Title:  Cheap Flights from Seattle (SEA) to Hangzhou (HGH) - Expedia.ca

  

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# Cheap Flights from Seattle (SEA) to Hangzhou (HGH)

-   [Roundtrip](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

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InfantsYounger than 2

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## Popular airlines from Seattle-Tacoma International Airport (SEA) to Hangzhou (HGH-Xiaoshan Intl.)

-   ![Asiana Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OZ.svg)
    
    Asiana Airlines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OZ"}}])
-   ![Cathay Pacific](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg)
    
    Cathay Pacific
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}])
-   ![Korean Air](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg)
    
    Korean Air
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}])
-   ![Emirates](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg)
    
    Emirates
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}])
-   ![Hainan Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HU.svg)
    
    Hainan Airlines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HU"}}])
-   ![EVA Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BR.svg)
    
    EVA Airways
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BR"}}])
-   ![All Nippon Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NH.svg)
    
    All Nippon Airways
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:sea,to:hgh,departure:01/11/2025TANYT&leg2=from:hgh,to:sea,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NH"}}])

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## Find the cheapest month to fly from Seattle (SEA) to Hangzhou (HGH)

### November is typically the cheapest month to fly

From CA $1,050 - CA $2,018 per traveller.

Flight from Seattle to Hangzhou (SEA - HGH) route information

| Origin airport | Seattle - Tacoma Intl. |
| --- | --- |
| Destination airport | Xiaoshan Intl. |
| Distance | 9293 km |

## Seattle to Hangzhou Flights

**The easy way to book your flights from Seattle to Hangzhou** 

With Expedia, it’s simple to find and book flights to Hangzhou from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Xiaoshan Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Hangzhou today, tomorrow, or this week.  

**Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Xiaoshan Intl., HGH** 

Sort your search results by price to find great deals on your flight from Seattle to Hangzhou—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Hangzhou from Seattle currently is just rising to .  

Here are more money-saving tips: 

-   Fly in when flight prices are normally at their lowest 
-   Book about a month to 6 weeks before you travel for the best prices to Hangzhou  
-   Avoid peak season and weekends when flights can cost more
-   Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
-   One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

**Reasons to choose Expedia for your flight to Hangzhou from Seattle** 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Hangzhou with Expedia today.

## Frequently asked questions

### How much is a flight from Sea-Tac Airport to Hangzhou Xiaoshan Intl. Airport?

> Round-trip journeys from SEA to HGH start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from SEA to Xiaoshan Intl. Airport (HGH)?

> This differs between airlines, as each one has its own terms and conditions. Visit the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find easy instructions on how to cancel your flight online.

### How do I find cheap flights from SEA to HGH that have flexible change policies?

> Use our "No change fees" filter to find flexible travel options for your flight from Seattle - Tacoma Intl. Airport (SEA) to Hangzhou Xiaoshan Intl. Airport. This allows you to lock in a low rate ahead of time and still have the freedom to make changes without any additional fees. You'll just need to pay the difference in fare.

### How many hours is the flight from Sea-Tac Airport to Hangzhou Xiaoshan Intl. Airport?

> To comfortably pass the 16 hours and 32 minutes flight time between Sea-Tac Airport and Hangzhou Xiaoshan Intl. Airport, it's wise to plan ahead. A tablet filled with your favourite playlists is a great start.

### How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Hangzhou Xiaoshan Intl. Airport?

> SeaTac to Hangzhou is around 9,400 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your eye mask to your earphones. Throw in a couple of snacks to nibble on throughout your flight too.

### Which airlines fly direct from Sea-Tac Airport to Hangzhou Xiaoshan Intl. Airport?

> There are no direct flights, so you'll have to make at least one stop between Seattle - Tacoma Intl. Airport (SEA) and Hangzhou Xiaoshan Intl. Airport. Take advantage of the layover time to stretch your legs and grab a coffee.

### Are Sea-Tac Airport to Xiaoshan Intl. Airport (HGH) flight tickets cheaper when they're purchased at the last minute?

> Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to Hangzhou Xiaoshan Intl. Airport last minute could save you some serious cash. However, it could end up costing you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

## Explore a world of travel with Expedia

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\*Available to Expedia members.