$1,736

BaltimoreSanya

BWI - SYX

BWISYX

Baltimore/Washington

Mon 3/16

5:12 pm-1:55 am

3 stops44h 43m

$1,736

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 13 results

Best time to book a flight from Washington, D.C. to Hainan

Have a flexible travel schedule? Discover the best time to fly to Hainan from Washington, D.C. with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. to Hainan

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Related info for your journey

How long is the flight from Washington, D.C. to Hainan?
For as low as $1,354, Cathay Pacific can have you in Hainan from Washington, D.C. in 39h 43m. The distance from Washington, D.C. to Hainan is about 8340 mi. This flight may include one or multiple stops.
What are the most popular routes from Washington, D.C. to Hainan?
Most travelers choose Washington, D.C. Dulles Intl - Sanya Phoenix Intl, Baltimore/Washington - Haikou Meilan Intl or Washington, D.C. Dulles Intl - Haikou Meilan Intl when deciding on the best route from Washington, D.C. to Hainan.
Can I find deals for flights from Washington, D.C. to Hainan that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Hainan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Hainan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Hainan.
Can I find deals for business class flights from Washington, D.C. to Hainan?
Yes. Cheapflights offers flight deals from Washington, D.C. to Hainan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$537+ Cheap flights from Washington, D.C. (WAS) to Hainan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Hainan with Cheapflights

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Cheap flight deals from Washington, D.C. to Hainan

Cheapest flights from Washington, D.C. to HainanExplore the most affordable flight options available from Washington, D.C. to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Explore the most affordable flight options available from Washington, D.C. to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Find flight deals from Washington, D.C. to Hainan

Keep the following information in mind while searching for Washington, D.C. to Hainan flight deals. Data was last updated January 29, 2026.

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Round-trip from

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Best time to book a flight from Washington, D.C. to Hainan

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Everything you need to know about your flight from Washington, D.C. to Hainan

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Hainan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. to Hainan?

What are the most popular routes from Washington, D.C. to Hainan?

Can I find deals for flights from Washington, D.C. to Hainan that include hotel bookings?

How can I find direct flights from Washington, D.C. to Hainan?

Can I find deals for business class flights from Washington, D.C. to Hainan?

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Cheapest flights from Washington, D.C. to Hainan
Explore the most affordable flight options available from Washington, D.C. to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.