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$453+ Cheap flights from Springfield, IL to St. Louis (SPI - STL)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Springfield to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) to St. Louis (STL). 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 September 11, 2025.

Round-trip from

$453
(American Airlines)
From Springfield Capital to Lambert-St Louis
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Find flight deals from Springfield to St. Louis

Cheapest flights from Springfield to St. Louis
Explore the most affordable flight options available from Springfield to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/86:05 amSPI - STL
1 stop14h 21mAmerican Airlines
Wed 10/156:00 amSTL - SPI
1 stop7h 12mAmerican Airlines
Deal found 9/10$453
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/36:31 pmSPI - STL
1 stop19h 00mAmerican Airlines
Sun 10/56:05 amSTL - SPI
1 stop41h 18mAmerican Airlines
Deal found 9/11$649
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/61:42 pmSPI - STL
1 stop18h 27mAmerican Airlines
Fri 10/108:05 pmSTL - SPI
1 stop27h 13mAmerican Airlines
Deal found 9/10$679
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/116:31 pmSPI - STL
1 stop38h 55mAmerican Airlines
Thu 9/188:03 pmSTL - SPI
1 stop40h 41mAmerican Airlines
Deal found 9/10$1,096
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/116:31 pmSPI - STL
1 stop19h 00mAmerican Airlines
Sat 9/136:10 amSTL - SPI
1 stop11h 50mAmerican Airlines
Deal found 9/11$1,152
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/116:31 pmSPI - STL
1 stop19h 00mAmerican Airlines
Sun 9/146:05 amSTL - SPI
1 stop6h 39mAmerican Airlines
Deal found 9/11$1,165
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/116:31 pmSPI - STL
1 stop5h 17mAmerican Airlines
Fri 9/126:10 amSTL - SPI
1 stop11h 50mAmerican Airlines
Deal found 9/11$1,364

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield to St. Louis 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 September 11, 2025.
Use the filters below to find and compare flights from Springfield to St. Louis that are best for you.

Fly from

Springfield

Fly to

St. Louis

Route

Depart

Return

Price

SpringfieldSt. Louis

SPI - STL

SPISTL

Springfield Capital

Wed 10/8

6:05 am-8:26 pm

1 stop14h 21m

Lambert-St Louis

Wed 10/15

6:00 am-1:12 pm

1 stop7h 12m

$453

SpringfieldSt. Louis

SPI - STL

SPISTL

Springfield Capital

Fri 10/3

6:31 pm-1:31 pm

1 stop19h 00m

Lambert-St Louis

Sun 10/5

6:05 am-11:23 pm

1 stop41h 18m

$649

SpringfieldSt. Louis

SPI - STL

SPISTL

Springfield Capital

Mon 10/6

1:42 pm-8:09 am

1 stop18h 27m

Lambert-St Louis

Fri 10/10

8:05 pm-11:18 pm

1 stop27h 13m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Springfield to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Springfield 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.

Related info for your journey

Find useful and relevant information for your journey from Springfield to St. Louis. 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 Springfield, Illinois to St. Louis?

    A quick flight from Springfield, Illinois to St. Louis can take about 14h 21m. American Airlines provides one of the quickest options available for as low as $453. Springfield, Illinois and St. Louis are separated by a distance of 84 mi.

  • Can I find deals for flights from Springfield to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Springfield to St. Louis?

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

  • Can I find deals for business class flights from Springfield to St. Louis?

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

  • What is the cheapest month to book a flight from Springfield, Illinois to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to St. Louis (average of $311). Flying from Springfield, Illinois to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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