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?

As of September 2025, there are 3 operators available to choose from 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.

$477 Cheap Flights from Washington to Xi'an in 2025

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Round-trip

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Cheap round-trip flights

11:00 am - 11:45 amSEA-XIY

32h 45m1 stop

12:55 pm - 10:00 amXIY-SEA

36h 05m1 stop

$915Korean Air

Find Deal

Fri, Mar 6 - Tue, Mar 10

8:15 pm - 11:45 amSEA-XIY

47h 30m2 stops

12:55 pm - 10:00 amXIY-SEA

36h 05m1 stop

$920Korean Air

Find Deal

Fri, Mar 6 - Tue, Mar 10

6:41 pm - 2:35 pmSEA-XIY

27h 54m2 stops

3:50 pm - 2:36 pmXIY-SEA

38h 46m2 stops

$1,014Cathay Pacific

Find Deal

Tue, Nov 4 - Tue, Nov 18

8:45 am - 12:25 amSEA-XIY

47h 40m1 stop

1:35 am - 7:10 amXIY-SEA

21h 35m1 stop

$1,036Singapore Airlines

Find Deal

Tue, Nov 4 - Mon, Nov 17

9:25 pm - 2:35 pmSEA-XIY

49h 10m2 stops

3:50 pm - 9:57 pmXIY-SEA

22h 07m2 stops

$1,063

Find Deal

Sun, Mar 1 - Sat, Mar 7

7:04 pm - 2:35 pmSEA-XIY

51h 31m2 stops

3:50 pm - 8:56 amXIY-SEA

33h 06m2 stops

$1,068Cathay Pacific

Find Deal

Sun, Mar 1 - Sat, Mar 7

8:45 am - 12:25 amSEA-XIY

47h 40m1 stop

1:35 am - 7:10 amXIY-SEA

21h 35m1 stop

$1,111Singapore Airlines

Find Deal

Sun, Mar 1 - Fri, Mar 6

10:00 am - 2:15 pmSEA-XIY

36h 15m1 stop

3:30 pm - 8:05 amXIY-SEA

56h 35m2 stops

$1,138Hainan Airlines

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Tue, Nov 4 - Tue, Nov 18

12:10 am - 11:40 pmSEA-XIY

31h 30m2 stops

6:30 am - 1:55 pmXIY-SEA

23h 25m2 stops

$1,169

Find Deal

Sat, Feb 28 - Sat, Mar 7

10:00 am - 6:05 pmSEA-XIY

40h 05m2 stops

1:05 pm - 8:05 amXIY-SEA

59h 00m3 stops

$1,332Hainan Airlines

Find Deal

Tue, Nov 4 - Tue, Nov 18

Cathay Pacific flights from State of Washington to Xi'an

Our best Cathay Pacific deals on State of Washington to Xi'an flight tickets

Cathay Pacific

Nov 4

SEA6:41 pmSeattle/Tacoma Intl

27h 54m

2 stops

XIY2:35 pmXi'an Xianyang

Nov 18

XIY3:50 pmXi'an Xianyang

38h 46m

2 stops

SEA2:36 pmSeattle/Tacoma Intl

$1,014

Find similar

Cathay Pacific

Mar 1

SEA7:04 pmSeattle/Tacoma Intl

51h 31m

2 stops

XIY2:35 pmXi'an Xianyang

Mar 7

XIY3:50 pmXi'an Xianyang

33h 06m

2 stops

SEA8:56 amSeattle/Tacoma Intl

$1,068

Find similar

Singapore Airlines flights from State of Washington to Xi'an

Our best Singapore Airlines deals on State of Washington to Xi'an flight tickets

Singapore Airlines

Nov 4

SEA8:45 amSeattle/Tacoma Intl

47h 40m

1 stop

XIY12:25 amXi'an Xianyang

Nov 17

XIY1:35 amXi'an Xianyang

21h 35m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$1,036

Find similar

Singapore Airlines

Mar 1

SEA8:45 amSeattle/Tacoma Intl

47h 40m

1 stop

XIY12:25 amXi'an Xianyang

Mar 6

XIY1:35 amXi'an Xianyang

21h 35m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$1,111

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

Fly from

Fly to

Route

Depart

Return

Price

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

$915

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 3/6

8:15 pm-11:45 am

2 stops47h 30m

Xi'an Xianyang

Tue 3/10

12:55 pm-10:00 am

1 stop36h 05m

$920

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 11/4

6:41 pm-2:35 pm

2 stops27h 54m

Xi'an Xianyang

Tue 11/18

3:50 pm-2:36 pm

2 stops38h 46m

$1,014

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 11/4

8:45 am-12:25 am

1 stop47h 40m

Xi'an Xianyang

Mon 11/17

1:35 am-7:10 am

1 stop21h 35m

$1,036

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/1

9:25 pm-2:35 pm

2 stops49h 10m

Xi'an Xianyang

Sat 3/7

3:50 pm-9:57 pm

2 stops22h 07m

$1,063

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/1

7:04 pm-2:35 pm

2 stops51h 31m

Xi'an Xianyang

Sat 3/7

3:50 pm-8:56 am

2 stops33h 06m

$1,068

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/1

8:45 am-12:25 am

1 stop47h 40m

Xi'an Xianyang

Fri 3/6

1:35 am-7:10 am

1 stop21h 35m

$1,111

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 11/4

10:00 am-2:15 pm

1 stop36h 15m

Xi'an Xianyang

Tue 11/18

3:30 pm-8:05 am

2 stops56h 35m

$1,138

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 2/28

12:10 am-11:40 pm

2 stops31h 30m

Xi'an Xianyang

Sat 3/7

6:30 am-1:55 pm

2 stops23h 25m

$1,169

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 11/4

10:00 am-6:05 pm

2 stops40h 05m

Xi'an Xianyang

Tue 11/18

1:05 pm-8:05 am

3 stops59h 00m

$1,332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

The cheapest day to depart from State of Washington 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 State of Washington 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 State of Washington 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 State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights	None

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.

Search flight deals

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?
As of September 2025, there are 3 operators available to choose from 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.

Best airlines flying from State of Washington to Xi'an

Compare and see reviews for airlines that fly from State of Washington to Xi'an with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $994	Free Cancellation	Rating 8.1 1,365 reviews		Search Singapore Airlines flights
Korean Air	PriceFrom $1,499	Free Cancellation	Rating 8.4 1,139 reviews		Search Korean Air flights

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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Cheap flights from Washington to Xi'an from $477

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 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Xi'an

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Cheap one-way flights

Cathay Pacific flights from State of Washington to Xi'an

Our best Cathay Pacific deals on State of Washington to Xi'an flight tickets

Singapore Airlines flights from State of Washington to Xi'an

Our best Singapore Airlines deals on State of Washington to Xi'an flight tickets

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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

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

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

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

Direct flights

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

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?

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

Best airlines flying from State of Washington to Xi'an

Compare and see reviews for airlines that fly from State of Washington to Xi'an with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Xi'an 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to China

Airports servicing Shaanxi