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Cheap flights from Washington, D.C. Dulles Intl Airport to Haikou from $1,049

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Haikou departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
2:53 pm - 3:40 pm
IAD
-
HAK
36h 47m
2 stops
Cathay Pacific Logo
4:50 pm - 2:18 pm
HAK
-
IAD
57h 28m
2 stops
$1,049Cathay Pacific
Wed, Sep 2 - Wed, Sep 30
Cathay Pacific Logo
6:41 pm - 3:40 pm
IAD
-
HAK
32h 59m
2 stops
Cathay Pacific Logo
4:50 pm - 11:23 pm
HAK
-
IAD
42h 33m
2 stops
$1,154Cathay Pacific
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
2:53 pm - 3:40 pm
IAD
-
HAK
36h 47m
2 stops
Multiple Airlines Logo
4:50 pm - 12:58 am
HAK
-
IAD
44h 08m
2 stops
$1,327Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Cathay Pacific Logo
7:31 pm - 3:40 pm
IAD
-
HAK
32h 09m
2 stops
Cathay Pacific Logo
4:50 pm - 2:02 pm
HAK
-
IAD
57h 12m
2 stops
$1,695Cathay Pacific
Wed, Jul 22 - Tue, Aug 18
Multiple Airlines Logo
10:55 pm - 6:55 pm
IAD
-
HAK
55h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 4:45 pm
HAK
-
IAD
57h 40m
2 stops
$1,852Multiple Airlines
Sun, Dec 20 - Wed, Jan 6
Multiple Airlines Logo
10:55 pm - 6:55 pm
IAD
-
HAK
55h 00m
2 stops
Multiple Airlines Logo
8:05 pm - 4:45 pm
HAK
-
IAD
57h 40m
2 stops
$1,882Multiple Airlines
Sun, Dec 20 - Tue, Jan 5
Multiple Airlines Logo
9:00 pm - 8:05 pm
IAD
-
HAK
35h 05m
2 stops
Multiple Airlines Logo
8:25 am - 8:45 am
HAK
-
IAD
36h 20m
2 stops
$1,913Multiple Airlines
Tue, Aug 4 - Mon, Aug 10
Multiple Airlines Logo
11:00 pm - 11:45 am
IAD
-
HAK
24h 45m
1 stop
Multiple Airlines Logo
10:30 pm - 11:35 am
HAK
-
IAD
49h 05m
2 stops
$2,139Multiple Airlines
Tue, Aug 4 - Mon, Aug 10
Air China Logo
9:28 am - 2:10 pm
IAD
-
HAK
40h 42m
2 stops
Air China Logo
3:25 pm - 10:09 pm
HAK
-
IAD
42h 44m
2 stops
$2,167Air China
Mon, Sep 28 - Fri, Oct 2
Air China Logo
9:28 am - 2:10 pm
IAD
-
HAK
40h 42m
2 stops
Air China Logo
3:25 pm - 10:09 pm
HAK
-
IAD
42h 44m
2 stops
$2,181Air China
Mon, Sep 28 - Fri, Oct 2

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Cathay Pacific flights from Washington, D.C. Dulles Intl Airport to Haikou

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Haikou flight tickets
Cathay Pacific
Sep 2
IAD2:53 pmWashington, D.C. Dulles Intl
36h 47m
2 stops
HAK3:40 pmHaikou Meilan Intl
Sep 30
HAK4:50 pmHaikou Meilan Intl
57h 28m
2 stops
IAD2:18 pmWashington, D.C. Dulles Intl
$1,049
Cathay Pacific
Oct 1
IAD6:41 pmWashington, D.C. Dulles Intl
32h 59m
2 stops
HAK3:40 pmHaikou Meilan Intl
Oct 5
HAK4:50 pmHaikou Meilan Intl
42h 33m
2 stops
IAD11:23 pmWashington, D.C. Dulles Intl
$1,154
Cathay Pacific
Jul 22
IAD7:31 pmWashington, D.C. Dulles Intl
32h 09m
2 stops
HAK3:40 pmHaikou Meilan Intl
Aug 18
HAK4:50 pmHaikou Meilan Intl
57h 12m
2 stops
IAD2:02 pmWashington, D.C. Dulles Intl
$1,695

