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.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from SPI to STL?

When flying from Springfield, Illinois to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$409+ Flights from Springfield, IL to St. Louis

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Cheap flight deals from Springfield to St. Louis

Round-trip from	$409 (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 July 29, 2025.

Tue 8/261:10 pmSPI - STL

1 stop31h 42mAmerican Airlines

Tue 9/28:01 pmSTL - SPI

1 stop20h 09mAmerican Airlines

Deal found 7/27

$409

Best flights from Springfield to St. Louis
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 July 29, 2025.

Tue 8/261:10 pmSPI - STL

1 stop31h 42mAmerican Airlines

Tue 9/28:01 pmSTL - SPI

1 stop20h 09mAmerican Airlines

Deal found 7/27

$409

Last-minute flights from Springfield to St. Louis
Discover last-minute flight deals from Springfield to St. Louis. Data last updated July 29, 2025 and is based on user searches.

Tue 8/261:10 pmSPI - STL

1 stop31h 42mAmerican Airlines

Tue 9/28:01 pmSTL - SPI

1 stop20h 09mAmerican Airlines

Deal found 7/27

$409

Cheapflights Fare Finder

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

Price

SpringfieldSt. Louis

SPI - STL

SPISTL

Springfield Capital

Tue 8/26

1:10 pm-8:52 pm

1 stop31h 42m

Lambert-St Louis

Tue 9/2

8:01 pm-4:10 pm

1 stop20h 09m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Reviews of airlines servicing St. Louis

See what other customers who have flown with American Airlines from Springfield to St. Louis 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

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

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.

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$409+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Springfield to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Springfield to St. Louis

Round-trip from

Find flight deals from Springfield to St. Louis

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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Springfield to St. Louis that are best for you.

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.

Reviews of airlines servicing St. Louis

See what other customers who have flown with American Airlines from Springfield to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

Traveling to a place near St. Louis?

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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 July 29, 2025.