SEA - CSX

$473 Find Cheap Flights from Seattle to Changsha - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$837
Typical prices: $858-$1,055
Cathay Pacific
Sat 9/29Sat 10/20
SEA - CSX • 1 stop
Cheapest one-way
$473
Typical prices: $536-$651
Cathay Pacific
Wed 9/5
SEA - CSX • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Changsha. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 23% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $841 (round-trip)
Incheon Intl (ICN)
Shortest trip • 25h 24m (one-way)
Insights
Insights
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We hope you love your trip to Changsha!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Changsha (SEA-CSX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Changsha

Tue, Sep 29 - Tue, Oct 20
Cathay Pacific Logo
11:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
33h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$837Cathay Pacific
Tue, Sep 29 - Wed, Oct 21
Cathay Pacific Logo
11:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
33h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$837Cathay Pacific
Tue, Sep 29 - Sun, Oct 18
Cathay Pacific Logo
11:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
33h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$850Cathay Pacific
Tue, Sep 29 - Mon, Oct 19
Cathay Pacific Logo
11:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
33h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$850Cathay Pacific
Mon, Sep 28 - Wed, Oct 21
Asiana Airlines Logo
12:10 am - 11:30 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
32h 20m1 stop Incheon Intl
Asiana Airlines Logo
12:40 am - 3:15 pmCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Incheon Intl
$853Asiana Airlines
Tue, Sep 29 - Wed, Oct 21
Asiana Airlines Logo
12:10 am - 11:30 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
32h 20m1 stop Incheon Intl
Asiana Airlines Logo
12:40 am - 3:15 pmCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Incheon Intl
$853Asiana Airlines
Mon, Oct 12 - Wed, Oct 21
Asiana Airlines Logo
12:10 am - 11:30 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
32h 20m1 stop Incheon Intl
Asiana Airlines Logo
12:40 am - 3:15 pmCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Incheon Intl
$853Asiana Airlines
Wed, Sep 30 - Wed, Oct 21
Multiple Airlines Logo
5:59 pm - 11:00 amSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
26h 01m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$857Multiple Airlines
Wed, Sep 30 - Wed, Oct 21
Multiple Airlines Logo
5:59 pm - 11:00 amSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
26h 01m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$858Multiple Airlines
Tue, Sep 29 - Mon, Oct 19
Cathay Pacific Logo
11:45 am - 12:00 pmSEA  Seattle/Tacoma Intl-CSX Changsha Huanghua Intl
33h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
12:00 pm - 10:05 amCSX  Changsha Huanghua Intl-SEA Seattle/Tacoma Intl
37h 05m1 stop Hong Kong Intl
$859Cathay Pacific
Booking Insights

Price, demand and travel trends for Seattle to Changsha flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Changsha with more confidence.

How much is a round-trip flight from Seattle to Changsha?

Round-trip flights from Seattle to Changsha start at $837. Prices are below average for this route right now, with typical round-trip fares ranging from $858 to $1,055. The lowest price found in the past 5 days was $837 on Cathay Pacific.

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Key details for Seattle to Changsha flights

Low season

April

Cheapest flight

$473
Flight from Seattle to Changsha

When to book flights from Seattle to Changsha

Are your dates flexible? Find out the best times to travel from Seattle to Changsha based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Changsha flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Changsha?

    Flights from Seattle to Changsha usually depart from Seattle/Tacoma Intl (SEA) and arrive at Changsha Huanghua Intl (CSX).

  • What cabin classes can I book on flights from Seattle to Changsha?

    Only Economy Class is available on flights from Seattle to Changsha.

  • Which airports do connecting flights from Seattle to Changsha pass through?

    Connecting flights from Seattle to Changsha most commonly pass through:

    • Incheon Intl (ICN) - 80% of one-stop connections
    • Beijing Capital (PEK) - 20% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Seattle to Changsha?

    On the Seattle to Changsha route, being flexible with your departure day can save you up to 44%. Saturday is the cheapest day at $858 round-trip on average, while Sunday is the most expensive at $1,517: a $659 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Changsha?

    Huitang Hot Spring is one of the most viewed places in Changsha on KAYAK.

  • How long is a flight from Seattle to Changsha?

    A nonstop flight from Seattle to Changsha takes 0h 00m, covering 6,172 miles.

  • What are the earliest and latest flights from Seattle to Changsha?

    These are the earliest and latest flight times available from Seattle to Changsha:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • Do I need a passport to fly from Seattle to Changsha?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Changsha changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $837 to $2,507. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Seattle to Changsha looking right now?

    One-way fares from Seattle to Changsha are currently lower than usual. Average one-way flight prices are about $527, which is 13% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Seattle to Changsha?

    Flying via Beijing Capital (PEK) gives the shortest average 1-stop total travel time at 17h 49m, compared with 25h 24m via Incheon Intl (ICN).

  • What is the time difference between Seattle and Changsha?

    Changsha is 15 hours ahead of Seattle (China Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Seattle to Changsha flight?

    Round-trip flights from Seattle to Changsha range from $858 to $1,055, with an average of $906 over the past 12 months. Anything below $858 counts as a good deal.

Your guide to booking Seattle to Changsha flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $858 - about $659 less than Sunday (43% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Changsha trip for March. Fares historically average $701 round-trip in that month - typically $816 less than the most expensive month, which is December (based on the last 12 months).

Everything you need to know for your flight from Seattle to Changsha

Information on your arrival and departure airports

Seattle (SEA)
Changsha (CSX)