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Cheap flights from Washington, D.C. to Haikou from $597

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Haikou departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Haikou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 3:40 pm
IAD
-
HAK
45h 40m
2 stops
Multiple Airlines Logo
4:50 pm - 11:59 pm
HAK
-
IAD
43h 09m
2 stops
$1,077Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
6:00 am - 3:40 pm
IAD
-
HAK
45h 40m
2 stops
Multiple Airlines Logo
4:50 pm - 11:59 pm
HAK
-
IAD
43h 09m
2 stops
$1,078Multiple Airlines
Wed, Sep 2 - Wed, Sep 30
Multiple Airlines Logo
9:00 pm - 11:45 pm
IAD
-
HAK
38h 45m
2 stops
Multiple Airlines Logo
8:25 am - 8:45 am
HAK
-
IAD
36h 20m
2 stops
$1,524Multiple Airlines
Mon, Jul 13 - Wed, Jul 22
Multiple Airlines Logo
11:35 am - 3:40 pm
DCA
-
HAK
40h 05m
2 stops
Multiple Airlines Logo
4:50 pm - 10:59 pm
HAK
-
DCA
42h 09m
2 stops
$1,661Multiple Airlines
Mon, Jul 13 - Wed, Jul 22
Multiple Airlines Logo
5:00 pm - 9:00 pm
DCA
-
HAK
40h 00m
2 stops
Multiple Airlines Logo
9:35 pm - 4:16 pm
HAK
-
DCA
30h 41m
3 stops
$1,836Multiple Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
12:46 pm - 3:40 pm
IAD
-
HAK
38h 54m
3 stops
Multiple Airlines Logo
11:45 am - 8:24 pm
HAK
-
IAD
44h 39m
3 stops
$1,839Multiple Airlines
Mon, Jul 13 - Wed, Jul 22
Cathay Pacific Logo
10:10 pm - 3:40 pm
DCA
-
HAK
53h 30m
2 stops
Cathay Pacific Logo
4:50 pm - 8:59 pm
HAK
-
DCA
40h 09m
2 stops
$2,000Cathay Pacific
Tue, Jun 23 - Tue, Jun 30
Cathay Pacific Logo
5:22 pm - 3:40 pm
DCA
-
HAK
58h 18m
2 stops
Cathay Pacific Logo
4:50 pm - 5:59 pm
HAK
-
DCA
37h 09m
2 stops
$2,103Cathay Pacific
Wed, Jul 8 - Wed, Jul 15
Air China Logo
11:00 pm - 12:10 pm
IAD
-
HAK
25h 10m
1 stop
Air China Logo
9:10 am - 7:30 pm
HAK
-
IAD
22h 20m
1 stop
$2,328Air China
Tue, Sep 15 - Tue, Oct 13
Cathay Pacific Logo
7:07 pm - 3:40 pm
BWI
-
HAK
31h 33m
2 stops
Cathay Pacific Logo
4:50 pm - 10:54 pm
HAK
-
BWI
43h 04m
2 stops
$7,324Cathay Pacific
Thu, Nov 5 - Mon, Nov 9

Cathay Pacific flights from Washington, D.C. to Haikou

Our best Cathay Pacific deals on Washington, D.C. to Haikou flight tickets
Cathay Pacific
Jun 23
DCA10:10 pmWashington, D.C. Reagan-National
53h 30m
2 stops
HAK3:40 pmHaikou Meilan Intl
Jun 30
HAK4:50 pmHaikou Meilan Intl
40h 09m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$2,000
Cathay Pacific
Jul 8
DCA5:22 pmWashington, D.C. Reagan-National
58h 18m
2 stops
HAK3:40 pmHaikou Meilan Intl
Jul 15
HAK4:50 pmHaikou Meilan Intl
37h 09m
2 stops
DCA5:59 pmWashington, D.C. Reagan-National
$2,103
Cathay Pacific
Nov 5
BWI7:07 pmBaltimore/Washington
31h 33m
2 stops
HAK3:40 pmHaikou Meilan Intl
Nov 9
HAK4:50 pmHaikou Meilan Intl
43h 04m
2 stops
BWI10:54 pmBaltimore/Washington
$7,324