Air China flights from Washington, D.C. Dulles Intl Airport to Haikou

Our best Air China deals on Washington, D.C. Dulles Intl Airport to Haikou flight tickets
Air China
Sep 28
IAD9:28 amWashington, D.C. Dulles Intl
40h 42m
2 stops
HAK2:10 pmHaikou Meilan Intl
Oct 2
HAK3:25 pmHaikou Meilan Intl
42h 44m
2 stops
IAD10:09 pmWashington, D.C. Dulles Intl
$2,167
Air China
Sep 28
IAD9:28 amWashington, D.C. Dulles Intl
40h 42m
2 stops
HAK2:10 pmHaikou Meilan Intl
Oct 2
HAK3:25 pmHaikou Meilan Intl
42h 44m
2 stops
IAD10:09 pmWashington, D.C. Dulles Intl
$2,181
Air China
Sep 28
IAD9:28 amWashington, D.C. Dulles Intl
40h 42m
2 stops
HAK2:10 pmHaikou Meilan Intl
Oct 2
HAK3:25 pmHaikou Meilan Intl
42h 44m
2 stops
IAD10:09 pmWashington, D.C. Dulles Intl
$2,182

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Haikou that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Haikou 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

Wed 9/2

2:53 pm-3:40 pm

2 stops36h 47m

Haikou Meilan Intl

Wed 9/30

4:50 pm-2:18 pm

2 stops57h 28m

$1,049

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Thu 10/1

6:41 pm-3:40 pm

2 stops32h 59m

Haikou Meilan Intl

Mon 10/5

4:50 pm-11:23 pm

2 stops42h 33m

$1,154

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Wed 9/2

2:53 pm-3:40 pm

2 stops36h 47m

Haikou Meilan Intl

Wed 9/30

4:50 pm-12:58 am

2 stops44h 08m

$1,327

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Wed 7/22

7:31 pm-3:40 pm

2 stops32h 09m

Haikou Meilan Intl

Tue 8/18

4:50 pm-2:02 pm

2 stops57h 12m

$1,695

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Sun 12/20

10:55 pm-6:55 pm

2 stops55h 00m

Haikou Meilan Intl

Wed 1/6

8:05 pm-4:45 pm

2 stops57h 40m

$1,852

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Sun 12/20

10:55 pm-6:55 pm

2 stops55h 00m

Haikou Meilan Intl

Tue 1/5

8:05 pm-4:45 pm

2 stops57h 40m

$1,882
Quickest round-trip

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Tue 8/4

9:00 pm-8:05 pm

2 stops35h 05m

Haikou Meilan Intl

Mon 8/10

8:25 am-8:45 am

2 stops36h 20m

$1,913

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Tue 8/4

11:00 pm-11:45 am

1 stop24h 45m

Haikou Meilan Intl

Mon 8/10

10:30 pm-11:35 am

2 stops49h 05m

$2,139

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Mon 9/28

9:28 am-2:10 pm

2 stops40h 42m

Haikou Meilan Intl

Fri 10/2

3:25 pm-10:09 pm

2 stops42h 44m

$2,167

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Mon 9/28

9:28 am-2:10 pm

2 stops40h 42m

Haikou Meilan Intl

Fri 10/2

3:25 pm-10:09 pm

2 stops42h 44m

$2,181

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Haikou

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Haikou according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Haikou (IAD to HAK) flight deals and tips

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

Fastest flight time

32h 09m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Haikou takes 32h 09m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Haikou. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Haikou.
Search flight deals

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

  • How far is Washington, D.C. Dulles Intl to Haikou Meilan Intl by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Haikou Meilan Intl is 8323.8 mi. A reasonable flight in good conditions will take 32h 09m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Haikou Meilan Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Haikou Meilan Intl Airport refresh daily.

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

    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 Haikou Meilan Intl Airport.

  • What documentation or ID do you need to fly to Haikou Meilan Intl Airport?

    The required travel and health documents for your Haikou Meilan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Haikou Meilan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Haikou?

    Search flight deals from Washington, D.C. Dulles Intl Airport to Haikou. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Haikou with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

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 Haikou for you.

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

Yes. All flights to Haikou from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington, D.C. and Haikou 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 Haikou right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Haikou now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Haikou and let you know when they change.

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