How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Hainan?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Hainan.

What documentation or ID do you need to fly to Hainan?

The necessary travel and health documents for your Hainan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,277 Cheap Flights from Washington, D.C. Dulles Intl Airport to Hainan in 2026

1 adult

0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Hainan

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:53 pm - 3:40 pm

IAD

HAK

36h 47m

2 stops

4:50 pm - 5:00 am

HAK

IAD

48h 10m

2 stops

$1,277Cathay Pacific

mer, set 2 - mer, set 30

6:30 am - 2:10 pm

IAD

HAK

43h 40m

2 stops

8:00 pm - 7:30 pm

HAK

IAD

59h 30m

2 stops

$2,376Air China

mer, set 30 - dom, ott 4

12:50 pm - 3:40 pm

IAD

HAK

38h 50m

3 stops

4:50 pm - 12:14 am

HAK

IAD

43h 24m

2 stops

$4,795Multiple Airlines

mer, set 2 - mer, set 30

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

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

mer 9/2

2:53 pm-3:40 pm

2 stops36h 47m

Haikou Meilan Intl

mer 9/30

4:50 pm-5:00 am

2 stops48h 10m

$1,277

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

mer 9/30

6:30 am-2:10 pm

2 stops43h 40m

Haikou Meilan Intl

dom 10/4

8:00 pm-7:30 pm

2 stops59h 30m

$2,376

Quickest round-trip

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

mer 9/2

12:50 pm-3:40 pm

3 stops38h 50m

Haikou Meilan Intl

mer 9/30

4:50 pm-12:14 am

2 stops43h 24m

$4,795

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Hainan flights?

You could potentially save up to 2% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Hainan flight.

Cheap Washington, D.C. Dulles Intl Airport to Hainan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Hainan

Fastest flight time	36h 47m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Hainan takes 36h 47m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Hainan. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Hainan.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Hainan

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Hainan?
Prices for flights from Washington, D.C. Dulles Intl Airport to Hainan are updated daily.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Hainan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Hainan.
What documentation or ID do you need to fly to Hainan?
The necessary travel and health documents for your Hainan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hainan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Hainan for you.

Can I find flights from Washington, D.C. to Hainan with flexible booking policies on momondo?

Flights from Washington, D.C. to Hainan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Hainan?

momondo helps you find the best flight between Washington, D.C. and Hainan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Hainan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hainan, momondo offers a useful price alert feature which will track prices for flights to Hainan from Washington, D.C. and alert you when they change.