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Xi'an

$465+ Cheap flights from Seattle (SEA) to Xi'an (XIY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — XIY
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Seattle to Xi'an

Cheapest flights from Seattle to Xi'an
Explore the most affordable flight options available from Seattle to Xi'an. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This FlightHub deal was found by Cheapflights users on 10/26. 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 11/212:10 amSEA - XIY
1 stop20h 15mAsiana Airlines
Thu 12/41:25 pmXIY - SEA
1 stop16h 30mAsiana Airlines
Deal found 10/26$693
This Asiana Airlines deal was found by Cheapflights users on 10/26. 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 11/212:10 amSEA - XIY
1 stop20h 15mAsiana Airlines
Sun 12/71:25 pmXIY - SEA
1 stop16h 30mAsiana Airlines
Deal found 10/26$735
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/46:50 pmSEA - XIY
2 stops36h 45mMultiple Airlines
Thu 12/48:00 amXIY - SEA
2 stops25h 28mMultiple Airlines
Deal found 10/26$766
This IEagle deal was found by Cheapflights users on 10/26. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:00 amSEA - XIY
1 stop30h 55mHainan Airlines
Fri 12/56:30 pmXIY - SEA
1 stop29h 30mHainan Airlines
Deal found 10/26$818
This Asiana Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/212:10 amSEA - XIY
1 stop20h 15mAsiana Airlines
Mon 12/291:25 pmXIY - SEA
1 stop16h 30mAsiana Airlines
Deal found 10/26$860
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/410:00 amSEA - XIY
1 stop22h 15mHainan Airlines
Mon 12/16:30 pmXIY - SEA
1 stop29h 30mHainan Airlines
Deal found 10/26$885
This IEagle deal was found by Cheapflights users on 10/26. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:00 amSEA - XIY
1 stop22h 15mHainan Airlines
Wed 12/31:50 pmXIY - SEA
2 stops34h 15mHainan Airlines
Deal found 10/26$923
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:05 amSEA - XIY
2 stops43h 50mHainan Airlines
Mon 12/16:30 pmXIY - SEA
1 stop29h 30mHainan Airlines
Deal found 10/26$964
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:30 pmSEA - XIY
2 stops49h 05mMultiple Airlines
Fri 12/56:30 pmXIY - SEA
1 stop29h 30mMultiple Airlines
Deal found 10/26$974
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Sat 11/111:00 amSEA - XIY
1 stop22h 15mHainan Airlines
Mon 12/16:30 pmXIY - SEA
1 stop29h 30mHainan Airlines
Deal found 10/26$975
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/610:05 amSEA - XIY
3 stops40h 45mHainan Airlines
Fri 12/56:30 pmXIY - SEA
1 stop29h 30mHainan Airlines
Deal found 10/26$995

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$860
(Asiana Airlines)

One-way from

$465
(IEagle)
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
One-way flight 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 October 28, 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

Tue 12/2

12:10 am-12:25 pm

1 stop20h 15m

Xi'an Xianyang

Mon 12/29

1:25 pm-1:55 pm

1 stop16h 30m

$860

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

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

10:55 pm-6:40 pm

3 stops35h 45m

$976

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 2/8

12:10 am-12:25 pm

1 stop20h 15m

Xi'an Xianyang

Tue 3/3

12:30 am-6:40 pm

3 stops34h 10m

$1,036

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 3/3

10:00 am-2:15 pm

1 stop36h 15m

$465

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 1/1

10:05 am-9:35 am

2 stops31h 30m

$481

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Sun 11/16

12:10 am-1:45 am

2 stops33h 35m

$496

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 3/3

11:45 pm-2:40 pm

2 stops46h 55m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
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 October 28, 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 October 28, 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
1,388 reviews

Boarding

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

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
1,388 reviews
Singapore Airlines
8.1
Very good
1,388 reviews

Boarding

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

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 20h 15m. Fly via Asiana Airlines or Korean Air 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$994Average$1,206FlexibilityNo cancel feeOn-time81%

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