$327 Cheap Flights from Springfield (SPI) to Seattle (SEA)

View $327 flight on Wed, Aug 5, 2026Opens in a new window

Popular airlines from Springfield, IL (SPI-Abraham Lincoln Capital) to Seattle

Cheap Flights from Springfield to Seattle (SPI-SEA)

Prices were available within the past 7 days and start at $327 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $254 found 4 days ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $259 found 4 days ago
American Airlines
Tue, Jan 13 - Sun, Jan 25
SPI
Springfield
SEA
Seattle
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Sun, Jan 25, priced at $339 found 4 days ago
American Airlines
Tue, Jan 13 - Wed, Jan 21
SPI
Springfield
SEA
Seattle
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Wed, Jan 21, priced at $344 found 3 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 19
SPI
Springfield
SEA
Seattle
$349 Roundtrip, found 3 days ago
$349
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Springfield to Seattle, returning Mon, Jan 19, priced at $349 found 3 days ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $349 found 4 days ago
American Airlines
Fri, Jan 16 - Mon, Jan 19
SPI
Springfield
SEA
Seattle
$354 Roundtrip, found 3 days ago
$354
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Springfield to Seattle, returning Mon, Jan 19, priced at $354 found 3 days ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$359 Roundtrip, found 4 days ago
$359
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $359 found 4 days ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$395 Roundtrip, found 4 days ago
$395
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $395 found 4 days ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
SPI
Springfield
SEA
Seattle
$400 Roundtrip, found 4 days ago
$400
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 13 from Springfield to Seattle, returning Tue, Jan 27, priced at $400 found 4 days ago

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 $531
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $531

Frequently asked questions

How much does a flight from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $327 or cheap return flight from $254 from Abraham Lincoln Capital Airport (SPI) 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 Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SPI to SEA is January, when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Abraham Lincoln Capital Airport (SPI) 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 find out which carrier offers the cheapest SPI to SEA flight.
How many flights per day from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA)?
Nonstop flights from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SPI to SEA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be 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 Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from SPI to SEA are generally more expensive. For the best rates, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a SPI to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a SPI to SEA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Abraham Lincoln Capital Airport (SPI) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can cancel or modify your SPI to SEA flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Abraham Lincoln Capital
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
$254
Distance
1699 mi

Book with confidence

Springfield to Seattle Flights

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

 

The best time to book a flight from Springfield to Seattle

Sunday is one of the best days to book for cheap flights from Springfield 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 Springfield 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 Springfield to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $327 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 Springfield 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 Springfield 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.

 

Springfield to Seattle Flights

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*Available to One Key members.