HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Springfield

$515+ Cheap flights from Seattle to Springfield, IL (SEA - SPI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SPI
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Springfield with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Springfield

Cheapest flights from Seattle to Springfield
Explore the most affordable flight options available from Seattle to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:28 pm
SEA
-
SPI
1 stop6h 41m
American Airlines
Tue 8/256:11 am
SPI
-
SEA
1 stop8h 16m
American Airlines
Deal found 4/30$515
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:19 pm
SEA
-
SPI
1 stop8h 24m
American Airlines
Tue 6/96:00 am
SPI
-
SEA
1 stop9h 08m
American Airlines
Deal found 4/26$530
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:05 pm
SEA
-
SPI
1 stop7h 02m
American Airlines
Mon 6/222:39 pm
SPI
-
SEA
2 stops12h 20m
American Airlines
Deal found 4/30$542
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:19 pm
SEA
-
SPI
1 stop8h 24m
American Airlines
Wed 5/272:31 pm
SPI
-
SEA
1 stop8h 02m
American Airlines
Deal found 4/29$567
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:59 am
SEA
-
SPI
2 stops11h 10m
American Airlines
Sat 8/86:11 am
SPI
-
SEA
2 stops12h 30m
American Airlines
Deal found 4/30$628

Find flight deals from Seattle to Springfield

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Springfield (SPI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$515
(American Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Springfield Capital flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Springfield Capital flights.
Search Deals
From Seattle/Tacoma Intl to Springfield Capital
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Springfield that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Seattle to Springfield that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleSpringfield

SEA - SPI

SEASPI

Seattle/Tacoma Intl

Wed 8/5

3:28 pm-12:09 am

1 stop6h 41m

Springfield Capital

Sat 8/8

2:52 pm-8:52 pm

1 stop8h 00m

$530

SeattleSpringfield

SEA - SPI

SEASPI

Seattle/Tacoma Intl

Thu 6/18

3:05 pm-12:07 am

1 stop7h 02m

Springfield Capital

Mon 6/22

2:39 pm-12:59 am

2 stops12h 20m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Sorted by cheapest first

Compare providers for flights from Seattle to Springfield

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Springfield in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Springfield, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Springfield, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Springfield, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Springfield, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Springfield, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Springfield

Have a flexible travel schedule? Discover the best time to fly to Springfield from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Springfield

Get insights into the airlines that provide service to Springfield. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Springfield. Reviews last updated April 30, 2026.
See what other customers who have flown with American Airlines from Seattle to Springfield have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,681 reviews

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.1
Good
11,681 reviews
American Airlines
7.1
Good
11,681 reviews

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Springfield. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Springfield, Illinois?

    For as low as $520, American Airlines can have you in Springfield, Illinois from Seattle in 10h 44m. Airlines will cover a distance of 1698 mi.

  • What is the cheapest airline to fly from Seattle to Springfield, Illinois round-trip?

    Our cheapest airline available from Seattle to Springfield, Illinois is American Airlines. Our recent data shows that you can find tickets from as low as $228 on this airline.

  • Can I find deals for flights from Seattle to Springfield that include hotel bookings?

    Yes. In addition to deals on Seattle to Springfield flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Springfield?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Springfield.

  • Can I find deals for business class flights from Seattle to Springfield?

    Yes. Cheapflights offers flight deals from Seattle to Springfield by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Springfield?

Book flights to Springfield if you plan to visit one of these locations
Lincoln

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Seattle to Springfield

Discover the top airline that operate flights from Seattle to Springfield. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$506FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.