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$407 Cheap Flights from Seattle (SEA) to Changsha (CSX)

View $407 flight on Wed, Sep 16, 2026Opens in a new window

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

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Cheap Flights from Seattle to Changsha (SEA-CSX)

Prices were available within the past 7 days and start at $407 for one-way flights and $681 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Wed, Sep 16 - Tue, Sep 29
SEA
Seattle
CSX
Changsha
$681 Roundtrip, found 1 hour ago
$681
Roundtrip
found 1 hour ago
Select Cathay Pacific flight, departing Wed, Sep 16 from Seattle to Changsha, returning Tue, Sep 29, priced at $681 found 1 hour ago
Cathay Pacific
Wed, Sep 23 - Fri, Oct 2
SEA
Seattle
CSX
Changsha
$731 Roundtrip, found 1 day ago
$731
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Wed, Sep 23 from Seattle to Changsha, returning Fri, Oct 2, priced at $731 found 1 day ago
Cathay Pacific
Mon, Sep 21 - Tue, Oct 6
SEA
Seattle
CSX
Changsha
$756 Roundtrip, just found
$756
Roundtrip
just found
Select Cathay Pacific flight, departing Mon, Sep 21 from Seattle to Changsha, returning Tue, Oct 6, priced at $756 just found
Alaska Airlines
Mon, Sep 21 - Tue, Oct 6
SEA
Seattle
CSX
Changsha
$761 Roundtrip, just found
$761
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Sep 21 from Seattle to Changsha, returning Tue, Oct 6, priced at $761 just found
Cathay Pacific
Wed, Sep 23 - Sun, Oct 4
SEA
Seattle
CSX
Changsha
$766 Roundtrip, found 1 hour ago
$766
Roundtrip
found 1 hour ago
Select Cathay Pacific flight, departing Wed, Sep 23 from Seattle to Changsha, returning Sun, Oct 4, priced at $766 found 1 hour ago
Cathay Pacific
Mon, Sep 21 - Tue, Oct 6
SEA
Seattle
CSX
Changsha
$787 Roundtrip, just found
$787
Roundtrip
just found
Select Cathay Pacific flight, departing Mon, Sep 21 from Seattle to Changsha, returning Tue, Oct 6, priced at $787 just found
Cathay Pacific
Mon, Sep 21 - Tue, Oct 6
SEA
Seattle
CSX
Changsha
$793 Roundtrip, just found
$793
Roundtrip
just found
Select Cathay Pacific flight, departing Mon, Sep 21 from Seattle to Changsha, returning Tue, Oct 6, priced at $793 just found
Asiana Airlines
Wed, Sep 16 - Tue, Sep 29
SEA
Seattle
CSX
Changsha
$886 Roundtrip, found 1 hour ago
$886
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Wed, Sep 16 from Seattle to Changsha, returning Tue, Sep 29, priced at $886 found 1 hour ago
Hainan Airlines
Sat, Aug 29 - Mon, Sep 14
SEA
Seattle
CSX
Changsha
$898 Roundtrip, found 1 day ago
$898
Roundtrip
found 1 day ago
Select Hainan Airlines flight, departing Sat, Aug 29 from Seattle to Changsha, returning Mon, Sep 14, priced at $898 found 1 day ago
Korean Air
Tue, Sep 1 - Wed, Dec 2
SEA
Seattle
CSX
Changsha
$906 Roundtrip, found 4 days ago
$906
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Sep 1 from Seattle to Changsha, returning Wed, Dec 2, priced at $906 found 4 days ago

What you need to know for your flight from Seattle - Tacoma Intl. to Huanghua Intl.

Seattle (SEA) to Changsha (CSX) at a glance

Travel with a selection of airlines offering routes from Seattle (SEA) to Changsha (CSX) on this international long-haul journey. Explore a range of options from full-service carriers to find the itinerary that suits your budget, schedule, and travel plans as you discover the iconic sights and neighborhoods of Changsha. Get essential information for flights departing from Seattle-Tacoma International Airport (SEA) to Huanghua International Airport (CSX).

  • Fastest flight duration: around 15h 30m in-flight, plus roughly 3 hours layover with one stop
  • Route distance: roughly 6,200 miles (9,980 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $415–$970, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Huanghua International Airport (CSX)

Based on the latest travel bookings, here are the top airlines flying from Seattle to Changsha, often favored for their one-stop options. Popular layover points include Incheon International Airport (ICN) with about a 3-hour and 15-minute layover, Capital International Airport (PEK) with approximately a 2-hour and 30-minute layover, and Jiangbei International Airport (CKG) with around a 4-hour and 45-minute layover. These choices allow you to tailor your itinerary by balancing price, total travel time, and cabin class.

