$544+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — STL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Springfield to St. Louis 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 Springfield to St. Louis
Cheapest
Best
Last-minute
Cheapest flights from Springfield to St. LouisExplore 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 10, 2026.
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 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/76:02 am -
1 stop38h 55m
Wed 10/147:29 am -
1 stop7h 00m
Deal found 9/9![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/32:51 pm -
1 stop9h 36m
Sat 10/107:29 am -
1 stop16h 40m
Deal found 9/5![American Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/226:00 am -
1 stop34h 48m
Sat 9/261:49 pm -
1 stop10h 18m
Deal found 9/7![American Airlines logo]()
$919
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 9/206:00 am -
1 stop38h 44m
Thu 9/245:18 pm -
1 stop45h 02m
Deal found 9/5![American Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 9/132:51 pm -
1 stop9h 36m
Mon 9/145:00 am -
1 stop33h 20m
Deal found 9/6![American Airlines logo]()
$1,436
Best flights from Springfield to St. LouisDiscover carefully curated flight deals from Springfield to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Springfield to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/76:02 am -
1 stop38h 55m
Wed 10/147:29 am -
1 stop7h 00m
Deal found 9/9![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/32:51 pm -
1 stop9h 36m
Sat 10/107:29 am -
1 stop16h 40m
Deal found 9/5![American Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/232:51 pm -
1 stop9h 36m
Sun 9/275:18 pm -
1 stop45h 02m
Deal found 9/8![American Airlines logo]()
$919
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/226:00 am -
1 stop34h 48m
Sat 9/261:49 pm -
1 stop10h 18m
Deal found 9/7![American Airlines logo]()
$919
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/246:00 am -
1 stop18h 27m
Sat 9/267:27 am -
1 stop6h 53m
Deal found 9/9![American Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 9/206:00 am -
1 stop38h 44m
Thu 9/245:18 pm -
1 stop45h 02m
Deal found 9/5![American Airlines logo]()
$985
Last-minute flights from Springfield to St. LouisDiscover last-minute flight deals from Springfield to St. Louis. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Springfield to St. Louis. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 9/132:51 pm -
1 stop9h 36m
Mon 9/145:00 am -
1 stop33h 20m
Deal found 9/6![American Airlines logo]()
$1,436
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 9/206:00 am -
1 stop38h 44m
Thu 9/245:18 pm -
1 stop45h 02m
Deal found 9/5![American Airlines logo]()
$985
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/226:00 am -
1 stop34h 48m
Sat 9/261:49 pm -
1 stop10h 18m
Deal found 9/7![American Airlines logo]()
$919
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/32:51 pm -
1 stop9h 36m
Sat 10/107:29 am -
1 stop16h 40m
Deal found 9/5![American Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/76:02 am -
1 stop38h 55m
Wed 10/147:29 am -
1 stop7h 00m
Deal found 9/9![American Airlines logo]()
$544
Find 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (American Airlines) |
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Springfield to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Wed 10/7
6:02 am-8:57 pm
1 stop38h 55m
Lambert-St Louis
Wed 10/14
7:29 am-2:29 pm
1 stop7h 00m
$544
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Sat 10/3
2:51 pm-12:27 am
1 stop9h 36m
Lambert-St Louis
Sat 10/10
7:29 am-12:09 am
1 stop16h 40m
$696
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Wed 9/23
2:51 pm-12:27 am
1 stop9h 36m
Lambert-St Louis
Sun 9/27
5:18 pm-2:20 pm
1 stop45h 02m
$919
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Tue 9/22
6:00 am-4:48 pm
1 stop34h 48m
Lambert-St Louis
Sat 9/26
1:49 pm-12:07 am
1 stop10h 18m
$919
Quickest round-trip
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Thu 9/24
6:00 am-12:27 am
1 stop18h 27m
Lambert-St Louis
Sat 9/26
7:27 am-2:20 pm
1 stop6h 53m
$985
SpringfieldSt. Louis
SPI Springfield Capital - STL Lambert-St Louis
SPISTL
Springfield Capital
Sun 9/20
6:00 am-8:44 pm
1 stop38h 44m
Lambert-St Louis
Thu 9/24
5:18 pm-2:20 pm
1 stop45h 02m
$985
Sorted by cheapest first
Compare providers for flights from Springfield to St. Louis
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 Springfield to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Springfield, Illinois-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Springfield, Illinois-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Springfield, Illinois-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Springfield, Illinois-St. Louis 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 Springfield, Illinois-St. Louis 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 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.
SPI-STL
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Springfield
Popular flights
St. Louis flight routes