Trip.com
>
Flights
>
Flights to United States
>
Flights to Washington
>
Flights to Seattle
Hotels in Seattle
>
Flights from Changsha to Seattle

Changsha to Seattle Flight Information

The approximate distance between Changsha and Seattle is 9,939.86 km. According to Trip.com data, travel demand hits its peak in January.

Cheapest one-way
US$449
Hainan Airlines Hainan Airlines CSX-SEA 36h 30m · 1 stop Tue, Sep 22
Book Now
Cheapest round-trip
US$1,118
Alaska Airlines Alaska Airlines CSX-SEA 28h · 2 stops Sun, Oct 4 - Sun, Oct 11
Book Now
Recommended airlines
Hainan Airlines Hainan Airlines Cheapest · From US$449 Korean Air Korean Air Most booked
When to fly
November
Cheapest
January
Peak season
Route details
9,939.86 km
Flight distance

Search cheap flights from Changsha to Seattle in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$449, and round-trip tickets start at US$1,118.

      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Sun, Oct 4 | Alaska Airlines
        SEA 13:35
        18h 55m
        1 stop
        CSX 23:30
        Seattle - Changsha | Sun, Oct 11 | Alaska Airlines
        US$1,118 US$1,797
        38% off
        38% off
        US$1,797 US$1,118
      • CSX 01:05
        24h 55m
        1 stop
        SEA 11:00
        Changsha - Seattle | Tue, Sep 1 | Korean Air
        SEA 12:25
        31h 35m
        1 stop
        CSX 11:00
        Seattle - Changsha | Fri, Sep 4 | Cathay Pacific
        US$1,120 US$1,797
        38% off
        38% off
        US$1,797 US$1,120
      • CSX 00:40
        27h 57m
        1 stop
        SEA 13:37
        Changsha - Seattle | Tue, Sep 1 | Delta Air Lines
        SEA 12:25
        31h 35m
        1 stop
        CSX 11:00
        Seattle - Changsha | Fri, Sep 4 | Cathay Pacific
        US$1,209 US$1,797
        33% off
        33% off
        US$1,797 US$1,209
      • CSX 01:05
        29h 40m
        1 stop
        SEA 15:45
        Changsha - Seattle | Tue, Sep 1 | Asiana Airlines
        SEA 12:25
        31h 35m
        1 stop
        CSX 11:00
        Seattle - Changsha | Fri, Sep 4 | Cathay Pacific
        US$1,213
        32% off
        US$1,797 US$1,213
      • CSX 01:05
        24h 35m
        1 stop
        SEA 10:40
        Changsha - Seattle | Sun, Oct 4 | Korean Air
        SEA 12:50
        20h 5m
        1 stop
        CSX 23:55
        Seattle - Changsha | Sun, Oct 11 | Korean Air
        US$1,218
        32% off
        US$1,797 US$1,218
      • CSX 01:05
        27h 35m
        1 stop
        SEA 13:40
        Changsha - Seattle | Tue, Sep 1 | Alaska Airlines
        SEA 12:25
        31h 35m
        1 stop
        CSX 11:00
        Seattle - Changsha | Fri, Sep 4 | Cathay Pacific
        US$1,246
        31% off
        US$1,797 US$1,246
      • CSX 00:40
        30h 5m
        1 stop
        SEA 15:45
        Changsha - Seattle | Wed, Aug 12 | Asiana Airlines
        SEA 00:10
        32h 20m
        1 stop
        CSX 23:30
        Seattle - Changsha | Sun, Aug 16 | Asiana Airlines
        US$1,279
        28% off
        US$1,797 US$1,279
      • CSX 11:30
        37h 25m
        1 stop
        SEA 09:55
        Changsha - Seattle | Thu, Oct 8 | Hainan Airlines
        SEA 12:50
        20h 15m
        1 stop
        CSX 00:05
        Seattle - Changsha | Wed, Oct 14 | Korean Air
        US$1,299
        28% off
        US$1,797 US$1,299
      • CSX 01:05
        27h 32m
        1 stop
        SEA 13:37
        Changsha - Seattle | Sun, Oct 4 | Delta Air Lines
        SEA 13:00
        19h 55m
        1 stop
        CSX 23:55
        Seattle - Changsha | Sun, Oct 11 | Delta Air Lines
        US$1,435
        20% off
        US$1,797 US$1,435
      • CSX 00:40
        28h 25m
        1 stop
        SEA 14:05
        Changsha - Seattle | Sun, Aug 16 | Alaska Airlines
        SEA 12:25
        31h 35m
        1 stop
        CSX 11:00
        Seattle - Changsha | Tue, Aug 18 | Cathay Pacific
        US$1,473
        18% off
        US$1,797 US$1,473
      • CSX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Changsha - Seattle | Tue, Aug 11 | Normal Airline
        SEA 15:00
        6h
        Nonstop
        CSX 16:00
        Seattle - Changsha | Thu, Aug 13 | Normal Airline
        More cheap flights
        More cheap flights
      • CSX 11:30
        36h 30m
        1 stop
        SEA 09:00
        Changsha - Seattle | Tue, Sep 22 | Hainan Airlines
        US$449 US$708
        37% off
        37% off
        US$708 US$449
      • CSX 11:30
        36h 30m
        1 stop
        SEA 09:00
        Changsha - Seattle | Sat, Sep 19 | Hainan Airlines
        US$449 US$708
        37% off
        37% off
        US$708 US$449
      • CSX 12:00
        37h 20m
        1 stop
        SEA 10:20
        Changsha - Seattle | Tue, Sep 22 | Cathay Pacific
        US$503 US$708
        28% off
        28% off
        US$708 US$503
      • CSX 00:40
        29h 35m
        1 stop
        SEA 15:15
        Changsha - Seattle | Sat, Sep 19 | Asiana Airlines
        US$507
        28% off
        US$708 US$507
      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Sun, Sep 6 | Alaska Airlines
        US$508
        28% off
        US$708 US$508
      • CSX 00:40
        29h 35m
        1 stop
        SEA 15:15
        Changsha - Seattle | Tue, Sep 22 | Asiana Airlines
        US$509
        28% off
        US$708 US$509
      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Sat, Oct 3 | Alaska Airlines
        US$532
        25% off
        US$708 US$532
      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Tue, Sep 22 | Alaska Airlines
        US$576
        19% off
        US$708 US$576
      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Sat, Sep 19 | Alaska Airlines
        US$580
        18% off
        US$708 US$580
      • CSX 00:40
        28h
        1 stop
        SEA 13:40
        Changsha - Seattle | Sun, Oct 4 | Alaska Airlines
        US$580
        18% off
        US$708 US$580
      • CSX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Changsha - Seattle | Tue, Aug 11 | Normal Airline
        More cheap flights
        More cheap flights

