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Cheap flights from Washington, D.C. to Sanya from $1,346

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 11/4. 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 (WAS-SYX)

Cheap round-trip flights

Logo
11:55 am - 7:55 pmDCA-SYX
43h 00m2 stops
Logo
8:50 pm - 6:54 pmSYX-DCA
35h 04m2 stops
$1,346
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Tue, Nov 4 - Thu, Dec 4
Air China Logo
10:00 pm - 4:45 pmIAD-SYX
29h 45m1 stop
Air China Logo
2:35 pm - 6:51 amSYX-IAD
29h 16m2 stops
$1,510Air China
Find Deal
Tue, Nov 4 - Thu, Dec 4
Logo
10:00 pm - 10:45 amIAD-SYX
47h 45m2 stops
Logo
11:55 am - 8:05 pmSYX-IAD
69h 10m2 stops
$1,547
Find Deal
Tue, Nov 4 - Thu, Dec 4
Air China Logo
10:00 pm - 1:25 pmIAD-SYX
26h 25m1 stop
Air China Logo
2:35 pm - 6:30 pmSYX-IAD
40h 55m1 stop
$1,563Air China
Find Deal
Tue, Nov 4 - Thu, Dec 4
Logo
5:05 pm - 1:00 pmIAD-SYX
30h 55m3 stops
Logo
8:50 pm - 6:30 pmSYX-IAD
34h 40m2 stops
$1,855
Find Deal
Tue, Nov 4 - Thu, Dec 4
Logo
5:05 pm - 1:00 pmIAD-SYX
30h 55m3 stops
Logo
9:10 pm - 6:30 pmSYX-IAD
34h 20m3 stops
$2,009
Find Deal
Tue, Nov 4 - Thu, Dec 4

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

Our best Air China deals on Washington, D.C. to Sanya flight tickets
Air China
Nov 4
IAD10:00 pmWashington, D.C. Dulles Intl
29h 45m
1 stop
SYX4:45 pmSanya Phoenix Intl
Dec 4
SYX2:35 pmSanya Phoenix Intl
29h 16m
2 stops
IAD6:51 amWashington, D.C. Dulles Intl
$1,510
Find similar
Air China
Nov 4
IAD10:00 pmWashington, D.C. Dulles Intl
26h 25m
1 stop
SYX1:25 pmSanya Phoenix Intl
Dec 4
SYX2:35 pmSanya Phoenix Intl
40h 55m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$1,563
Find similar
Air China
Aug 30
IAD8:35 amWashington, D.C. Dulles Intl
39h 00m
2 stops
SYX11:35 amSanya Phoenix Intl
Sep 13
SYX7:30 pmSanya Phoenix Intl
47h 18m
2 stops
IAD6:48 amWashington, D.C. Dulles Intl
$1,729
Find similar

American Airlines flights from Washington, D.C. to Sanya

Our best American Airlines deals on Washington, D.C. to Sanya flight tickets
American Airlines
Aug 30
BWI7:00 amBaltimore/Washington
28h 45m
2 stops
SYX11:45 pmSanya Phoenix Intl
Sep 13
SYX8:00 amSanya Phoenix Intl
27h 22m
2 stops
BWI11:22 pmBaltimore/Washington
$2,755
Find similar
American Airlines
Aug 30
DCA6:45 amWashington, D.C. Reagan-National
29h 00m
2 stops
SYX11:45 pmSanya Phoenix Intl
Sep 13
SYX8:00 amSanya Phoenix Intl
34h 59m
3 stops
DCA6:59 amWashington, D.C. Reagan-National
$3,020
Find similar

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 August 25, 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

Tue 11/4

11:55 am-7:55 pm

2 stops43h 00m

Sanya Phoenix Intl

Thu 12/4

8:50 pm-6:54 pm

2 stops35h 04m

$1,346

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-4:45 pm

1 stop29h 45m

Sanya Phoenix Intl

Thu 12/4

2:35 pm-6:51 am

2 stops29h 16m

$1,510

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-10:45 am

2 stops47h 45m

Sanya Phoenix Intl

Thu 12/4

11:55 am-8:05 pm

2 stops69h 10m

$1,547

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-1:25 pm

1 stop26h 25m

Sanya Phoenix Intl

Thu 12/4

2:35 pm-6:30 pm

1 stop40h 55m

$1,563

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Tue 11/4

5:05 pm-1:00 pm

3 stops30h 55m

Sanya Phoenix Intl

Thu 12/4

8:50 pm-6:30 pm

2 stops34h 40m

$1,855

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Tue 11/4

5:05 pm-1:00 pm

3 stops30h 55m

Sanya Phoenix Intl

Thu 12/4

9:10 pm-6:30 pm

3 stops34h 20m

$2,009

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 Washington, D.C. (a popular airport in Washington, D.C.) to Sanya (the most popular airport in Sanya), then the flight time is 38h 55m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Sanya, then the average flight time is 40h 50m.

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

Direct flights

None
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 26h 25m 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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