What are the cheapest airlines flying from Seattle to Xi'an round-trip?

According to our current data, China Eastern ($971), Hainan Airlines ($1,426), and Singapore Airlines ($1,542) offers the cheapest pricing from Seattle to Xi'an.

What are the cheapest airlines to fly from Seattle to Xi'an one-way?

For one-way options, check prices for Air China. According to our data, you can fly for as low as $656. Users have also found prices from $785 and $940 on Hainan Airlines and Asiana Airlines, respectively.

What is the cheapest month to book a flight from Seattle to Xi'an?

Currently, March is the cheapest month in which you can book a flight from Seattle to Xi'an (average of $960). Flying from Seattle to Xi'an in June is currently the most expensive (average of $2,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Seattle to Xi'an?

Travelers seeking maximum savings on their Seattle to Xi'an flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Seattle to Xi'an?

Hainan Airlines, Korean Air and Singapore Airlines are the most popular airlines when flying from Seattle to Xi'an.

What is the cheapest day to fly round-trip from Seattle to Xi'an?

Users have found that flying from Seattle to Xi'an on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Most accurate provider : When it comes to deals on Seattle-Xi'an flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Xi'an flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$656+ Flights from Seattle to Xi'an - Compare & Save Big

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Seattle to Xi'an

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$971 (FlightHub)
One-way from	$656 (CrystalTravel)

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.

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From Seattle/Tacoma Intl to Xi'an Xianyang

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One-way flight from Seattle/Tacoma Intl to Xi'an Xianyang

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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 April 30, 2025.

Tue 5/67:10 amSEA - XIY

2 stops44h 30mChina Eastern

Tue 5/136:30 amXIY - SEA

2 stops25h 15mChina Eastern

Deal found 4/29

$971

Tue 5/611:00 amSEA - XIY

1 stop20h 00mMultiple Airlines

Tue 5/131:40 pmXIY - SEA

2 stops36h 18mMultiple Airlines

Deal found 4/29

$1,105

Tue 11/42:00 pmSEA - XIY

1 stop30h 10mAsiana Airlines

Tue 11/181:10 pmXIY - SEA

1 stop15h 25mAsiana Airlines

Deal found 4/29

$1,213

Tue 5/2711:00 amSEA - XIY

1 stop35h 25mHainan Airlines

Tue 6/31:55 pmXIY - SEA

3 stops58h 05mHainan Airlines

Deal found 4/29

$1,426

Tue 5/610:15 amSEA - XIY

1 stop47h 20mSingapore Airlines

Mon 5/121:35 amXIY - SEA

1 stop22h 10mSingapore Airlines

Deal found 4/29

$1,542

Fri 6/137:20 amSEA - XIY

2 stops23h 55mUnited Airlines

Fri 6/203:30 pmXIY - SEA

2 stops38h 08mUnited Airlines

Deal found 4/29

$4,126

Fri 6/135:15 pmSEA - XIY

2 stops49h 30mEmirates

Fri 6/2011:00 amXIY - SEA

2 stops41h 25mEmirates

Deal found 4/29

$9,422

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 April 30, 2025.

Tue 5/67:10 amSEA - XIY

2 stops44h 30mChina Eastern

Tue 5/136:30 amXIY - SEA

2 stops25h 15mChina Eastern

Deal found 4/29

$971

Tue 5/611:00 amSEA - XIY

1 stop20h 00mMultiple Airlines

Tue 5/131:40 pmXIY - SEA

2 stops36h 18mMultiple Airlines

Deal found 4/29

$1,105

Tue 5/2711:00 amSEA - XIY

1 stop35h 25mHainan Airlines

Tue 6/31:55 pmXIY - SEA

3 stops58h 05mHainan Airlines

Deal found 4/29

$1,426

Tue 5/610:15 amSEA - XIY

1 stop47h 20mSingapore Airlines

Mon 5/121:35 amXIY - SEA

1 stop22h 10mSingapore Airlines

Deal found 4/29

$1,542

Tue 5/272:15 pmSEA - XIY

1 stop30h 55mAsiana Airlines

Tue 6/31:10 pmXIY - SEA

1 stop14h 20mAsiana Airlines

Deal found 4/29

$1,563

Fri 6/137:20 amSEA - XIY

2 stops23h 55mUnited Airlines

Fri 6/203:30 pmXIY - SEA

2 stops38h 08mUnited Airlines

Deal found 4/29

$4,126

Fri 6/135:15 pmSEA - XIY

2 stops49h 30mEmirates

Fri 6/2011:00 amXIY - SEA

2 stops41h 25mEmirates

Deal found 4/29

$9,422

Last-minute flights from Seattle to Xi'an
Discover last-minute flight deals from Seattle to Xi'an. Data last updated April 30, 2025 and is based on user searches.

Tue 5/67:10 amSEA - XIY

2 stops44h 30mChina Eastern

Tue 5/136:30 amXIY - SEA

2 stops25h 15mChina Eastern

Deal found 4/29

$971

Tue 5/611:00 amSEA - XIY

1 stop20h 00mMultiple Airlines

Tue 5/131:40 pmXIY - SEA

2 stops36h 18mMultiple Airlines

Deal found 4/29

$1,105

Tue 5/610:15 amSEA - XIY

1 stop47h 20mSingapore Airlines

Mon 5/121:35 amXIY - SEA

1 stop22h 10mSingapore Airlines

Deal found 4/29

$1,542

Tue 5/2711:00 amSEA - XIY

1 stop35h 25mHainan Airlines

Tue 6/31:55 pmXIY - SEA

3 stops58h 05mHainan Airlines

Deal found 4/29

$1,426

Tue 5/272:15 pmSEA - XIY

1 stop30h 55mAsiana Airlines

Tue 6/31:10 pmXIY - SEA

1 stop14h 20mAsiana Airlines

Deal found 4/29

$1,563

One-way flights from Seattle to Xi'an
Search for one-way flight options from Seattle to Xi'an. Find affordable one-way fares based on user searches. Data last updated April 30, 2025.

