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$69+ Cheap flights from Saint Paul, MN to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Saint Paul to Lambert-St Louis are usually found in September or June, booked 45 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Saint Paul to St. Louis

Keep the following information in mind while searching for Saint Paul to St. Louis flight deals. Data was last updated September 11, 2025.

Round-trip from

$137
(Cheapflightsfares)

One-way from

$69
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$253
From Saint Paul to Lambert-St Louis
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One-way flight from Saint Paul to Lambert-St Louis
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Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Saint Paul to St. Louis

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

This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:00 amMSP - STL
Nonstop1h 29mSun Country Air
Sun 10/510:14 amSTL - MSP
Nonstop1h 34mSun Country Air
Deal found 9/10$137
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:50 amMSP - STL
1 stop25h 17mFrontier
Sat 11/157:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/10$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amMSP - STL
1 stop22h 52mFrontier
Sun 11/27:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/10$141
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:50 amMSP - STL
1 stop25h 17mFrontier
Tue 11/117:45 pmSTL - MSP
1 stop28h 29mFrontier
Deal found 9/9$145
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:00 amMSP - STL
1 stop23h 07mFrontier
Wed 10/157:52 pmSTL - MSP
1 stop13h 13mFrontier
Deal found 9/9$146
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:05 amMSP - STL
1 stop23h 02mFrontier
Sun 11/167:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/11$148
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:00 amMSP - STL
Nonstop1h 29mMultiple Airlines
Sun 10/510:39 amSTL - MSP
1 stop9h 57mMultiple Airlines
Deal found 9/10$152
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:40 amMSP - STL
1 stop5h 24mFrontier
Sun 10/1210:17 amSTL - MSP
1 stop10h 37mFrontier
Deal found 9/9$154
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:54 amMSP - STL
Nonstop1h 33mSun Country Air
Sun 9/217:00 amSTL - MSP
Nonstop1h 38mSun Country Air
Deal found 9/9$157
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:15 amMSP - STL
1 stop22h 52mFrontier
Sat 11/87:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/9$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint Paul 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 Saint Paul to St. Louis that are best for you.

Fly from

Saint Paul

Fly to

St. Louis

Route

Depart

Return

Price

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Fri 11/7

10:15 am-9:07 am

1 stop22h 52m

Lambert-St Louis

Sun 11/9

12:10 pm-11:31 am

1 stop23h 21m

$163

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 10/11

7:10 am-8:51 am

Nonstop1h 41m

Lambert-St Louis

Sat 10/11

4:45 pm-6:23 pm

Nonstop1h 38m

$167

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 11/5

6:10 am-1:22 pm

1 stop7h 12m

Lambert-St Louis

Tue 11/11

9:04 am-10:47 am

Nonstop1h 43m

$185

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 10/7

9:02 am-1:22 pm

1 stop4h 20m

Lambert-St Louis

Sat 10/11

6:00 am-7:34 am

Nonstop1h 34m

$186

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 10/21

7:00 am-4:30 pm

2 stops9h 30m

Lambert-St Louis

Wed 10/22

10:15 am-11:45 am

Nonstop1h 30m

$190

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 10/8

6:10 am-1:22 pm

1 stop7h 12m

Lambert-St Louis

Wed 10/15

12:14 pm-1:50 pm

Nonstop1h 36m

$190

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 10/11

9:35 pm-11:07 pm

Nonstop1h 32m

Lambert-St Louis

Fri 10/17

6:00 am-7:34 am

Nonstop1h 34m

$190

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 10/8

6:10 am-1:22 pm

1 stop7h 12m

Lambert-St Louis

Tue 10/14

5:31 pm-7:07 pm

Nonstop1h 36m

$190

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Thu 10/23

9:35 pm-11:07 pm

Nonstop1h 32m

Lambert-St Louis

Tue 10/28

12:14 pm-1:50 pm

Nonstop1h 36m

$190

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Fri 10/10

9:35 pm-11:07 pm

Nonstop1h 32m

Lambert-St Louis

Tue 10/14

3:30 pm-5:06 pm

Nonstop1h 36m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 24 results
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Best time to book a flight from Saint Paul to St. Louis

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

Cheapflights Insights

Everything you need to know about your flight from Saint Paul to St. Louis

How far ahead should I book a flight from Saint Paul to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Saint Paul to St. Louis. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Saint Paul to St. Louis, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Saint Paul to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Saint Paul to St. Louis (average of $311). Flying from Saint Paul 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.

What is the cheapest time of day to fly from SA1 to STL?

Find hourly flight availability from Saint Paul to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Saint Paul 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.

What is the cheapest day to fly from Saint Paul to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Saint Paul to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Saint Paul to St. Louis flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Saint Paul to St. Louis

Explore weekly flight availability from Saint Paul to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from SA1 to STL are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Saint Paul to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
330 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Saint Paul to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Saint Paul?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Saint Paul. Booking flights from Saint Paul to Lambert-St Louis (STL) should be relatively easy as there are 13 daily inbound flights from Saint Paul from 6 different airlines.

  • How popular is this Saint Paul to St. Louis flight route?

    Flights from Saint Paul to Lambert-St Louis have been viewed 41 times in the past calendar month.

  • How long is the flight from Saint Paul to St. Louis?

    A quick flight from Saint Paul to St. Louis can take about 1h 41m. Frontier provides one of the quickest options available for as low as $167. There are 448 mi between Saint Paul and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Saint Paul to St. Louis?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Saint Paul to St. Louis on time: SkyWest Airlines (85%), Virgin Atlantic (82%), KLM (81%).

  • What are the cheapest flights from Saint Paul to St. Louis?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Minneapolis St Paul - Lambert-St Louis) can be booked for $137 on average, our data indicates $255 when flying from Saint Paul to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint Paul 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 Saint Paul to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Saint Paul to St. Louis (average of $311). Flying from Saint Paul 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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Top 6 airlines flying from Saint Paul to St. Louis

Discover the top 6 airlines that operate flights from Saint Paul to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$59Average$118FlexibilityNo cancel feeOn-time83%
FrontierCheapest$86Average$143FlexibilityNo cancel feeOn-time62%
DeltaCheapest$167Average$312FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$195Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$209Average$318FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$240Average$352FlexibilityNo cancel feeOn-time71%

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