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Xi'an

$852+ Cheap flights from Seattle (SEA) to Xi'an (XIY)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — XIY
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Seattle to Xi'an

Best flights from Seattle to Xi'an
Discover carefully curated flight deals from Seattle to Xi'an that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Mon 3/301:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$852
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 pmSEA - XIY
2 stops27h 40mCathay Pacific
Mon 3/303:50 pmXIY - SEA
1 stop33h 20mCathay Pacific
Deal found 12/11$901
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:15 amSEA - XIY
2 stops37h 05mChina Eastern
Sat 3/148:00 amXIY - SEA
2 stops25h 21mChina Eastern
Deal found 12/11$933
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 pmSEA - XIY
2 stops29h 40mCathay Pacific
Mon 3/303:50 pmXIY - SEA
1 stop33h 20mCathay Pacific
Deal found 12/11$901
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Thu 4/21:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$905
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Fri 3/271:25 pmXIY - SEA
1 stop16h 30mAsiana Airlines
Deal found 12/11$905
This KAYAK deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:05 amSEA - XIY
2 stops39h 35mCathay Pacific
Wed 4/13:50 pmXIY - SEA
1 stop33h 20mCathay Pacific
Deal found 12/11$926
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2112:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Thu 4/21:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$905
This KAYAK deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:35 pmSEA - XIY
2 stops32h 05mCathay Pacific
Mon 3/303:50 pmXIY - SEA
1 stop33h 20mCathay Pacific
Deal found 12/11$926
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Mon 3/301:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$905
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Tue 3/311:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$905
This Asiana Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:10 amSEA - XIY
1 stop21h 15mAsiana Airlines
Thu 4/21:10 pmXIY - SEA
1 stop16h 45mAsiana Airlines
Deal found 12/11$905

Find flight deals from Seattle to Xi'an

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Xi'an (XIY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$852
(FlightHub)
Provider with most accurate pricing for Seattle/Tacoma Intl-Xi'an Xianyang flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Xi'an Xianyang flights.
Search Deals
From Seattle/Tacoma Intl to Xi'an Xianyang
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Seattle to Xi'an that are best for you.

Fly from

Seattle

Fly to

Xi'an

Route

Depart

Return

Price

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/22

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Mon 3/30

1:10 pm-2:55 pm

1 stop16h 45m

$852

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 3/24

8:00 pm-2:40 pm

2 stops27h 40m

Xi'an Xianyang

Mon 3/30

3:50 pm-10:10 am

1 stop33h 20m

$901

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Mon 3/23

6:00 pm-2:40 pm

2 stops29h 40m

Xi'an Xianyang

Mon 3/30

3:50 pm-10:10 am

1 stop33h 20m

$901

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/22

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Thu 4/2

1:10 pm-2:55 pm

1 stop16h 45m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 3/22

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Fri 3/27

1:25 pm-2:55 pm

1 stop16h 30m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sat 3/21

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Thu 4/2

1:10 pm-2:55 pm

1 stop16h 45m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 3/25

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Mon 3/30

1:10 pm-2:55 pm

1 stop16h 45m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 3/25

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Tue 3/31

1:10 pm-2:55 pm

1 stop16h 45m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 3/25

12:10 am-12:25 pm

1 stop21h 15m

Xi'an Xianyang

Thu 4/2

1:10 pm-2:55 pm

1 stop16h 45m

$905

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 3/24

8:05 am-2:40 pm

2 stops39h 35m

Xi'an Xianyang

Wed 4/1

3:50 pm-10:10 am

1 stop33h 20m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 results
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Compare providers for flights from Seattle to Xi'an

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Xi'an in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Xi'an flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Xi'an flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Xi'an flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Xi'an flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Xi'an flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Xi'an

Have a flexible travel schedule? Discover the best time to fly to Xi'an from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Xi'an

What is the cheapest time of day to fly from SEA to XIY?

Find hourly flight availability from Seattle to Xi'an. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Seattle to Xi'an is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 35% on airfare.

Reviews of airlines servicing Xi'an

Get insights into the airlines that provide service to Xi'an. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Xi'an. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Singapore Airlines from Seattle to Xi'an. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,412 reviews

Food

7.8

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.
Singapore Airlines
8.1
Very good
1,412 reviews
Singapore Airlines
8.1
Very good
1,412 reviews

Food

7.8

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Xi'an. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Xi'an?

    There are many flights that can get you from Seattle to Xi'an in 21h 15m. Fly via Asiana Airlines or Cathay Pacific to get the fastest option. The distance between Seattle and Xi'an is about 5952 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Seattle to Xi'an that include hotel bookings?

    Yes. In addition to deals on Seattle to Xi'an flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Xi'an?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Xi'an.

  • Can I find deals for business class flights from Seattle to Xi'an?

    Yes. Cheapflights offers flight deals from Seattle to Xi'an by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Xi'an

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Xi'an flights

Top airline flying from Seattle to Xi'an

Discover the top airline that operate flights from Seattle to Xi'an. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$994Average$1,206FlexibilityNo cancel feeOn-time81%

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