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Cheap flights from Washington, D.C. to Sanya from $799

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 Sanya departing on 7/21. 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. to Sanya

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 pm - 11:55 pm
IAD
-
SYX
38h 55m
2 stops
Multiple Airlines Logo
2:55 pm - 3:40 pm
SYX
-
IAD
36h 45m
2 stops
$1,589Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
China Eastern Logo
11:00 am - 1:10 am
DCA
-
SYX
26h 10m
2 stops
China Eastern Logo
6:45 am - 6:11 pm
SYX
-
DCA
23h 26m
2 stops
$2,429China Eastern
Wed, Sep 9 - Sun, Sep 13
China Eastern Logo
11:00 am - 1:10 am
DCA
-
SYX
26h 10m
2 stops
China Eastern Logo
6:45 am - 6:11 pm
SYX
-
DCA
23h 26m
2 stops
$2,435China Eastern
Wed, Sep 9 - Sun, Sep 13
Multiple Airlines Logo
1:50 am - 8:10 pm
IAD
-
SYX
30h 20m
3 stops
Multiple Airlines Logo
1:45 pm - 11:35 am
SYX
-
IAD
33h 50m
2 stops
$2,438Multiple Airlines
Wed, Jul 22 - Thu, Jul 30
Air China Logo
1:03 pm - 7:45 pm
IAD
-
SYX
42h 42m
2 stops
Air China Logo
12:55 pm - 7:30 pm
SYX
-
IAD
42h 35m
1 stop
$2,563Air China
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
1:50 am - 8:10 pm
IAD
-
SYX
30h 20m
3 stops
Multiple Airlines Logo
11:10 am - 10:50 am
SYX
-
IAD
35h 40m
3 stops
$2,612Multiple Airlines
Wed, Jul 22 - Thu, Jul 30
Air China Logo
9:00 am - 11:40 am
IAD
-
SYX
38h 40m
2 stops
Air China Logo
6:00 pm - 7:30 pm
SYX
-
IAD
37h 30m
1 stop
$2,618Air China
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
9:59 am - 8:10 pm
DCA
-
SYX
46h 11m
2 stops
Multiple Airlines Logo
3:10 pm - 10:31 pm
SYX
-
DCA
43h 21m
3 stops
$2,641Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
American Airlines Logo
7:30 am - 11:55 pm
BWI
-
SYX
28h 25m
2 stops
American Airlines Logo
8:00 am - 9:26 am
SYX
-
BWI
37h 26m
3 stops
$2,732American Airlines
Thu, Jul 23 - Thu, Jul 30
American Airlines Logo
7:30 am - 11:55 pm
BWI
-
SYX
28h 25m
2 stops
American Airlines Logo
8:00 am - 11:08 am
SYX
-
BWI
39h 08m
2 stops
$2,746American Airlines
Thu, Jul 23 - Thu, Jul 30

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

Our best China Eastern deals on Washington, D.C. to Sanya flight tickets
China Eastern
Sep 9
DCA11:00 amWashington, D.C. Reagan-National
26h 10m
2 stops
SYX1:10 amSanya Phoenix Intl
Sep 13
SYX6:45 amSanya Phoenix Intl
23h 26m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$2,429
China Eastern
Sep 9
DCA11:00 amWashington, D.C. Reagan-National
26h 10m
2 stops
SYX1:10 amSanya Phoenix Intl
Sep 13
SYX6:45 amSanya Phoenix Intl
23h 26m
2 stops
DCA6:11 pmWashington, D.C. Reagan-National
$2,435

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

Our best Air China deals on Washington, D.C. to Sanya flight tickets
Air China
Sep 10
IAD1:03 pmWashington, D.C. Dulles Intl
42h 42m
2 stops
SYX7:45 pmSanya Phoenix Intl
Sep 14
SYX12:55 pmSanya Phoenix Intl
42h 35m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$2,563
Air China
Sep 10
IAD9:00 amWashington, D.C. Dulles Intl
38h 40m
2 stops
SYX11:40 amSanya Phoenix Intl
Sep 14
SYX6:00 pmSanya Phoenix Intl
37h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$2,618
Air China
Sep 10
IAD3:15 pmWashington, D.C. Dulles Intl
40h 30m
2 stops
SYX7:45 pmSanya Phoenix Intl
Sep 14
SYX12:15 pmSanya Phoenix Intl
43h 15m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
$2,647

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 June 8, 2026.
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

Cheapest round-trip

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 7/23

9:00 pm-11:55 pm

2 stops38h 55m

Sanya Phoenix Intl

Thu 7/30

2:55 pm-3:40 pm

2 stops36h 45m

$1,589
Quickest round-trip

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Wed 9/9

11:00 am-1:10 am

2 stops26h 10m

Sanya Phoenix Intl

Sun 9/13

6:45 am-6:11 pm

2 stops23h 26m

$2,429

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Wed 9/9

11:00 am-1:10 am

2 stops26h 10m

Sanya Phoenix Intl

Sun 9/13

6:45 am-6:11 pm

2 stops23h 26m

$2,435

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Wed 7/22

1:50 am-8:10 pm

3 stops30h 20m

Sanya Phoenix Intl

Thu 7/30

1:45 pm-11:35 am

2 stops33h 50m

$2,438

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 9/10

1:03 pm-7:45 pm

2 stops42h 42m

Sanya Phoenix Intl

Mon 9/14

12:55 pm-7:30 pm

1 stop42h 35m

$2,563

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Wed 7/22

1:50 am-8:10 pm

3 stops30h 20m

Sanya Phoenix Intl

Thu 7/30

11:10 am-10:50 am

3 stops35h 40m

$2,612

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 9/10

9:00 am-11:40 am

2 stops38h 40m

Sanya Phoenix Intl

Mon 9/14

6:00 pm-7:30 pm

1 stop37h 30m

$2,618

Washington, D.C.Sanya

DCA - SYX

DCASYX

Washington, D.C. Reagan-National

Thu 7/23

9:59 am-8:10 pm

2 stops46h 11m

Sanya Phoenix Intl

Thu 7/30

3:10 pm-10:31 pm

3 stops43h 21m

$2,641

BaltimoreSanya

BWI - SYX

BWISYX

Baltimore/Washington

Thu 7/23

7:30 am-11:55 pm

2 stops28h 25m

Sanya Phoenix Intl

Thu 7/30

8:00 am-9:26 am

3 stops37h 26m

$2,732

BaltimoreSanya

BWI - SYX

BWISYX

Baltimore/Washington

Thu 7/23

7:30 am-11:55 pm

2 stops28h 25m

Sanya Phoenix Intl

Thu 7/30

8:00 am-11:08 am

2 stops39h 08m

$2,746

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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

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

American Airlines is the most popular carrier operating from Washington, D.C. to Sanya Phoenix Intl

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

26h 10m

Direct flights

None
The fastest flight from Washington, D.C. to Sanya takes 26h 10m
There are no direct flights from Washington, D.C. to Sanya. There are no popular flight routes from Washington, D.C. to Sanya.
Search flight deals

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

  • 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 10m 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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