Thu 7/175:14 pmSEA - XIY

2 stops27h 36mAir China

Deal found 4/29

$656

Thu 7/1711:35 amSEA - XIY

3 stops45h 50mHainan Airlines

Deal found 4/29

$785

Wed 7/161:15 amSEA - XIY

2 stops22h 20mMultiple Airlines

Deal found 4/29

$804

Fri 7/182:30 pmSEA - XIY

1 stop30h 40mAsiana Airlines

Deal found 4/29

$940

Wed 6/187:20 amSEA - XIY

2 stops25h 35mChina Eastern

Deal found 4/29

$1,151

Cheapflights Fare Finder

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

Fri 6/13

2:15 pm-12:35 pm

2 stops55h 20m

Xi'an Xianyang

Fri 6/20

6:30 pm-9:00 am

1 stop29h 30m

$1,258

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 5/27

11:00 am-1:25 pm

1 stop35h 25m

Xi'an Xianyang

Tue 6/3

1:55 pm-9:00 am

3 stops58h 05m

$1,426

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 5/27

2:15 pm-12:10 pm

1 stop30h 55m

Xi'an Xianyang

Tue 6/3

1:10 pm-12:30 pm

1 stop14h 20m

$1,563

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Tue 5/27

10:15 am-12:35 am

1 stop47h 20m

Xi'an Xianyang

Mon 6/2

1:35 am-8:45 am

1 stop22h 10m

$1,614

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 6/13

7:20 am-10:15 pm

2 stops23h 55m

Xi'an Xianyang

Fri 6/20

3:30 pm-2:38 pm

2 stops38h 08m

$4,126

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 6/13

5:15 pm-9:45 am

2 stops49h 30m

Xi'an Xianyang

Fri 6/20

11:00 am-1:25 pm

2 stops41h 25m

$9,422

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 7/17

5:14 pm-11:50 am

2 stops27h 36m

$656

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Thu 7/17

11:35 am-12:25 am

3 stops45h 50m

$785

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Wed 7/16

1:15 am-2:35 pm

2 stops22h 20m

$804

SeattleXi'an

SEA - XIY

SEAXIY

Seattle/Tacoma Intl

Fri 7/18

2:30 pm-12:10 pm

1 stop30h 40m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 results

Compare providers for flights from Seattle to Xi'an

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Xi'an flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 23% on airfare.

Rainfall in Xi'an by month

In terms of precipitation, rainfall in Xi'an ranges from 0.0 - 3.9 inches per month. September is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Xi'an when rainfall is around 0.0 in.

Temperature in Xi'an by month

If weather is an important factor for your trip to Xi'an, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Xi'an

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Asiana Airlines

8.2

Very good

442 reviews

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Hainan Airlines

8.1

Very good

38 reviews

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Singapore Airlines

8.1

Very good

1,292 reviews

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Emirates

8.0

Very good

3,215 reviews

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

United Airlines

7.4

Good

8,696 reviews

Asiana Airlines

8.2

Very good

442 reviews

Reviews

1 / 20

4.0

Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Related info for your journey

What are the cheapest airlines flying from Seattle to Xi'an round-trip?
According to our current data, China Eastern ($971), Hainan Airlines ($1,426), and Singapore Airlines ($1,542) offers the cheapest pricing from Seattle to Xi'an.
What are the cheapest airlines to fly from Seattle to Xi'an one-way?
For one-way options, check prices for Air China. According to our data, you can fly for as low as $656. Users have also found prices from $785 and $940 on Hainan Airlines and Asiana Airlines, respectively.
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.
What is the cheapest month to book a flight from Seattle to Xi'an?
Currently, March is the cheapest month in which you can book a flight from Seattle to Xi'an (average of $960). Flying from Seattle to Xi'an in June is currently the most expensive (average of $2,007). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Xi'an

Portland to Xi'an flights

Top 3 airlines flying from Seattle to Xi'an

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$994	Average$1,206	FlexibilityNo cancel fee	On-time81%
Hainan Airlines	Cheapest$1,055	Average$1,153	FlexibilityNo cancel fee	On-time61%
Korean Air	Cheapest$1,499	Average$1,787	FlexibilityNo cancel fee	On-time81%

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$656+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Xi'an with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Xi'an

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Seattle to Xi'an

Cheapest flights from Seattle to Xi'anExplore 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 April 30, 2025.

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 April 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Xi'an that are best for you.

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 April.

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.

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 April 30, 2025.

Rainfall in Xi'an by month

Plan your trip to Xi'an by taking into account the average rainfall totals by month.

Temperature in Xi'an by month

Plan your trip to Xi'an by taking into account the average temperature totals by month.

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 April 30, 2025.

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.

What are the cheapest airlines flying from Seattle to Xi'an round-trip?

What are the cheapest airlines to fly from Seattle to Xi'an one-way?

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

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

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

What is the cheapest month to book a flight from Seattle to Xi'an?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Xi'an

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Seattle to Xi'an

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Travel Smart

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 April 30, 2025.