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Cheap flights from Washington, D.C. to Sanya from $1,134

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. to Sanya departing on 1/18. 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 Sanya

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:59 am - 12:35 pmDCA-SYX
37h 36m2 stops
Multiple Airlines Logo
2:45 pm - 8:00 pmSYX-DCA
42h 15m2 stops
$1,134Multiple Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
8:05 pm - 10:35 pmIAD-SYX
37h 30m2 stops
Multiple Airlines Logo
7:00 am - 3:55 pmSYX-IAD
45h 55m2 stops
$1,232Multiple Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
China Eastern Logo
11:10 am - 7:30 pmDCA-SYX
43h 20m2 stops
China Eastern Logo
8:40 pm - 10:48 pmSYX-DCA
39h 08m2 stops
$1,390China Eastern
Find Deal
Mon, Jan 19 - Mon, Jan 26
Air China Logo
12:40 pm - 5:40 pmIAD-SYX
40h 00m2 stops
Air China Logo
6:50 pm - 6:30 pmSYX-IAD
36h 40m1 stop
$1,393Air China
Find Deal
Mon, Jan 19 - Mon, Jan 26
Air China Logo
3:45 pm - 7:20 pmIAD-SYX
38h 35m2 stops
Air China Logo
6:00 pm - 7:27 pmSYX-IAD
38h 27m2 stops
$1,412Air China
Find Deal
Thu, Feb 12 - Tue, Feb 24
Air China Logo
8:25 am - 5:40 pmIAD-SYX
44h 15m2 stops
Air China Logo
9:35 am - 6:30 pmSYX-IAD
45h 55m2 stops
$1,439Air China
Find Deal
Thu, Jan 15 - Mon, Jan 26
Air China Logo
3:19 pm - 5:40 pmIAD-SYX
37h 21m2 stops
Air China Logo
6:05 pm - 6:30 pmSYX-IAD
61h 25m2 stops
$1,447Air China
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Thu, Jan 15 - Sun, Jan 25
China Eastern Logo
11:10 am - 4:35 pmDCA-SYX
40h 25m2 stops
China Eastern Logo
6:30 am - 10:48 pmSYX-DCA
29h 18m2 stops
$1,517China Eastern
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Mon, Jan 19 - Sun, Jan 25
Multiple Airlines Logo
9:40 am - 2:30 pmDCA-SYX
39h 50m3 stops
Multiple Airlines Logo
2:35 pm - 10:35 pmSYX-DCA
45h 00m3 stops
$1,562Multiple Airlines
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Sun, Jan 18 - Sun, Jan 25
China Eastern Logo
11:10 am - 10:55 amDCA-SYX
34h 45m2 stops
China Eastern Logo
12:45 pm - 10:48 pmSYX-DCA
47h 03m2 stops
$1,643China Eastern
Find Deal
Mon, Jan 19 - Sat, Jan 24

China Eastern flights from Washington, D.C. to Sanya

Our best China Eastern deals on Washington, D.C. to Sanya flight tickets
China Eastern
Jan 19
DCA11:10 amWashington, D.C. Reagan-National
43h 20m
2 stops
SYX7:30 pmSanya Phoenix Intl
Jan 26
SYX8:40 pmSanya Phoenix Intl
39h 08m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
$1,390
Find similar
China Eastern
Jan 19
DCA11:10 amWashington, D.C. Reagan-National
40h 25m
2 stops
SYX4:35 pmSanya Phoenix Intl
Jan 25
SYX6:30 amSanya Phoenix Intl
29h 18m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
$1,517
Find similar
China Eastern
Jan 19
DCA11:10 amWashington, D.C. Reagan-National
34h 45m
2 stops
SYX10:55 amSanya Phoenix Intl
Jan 24
SYX12:45 pmSanya Phoenix Intl
47h 03m
2 stops
DCA10:48 pmWashington, D.C. Reagan-National
$1,643
Find similar

