HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Mobile

$227+ Cheap flights from St. Louis to Mobile (STL - MOB)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MOB
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Mobile 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 St. Louis to Mobile

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Mobile (MOB). 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 July 29, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$227
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$302
From Lambert-St Louis to Mobile
Search Deals
One-way flight from Lambert-St Louis to Mobile
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from St. Louis to Mobile

Cheapest flights from St. Louis to Mobile
Explore the most affordable flight options available from St. Louis to Mobile. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:18 amSTL - MOB
1 stop6h 45mAmerican Airlines
Mon 9/86:40 amMOB - STL
1 stop6h 32mAmerican Airlines
Deal found 7/27$249
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 8/139:17 amSTL - MOB
1 stop6h 39mDelta
Sun 8/176:00 amMOB - STL
1 stop3h 57mDelta
Deal found 7/29$259
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 11/1511:20 amSTL - MOB
1 stop7h 30mUnited Airlines
Mon 11/175:10 pmMOB - STL
1 stop4h 49mUnited Airlines
Deal found 7/29$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Mobile 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 July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Mobile that are best for you.

Fly from

St. Louis

Fly to

Mobile

Route

Depart

Return

Price

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Fri 9/5

5:18 am-12:03 pm

1 stop6h 45m

Mobile

Mon 9/8

6:40 am-1:12 pm

1 stop6h 32m

$249

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Wed 8/13

9:17 am-3:56 pm

1 stop6h 39m

Mobile

Sun 8/17

6:00 am-9:57 am

1 stop3h 57m

$259

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Tue 8/12

10:15 am-4:13 pm

1 stop5h 58m

Mobile

Sat 8/16

12:50 pm-10:45 pm

2 stops9h 55m

$359

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Wed 9/17

9:57 am-4:33 pm

1 stop6h 36m

$227

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Sun 8/10

10:46 am-5:06 pm

1 stop6h 20m

$254

St. LouisMobile

STL - MOB

STLMOB

Lambert-St Louis

Fri 8/8

6:15 am-11:50 am

1 stop5h 35m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from St. Louis to Mobile

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

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Mobile (average of $348). Flying from St. Louis to Mobile in March is currently the most expensive (average of $468). 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 STL to MOB?

Find hourly flight availability from St. Louis to Mobile. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from St. Louis to Mobile in the evening. Doing so could potentially save you 43% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from St. Louis to Mobile?

Reviews of airlines servicing Mobile

Get insights into the airlines that provide service to Mobile. 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 Mobile. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from St. Louis to Mobile, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Mobile round-trip?

    American Airlines, at $249, was found to be the cheapest airline from St. Louis to Mobile.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $227. Users have also found prices from $254 and $286 on Delta and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Mobile 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 St. Louis to Mobile?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Mobile (average of $348). Flying from St. Louis to Mobile in March is currently the most expensive (average of $468). 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 Mobile?

Book flights to Mobile if you plan to visit one of these locations
Pascagoula
Moss Point

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 for St. Louis to Mobile

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Atlanta flights
St. Louis to Atlanta flights
Kansas City to Pensacola flights
St. Louis to Pensacola flights
Springfield to Atlanta flights
St. Louis to Valparaiso flights
Kansas City to Valparaiso flights
Springfield to Pensacola flights
Springfield to Valparaiso flights
St. Louis to Chattanooga flights
Kansas City to Mobile flights
St. Louis to Birmingham flights
Kansas City to Huntsville flights
Kansas City to Birmingham flights
Kansas City to Chattanooga flights
St. Louis to Huntsville flights
Springfield to Chattanooga flights
Joplin to Pensacola flights
Kansas City to Montgomery flights
Springfield to Mobile flights
Columbia to Huntsville flights
Columbia to Birmingham flights
Joplin to Atlanta flights
Columbia to Pensacola flights
Columbia to Valparaiso flights
Joplin to Valparaiso flights

Top 3 airlines flying from St. Louis to Mobile

Discover the top 3 airlines that operate flights from St. Louis to Mobile. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$429FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$357FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$406FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.