Air China flights from Washington, D.C. to Haikou

Our best Air China deals on Washington, D.C. to Haikou flight tickets
Air China
Sep 15
IAD11:00 pmWashington, D.C. Dulles Intl
25h 10m
1 stop
HAK12:10 pmHaikou Meilan Intl
Oct 13
HAK9:10 amHaikou Meilan Intl
22h 20m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$2,328
Air China
Jun 23
IAD11:00 pmWashington, D.C. Dulles Intl
25h 10m
1 stop
HAK12:10 pmHaikou Meilan Intl
Jun 30
HAK9:10 amHaikou Meilan Intl
22h 20m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$2,722

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 May 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. 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

6:00 am-3:40 pm

2 stops45h 40m

Haikou Meilan Intl

Wed 9/30

4:50 pm-11:59 pm

2 stops43h 09m

$1,077

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Wed 9/2

6:00 am-3:40 pm

2 stops45h 40m

Haikou Meilan Intl

Wed 9/30

4:50 pm-11:59 pm

2 stops43h 09m

$1,078

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Mon 7/13

9:00 pm-11:45 pm

2 stops38h 45m

Haikou Meilan Intl

Wed 7/22

8:25 am-8:45 am

2 stops36h 20m

$1,524

Washington, D.C.Haikou

DCA - HAK

DCAHAK

Washington, D.C. Reagan-National

Mon 7/13

11:35 am-3:40 pm

2 stops40h 05m

Haikou Meilan Intl

Wed 7/22

4:50 pm-10:59 pm

2 stops42h 09m

$1,661

Washington, D.C.Haikou

DCA - HAK

DCAHAK

Washington, D.C. Reagan-National

Wed 7/8

5:00 pm-9:00 pm

2 stops40h 00m

Haikou Meilan Intl

Wed 7/15

9:35 pm-4:16 pm

3 stops30h 41m

$1,836

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Mon 7/13

12:46 pm-3:40 pm

3 stops38h 54m

Haikou Meilan Intl

Wed 7/22

11:45 am-8:24 pm

3 stops44h 39m

$1,839

Washington, D.C.Haikou

DCA - HAK

DCAHAK

Washington, D.C. Reagan-National

Tue 6/23

10:10 pm-3:40 pm

2 stops53h 30m

Haikou Meilan Intl

Tue 6/30

4:50 pm-8:59 pm

2 stops40h 09m

$2,000

Washington, D.C.Haikou

DCA - HAK

DCAHAK

Washington, D.C. Reagan-National

Wed 7/8

5:22 pm-3:40 pm

2 stops58h 18m

Haikou Meilan Intl

Wed 7/15

4:50 pm-5:59 pm

2 stops37h 09m

$2,103
Quickest round-trip

Washington, D.C.Haikou

IAD - HAK

IADHAK

Washington, D.C. Dulles Intl

Tue 9/15

11:00 pm-12:10 pm

1 stop25h 10m

Haikou Meilan Intl

Tue 10/13

9:10 am-7:30 pm

1 stop22h 20m

$2,328

BaltimoreHaikou

BWI - HAK

BWIHAK

Baltimore/Washington

Thu 11/5

7:07 pm-3:40 pm

2 stops31h 33m

Haikou Meilan Intl

Mon 11/9

4:50 pm-10:54 pm

2 stops43h 04m

$7,324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Haikou from

How to get the cheapest flight ticket from Washington, D.C. to Haikou

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

What is the cheapest airline that flies from Washington, D.C. to Haikou Meilan Intl?

Cathay Pacific is the most popular carrier operating from Washington, D.C. to Haikou Meilan Intl

When to book flights from Washington, D.C. to Haikou

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Haikou (WAS to HAK) flight deals and tips

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

Fastest flight time

28h 18m

Direct flights

None
The fastest flight from Washington, D.C. to Haikou takes 28h 18m
There are no direct flights from Washington, D.C. to Haikou. There are no popular flight routes from Washington, D.C. to Haikou.
Search flight deals

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

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

    Haikou Meilan Intl is 8329.9 mi away from Washington, D.C.. 28h 18m is a normal flight duration for this route.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Haikou from Washington, D.C..

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

Yes. momondo allows you to filter the results for Washington, D.C. to Haikou flights to just show those with flexible booking policies.

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?

Of course. momondo tracks the price of Washington, D.C. to Haikou flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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