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Cheap flights from Springfield, Illinois to Seattle from $249

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Springfield, Illinois to Seattle departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Springfield, Illinois to Seattle

Cheap round-trip flights

American Airlines Logo
6:05 am - 1:46 pmSPI-SEA
9h 41m1 stop
American Airlines Logo
2:52 pm - 11:23 pmSEA-SPI
6h 31m1 stop
$249American Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
6:05 am - 1:46 pmSPI-SEA
9h 41m1 stop
American Airlines Logo
11:24 pm - 1:35 pmSEA-SPI
12h 11m2 stops
$254American Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
1:42 pm - 10:59 pmSPI-SEA
11h 17m2 stops
American Airlines Logo
11:24 pm - 1:35 pmSEA-SPI
12h 11m2 stops
$349American Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
1:42 pm - 8:46 pmSPI-SEA
9h 04m1 stop
American Airlines Logo
2:52 pm - 11:23 pmSEA-SPI
6h 31m1 stop
$379American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
1:42 pm - 8:46 pmSPI-SEA
9h 04m1 stop
American Airlines Logo
11:24 pm - 1:12 pmSEA-SPI
11h 48m2 stops
$384American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
1:14 pm - 8:09 pmSPI-SEA
8h 55m1 stop
American Airlines Logo
6:11 am - 5:59 pmSEA-SPI
9h 48m2 stops
$426American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
American Airlines Logo
6:05 am - 2:48 pmSPI-SEA
10h 43m2 stops
American Airlines Logo
11:24 pm - 1:35 pmSEA-SPI
12h 11m2 stops
$431American Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
1:14 pm - 8:09 pmSPI-SEA
8h 55m1 stop
American Airlines Logo
6:11 am - 5:59 pmSEA-SPI
9h 48m2 stops
$496American Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
American Airlines Logo
1:14 pm - 9:23 pmSPI-SEA
10h 09m2 stops
American Airlines Logo
6:11 am - 5:59 pmSEA-SPI
9h 48m2 stops
$501American Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
American Airlines Logo
1:14 pm - 9:58 pmSPI-SEA
10h 44m2 stops
American Airlines Logo
6:11 am - 5:59 pmSEA-SPI
9h 48m2 stops
$521American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5

American Airlines flights from Springfield, Illinois to Seattle

Our best American Airlines deals on Springfield, Illinois to Seattle flight tickets
American Airlines
Oct 17
SPI6:05 amSpringfield Capital
9h 41m
1 stop
SEA1:46 pmSeattle/Tacoma Intl
Oct 24
SEA2:52 pmSeattle/Tacoma Intl
6h 31m
1 stop
SPI11:23 pmSpringfield Capital
$249
Find similar
American Airlines
Oct 17
SPI6:05 amSpringfield Capital
9h 41m
1 stop
SEA1:46 pmSeattle/Tacoma Intl
Oct 24
SEA11:24 pmSeattle/Tacoma Intl
12h 11m
2 stops
SPI1:35 pmSpringfield Capital
$254
Find similar
American Airlines
Oct 17
SPI1:42 pmSpringfield Capital
11h 17m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
Oct 24
SEA11:24 pmSeattle/Tacoma Intl
12h 11m
2 stops
SPI1:35 pmSpringfield Capital
$349
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Springfield, Illinois to Seattle 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, momondo users made 832,500 searches. Data last updated September 10, 2025.
Use the filters below to find and compare flights from Springfield, Illinois to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Fri 10/17

6:05 am-1:46 pm

1 stop9h 41m

Seattle/Tacoma Intl

Fri 10/24

2:52 pm-11:23 pm

1 stop6h 31m

$249

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Fri 10/17

6:05 am-1:46 pm

1 stop9h 41m

Seattle/Tacoma Intl

Fri 10/24

11:24 pm-1:35 pm

2 stops12h 11m

$254

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Fri 10/17

1:42 pm-10:59 pm

2 stops11h 17m

Seattle/Tacoma Intl

Fri 10/24

11:24 pm-1:35 pm

2 stops12h 11m

$349

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 10/9

1:42 pm-8:46 pm

1 stop9h 04m

Seattle/Tacoma Intl

Sun 10/12

2:52 pm-11:23 pm

1 stop6h 31m

$379

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 10/9

1:42 pm-8:46 pm

1 stop9h 04m

Seattle/Tacoma Intl

Sun 10/12

11:24 pm-1:12 pm

2 stops11h 48m

$384

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 10/2

1:14 pm-8:09 pm

1 stop8h 55m

Seattle/Tacoma Intl

Sun 10/5

6:11 am-5:59 pm

2 stops9h 48m

$426

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Fri 10/17

6:05 am-2:48 pm

2 stops10h 43m

Seattle/Tacoma Intl

Fri 10/24

11:24 pm-1:35 pm

2 stops12h 11m

$431

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 9/27

1:14 pm-8:09 pm

1 stop8h 55m

Seattle/Tacoma Intl

Sun 9/28

6:11 am-5:59 pm

2 stops9h 48m

$496

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 9/27

1:14 pm-9:23 pm

2 stops10h 09m

Seattle/Tacoma Intl

Sun 9/28

6:11 am-5:59 pm

2 stops9h 48m

$501

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 10/2

1:14 pm-9:58 pm

2 stops10h 44m

Seattle/Tacoma Intl

Sun 10/5

6:11 am-5:59 pm

2 stops9h 48m

$521

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Springfield, Illinois to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Springfield, Illinois and Seattle?

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Springfield, Illinois is on a Sunday. momondo users have found tickets for Sunday departures for as low as $463. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Springfield, Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $561.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Springfield, Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $463 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $742. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Springfield, Illinois to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Springfield, Illinois to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Springfield, Illinois to Seattle (SPI to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Springfield, Illinois to Seattle

Direct flights

None
There are no direct flights from Springfield, Illinois to Seattle. There are no popular flight routes from Springfield, Illinois to Seattle.
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  • How far is Springfield Capital to Seattle/Tacoma Intl by plane?

    Springfield Capital and Seattle/Tacoma Intl are 1704.0 mi apart from one another. In terms of flight time, this usually takes a little over 8h 55m.

  • When did momondo last update prices for flights from Springfield Capital Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Springfield Capital Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Springfield Capital Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Springfield Capital Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Springfield Capital Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Springfield, Illinois to Seattle?

Best airlines flying from Springfield, Illinois to Seattle

Compare and see reviews for airlines that fly from Springfield, Illinois to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $291Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Federal Way
Kirkland
Lakewood
Tukwila
Centralia
Shoreline
Fife
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Springfield to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Springfield.

Can I find flights from Springfield to Seattle with flexible booking policies on momondo?

All flight searches from Springfield to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Springfield to Seattle?

momondo helps you find the best flight between Springfield and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Springfield to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Springfield to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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