$442 Cheap Flights from Changsha (CSX) to Seattle (SEA)

View $442 flight on Tue, Dec 23, 2025Opens in a new window

Popular airlines from Changsha (CSX-Huanghua Intl.) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Changsha to Seattle (CSX-SEA)

Prices were available within the past 7 days and start at $442 for one-way flights and $771 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Dec 17 - Wed, Dec 24
CSX
Changsha
SEA
Seattle
$771 Roundtrip, found 3 days ago
$771
Roundtrip
found 3 days ago
Select Korean Air flight, departing Wed, Dec 17 from Changsha to Seattle, returning Wed, Dec 24, priced at $771 found 3 days ago
Asiana Airlines
Mon, Sep 15 - Tue, Sep 30
CSX
Changsha
SEA
Seattle
$772 Roundtrip, found 6 days ago
$772
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Mon, Sep 15 from Changsha to Seattle, returning Tue, Sep 30, priced at $772 found 6 days ago
Korean Air
Wed, Dec 17 - Fri, Dec 26
CSX
Changsha
SEA
Seattle
$848 Roundtrip, found 3 days ago
$848
Roundtrip
found 3 days ago
Select Korean Air flight, departing Wed, Dec 17 from Changsha to Seattle, returning Fri, Dec 26, priced at $848 found 3 days ago
Hainan Airlines
Sat, Dec 20 - Sat, Dec 27
CSX
Changsha
SEA
Seattle
$850 Roundtrip, found 3 days ago
$850
Roundtrip
found 3 days ago
Select Hainan Airlines flight, departing Sat, Dec 20 from Changsha to Seattle, returning Sat, Dec 27, priced at $850 found 3 days ago
Hainan Airlines
Mon, Sep 15 - Tue, Sep 30
CSX
Changsha
SEA
Seattle
$852 Roundtrip, found 6 days ago
$852
Roundtrip
found 6 days ago
Select Hainan Airlines flight, departing Mon, Sep 15 from Changsha to Seattle, returning Tue, Sep 30, priced at $852 found 6 days ago
Hainan Airlines
Wed, Oct 1 - Tue, Mar 24
CSX
Changsha
SEA
Seattle
$885 Roundtrip, found 2 days ago
$885
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Wed, Oct 1 from Changsha to Seattle, returning Tue, Mar 24, priced at $885 found 2 days ago
Hainan Airlines
Mon, Sep 15 - Tue, Sep 30
CSX
Changsha
SEA
Seattle
$895 Roundtrip, found 6 days ago
$895
Roundtrip
found 6 days ago
Select Hainan Airlines flight, departing Mon, Sep 15 from Changsha to Seattle, returning Tue, Sep 30, priced at $895 found 6 days ago
Asiana Airlines
Sat, Dec 20 - Wed, Dec 24
CSX
Changsha
SEA
Seattle
$924 Roundtrip, found 3 days ago
$924
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Sat, Dec 20 from Changsha to Seattle, returning Wed, Dec 24, priced at $924 found 3 days ago
China Southern Airlines
Sat, Sep 6 - Thu, Sep 11
CSX
Changsha
SEA
Seattle
$935 Roundtrip, found 8 hours ago
$935
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Sat, Sep 6 from Changsha to Seattle, returning Thu, Sep 11, priced at $935 found 8 hours ago
Air China
Sat, Sep 6 - Thu, Sep 11
CSX
Changsha
SEA
Seattle
$950 Roundtrip, found 8 hours ago
$950
Roundtrip
found 8 hours ago
Select Air China flight, departing Sat, Sep 6 from Changsha to Seattle, returning Thu, Sep 11, priced at $950 found 8 hours ago
Flights from Changsha (CSX) to Seattle (SEA)
Origin airport
Huanghua Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air China, Asiana Airlines, Singapore Airlines
Roundtrip price
$770
Distance
6176 mi

Changsha to Seattle Flights

The cheapest times to fly from Changsha to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Changsha to Seattle are during the month of December. You can find some of the cheapest flights from Changsha to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Changsha to Seattle

Sunday is one of the best days to book for cheap flights from Changsha to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Changsha to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Changsha to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $442 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Changsha to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Changsha to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $442 or cheap return flight from $771 from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in December is a great way to save, as it's the cheapest month for flights between CSX and SEA. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CSX to SEA flight.
How many flights per day from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CSX to SEA?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from CSX to SEA right before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CSX to SEA flight and hotel package?
Booking a CSX to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Huanghua Intl. Airport (CSX) to Seattle - Tacoma Intl. Airport (SEA)?
Generally, it's possible to cancel or reschedule your CSX to SEA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.