Cheap Flights from Sui (SUL) to Seattle (SEA)

Popular airlines from Sui (SUL) to Seattle

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Frequently asked questions

How much does a flight from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight or cheap return flight from Sui (SUL) 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 Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between SUL and SEA. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SUL to SEA. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily nonstop flights available from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SUL to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour 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 Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from SUL to SEA just before your journey is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a SUL to SEA flight and hotel package?
You'll typically save money by securing a SUL to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Sui (SUL) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your SUL 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 type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sui
Destination airport
Seattle - Tacoma Intl.
Distance
7131 mi

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Sui to Seattle Flights

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

 

The best time to book a flight from Sui to Seattle

Sunday is one of the best days to book for cheap flights from Sui 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 Sui 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 Sui to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Sui 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 Sui 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.

 

Sui to Seattle Flights

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*Available to One Key members.