$587 Cheap Flights from Split (SPU) to Seattle (SEA)

View $587 flight on Tue, May 5, 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 $587 for one-way flights and $980 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Tue, Jun 30 - Sat, Jul 4
SPU
Split
SEA
Seattle
$980 Roundtrip, found 2 days ago
$980
Roundtrip
found 2 days ago
Select Condor flight, departing Tue, Jun 30 from Split to Seattle, returning Sat, Jul 4, priced at $980 found 2 days ago
Discover Airlines
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,036 Roundtrip, found 16 hours ago
$1,036
Roundtrip
found 16 hours ago
Select Discover Airlines flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,036 found 16 hours ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,036 Roundtrip, found 16 hours ago
$1,036
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,036 found 16 hours ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,037 Roundtrip, found 16 hours ago
$1,037
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,037 found 16 hours ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,049 Roundtrip, found 16 hours ago
$1,049
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,049 found 16 hours ago
Lufthansa
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,050 Roundtrip, found 16 hours ago
$1,050
Roundtrip
found 16 hours ago
Select Lufthansa flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,050 found 16 hours ago
LOT-Polish Airlines
Mon, Apr 13 - Tue, Apr 21
SPU
Split
SEA
Seattle
$1,055 Roundtrip, found 2 days ago
$1,055
Roundtrip
found 2 days ago
Select LOT-Polish Airlines flight, departing Mon, Apr 13 from Split to Seattle, returning Tue, Apr 21, priced at $1,055 found 2 days ago
Swiss International Air Lines
Thu, Apr 9 - Thu, Apr 16
SPU
Split
SEA
Seattle
$1,056 Roundtrip, found 4 days ago
$1,056
Roundtrip
found 4 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 4 days ago
Lufthansa
Wed, May 6 - Sun, Jun 14
SPU
Split
SEA
Seattle
$1,058 Roundtrip, found 8 hours ago
$1,058
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Wed, May 6 from Split to Seattle, returning Sun, Jun 14, priced at $1,058 found 8 hours ago
Turkish Airlines
Fri, May 8 - Fri, Jun 5
SPU
Split
SEA
Seattle
$1,069 Roundtrip, found 16 hours ago
$1,069
Roundtrip
found 16 hours ago
Select Turkish Airlines flight, departing Fri, May 8 from Split to Seattle, returning Fri, Jun 5, priced at $1,069 found 16 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 (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $587 and cheap return flights from $980 Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $998 and $9848. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from SPU to SEA is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter SPU to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Croatia Airlines, Lufthansa and Iberia are just some of the carriers that fly from Split (SPU) to Seattle, WA (SEA). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Split (SPU) to Seattle - Tacoma International (SEA) typically departs at around 6:15 AM, operated by Croatia Airlines, Hop!, and Delta. This seasonal service is active in September, allowing you to start your travels early and make the most of your day in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flights from SPU to SEA with one stop typically take around 14 hours 20 minutes, covering approximately 5,664 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Business class seats are offered on the SPU to SEA route. Airlines that offer business class service on this route include:

  • Croatia Airlines
  • KLM
  • Austrian Airlines
  • Finnair
  • British Airways
  • Edelweiss Air
  • Lufthansa
  • Air France
  • Iberia
  • Condor

How do I earn miles on a Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from SPU (SPU)?
From SPU (SPU), you can fly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), ZAG (ZAG) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays 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 (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Split (SPU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Split
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$980
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 June. 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 $587 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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