$461 Cheap Flights from Changsha (CSX) to Seattle (SEA)

View $461 flight on Fri, May 22, 2026Opens 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 $461 for one-way flights and $789 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, May 18 - Sat, Sep 26
CSX
Changsha
SEA
Seattle
$789 Roundtrip, just found
$789
Roundtrip
just found
Select Cathay Pacific flight, departing Mon, May 18 from Changsha to Seattle, returning Sat, Sep 26, priced at $789 just found
Cathay Pacific
Tue, Apr 28 - Thu, Oct 15
CSX
Changsha
SEA
Seattle
$791 Roundtrip, found 5 days ago
$791
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Apr 28 from Changsha to Seattle, returning Thu, Oct 15, priced at $791 found 5 days ago
Cathay Pacific
Tue, Apr 28 - Thu, Oct 15
CSX
Changsha
SEA
Seattle
$796 Roundtrip, found 5 days ago
$796
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Tue, Apr 28 from Changsha to Seattle, returning Thu, Oct 15, priced at $796 found 5 days ago
Hainan Airlines
Mon, May 18 - Sat, Sep 26
CSX
Changsha
SEA
Seattle
$798 Roundtrip, just found
$798
Roundtrip
just found
Select Hainan Airlines flight, departing Mon, May 18 from Changsha to Seattle, returning Sat, Sep 26, priced at $798 just found
Cathay Pacific
Thu, Apr 23 - Thu, Oct 15
CSX
Changsha
SEA
Seattle
$801 Roundtrip, found 5 days ago
$801
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Thu, Apr 23 from Changsha to Seattle, returning Thu, Oct 15, priced at $801 found 5 days ago
Cathay Pacific
Thu, Apr 23 - Thu, Oct 15
CSX
Changsha
SEA
Seattle
$806 Roundtrip, found 5 days ago
$806
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Thu, Apr 23 from Changsha to Seattle, returning Thu, Oct 15, priced at $806 found 5 days ago
Cathay Pacific
Mon, Apr 13 - Tue, Aug 25
CSX
Changsha
SEA
Seattle
$807 Roundtrip, found 4 days ago
$807
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Mon, Apr 13 from Changsha to Seattle, returning Tue, Aug 25, priced at $807 found 4 days ago
Korean Air
Thu, Apr 23 - Thu, Oct 15
CSX
Changsha
SEA
Seattle
$862 Roundtrip, found 5 days ago
$862
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Apr 23 from Changsha to Seattle, returning Thu, Oct 15, priced at $862 found 5 days ago
Asiana Airlines
Mon, May 18 - Sat, Sep 26
CSX
Changsha
SEA
Seattle
$997 Roundtrip, just found
$997
Roundtrip
just found
Select Asiana Airlines flight, departing Mon, May 18 from Changsha to Seattle, returning Sat, Sep 26, priced at $997 just found
Air China
Wed, May 13 - Wed, Nov 18
CSX
Changsha
SEA
Seattle
$1,535 Roundtrip, found 18 hours ago
$1,535
Roundtrip
found 18 hours ago
Select Air China flight, departing Wed, May 13 from Changsha to Seattle, returning Wed, Nov 18, priced at $1,535 found 18 hours ago

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Frequently asked questions

How much does a flight from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $461 and cheap return flights from $789 Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $521 and $5004, and return flights often range between $925 and $6859. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from CSX to SEA is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter CSX to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Sichuan Airlines is one of the cheapest airlines offering connecting flights from Huanghua Intl. (CSX) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $1,011.53 with a layover in Tianfu Intl. (TFU). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Huanghua International Airport (CSX) to Seattle - Tacoma International Airport (SEA) typically departs at around 12:05 AM, operated by Singapore Airlines. This seasonal service allows you to arrive in Seattle early, giving you a full day to explore the city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Huanghua International (CSX) to Seattle - Tacoma International Airport (SEA) are in the early morning, from 6am to 9am. This time frame represents about 30% of total traffic. Airlines like Hainan Airlines and Delta Airlines operate during this window. Many travelers choose these early flights to maximize their time in Seattle.
How long does it take to fly from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from CSX to SEA with a connection usually takes about 16 hours 30 minutes, traveling roughly 6,177 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Business class seats are offered on the CSX to SEA route. Airlines that offer business class service on this route include:

  • Asiana Airlines
  • Air China
  • Sichuan Airlines
  • Shanghai Airlines
  • Cathay Pacific
  • Korean Air
  • China Southern Airlines
  • Xiamen Airlines
  • Juneyao Airlines

How do I earn miles on a Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Huanghua Intl. (CSX)?
If you're planning to travel to Seattle from Huanghua Intl. (CSX), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Capital Intl. (PEK), Hong Kong Intl. (HKG), Pudong Intl. (PVG) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Changsha (CSX-Huanghua Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Huanghua Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, Hainan Airlines, Korean Air
Roundtrip price
$789
Distance
6176 mi

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $461 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.

 

Changsha to Seattle Flights

*Flight schedules are subject to change.

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*Available to One Key members.