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Cheap flights from Washington to Xi'an from $510

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 to Xi'an departing on 9/2. 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 to Xi'an

Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:10 am - 12:10 pm
SEA
-
XIY
21h 00m
1 stop
Asiana Airlines Logo
1:10 pm - 3:15 pm
XIY
-
SEA
17h 05m
1 stop
$901Asiana Airlines
Sun, Sep 6 - Tue, Sep 15
Asiana Airlines Logo
12:10 am - 12:10 pm
SEA
-
XIY
21h 00m
1 stop
Asiana Airlines Logo
1:10 pm - 3:15 pm
XIY
-
SEA
17h 05m
1 stop
$956Asiana Airlines
Tue, Sep 8 - Mon, Sep 14
Cathay Pacific Logo
8:41 am - 11:40 pm
SEA
-
XIY
23h 59m
2 stops
Cathay Pacific Logo
3:55 pm - 10:10 am
XIY
-
SEA
33h 15m
1 stop
$957Cathay Pacific
Tue, Sep 22 - Tue, Oct 27
Multiple Airlines Logo
7:03 am - 11:50 pm
PDX
-
XIY
25h 47m
2 stops
Multiple Airlines Logo
7:00 am - 8:50 pm
XIY
-
PDX
28h 50m
2 stops
$983Multiple Airlines
Tue, Sep 29 - Thu, Oct 29
Hainan Airlines Logo
11:00 am - 12:30 am
SEA
-
XIY
22h 30m
1 stop
Hainan Airlines Logo
2:30 pm - 9:00 am
XIY
-
SEA
33h 30m
1 stop
$993Hainan Airlines
Sat, Sep 5 - Fri, Sep 18
Multiple Airlines Logo
6:49 am - 11:50 pm
SEA
-
XIY
26h 01m
2 stops
Multiple Airlines Logo
8:00 am - 4:01 pm
XIY
-
SEA
23h 01m
2 stops
$1,003Multiple Airlines
Tue, Sep 22 - Tue, Oct 27
Asiana Airlines Logo
12:10 am - 12:10 pm
SEA
-
XIY
21h 00m
1 stop
Asiana Airlines Logo
1:10 pm - 3:15 pm
XIY
-
SEA
17h 05m
1 stop
$1,006Asiana Airlines
Fri, Sep 4 - Tue, Sep 15
Multiple Airlines Logo
7:03 am - 11:50 pm
PDX
-
XIY
25h 47m
2 stops
Multiple Airlines Logo
8:00 am - 8:50 pm
XIY
-
PDX
27h 50m
2 stops
$1,007Multiple Airlines
Tue, Sep 29 - Sat, Oct 31
Cathay Pacific Logo
8:41 am - 11:40 pm
SEA
-
XIY
23h 59m
2 stops
Cathay Pacific Logo
6:55 am - 10:20 am
XIY
-
SEA
18h 25m
1 stop
$1,015Cathay Pacific
Tue, Sep 8 - Tue, Sep 15
Cathay Pacific Logo
11:45 am - 11:40 pm
SEA
-
XIY
20h 55m
1 stop
Cathay Pacific Logo
3:55 pm - 10:10 am
XIY
-
SEA
33h 15m
1 stop
$1,020Cathay Pacific
Tue, Sep 22 - Tue, Oct 27

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Asiana Airlines flights from State of Washington to Xi'an

Our best Asiana Airlines deals on State of Washington to Xi'an flight tickets
Asiana Airlines
Sep 6
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 15
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$901
Asiana Airlines
Sep 8
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 14
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$956
Asiana Airlines
Sep 4
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 15
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$1,006

