$580 Cheap Flights from Split (SPU) to Seattle (SEA)

View $580 flight on Fri, May 22, 2026Opens in a new window

Popular airlines from Split Airport (SPU) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Split to Seattle (SPU-SEA)

Prices were available within the past 7 days and start at $580 for one-way flights and $863 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Jul 18 - Sun, Aug 9
SPU
Split
SEA
Seattle
$863 Roundtrip, found 1 day ago
$863
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, Jul 18 from Split to Seattle, returning Sun, Aug 9, priced at $863 found 1 day ago
Scandinavian Airlines
Sat, Jul 18 - Sun, Aug 9
SPU
Split
SEA
Seattle
$978 Roundtrip, found 1 day ago
$978
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, Jul 18 from Split to Seattle, returning Sun, Aug 9, priced at $978 found 1 day ago
Condor
Tue, Jun 30 - Sat, Jul 4
SPU
Split
SEA
Seattle
$980 Roundtrip, found 16 hours ago
$980
Roundtrip
found 16 hours ago
Select Condor flight, departing Tue, Jun 30 from Split to Seattle, returning Sat, Jul 4, priced at $980 found 16 hours ago
Delta
Wed, Sep 23 - Sun, Oct 4
SPU
Split
SEA
Seattle
$1,031 Roundtrip, found 6 days ago
$1,031
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep 23 from Split to Seattle, returning Sun, Oct 4, priced at $1,031 found 6 days ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,039 Roundtrip, found 14 hours ago
$1,039
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,039 found 14 hours ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,052 Roundtrip, found 14 hours ago
$1,052
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,052 found 14 hours ago
LOT-Polish Airlines
Mon, Apr 13 - Tue, Apr 21
SPU
Split
SEA
Seattle
$1,055 Roundtrip, found 12 hours ago
$1,055
Roundtrip
found 12 hours ago
Select LOT-Polish Airlines flight, departing Mon, Apr 13 from Split to Seattle, returning Tue, Apr 21, priced at $1,055 found 12 hours ago
Swiss International Air Lines
Thu, Apr 9 - Thu, Apr 16
SPU
Split
SEA
Seattle
$1,056 Roundtrip, found 3 days ago
$1,056
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, Apr 9 from Split to Seattle, returning Thu, Apr 16, priced at $1,056 found 3 days ago
Lufthansa
Wed, May 6 - Sun, Jun 14
SPU
Split
SEA
Seattle
$1,059 Roundtrip, found 15 hours ago
$1,059
Roundtrip
found 15 hours ago
Select Lufthansa flight, departing Wed, May 6 from Split to Seattle, returning Sun, Jun 14, priced at $1,059 found 15 hours ago
Turkish Airlines
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,072 Roundtrip, found 14 hours ago
$1,072
Roundtrip
found 14 hours ago
Select Turkish Airlines flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,072 found 14 hours ago

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Find the cheapest month to fly from Split (SPU) to Seattle (SEA)

September is typically the cheapest month to fly

From $720 - $1,145 per traveler.

Frequently asked questions

How much does a flight from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $580 or cheap return flight from $863 from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SPU to SEA is July, when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SPU to SEA. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to hop on a flight with a layover when traveling from Split Airport (SPU) 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 SPU to SEA?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from SPU to SEA just before your getaway is typically more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a SPU to SEA flight and hotel package?
Opting for a SPU to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you're able to reschedule or cancel your SPU to SEA flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Split
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, Austrian Airlines, British Airways, Condor, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$863
Distance
5663 mi

Book with confidence

Split to Seattle Flights

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

 

The best time to book a flight from Split to Seattle

Sunday is one of the best days to book for cheap flights from Split 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 Split 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 Split to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $580 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 Split 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 Split 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.

 

Split to Seattle Flights

*Flight schedules are subject to change.

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*Available to One Key members.