Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Sanya from $2,162

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 Sanya departing on 4/30. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air China Logo
5:55 pm - 7:25 pm
IAD
-
SYX
37h 30m
2 stops
Air China Logo
12:55 pm - 7:25 am
SYX
-
IAD
30h 30m
2 stops
$2,162Air China
Thu, Apr 30 - Mon, May 4
Air China Logo
5:55 pm - 11:40 am
IAD
-
SYX
29h 45m
2 stops
Air China Logo
12:55 pm - 7:30 pm
SYX
-
IAD
42h 35m
1 stop
$2,326Air China
Thu, Apr 30 - Mon, May 4
Air China Logo
7:00 am - 6:10 pm
IAD
-
SYX
47h 10m
2 stops
Air China Logo
5:00 pm - 7:30 pm
SYX
-
IAD
38h 30m
2 stops
$2,338Air China
Sun, Sep 6 - Thu, Sep 10
Air China Logo
5:55 pm - 6:10 pm
IAD
-
SYX
36h 15m
2 stops
Air China Logo
5:00 pm - 7:30 pm
SYX
-
IAD
38h 30m
3 stops
$2,374Air China
Thu, Apr 30 - Mon, May 4
Air China Logo
7:00 am - 7:25 pm
IAD
-
SYX
48h 25m
2 stops
Air China Logo
5:00 pm - 7:30 pm
SYX
-
IAD
38h 30m
3 stops
$2,468Air China
Sun, Sep 6 - Thu, Sep 10
Air China Logo
7:00 am - 11:40 am
IAD
-
SYX
40h 40m
2 stops
Air China Logo
8:55 pm - 7:30 pm
SYX
-
IAD
34h 35m
1 stop
$2,475Air China
Sun, Sep 6 - Thu, Sep 10

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

Our best Air China deals on Washington, D.C. Dulles Intl Airport to Sanya flight tickets
Air China
Apr 30
IAD5:55 pmWashington, D.C. Dulles Intl
37h 30m
2 stops
SYX7:25 pmSanya Phoenix Intl
May 4
SYX12:55 pmSanya Phoenix Intl
30h 30m
2 stops
IAD7:25 amWashington, D.C. Dulles Intl
$2,162
Air China
Apr 30
IAD5:55 pmWashington, D.C. Dulles Intl
29h 45m
2 stops
SYX11:40 amSanya Phoenix Intl
May 4
SYX12:55 pmSanya Phoenix Intl
42h 35m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
$2,326
Air China
Sep 6
IAD7:00 amWashington, D.C. Dulles Intl
47h 10m
2 stops
SYX6:10 pmSanya Phoenix Intl
Sep 10
SYX5:00 pmSanya Phoenix Intl
38h 30m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
$2,338

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 March 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sanya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 4/30

5:55 pm-7:25 pm

2 stops37h 30m

Sanya Phoenix Intl

Mon 5/4

12:55 pm-7:25 am

2 stops30h 30m

$2,162

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 4/30

5:55 pm-11:40 am

2 stops29h 45m

Sanya Phoenix Intl

Mon 5/4

12:55 pm-7:30 pm

1 stop42h 35m

$2,326

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 9/6

7:00 am-6:10 pm

2 stops47h 10m

Sanya Phoenix Intl

Thu 9/10

5:00 pm-7:30 pm

2 stops38h 30m

$2,338

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Thu 4/30

5:55 pm-6:10 pm

2 stops36h 15m

Sanya Phoenix Intl

Mon 5/4

5:00 pm-7:30 pm

3 stops38h 30m

$2,374

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 9/6

7:00 am-7:25 pm

2 stops48h 25m

Sanya Phoenix Intl

Thu 9/10

5:00 pm-7:30 pm

3 stops38h 30m

$2,468

Washington, D.C.Sanya

IAD - SYX

IADSYX

Washington, D.C. Dulles Intl

Sun 9/6

7:00 am-11:40 am

2 stops40h 40m

Sanya Phoenix Intl

Thu 9/10

8:55 pm-7:30 pm

1 stop34h 35m

$2,475

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 Sanya

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Sanya (IAD to SYX) flight deals and tips

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

Fastest flight time

46h 00m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sanya takes 46h 00m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Sanya. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Sanya.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Sanya Phoenix Intl by plane?

    Sanya Phoenix Intl is 8453.8 mi away from Washington, D.C. Dulles Intl. Flights usually cover this in 46h 00m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Sanya Phoenix Intl Airport.

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

    The travel and health documents required for your trip to Sanya Phoenix Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sanya Phoenix Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport from Sanya. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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 Sanya?

Finding the right flight to Sanya from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sanya quick and easy, saving you time and money.

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?

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

Price alerts on flights to Sanya from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sanya trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/25
Sat 5/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to China

Airports servicing Hainan

Haikou Meilan Intl Airport