$233 Cheap Flights from St. Louis (STL) to Mobile (MOB)

View $233 flight on Wed, May 6, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Mobile Regional Airport (MOB)

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Cheap Flights from St. Louis to Mobile (STL-MOB)

Prices were available within the past 7 days and start at $233 for one-way flights and $329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, May 6 - Sat, May 9
STL
St. Louis
MOB
Mobile
$329 Roundtrip, found 14 hours ago
$329
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 6 from St. Louis to Mobile, returning Sat, May 9, priced at $329 found 14 hours ago
Delta
Wed, May 6 - Sat, May 9
STL
St. Louis
MOB
Mobile
$329 Roundtrip, found 14 hours ago
$329
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, May 6 from St. Louis to Mobile, returning Sat, May 9, priced at $329 found 14 hours ago
United
Wed, May 6 - Sat, May 9
STL
St. Louis
MOB
Mobile
$329 Roundtrip, found 14 hours ago
$329
Roundtrip
found 14 hours ago
Select United flight, departing Wed, May 6 from St. Louis to Mobile, returning Sat, May 9, priced at $329 found 14 hours ago
American Airlines
Wed, May 6 - Sat, May 9
STL
St. Louis
MOB
Mobile
$334 Roundtrip, found 14 hours ago
$334
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, May 6 from St. Louis to Mobile, returning Sat, May 9, priced at $334 found 14 hours ago
American Airlines
Sat, Aug 1 - Thu, Aug 6
STL
St. Louis
MOB
Mobile
$353 Roundtrip, found 11 hours ago
$353
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Aug 1 from St. Louis to Mobile, returning Thu, Aug 6, priced at $353 found 11 hours ago
Delta
Thu, May 28 - Sun, May 31
STL
St. Louis
MOB
Mobile
$354 Roundtrip, found 13 hours ago
$354
Roundtrip
found 13 hours ago
Select Delta flight, departing Thu, May 28 from St. Louis to Mobile, returning Sun, May 31, priced at $354 found 13 hours ago
United
Sat, Aug 22 - Sat, Aug 29
STL
St. Louis
MOB
Mobile
$358 Roundtrip, found 1 day ago
$358
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from St. Louis to Mobile, returning Sat, Aug 29, priced at $358 found 1 day ago
American Airlines
Wed, May 13 - Sat, May 16
STL
St. Louis
MOB
Mobile
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, May 13 from St. Louis to Mobile, returning Sat, May 16, priced at $358 found 3 days ago
United
Sat, Apr 25 - Mon, Apr 27
STL
St. Louis
MOB
Mobile
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select United flight, departing Sat, Apr 25 from St. Louis to Mobile, returning Mon, Apr 27, priced at $359 found 3 days ago
United
Tue, Sep 15 - Sat, Sep 19
STL
St. Louis
MOB
Mobile
$363 Roundtrip, found 18 hours ago
$363
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Sep 15 from St. Louis to Mobile, returning Sat, Sep 19, priced at $363 found 18 hours ago

Alternative airports near Mobile

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Mobile Regional MOB. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $617
MOB
Mobile Regional
Cheapest
Average driving time to city center22 min
Flights from $617

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) cost?
You can find cheap one-way flights from $233 and cheap return flights from $329 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) with Expedia. One-way flights usually range from $282 to $685, and return flights typically cost between $356 and $1072. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
August is the cheapest month to fly from St. Louis, MO (STL) to Mobile, AL (MOB), with average round-trip fares around $298. This price is about 27% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other budget-friendly months to consider are April and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
Enter STL to MOB and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Lambert-St. Louis Intl. (STL) to Mobile Regional (MOB), with round-trip tickets starting from around $648 with a layover in LaGuardia (LGA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
When flying from St. Louis (STL) to Mobile (MOB), August and November are the best months to consider. August offers return flights at around $298, making it a budget-friendly option. November also provides good prices and a pleasant travel experience, as the weather is generally mild. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from STL to MOB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
For flights from St. Louis, MO (STL) to Mobile, AL (MOB), the most popular departure times are also in the early morning, from 6am to 9am. This accounts for around 35% of total traffic. Many major carriers, including Delta Air Lines, United Airlines, and American Airlines, offer flights during this window. Many travelers prefer this timing as it allows them to arrive in Mobile with plenty of time to explore the city.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
A flight from STL to MOB with a layover takes around 4 hours 50 minutes, with the route covering approximately 570 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
First class is available on flights from STL to MOB. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Mobile from Lambert-St. Louis Intl. (STL)?
If you're planning to travel to Mobile from Lambert-St. Louis Intl. (STL), you can fly into Mobile Regional (MOB) Some flights may connect through major hubs like O'Hare Intl. (ORD), LaGuardia (LGA), Philadelphia Intl. (PHL) before reaching Mobile. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Mobile, AL (MOB-Mobile Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Mobile Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$328
Distance
569 mi

Book with confidence

St. Louis to Mobile Flights

The cheapest times to fly from St. Louis to Mobile

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Mobile are during the month of May. You can find some of the cheapest flights from St. Louis to Mobile with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Mobile

Sunday is one of the best days to book for cheap flights from St. Louis to Mobile: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Mobile

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Mobile in 2026. You can also book with separate airlines for your outbound and return journeys, from $233 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Mobile flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Mobile airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Mobile Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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