$495 Cheap Flights from Sanya (SYX) to Seattle (SEA)

View $495 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Sanya (SYX-Phoenix Intl.) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Sanya to Seattle (SYX-SEA)

Prices were available within the past 7 days and start at $495 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $495 or cheap return flight from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA)?
is the cheapest month to fly from SYX to SEA. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SYX to SEA flight.
How many flights per day from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to take a flight with a layover when traveling from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SYX to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA)?
Book a flight from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from SYX to SEA are typically more expensive. To secure the lowest prices, start searching for flights well in advance. That being said, if your travel plans are flexible, you may land a cheap fare right before your journey.
Is it cheaper to book a SYX to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SYX to SEA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Phoenix Intl. Airport (SYX) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your SYX to SEA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Phoenix Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
6880 mi

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Sanya to Seattle Flights

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

 

The best time to book a flight from Sanya to Seattle

Sunday is one of the best days to book for cheap flights from Sanya 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 Sanya 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 Sanya to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $495 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 Sanya 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 Sanya 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.

 

Sanya to Seattle Flights

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*Available to One Key members.