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Cheap flights from Seattle to Xi'an from $465

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 3/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:55 pm - 2:40 pmSEA-XIY
26h 45m2 stops
Multiple Airlines Logo
3:55 pm - 11:00 amXIY-SEA
35h 05m2 stops
$935Multiple Airlines
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Sun, Feb 8 - Wed, Mar 4
Multiple Airlines Logo
3:57 pm - 2:40 pmSEA-XIY
30h 43m2 stops
Multiple Airlines Logo
3:55 pm - 8:15 amXIY-SEA
32h 20m2 stops
$940Multiple Airlines
Find Deal
Wed, Feb 11 - Tue, Mar 3
Cathay Pacific Logo
7:55 pm - 2:40 pmSEA-XIY
26h 45m2 stops
Cathay Pacific Logo
3:55 pm - 9:57 pmXIY-SEA
22h 02m2 stops
$953Cathay Pacific
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Mon, Feb 9 - Wed, Mar 4
Korean Air Logo
11:00 am - 11:45 amSEA-XIY
32h 45m1 stop
Korean Air Logo
12:55 pm - 10:00 amXIY-SEA
36h 05m1 stop
$955Korean Air
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Fri, Mar 6 - Tue, Mar 10
Multiple Airlines Logo
12:10 am - 12:25 pmSEA-XIY
20h 15m1 stop
Multiple Airlines Logo
7:30 pm - 3:41 pmXIY-SEA
36h 11m2 stops
$963Multiple Airlines
Find Deal
Fri, Feb 6 - Tue, Mar 3
Korean Air Logo
11:00 am - 11:45 amSEA-XIY
32h 45m1 stop
Korean Air Logo
12:55 pm - 11:40 pmXIY-SEA
25h 45m2 stops
$966Korean Air
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Fri, Mar 6 - Tue, Mar 10
Multiple Airlines Logo
12:10 am - 12:25 pmSEA-XIY
20h 15m1 stop
Multiple Airlines Logo
10:55 pm - 6:40 pmXIY-SEA
35h 45m3 stops
$976Multiple Airlines
Find Deal
Fri, Feb 6 - Tue, Mar 3
Singapore Airlines Logo
8:45 am - 12:25 amSEA-XIY
23h 40m1 stop
Singapore Airlines Logo
1:35 am - 7:10 amXIY-SEA
45h 35m1 stop
$1,080Singapore Airlines
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Sun, Feb 8 - Tue, Mar 3
Singapore Airlines Logo
8:45 am - 12:25 amSEA-XIY
23h 40m1 stop
Singapore Airlines Logo
1:35 am - 8:10 amXIY-SEA
21h 35m1 stop
$1,270Singapore Airlines
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Fri, Mar 6 - Mon, Mar 9
United Airlines Logo
7:00 am - 10:25 pmSEA-XIY
23h 25m2 stops
United Airlines Logo
2:00 pm - 12:59 amXIY-SEA
26h 59m2 stops
$4,019United Airlines
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Fri, Dec 12 - Fri, Dec 19

Korean Air flights from Seattle to Xi'an

Our best Korean Air deals on Seattle to Xi'an flight tickets
Korean Air
Mar 6
SEA11:00 amSeattle/Tacoma Intl
32h 45m
1 stop
XIY11:45 amXi'an Xianyang
Mar 10
XIY12:55 pmXi'an Xianyang
36h 05m
1 stop
SEA10:00 amSeattle/Tacoma Intl
$955
Find similar
Korean Air
Mar 6
SEA11:00 amSeattle/Tacoma Intl
32h 45m
1 stop
XIY11:45 amXi'an Xianyang
Mar 10
XIY12:55 pmXi'an Xianyang
25h 45m
2 stops
SEA11:40 pmSeattle/Tacoma Intl
$966
Find similar
Korean Air
Mar 6
SEA5:40 pmSeattle/Tacoma Intl
26h 05m
2 stops
XIY11:45 amXi'an Xianyang
Mar 10
XIY12:55 pmXi'an Xianyang
36h 05m
1 stop
SEA10:00 amSeattle/Tacoma Intl
$1,060
Find similar

Singapore Airlines flights from Seattle to Xi'an

Our best Singapore Airlines deals on Seattle to Xi'an flight tickets
Singapore Airlines
Feb 8
SEA8:45 amSeattle/Tacoma Intl
23h 40m
1 stop
XIY12:25 amXi'an Xianyang
Mar 3
XIY1:35 amXi'an Xianyang
45h 35m
1 stop
SEA7:10 amSeattle/Tacoma Intl
$1,080
Find similar
Singapore Airlines
Mar 6
SEA8:45 amSeattle/Tacoma Intl
23h 40m
1 stop
XIY12:25 amXi'an Xianyang
Mar 9
XIY1:35 amXi'an Xianyang
21h 35m
1 stop
SEA8:10 amSeattle/Tacoma Intl
$1,270
Find similar

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 October 30, 2025.
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

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 2/8

7:55 pm-2:40 pm

2 stops26h 45m

Xi'an Xianyang

Wed 3/4

3:55 pm-11:00 am

2 stops35h 05m

$935

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 2/11

3:57 pm-2:40 pm

2 stops30h 43m

Xi'an Xianyang

Tue 3/3

3:55 pm-8:15 am

2 stops32h 20m

$940

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Mon 2/9

7:55 pm-2:40 pm

2 stops26h 45m

Xi'an Xianyang

Wed 3/4

3:55 pm-9:57 pm

2 stops22h 02m

$953

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 3/6

11:00 am-11:45 am

1 stop32h 45m

Xi'an Xianyang

Tue 3/10

12:55 pm-10:00 am

1 stop36h 05m

$955

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 2/6

12:10 am-12:25 pm

1 stop20h 15m

Xi'an Xianyang

Tue 3/3

7:30 pm-3:41 pm

2 stops36h 11m

$963

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 3/6

11:00 am-11:45 am

1 stop32h 45m

Xi'an Xianyang

Tue 3/10

12:55 pm-11:40 pm

2 stops25h 45m

$966

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 2/6

12:10 am-12:25 pm

1 stop20h 15m

Xi'an Xianyang

Tue 3/3

10:55 pm-6:40 pm

3 stops35h 45m

$976

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 2/8

8:45 am-12:25 am

1 stop23h 40m

Xi'an Xianyang

Tue 3/3

1:35 am-7:10 am

1 stop45h 35m

$1,080

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 3/6

8:45 am-12:25 am

1 stop23h 40m

Xi'an Xianyang

Mon 3/9

1:35 am-8:10 am

1 stop21h 35m

$1,270

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 12/12

7:00 am-10:25 pm

2 stops23h 25m

Xi'an Xianyang

Fri 12/19

2:00 pm-12:59 am

2 stops26h 59m

$4,019

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

What is the cheapest day to depart on your flight to Xi'an?

The cheapest day to depart from Seattle to Xi'an is on a Tuesday when prices can be found for as low as $1,170. On the other hand, Wednesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,584.

What is the cheapest time of day to depart on your flight to Xi'an?

At noon is the cheapest time of day to fly from Seattle to Xi'an when you can find flight prices for as low as $1,197. Flying to Xi'an at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,542 on average. Flights to Xi'an from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Seattle to Xi'an flights?

You could potentially save up to 5% 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

Direct flights

None
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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Xi'an Xianyang Airport?

  • 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.

  • What is the most popular airline from Seattle to Xi'an?

Best airlines flying from Seattle to Xi'an

Compare and see reviews for airlines that fly from Seattle to Xi'an with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $994Free CancellationRating
8.1
1,388 reviews
Search Singapore Airlines flights

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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