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

There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Hainan in 50h 40m. Fly via Air China to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Hainan is about 8330 mi.

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 is the cheapest time of day to fly from IAD to HA?

When flying from Washington, D.C. Dulles Intl Airport 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 Dulles Intl to Hainan that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Hainan flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Hainan?

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

Can I find deals for business class flights from Dulles Intl to Hainan?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$1,282+ Flights from Washington, D.C. Dulles Intl Airport to Hainan

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Cheap flight deals from Dulles Intl to Hainan

Cheapest flights from Dulles Intl to Hainan
Explore the most affordable flight options available from Dulles Intl to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Sat 12/208:05 pmIAD - HAK

2 stops32h 50mMultiple Airlines

Wed 12/314:40 pmHAK - IAD

2 stops36h 15mMultiple Airlines

Deal found 12/13

$9,039

Best flights from Dulles Intl to Hainan
Discover carefully curated flight deals from Dulles Intl to Hainan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Sun 4/511:05 amIAD - SYX

2 stops37h 40mMultiple Airlines

Sun 4/191:45 pmSYX - IAD

2 stops38h 20mMultiple Airlines

Deal found 12/12

$1,282

Wed 3/116:15 amIAD - HAK

2 stops50h 40mAir China

Sun 3/158:05 pmHAK - IAD

2 stops59h 25mAir China

Deal found 12/12

$1,332

Sun 4/57:09 pmIAD - SYX

2 stops40h 46mAmerican Airlines

Sun 4/198:00 amSYX - IAD

3 stops36h 38mAmerican Airlines

Deal found 12/12

$1,861

Thu 1/223:19 pmIAD - SYX

2 stops37h 21mAir China

Mon 1/268:30 pmSYX - IAD

1 stop35h 00mAir China

Deal found 12/11

$1,549

Thu 2/123:45 pmIAD - SYX

2 stops36h 55mAir China

Mon 2/2311:00 pmSYX - IAD

2 stops45h 15mAir China

Deal found 12/12

$1,636

Fri 4/1711:00 pmIAD - HAK

1 stop34h 00mAir China

Tue 4/211:15 pmHAK - IAD

2 stops43h 57mAir China

Deal found 12/14

$1,661

Last-minute flights from Dulles Intl to Hainan
Discover last-minute flight deals from Dulles Intl to Hainan. Data last updated December 15, 2025 and is based on user searches.

Sat 12/208:05 pmIAD - HAK

2 stops32h 50mMultiple Airlines

Wed 12/314:40 pmHAK - IAD

2 stops36h 15mMultiple Airlines

Deal found 12/13

$9,039

Thu 1/223:19 pmIAD - SYX

2 stops37h 21mAir China

Mon 1/266:00 pmSYX - IAD

1 stop37h 30mAir China

Deal found 12/12

$1,549

Find flight deals from Dulles Intl to Hainan

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Round-trip from	$1,282 (Orbitz)

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From Washington, D.C. Dulles Intl to Hainan

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Route

Depart

Return

Price

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 4/5

11:05 am-12:45 pm

2 stops37h 40m

Sanya Phoenix Intl

Sun 4/19

1:45 pm-4:05 pm

2 stops38h 20m

$1,282

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Wed 3/11

6:15 am-8:55 pm

2 stops50h 40m

Haikou Meilan Intl

Sun 3/15

8:05 pm-7:30 pm

2 stops59h 25m

$1,332

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 1/22

3:19 pm-5:40 pm

2 stops37h 21m

Sanya Phoenix Intl

Mon 1/26

8:30 pm-6:30 pm

1 stop35h 00m

$1,549

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 2/12

3:45 pm-5:40 pm

2 stops36h 55m

Sanya Phoenix Intl

Mon 2/23

11:00 pm-7:15 am

2 stops45h 15m

$1,636

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Fri 4/17

11:00 pm-9:00 pm

1 stop34h 00m

Haikou Meilan Intl

Tue 4/21

1:15 pm-9:12 pm

2 stops43h 57m

$1,661

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 4/5

7:09 pm-11:55 pm

2 stops40h 46m

Sanya Phoenix Intl

Sun 4/19

8:00 am-8:38 am

3 stops36h 38m

$1,861

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Dulles Intl to Hainan

Have a flexible travel schedule? Discover the best time to fly to Hainan from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

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Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Hainan?
There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Hainan in 50h 40m. Fly via Air China to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to Hainan is about 8330 mi.
Can I find deals for flights from Dulles Intl to Hainan that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Hainan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Hainan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hainan.
Can I find deals for business class flights from Dulles Intl to Hainan?
Yes. Cheapflights offers flight deals from Dulles Intl 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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$1,282+ Cheap flights from Dulles Intl (IAD) to Hainan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Hainan with Cheapflights

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Cheap flight deals from Dulles Intl to Hainan

Cheapest flights from Dulles Intl to HainanExplore the most affordable flight options available from Dulles Intl to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Dulles Intl to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from Dulles Intl to Hainan

Keep the following information in mind while searching for Dulles Intl to Hainan flight deals. Data was last updated December 15, 2025.

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Best time to book a flight from Dulles Intl to Hainan

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Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Hainan?

Can I find deals for flights from Dulles Intl to Hainan that include hotel bookings?

How can I find direct flights from Dulles Intl to Hainan?

Can I find deals for business class flights from Dulles Intl to Hainan?

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Alternative routes for Dulles Intl to Hainan

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Cheapest flights from Dulles Intl to Hainan
Explore the most affordable flight options available from Dulles Intl to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.