  • Hainan Airlines: This full-service airline provides one-stop service, with one-way ticket prices generally between $415 and $905. It represents about 34% of the flights on this route, featuring an in-flight duration of 15 hours and 30 minutes, leading to a total travel time of around 18 hours and 30 minutes, including a layover.
  • Asiana Airlines: Another full-service airline, Asiana offers one-stop journeys with one-way fares typically ranging from $570 to $1,175. It accounts for approximately 20% of departures on this route, with an in-flight time of 15 hours and 30 minutes and a total travel duration of about 18 hours and 30 minutes, factoring in the layover.
  • Hawaiian Airlines: Known for its full-service offerings, Hawaiian Airlines provides one-stop flights with one-way fares generally falling between $475 and $725. It constitutes roughly 17% of the departures on this route, featuring an in-flight time of 15 hours and 30 minutes and an overall journey time of approximately 18 hours and 30 minutes, including a layover.
  • Alaska Airlines: This full-service carrier offers one-stop service, with one-way fares usually ranging from $485 to $715. Alaska Airlines makes up about 14% of the departures on this route, with an in-flight duration of 15 hours and 30 minutes, resulting in a total journey time of around 18 hours and 30 minutes, including the layover.
  • Korean Air: A full-service airline, Korean Air offers one-stop service with one-way fares typically between $550 and $725. It represents approximately 6% of the departures on this route, featuring an in-flight time of 15 hours and 30 minutes and a total travel duration of about 18 hours and 30 minutes, including a layover.

How to find the best prices for flights from Seattle (SEA) to Changsha (CSX)

Getting some of the best deals on flights from Seattle to Changsha is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures (5 am-12 pm) often offer lower prices, although afternoon flights (12 pm-6 pm) are more popular. Additionally, flying on Thursday tends to be cheaper, while Saturday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Changsha hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Huanghua International Airport from Seattle - Tacoma International Airport

Changsha welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Changsha efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Changsha, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Huanghua International Airport is a great option if you plan to explore and sightsee beyond the city.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) cost?
You can find cheap one-way flights from $407 and cheap return flights from $681 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) with Expedia. One-way flights generally range between $546 and $5474, and roundtrip flights usually range from $1018 to $9805. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
The cheapest month to fly from SEA to CSX is September 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
Enter SEA to CSX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
EVA Airways is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Changsha (CSX) with a layover in Taoyuan Intl. (TPE), starting from around $1420. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
The earliest flight from Seattle (Seattle - Tacoma International Airport) to Changsha (Huanghua International) usually departs at around 12:10 AM. Operated by Asiana Airlines and Korean Air, this seasonal service is available in August, giving you a head start on your travels to China. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
When flying from Seattle, WA (SEA) to Changsha (CSX), the most popular departure times are from 9am to 12pm. This time window accounts for about 25% of total traffic. Many major carriers, including Hainan Airlines, Air Canada, and United Airlines, operate flights during this period. Many travelers prefer this timing as it allows for a productive morning before their flight.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
Flying from SEA to CSX with a connection usually takes about 19 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
Business class is available on flights from SEA to CSX. Airlines that offer business class service on this route include:

  • Qatar Airways
  • United Airlines
  • Turkish Airlines
  • Korean Air
  • Air Canada
  • Delta Air Lines
  • Emirates
  • Hawaiian Airlines

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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 Changsha from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Changsha from Seattle - Tacoma Intl. (SEA), you can fly into Huanghua Intl. (CSX) Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), Vancouver Intl. (YVR) before reaching Changsha. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.) flight and hotel package 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Changsha (CSX-Huanghua 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
Seattle - Tacoma Intl.
Destination airport
Huanghua Intl.
Airlines serving
Air Canada, Air China, American Airlines, Asiana Airlines, Cathay Pacific, China Eastern Airlines, Hainan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Singapore Airlines, United
Roundtrip price
$681
Distance
6176 mi

Book with confidence

Seattle to Changsha Flights

The cheapest times to fly from Seattle to Changsha

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 Seattle to Changsha are during the month of September. You can find some of the cheapest flights from Seattle to Changsha with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Changsha

Sunday is one of the best days to book for cheap flights from Seattle to Changsha: 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 Seattle to Changsha

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 Seattle to Changsha in 2026. You can also book with separate airlines for your outbound and return journeys, from $407 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 Seattle to Changsha 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 Seattle to Changsha 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.

 

Seattle to Changsha Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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