Popular airlines flying from Changsha to Seattle

You can choose from 1 airlines that fly from Changsha to Seattle, including Korean Air, Hainan Airlines has lowest fares on this route.
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Changsha to Seattle according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Changsha to Seattle (CSX-SEA)?

    Based on Trip.com data, Hainan Airlines offers one-way fares as low as US$449 on Cheapest nonstop routes (e.g. CSX to SEA on Tue, Sep 22), while Alaska Airlines offers Cheapest nonstop round-trips from US$1,118 departing on Sun, Oct 4 and returning on Sun, Oct 11.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Changsha to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Changsha to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 22, with one-way flights priced at just US$449.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hainan Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Changsha to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Changsha to Seattle on August 20, 2026 with Asiana Airlines, with prices starting at US$731.
  • The time difference between Seattle and Changsha is 16h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Changsha to Seattle is US$956. Fares vary by travel date, airline and availability.
  • Enter Changsha and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Trip.com Airline Insights on Flights from Changsha to Seattle

Which airline offers the cheapest direct flights from Changsha to Seattle?

Data is based on the average price of all nonstop flights from Changsha to Seattle on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Hainan Airlines provides the lowest-priced direct flights from Changsha to Seattle, with fares starting at US$462.

US$335
US$462
US$590
US$717
US$844
Hainan Airlines
US$462
Hainan Airlines
Tianjin Airlines
US$637
Tianjin Airlines
Asiana Airlines
US$731
Asiana Airlines
Korean Air
US$844
Korean Air

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.