$634 Cheap Flights from Split (SPU) to Seattle (SEA)

View $634 flight on Tue, Sep 16, 2025Opens 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 $634 for one-way flights and $920 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Sun, Sep 7 - Thu, Sep 11
SPU
Split
SEA
Seattle
$920 Roundtrip, found 3 days ago
$920
Roundtrip
found 3 days ago
Select Condor flight, departing Sun, Sep 7 from Split to Seattle, returning Thu, Sep 11, priced at $920 found 3 days ago
Condor
Sun, Sep 7 - Thu, Sep 11
SPU
Split
SEA
Seattle
$930 Roundtrip, found 3 days ago
$930
Roundtrip
found 3 days ago
Select Condor flight, departing Sun, Sep 7 from Split to Seattle, returning Thu, Sep 11, priced at $930 found 3 days ago
Condor
Fri, Jul 18 - Wed, Jul 23
SPU
Split
SEA
Seattle
$940 Roundtrip, found 1 day ago
$940
Roundtrip
found 1 day ago
Select Condor flight, departing Fri, Jul 18 from Split to Seattle, returning Wed, Jul 23, priced at $940 found 1 day ago
Croatia Airlines
Sun, Sep 7 - Thu, Sep 11
SPU
Split
SEA
Seattle
$950 Roundtrip, found 3 days ago
$950
Roundtrip
found 3 days ago
Select Croatia Airlines flight, departing Sun, Sep 7 from Split to Seattle, returning Thu, Sep 11, priced at $950 found 3 days ago
Condor
Fri, Jul 18 - Wed, Jul 23
SPU
Split
SEA
Seattle
$960 Roundtrip, found 1 day ago
$960
Roundtrip
found 1 day ago
Select Condor flight, departing Fri, Jul 18 from Split to Seattle, returning Wed, Jul 23, priced at $960 found 1 day ago
Croatia Airlines
Sun, Sep 7 - Thu, Sep 11
SPU
Split
SEA
Seattle
$970 Roundtrip, found 3 days ago
$970
Roundtrip
found 3 days ago
Select Croatia Airlines flight, departing Sun, Sep 7 from Split to Seattle, returning Thu, Sep 11, priced at $970 found 3 days ago
Turkish Airlines
Fri, Jul 18 - Thu, Jul 24
SPU
Split
SEA
Seattle
$974 Roundtrip, found 3 days ago
$974
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Jul 18 from Split to Seattle, returning Thu, Jul 24, priced at $974 found 3 days ago
Turkish Airlines
Fri, Aug 15 - Sat, Aug 16
SPU
Split
SEA
Seattle
$976 Roundtrip, found 2 days ago
$976
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Fri, Aug 15 from Split to Seattle, returning Sat, Aug 16, priced at $976 found 2 days ago
Lufthansa
Thu, Oct 2 - Sat, Oct 18
SPU
Split
SEA
Seattle
$1,031 Roundtrip, found 6 days ago
$1,031
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Oct 2 from Split to Seattle, returning Sat, Oct 18, priced at $1,031 found 6 days ago
Delta
Thu, Oct 2 - Sat, Oct 18
SPU
Split
SEA
Seattle
$1,062 Roundtrip, found 6 days ago
$1,062
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 2 from Split to Seattle, returning Sat, Oct 18, priced at $1,062 found 6 days ago

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

September is typically the cheapest month to fly

From $710 - $1,243 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $940
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $940
Flights from Split (SPU) to Seattle (SEA)
Origin airport
Split
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Austrian Airlines, British Airways, Iberia, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$920
Distance
5663 mi

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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $634 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.

 

Frequently asked questions

How much does a flight from Split Airport (SPU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Discover the latest flight deals from SPU to SEA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SPU to SEA?
The cheapest flights from SPU to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SPU to SEA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SPU to SEA. Sort your results by "Price (lowest to highest)" to snap up a great 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.

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*Available to One Key members.