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Cheap flights from Seattle to Xi'an from $534

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Xi'an departing on 9/5. 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 Seattle to Xi'an

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
12:25 pm - 11:40 pm
SEA
-
XIY
20h 15m
1 stop
Cathay Pacific Logo
6:55 am - 10:20 am
XIY
-
SEA
18h 25m
1 stop
$909Cathay Pacific
Thu, Aug 27 - Tue, Sep 8
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
$940Asiana Airlines
Fri, Aug 28 - Tue, Sep 8
Hainan Airlines Logo
11:00 am - 1:25 pm
SEA
-
XIY
35h 25m
1 stop
Hainan Airlines Logo
2:30 pm - 9:00 am
XIY
-
SEA
33h 30m
1 stop
$943Hainan Airlines
Sat, Aug 29 - Mon, Sep 7
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, Aug 25 - Tue, Sep 8
Hainan Airlines Logo
11:00 am - 1:25 pm
SEA
-
XIY
35h 25m
1 stop
Hainan Airlines Logo
6:30 pm - 9:00 am
XIY
-
SEA
29h 30m
1 stop
$993Hainan Airlines
Tue, Sep 1 - Mon, Sep 7
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, Aug 28 - Sun, Sep 6
Multiple Airlines Logo
1:35 pm - 12:10 pm
SEA
-
XIY
31h 35m
1 stop
Multiple Airlines Logo
1:10 pm - 1:40 pm
XIY
-
SEA
15h 30m
1 stop
$1,014Multiple Airlines
Fri, Aug 28 - Mon, Sep 7
Cathay Pacific Logo
3:43 pm - 2:30 pm
SEA
-
XIY
31h 47m
2 stops
Cathay Pacific Logo
6:55 am - 10:20 am
XIY
-
SEA
18h 25m
1 stop
$1,036Cathay Pacific
Sat, Aug 29 - Tue, Sep 8
Cathay Pacific Logo
3:45 pm - 11:40 pm
SEA
-
XIY
40h 55m
2 stops
Cathay Pacific Logo
3:50 pm - 8:52 am
XIY
-
SEA
32h 02m
2 stops
$1,062Cathay Pacific
Wed, Sep 16 - Wed, Sep 30
Cathay Pacific Logo
8:40 am - 11:40 pm
SEA
-
XIY
24h 00m
2 stops
Cathay Pacific Logo
3:50 pm - 10:20 am
XIY
-
SEA
33h 30m
1 stop
$1,065Cathay Pacific
Fri, Aug 28 - Tue, Sep 8

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Cathay Pacific flights from Seattle to Xi'an

Our best Cathay Pacific deals on Seattle to Xi'an flight tickets
Cathay Pacific
Aug 27
SEA12:25 pmSeattle/Tacoma Intl
20h 15m
1 stop
XIY11:40 pmXi'an Xianyang
Sep 8
XIY6:55 amXi'an Xianyang
18h 25m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$909
Cathay Pacific
Aug 29
SEA3:43 pmSeattle/Tacoma Intl
31h 47m
2 stops
XIY2:30 pmXi'an Xianyang
Sep 8
XIY6:55 amXi'an Xianyang
18h 25m
1 stop
SEA10:20 amSeattle/Tacoma Intl
$1,036
Cathay Pacific
Sep 16
SEA3:45 pmSeattle/Tacoma Intl
40h 55m
2 stops
XIY11:40 pmXi'an Xianyang
Sep 30
XIY3:50 pmXi'an Xianyang
32h 02m
2 stops
SEA8:52 amSeattle/Tacoma Intl
$1,062

Asiana Airlines flights from Seattle to Xi'an

Our best Asiana Airlines deals on Seattle to Xi'an flight tickets
Asiana Airlines
Aug 28
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 8
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$940
Asiana Airlines
Aug 25
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 10
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$956
Asiana Airlines
Aug 28
SEA12:10 amSeattle/Tacoma Intl
21h 00m
1 stop
XIY12:10 pmXi'an Xianyang
Sep 10
XIY1:10 pmXi'an Xianyang
17h 05m
1 stop
SEA3:15 pmSeattle/Tacoma Intl
$1,006

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 15, 2026.
Use the filters below to find and compare flights from Seattle to Xi'an that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 8/27

12:25 pm-11:40 pm

1 stop20h 15m

Xi'an Xianyang

Tue 9/8

6:55 am-10:20 am

1 stop18h 25m

$909
Quickest round-trip

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 8/28

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Tue 9/8

1:10 pm-3:15 pm

1 stop17h 05m

$940

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 8/29

11:00 am-1:25 pm

1 stop35h 25m

Xi'an Xianyang

Mon 9/7

2:30 pm-9:00 am

1 stop33h 30m

$943

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 8/25

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Tue 9/8

1:10 pm-3:15 pm

1 stop17h 05m

$956

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 9/1

11:00 am-1:25 pm

1 stop35h 25m

Xi'an Xianyang

Mon 9/7

6:30 pm-9:00 am

1 stop29h 30m

$993

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 8/28

12:10 am-12:10 pm

1 stop21h 00m

Xi'an Xianyang

Sun 9/6

1:10 pm-3:15 pm

1 stop17h 05m

$1,006

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 8/28

1:35 pm-12:10 pm

1 stop31h 35m

Xi'an Xianyang

Mon 9/7

1:10 pm-1:40 pm

1 stop15h 30m

$1,014

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 8/29

3:43 pm-2:30 pm

2 stops31h 47m

Xi'an Xianyang

Tue 9/8

6:55 am-10:20 am

1 stop18h 25m

$1,036

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 9/16

3:45 pm-11:40 pm

2 stops40h 55m

Xi'an Xianyang

Wed 9/30

3:50 pm-8:52 am

2 stops32h 02m

$1,062

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 8/28

8:40 am-11:40 pm

2 stops24h 00m

Xi'an Xianyang

Tue 9/8

3:50 pm-10:20 am

1 stop33h 30m

$1,065

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 Seattle 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 Seattle to Xi'an flights?

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

When to book flights from Seattle to Xi'an

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Xi'an according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Xi'an (SEA to XIY) flight deals and tips

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

Fastest flight time

25h 32m

Direct flights

None
The fastest flight from Seattle to Xi'an takes 25h 32m
There are no direct flights from Seattle to Xi'an. There are no popular flight routes from Seattle to Xi'an.
Search flight deals

Frequently asked questions about flying from Seattle to Xi'an

  • How far is Seattle/Tacoma Intl to Xi'an Xianyang by plane?

    A flight from Seattle/Tacoma Intl to Xi'an Xianyang will travel around 5948.1 mi. Typically, this will take 25h 32m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Xi'an Xianyang Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Xi'an Xianyang Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Xi'an Xianyang Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Xi'an Xianyang Airport.

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

    The required travel and health documents for your Xi'an Xianyang Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Xi'an Xianyang Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Xi'an?

It is quick and easy to find Seattle to Xi'an flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Xi'an that suits you.

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

momondo does allow users to show only those flights to Xi'an from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Xi'an from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Xi'an right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Xi'an, momondo offers a useful price alert feature which will track prices for flights to Xi'an from Seattle and alert you when they change.

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