Hainan Airlines flights from State of Washington to Xi'an

Our best Hainan Airlines deals on State of Washington to Xi'an flight tickets
Hainan Airlines
Sep 5
SEA11:00 amSeattle/Tacoma Intl
22h 30m
1 stop
XIY12:30 amXi'an Xianyang
Sep 18
XIY2:30 pmXi'an Xianyang
33h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$993
Hainan Airlines
Sep 8
SEA11:00 amSeattle/Tacoma Intl
35h 25m
1 stop
XIY1:25 pmXi'an Xianyang
Sep 16
XIY9:05 amXi'an Xianyang
39h 50m
2 stops
SEA9:55 amSeattle/Tacoma Intl
$1,098
Hainan Airlines
Sep 10
SEA11:55 amSeattle/Tacoma Intl
37h 05m
2 stops
XIY4:00 pmXi'an Xianyang
Sep 14
XIY2:30 pmXi'an Xianyang
33h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$1,148

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Xi'an 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 25, 2026.
Use the filters below to find and compare flights from Washington to Xi'an that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 9/6

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Tue 9/15

1:10 pm-3:15 pm

1 stop17h 05m

$901

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/8

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Mon 9/14

1:10 pm-3:15 pm

1 stop17h 05m

$956

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/22

8:41 am-11:40 pm

2 stops23h 59m

Xi'an Xianyang

Tue 10/27

3:55 pm-10:10 am

1 stop33h 15m

$957

PortlandXi'an

PDX - XIY

PDXXIY

Portland

Tue 9/29

7:03 am-11:50 pm

2 stops25h 47m

Xi'an Xianyang

Thu 10/29

7:00 am-8:50 pm

2 stops28h 50m

$983

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 9/5

11:00 am-12:30 am

1 stop22h 30m

Xi'an Xianyang

Fri 9/18

2:30 pm-9:00 am

1 stop33h 30m

$993

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/22

6:49 am-11:50 pm

2 stops26h 01m

Xi'an Xianyang

Tue 10/27

8:00 am-4:01 pm

2 stops23h 01m

$1,003

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 9/4

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Tue 9/15

1:10 pm-3:15 pm

1 stop17h 05m

$1,006

PortlandXi'an

PDX - XIY

PDXXIY

Portland

Tue 9/29

7:03 am-11:50 pm

2 stops25h 47m

Xi'an Xianyang

Sat 10/31

8:00 am-8:50 pm

2 stops27h 50m

$1,007

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/8

8:41 am-11:40 pm

2 stops23h 59m

Xi'an Xianyang

Tue 9/15

6:55 am-10:20 am

1 stop18h 25m

$1,015

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/22

11:45 am-11:40 pm

1 stop20h 55m

Xi'an Xianyang

Tue 10/27

3:55 pm-10:10 am

1 stop33h 15m

$1,020

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from State of Washington to Xi'an

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

Can stopping save me money on State of Washington to Xi'an flights?

You could potentially save up to 8% on your flight if you consider stops on a State of Washington to Xi'an flight.

Cheap State of Washington to Xi'an flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Xi'an

Fastest flight time

21h 00m

Direct flights

None
The fastest flight from State of Washington to Xi'an takes 21h 00m
There are no direct flights from State of Washington to Xi'an. There are no popular flight routes from State of Washington to Xi'an.
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Frequently asked questions about flying from Washington to Xi'an

  • When did momondo last update prices for flights from Washington to Xi'an Xianyang Airport?

    Prices for flights from Washington to Xi'an Xianyang Airport refresh daily.

  • How many operators does momondo search for flights from Washington to Xi'an Xianyang Airport?

  • How old do you have to be to fly from Washington to Xi'an Xianyang 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 to Xi'an Xianyang Airport.

  • What documentation or ID do you need to fly to Xi'an Xianyang Airport?

    The travel and health documents you'll need for your trip to Xi'an Xianyang 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 Xi'an Xianyang 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 to Xi'an?

Finding the right flight to Xi'an from Washington 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 Xi'an quick and easy, saving you time and money.

Can I find flights from Washington to Xi'an with flexible booking policies on momondo?

Flights from Washington to Xi'an with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Xi'an?

momondo helps you find the best flight between Washington and Xi'an 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 to Xi'an right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Xi'an flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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