What airlines fly to Seattle?

Alaska Airlines, American Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Springfield, Illinois according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Springfield Capital to Seattle/Tacoma Intl?

American Airlines is the most popular carrier operating from Springfield Capital to Seattle/Tacoma Intl

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?

As of March 2026, there is 1 operator available to choose from 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.

$380 Cheap Flights from Springfield to Seattle in 2026

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

Prices are currently high for flights on this route. Typical prices usually range from $510 to $293. The lowest price recently found on this route was $591.

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Find the cheapest flights from Springfield, Illinois to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:38 pm - 11:50 pm

SPI

SEA

7h 12m

1 stop

3:10 pm - 11:04 pm

SEA

SPI

5h 54m

1 stop

$591American Airlines

Sat, Aug 15 - Sun, Aug 23

6:38 pm - 11:50 pm

SPI

SEA

7h 12m

1 stop

5:05 am - 6:08 pm

SEA

SPI

11h 03m

2 stops

$596American Airlines

Sat, Aug 15 - Sun, Aug 23

5:45 am - 3:51 pm

SPI

SEA

12h 06m

2 stops

3:17 pm - 11:38 pm

SEA

SPI

6h 21m

1 stop

$598American Airlines

Sat, Apr 25 - Wed, Apr 29

2:49 pm - 12:44 am

SPI

SEA

11h 55m

2 stops

11:55 pm - 2:19 pm

SEA

SPI

12h 24m

2 stops

$603American Airlines

Sat, Apr 25 - Wed, Apr 29

2:49 pm - 10:38 pm

SPI

SEA

9h 49m

1 stop

3:17 pm - 11:38 pm

SEA

SPI

6h 21m

1 stop

$615American Airlines

Thu, Apr 23 - Tue, Apr 28

2:49 pm - 10:38 pm

SPI

SEA

9h 49m

1 stop

10:00 am - 11:38 pm

SEA

SPI

11h 38m

2 stops

$620American Airlines

Thu, Apr 23 - Tue, Apr 28

2:49 pm - 12:44 am

SPI

SEA

11h 55m

2 stops

11:41 am - 11:38 pm

SEA

SPI

9h 57m

2 stops

$625American Airlines

Fri, Apr 24 - Sat, Apr 25

5:45 am - 3:51 pm

SPI

SEA

12h 06m

2 stops

10:29 pm - 2:19 pm

SEA

SPI

13h 50m

2 stops

$626American Airlines

Sat, Apr 25 - Mon, Apr 27

2:49 pm - 10:38 pm

SPI

SEA

9h 49m

1 stop

1:19 pm - 11:38 pm

SEA

SPI

8h 19m

1 stop

$630American Airlines

Tue, Apr 21 - Sat, Apr 25

5:45 am - 12:29 pm

SPI

SEA

8h 44m

1 stop

10:25 am - 11:38 pm

SEA

SPI

11h 13m

2 stops

$635American Airlines

Tue, Apr 21 - Sat, Apr 25

American Airlines flights from Springfield, Illinois to Seattle

Our best American Airlines deals on Springfield, Illinois to Seattle flight tickets

American Airlines

Aug 15

SPI6:38 pmSpringfield Capital

7h 12m

1 stop

SEA11:50 pmSeattle/Tacoma Intl

Aug 23

SEA3:10 pmSeattle/Tacoma Intl

5h 54m

1 stop

SPI11:04 pmSpringfield Capital

$591

American Airlines

Aug 15

SPI6:38 pmSpringfield Capital

7h 12m

1 stop

SEA11:50 pmSeattle/Tacoma Intl

Aug 23

SEA5:05 amSeattle/Tacoma Intl

11h 03m

2 stops

SPI6:08 pmSpringfield Capital

$596

American Airlines

Apr 25

SPI5:45 amSpringfield Capital

12h 06m

2 stops

SEA3:51 pmSeattle/Tacoma Intl

Apr 29

SEA3:17 pmSeattle/Tacoma Intl

6h 21m

1 stop

SPI11:38 pmSpringfield Capital

$598

momondo Fare Finder

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

Cheapest round-trip

Quickest round-trip

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 8/15

6:38 pm-11:50 pm

1 stop7h 12m

Seattle/Tacoma Intl

Sun 8/23

3:10 pm-11:04 pm

1 stop5h 54m

$591

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 8/15

6:38 pm-11:50 pm

1 stop7h 12m

Seattle/Tacoma Intl

Sun 8/23

5:05 am-6:08 pm

2 stops11h 03m

$596

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 4/25

5:45 am-3:51 pm

2 stops12h 06m

Seattle/Tacoma Intl

Wed 4/29

3:17 pm-11:38 pm

1 stop6h 21m

$598

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 4/25

2:49 pm-12:44 am

2 stops11h 55m

Seattle/Tacoma Intl

Wed 4/29

11:55 pm-2:19 pm

2 stops12h 24m

$603

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 4/23

2:49 pm-10:38 pm

1 stop9h 49m

Seattle/Tacoma Intl

Tue 4/28

3:17 pm-11:38 pm

1 stop6h 21m

$615

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Thu 4/23

2:49 pm-10:38 pm

1 stop9h 49m

Seattle/Tacoma Intl

Tue 4/28

10:00 am-11:38 pm

2 stops11h 38m

$620

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Fri 4/24

2:49 pm-12:44 am

2 stops11h 55m

Seattle/Tacoma Intl

Sat 4/25

11:41 am-11:38 pm

2 stops9h 57m

$625

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Sat 4/25

5:45 am-3:51 pm

2 stops12h 06m

Seattle/Tacoma Intl

Mon 4/27

10:29 pm-2:19 pm

2 stops13h 50m

$626

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Tue 4/21

2:49 pm-10:38 pm

1 stop9h 49m

Seattle/Tacoma Intl

Sat 4/25

1:19 pm-11:38 pm

1 stop8h 19m

$630

SpringfieldSeattle

SPI - SEA

SPISEA

Springfield Capital

Tue 4/21

5:45 am-12:29 pm

1 stop8h 44m

Seattle/Tacoma Intl

Sat 4/25

10:25 am-11:38 pm

2 stops11h 13m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

Prices

Airlines

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

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

Fastest flight time	7h 12m
Direct flights	None

The fastest flight from Springfield, Illinois to Seattle takes 7h 12m

There are no direct flights from Springfield, Illinois to Seattle. There are no popular flight routes from Springfield, Illinois to Seattle.

Search flight deals

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 7h 12m.
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?
As of March 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Springfield, Illinois to Seattle is American Airlines (100% of total bookings).

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 Airlines	PriceFrom $234	Free Cancellation	Rating 7.1 11,494 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Lakewood

Cle Elum

Tukwila

Federal Way

Centralia

Fife

Westport

Kirkland

Tumwater

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.