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Cheap flights from Seattle to Xi'an from $443

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 8/18. 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 Seattle to Xi'an

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hainan Airlines Logo
11:00 am - 12:30 am
SEA
-
XIY
22h 30m
1 stop
Hainan Airlines Logo
6:30 pm - 9:00 am
XIY
-
SEA
29h 30m
1 stop
$915Hainan Airlines
Sat, May 2 - Mon, May 11
Multiple Airlines Logo
7:00 am - 12:10 am
SEA
-
XIY
26h 10m
2 stops
Multiple Airlines Logo
7:30 am - 2:42 pm
XIY
-
SEA
22h 12m
2 stops
$918Multiple Airlines
Thu, Apr 30 - Thu, May 7
Asiana Airlines Logo
12:55 am - 12:10 pm
SEA
-
XIY
20h 15m
1 stop
Asiana Airlines Logo
1:10 pm - 2:55 pm
XIY
-
SEA
16h 45m
1 stop
$948Asiana Airlines
Sun, May 3 - Thu, May 14
Hainan Airlines Logo
11:00 am - 12:30 am
SEA
-
XIY
22h 30m
1 stop
Hainan Airlines Logo
6:30 pm - 9:00 am
XIY
-
SEA
29h 30m
1 stop
$980Hainan Airlines
Sat, May 2 - Fri, May 15
Hainan Airlines Logo
11:00 am - 10:00 pm
SEA
-
XIY
20h 00m
1 stop
Hainan Airlines Logo
6:30 pm - 9:00 am
XIY
-
SEA
29h 30m
1 stop
$988Hainan Airlines
Tue, May 5 - Fri, May 15
Asiana Airlines Logo
12:55 am - 12:10 pm
SEA
-
XIY
20h 15m
1 stop
Asiana Airlines Logo
1:10 pm - 2:55 pm
XIY
-
SEA
16h 45m
1 stop
$994Asiana Airlines
Sun, May 3 - Fri, May 15
Asiana Airlines Logo
12:55 am - 12:10 pm
SEA
-
XIY
20h 15m
1 stop
Asiana Airlines Logo
1:10 pm - 2:55 pm
XIY
-
SEA
16h 45m
1 stop
$1,004Asiana Airlines
Sun, May 3 - Mon, May 11
Asiana Airlines Logo
12:55 am - 12:10 pm
SEA
-
XIY
20h 15m
1 stop
Asiana Airlines Logo
1:10 pm - 2:55 pm
XIY
-
SEA
16h 45m
1 stop
$1,006Asiana Airlines
Sun, May 3 - Tue, May 12
Cathay Pacific Logo
11:45 am - 2:30 pm
SEA
-
XIY
35h 45m
1 stop
Cathay Pacific Logo
3:50 pm - 9:29 am
XIY
-
SEA
32h 39m
2 stops
$1,041Cathay Pacific
Thu, Apr 30 - Thu, May 7
Multiple Airlines Logo
11:00 am - 9:40 am
SEA
-
XIY
31h 40m
2 stops
Multiple Airlines Logo
6:30 pm - 9:00 am
XIY
-
SEA
29h 30m
1 stop
$1,060Multiple Airlines
Sat, May 2 - Mon, May 11

China Eastern flights from Seattle to Xi'an

Our best China Eastern deals on Seattle to Xi'an flight tickets
China Eastern
May 4
SEA7:00 amSeattle/Tacoma Intl
40h 20m
2 stops
XIY2:20 pmXi'an Xianyang
May 13
XIY6:30 amXi'an Xianyang
25h 23m
2 stops
SEA4:53 pmSeattle/Tacoma Intl
$1,088
China Eastern
Apr 23
SEA7:35 amSeattle/Tacoma Intl
35h 00m
2 stops
XIY9:35 amXi'an Xianyang
Apr 27
XIY7:30 amXi'an Xianyang
25h 56m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$1,164
China Eastern
Apr 23
SEA7:35 amSeattle/Tacoma Intl
35h 00m
2 stops
XIY9:35 amXi'an Xianyang
Apr 27
XIY1:30 pmXi'an Xianyang
43h 56m
2 stops
SEA6:26 pmSeattle/Tacoma Intl
$1,165

Hainan Airlines flights from Seattle to Xi'an

Our best Hainan Airlines deals on Seattle to Xi'an flight tickets
Hainan Airlines
May 2
SEA11:00 amSeattle/Tacoma Intl
22h 30m
1 stop
XIY12:30 amXi'an Xianyang
May 11
XIY6:30 pmXi'an Xianyang
29h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$915
Hainan Airlines
May 2
SEA11:00 amSeattle/Tacoma Intl
22h 30m
1 stop
XIY12:30 amXi'an Xianyang
May 15
XIY6:30 pmXi'an Xianyang
29h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$980
Hainan Airlines
May 5
SEA11:00 amSeattle/Tacoma Intl
20h 00m
1 stop
XIY10:00 pmXi'an Xianyang
May 15
XIY6:30 pmXi'an Xianyang
29h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$988

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 March 18, 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

Sat 5/2

11:00 am-12:30 am

1 stop22h 30m

Xi'an Xianyang

Mon 5/11

6:30 pm-9:00 am

1 stop29h 30m

$915

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 4/30

7:00 am-12:10 am

2 stops26h 10m

Xi'an Xianyang

Thu 5/7

7:30 am-2:42 pm

2 stops22h 12m

$918
Quickest round-trip

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:10 pm

1 stop20h 15m

Xi'an Xianyang

Thu 5/14

1:10 pm-2:55 pm

1 stop16h 45m

$948

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 5/2

11:00 am-12:30 am

1 stop22h 30m

Xi'an Xianyang

Fri 5/15

6:30 pm-9:00 am

1 stop29h 30m

$980

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 5/5

11:00 am-10:00 pm

1 stop20h 00m

Xi'an Xianyang

Fri 5/15

6:30 pm-9:00 am

1 stop29h 30m

$988

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:10 pm

1 stop20h 15m

Xi'an Xianyang

Fri 5/15

1:10 pm-2:55 pm

1 stop16h 45m

$994

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:10 pm

1 stop20h 15m

Xi'an Xianyang

Mon 5/11

1:10 pm-2:55 pm

1 stop16h 45m

$1,004

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 5/3

12:55 am-12:10 pm

1 stop20h 15m

Xi'an Xianyang

Tue 5/12

1:10 pm-2:55 pm

1 stop16h 45m

$1,006

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 4/30

11:45 am-2:30 pm

1 stop35h 45m

Xi'an Xianyang

Thu 5/7

3:50 pm-9:29 am

2 stops32h 39m

$1,041

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 5/2

11:00 am-9:40 am

2 stops31h 40m

Xi'an Xianyang

Mon 5/11

6:30 pm-9:00 am

1 stop29h 30m

$1,060

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Xi'an from

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 26% 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

20h 15m

Direct flights

None
The fastest flight from Seattle to Xi'an takes 20h 15m
There are no direct flights from Seattle to Xi'an. There are no popular flight routes from Seattle to Xi'an.
Search flight deals

  • 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 20h 15m 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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