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St. Louis

$49+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — STL
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheapflights Tip: The best prices from Saint Paul to Lambert-St Louis are usually found in August or September, 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

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 January 28, 2026.

This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:45 am
MSP
-
STL
Nonstop1h 50m
Southwest
Tue 3/38:20 pm
STL
-
MSP
Nonstop1h 30m
Southwest
Deal found 1/27$97
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:45 am
MSP
-
STL
Nonstop1h 50m
Southwest
Wed 3/256:10 am
STL
-
MSP
2 stops10h 50m
Southwest
Deal found 1/27$112
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:30 pm
MSP
-
STL
Nonstop1h 31m
Multiple Airlines
Sat 2/282:51 pm
STL
-
MSP
1 stop18h 14m
Multiple Airlines
Deal found 1/25$134
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:20 pm
MSP
-
STL
1 stop5h 15m
Southwest
Wed 3/48:20 pm
STL
-
MSP
Nonstop1h 30m
Southwest
Deal found 1/27$144
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:15 am
MSP
-
STL
1 stop6h 41m
Frontier
Sat 2/282:51 pm
STL
-
MSP
1 stop18h 14m
Frontier
Deal found 1/25$150
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/2410:40 am
MSP
-
STL
1 stop29h 13m
Frontier
Sat 2/282:51 pm
STL
-
MSP
1 stop18h 14m
Frontier
Deal found 1/25$154
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/77:15 pm
MSP
-
STL
Nonstop1h 30m
Multiple Airlines
Mon 3/98:12 pm
STL
-
MSP
1 stop21h 14m
Multiple Airlines
Deal found 1/26$169
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:51 pm
MSP
-
STL
Nonstop1h 32m
Delta
Mon 3/96:29 am
STL
-
MSP
Nonstop1h 38m
Delta
Deal found 1/27$171

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

December

Cheapest in

August

Average price

$321
Provider with most accurate pricing for Minneapolis St Paul-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Minneapolis St Paul-Lambert-St Louis flights.
Search Deals
From Saint Paul to Lambert-St Louis
Search Deals
One-way flight from Saint Paul to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 28, 2026.
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

Wed 3/4

7:45 am-9:35 am

Nonstop1h 50m

Lambert-St Louis

Wed 3/25

9:05 pm-10:35 pm

Nonstop1h 30m

$168

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 4/1

10:05 am-11:48 am

Nonstop1h 43m

Lambert-St Louis

Sat 4/4

5:29 pm-7:08 pm

Nonstop1h 39m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 3/7

9:51 pm-11:23 pm

Nonstop1h 32m

Lambert-St Louis

Mon 3/9

6:29 am-8:07 am

Nonstop1h 38m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Thu 4/30

10:00 am-11:32 am

Nonstop1h 32m

Lambert-St Louis

Mon 5/4

6:20 am-7:55 am

Nonstop1h 35m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Mon 3/30

9:50 pm-11:25 pm

Nonstop1h 35m

Lambert-St Louis

Tue 4/7

6:29 am-8:07 am

Nonstop1h 38m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 4/1

12:45 pm-2:24 pm

Nonstop1h 39m

Lambert-St Louis

Tue 4/7

5:25 pm-7:03 pm

Nonstop1h 38m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 2/24

1:09 pm-2:54 pm

Nonstop1h 45m

Lambert-St Louis

Sat 2/28

6:10 am-7:46 am

Nonstop1h 36m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 3/28

9:50 pm-11:25 pm

Nonstop1h 35m

Lambert-St Louis

Wed 4/1

6:29 am-8:07 am

Nonstop1h 38m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 3/11

10:05 am-11:48 am

Nonstop1h 43m

Lambert-St Louis

Wed 3/18

6:29 am-8:07 am

Nonstop1h 38m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Thu 2/19

9:51 pm-11:23 pm

Nonstop1h 32m

Lambert-St Louis

Mon 2/23

5:29 pm-7:12 pm

Nonstop1h 43m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 22 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 January 23, 2026.

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, May is the cheapest month in which you can book a flight from Saint Paul to St. Louis (average of $59). Flying from Saint Paul to St. Louis in December is currently the most expensive (average of $219). 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 January 28, 2026.

When flying from Saint Paul to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the morning.

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 January 24, 2026.

Travelers seeking maximum savings on their Saint Paul to St. Louis flight should consider departing on Thursday at noon 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 January 28, 2026.

The most flights from SA1 to STL are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 January 28, 2026.
Read reviews from past customers who have flown Southwest, Delta, and Sun Country Air 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
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,123 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.9
Okay
343 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 10 daily inbound flights from Saint Paul from 5 different airlines.

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

    Flights from Saint Paul to Lambert-St Louis have been viewed 32 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 43m. Southwest provides one of the quickest options available for as low as $171. There are 448 mi between Saint Paul and St. Louis. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Saint Paul to St. Louis one-way?

    One-way options have recently been found by users for as low as $58 on Sun Country Air. Other airlines that offer cheap prices include Frontier from $77 and American Airlines from $107 one-way.

  • 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: Southwest (91%), Endeavor Airlines (85%), WestJet (82%).

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

    Looking at all options, your cheapest flight can be booked for $124. While the most popular route (Minneapolis St Paul - Lambert-St Louis) can be booked for $97 on average, our data indicates $381 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, May is the cheapest month in which you can book a flight from Saint Paul to St. Louis (average of $59). Flying from Saint Paul to St. Louis in December is currently the most expensive (average of $219). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Saint Paul to St. Louis

Discover the top 5 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$59Average$118FlexibilityNo cancel feeOn-time83%
FrontierCheapest$90Average$151FlexibilityNo cancel feeOn-time62%
DeltaCheapest$133Average$304FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$198Average$282FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$276Average$388FlexibilityNo cancel feeOn-time71%

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