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

Our best Air China deals on Washington, D.C. to Sanya flight tickets
Air China
Jan 19
IAD12:40 pmWashington, D.C. Dulles Intl
40h 00m
2 stops
SYX5:40 pmSanya Phoenix Intl
Jan 26
SYX6:50 pmSanya Phoenix Intl
36h 40m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$1,393
Find similar
Air China
Feb 12
IAD3:45 pmWashington, D.C. Dulles Intl
38h 35m
2 stops
SYX7:20 pmSanya Phoenix Intl
Feb 24
SYX6:00 pmSanya Phoenix Intl
38h 27m
2 stops
IAD7:27 pmWashington, D.C. Dulles Intl
$1,412
Find similar
Air China
Jan 15
IAD8:25 amWashington, D.C. Dulles Intl
44h 15m
2 stops
SYX5:40 pmSanya Phoenix Intl
Jan 26
SYX9:35 amSanya Phoenix Intl
45h 55m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
$1,439
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momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Sanya 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 November 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sanya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Sun 1/18

9:59 am-12:35 pm

2 stops37h 36m

Sanya Phoenix Intl

Sun 1/25

2:45 pm-8:00 pm

2 stops42h 15m

$1,134

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 1/18

8:05 pm-10:35 pm

2 stops37h 30m

Sanya Phoenix Intl

Sun 1/25

7:00 am-3:55 pm

2 stops45h 55m

$1,232

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-7:30 pm

2 stops43h 20m

Sanya Phoenix Intl

Mon 1/26

8:40 pm-10:48 pm

2 stops39h 08m

$1,390

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Mon 1/19

12:40 pm-5:40 pm

2 stops40h 00m

Sanya Phoenix Intl

Mon 1/26

6:50 pm-6:30 pm

1 stop36h 40m

$1,393

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 2/12

3:45 pm-7:20 pm

2 stops38h 35m

Sanya Phoenix Intl

Tue 2/24

6:00 pm-7:27 pm

2 stops38h 27m

$1,412

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 1/15

8:25 am-5:40 pm

2 stops44h 15m

Sanya Phoenix Intl

Mon 1/26

9:35 am-6:30 pm

2 stops45h 55m

$1,439

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 1/15

3:19 pm-5:40 pm

2 stops37h 21m

Sanya Phoenix Intl

Sun 1/25

6:05 pm-6:30 pm

2 stops61h 25m

$1,447

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-4:35 pm

2 stops40h 25m

Sanya Phoenix Intl

Sun 1/25

6:30 am-10:48 pm

2 stops29h 18m

$1,517

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Sun 1/18

9:40 am-2:30 pm

3 stops39h 50m

Sanya Phoenix Intl

Sun 1/25

2:35 pm-10:35 pm

3 stops45h 00m

$1,562

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-10:55 am

2 stops34h 45m

Sanya Phoenix Intl

Sat 1/24

12:45 pm-10:48 pm

2 stops47h 03m

$1,643

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sanya from

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

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

How long does it take to fly to Sanya?

The flight from Washington, D.C. to Sanya depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Sanya (the most popular airport in Sanya), then the flight time is 35h 30m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sanya, then the average flight time is 37h 28m.

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

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

Cheap Washington, D.C. to Sanya (WAS to SYX) flight deals and tips

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

Fastest flight time

35h 30m

Direct flights

None
The fastest flight from Washington, D.C. to Sanya takes 35h 30m
There are no direct flights from Washington, D.C. to Sanya. There are no popular flight routes from Washington, D.C. to Sanya.
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  • How far is Washington, D.C. to Sanya Phoenix Intl by plane?

    The straight-line distance from Washington, D.C. to Sanya Phoenix Intl is 8459.7 mi. Typically, this will take 23h 45m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. to Sanya Phoenix Intl Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sanya Phoenix Intl Airport.

  • What documentation or ID do you need to fly to Sanya Phoenix Intl Airport?

    The travel and health documents you'll need for your trip to Sanya Phoenix Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sanya Phoenix Intl Airport. It is always advisable to seek 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 Sanya?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Sanya. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Sanya from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Washington, D.C. to Sanya flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Sanya from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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