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St. Louis

$64+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — STL
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This Delta deal was found by Cheapflights users on 12/14. 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.
Tue 12/308:38 pmMSP - STL
Nonstop1h 38mDelta
Sun 1/46:05 amSTL - MSP
Nonstop1h 38mDelta
Deal found 12/14$332
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/247:10 amMSP - STL
1 stop25h 25mAmerican Airlines
Wed 1/75:04 pmSTL - MSP
1 stop6h 32mAmerican Airlines
Deal found 12/14$334
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/246:45 amMSP - STL
2 stops49h 27mFrontier
Wed 1/77:43 pmSTL - MSP
1 stop21h 18mFrontier
Deal found 12/14$350
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/306:13 amMSP - STL
1 stop7h 10mAmerican Airlines
Sun 1/45:00 amSTL - MSP
1 stop7h 58mAmerican Airlines
Deal found 12/14$352
This Southwest deal was found by Cheapflights users on 12/14. 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 12/243:50 pmMSP - STL
Nonstop1h 35mSouthwest
Wed 1/76:20 amSTL - MSP
1 stop7h 30mSouthwest
Deal found 12/14$357
This Southwest deal was found by Cheapflights users on 12/16. 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 12/305:15 amMSP - STL
Nonstop1h 50mSouthwest
Fri 1/25:15 pmSTL - MSP
1 stop6h 00mSouthwest
Deal found 12/16$391
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:49 pmMSP - STL
1 stop4h 54mUnited Airlines
Fri 1/25:02 pmSTL - MSP
1 stop5h 42mUnited Airlines
Deal found 12/16$401
This Trip.com deal was found by Cheapflights users on 12/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:38 pmMSP - STL
Nonstop1h 38mDelta
Tue 1/205:25 pmSTL - MSP
Nonstop1h 44mDelta
Deal found 12/13$441
This Trip.com deal was found by Cheapflights users on 12/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:07 pmMSP - STL
1 stop15h 07mFrontier
Sat 12/207:43 pmSTL - MSP
1 stop28h 19mFrontier
Deal found 12/13$450

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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$151
(Kiwi.com)

One-way from

$64
(Expedia)

Popular in

December

Cheapest in

August

Average price

$339
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. 10% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 16, 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

Wed 1/7

1:13 pm-3:00 pm

Nonstop1h 47m

Lambert-St Louis

Sat 1/10

3:40 pm-5:28 pm

Nonstop1h 48m

$152

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 1/14

6:20 am-1:55 pm

1 stop7h 35m

Lambert-St Louis

Wed 1/21

6:05 am-10:20 am

1 stop4h 15m

$153

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 2/28

9:51 pm-11:23 pm

Nonstop1h 32m

Lambert-St Louis

Mon 3/2

6:10 am-7:46 am

Nonstop1h 36m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Sat 1/31

1:07 pm-2:38 pm

Nonstop1h 31m

Lambert-St Louis

Sat 2/7

11:23 am-1:11 pm

Nonstop1h 48m

$171

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 2/25

6:20 am-12:20 pm

1 stop6h 00m

Lambert-St Louis

Thu 2/26

3:25 pm-11:40 pm

2 stops8h 15m

$177

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 2/4

6:20 am-1:55 pm

1 stop7h 35m

Lambert-St Louis

Thu 2/5

2:20 pm-10:20 pm

2 stops8h 00m

$177

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Thu 2/19

5:50 pm-9:45 pm

1 stop3h 55m

Lambert-St Louis

Mon 2/23

6:45 pm-10:20 pm

1 stop3h 35m

$191

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Thu 1/29

7:20 am-6:45 pm

2 stops11h 25m

Lambert-St Louis

Mon 2/2

2:15 pm-9:15 pm

2 stops7h 00m

$207

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 1/6

4:47 pm-11:12 pm

1 stop6h 25m

Lambert-St Louis

Wed 1/7

6:00 am-9:45 am

1 stop3h 45m

$219

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 2/10

7:45 am-9:35 am

Nonstop1h 50m

$67

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
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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 December 12, 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, 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 $239). 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 December 16, 2025.

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 32% versus a flight in the evening.

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 Thursday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 16, 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
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
8,010 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
United Airlines
7.4
Good
9,094 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
333 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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 6 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 36 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 47m. Delta provides one of the quickest options available for as low as $152. 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 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 $78 and United Airlines from $95 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: Air France (86%), Southwest (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 $98. While the most popular route (Minneapolis St Paul - Lambert-St Louis) can be booked for $153 on average, our data indicates $383 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 $239). 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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$59Average$118FlexibilityNo cancel feeOn-time83%
FrontierCheapest$104Average$191FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$198Average$287FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$241Average$291FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$408FlexibilityNo cancel feeOn-time71%

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