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$262 Cheap Flights from St. Louis (STL) to Mobile (MOB)

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

Prices were available within the past 7 days and start at $262 for one-way flights and $319 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Mobile

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

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St. Louis (STL) to Mobile (MOB) at a glance

Explore various airlines offering routes from St. Louis (STL) to Mobile (MOB) on this domestic short-haul journey. Compare options from full-service carriers to discover the itinerary that best aligns with your budget, schedule, and travel plans while you enjoy Mobile’s renowned attractions and neighborhoods. Get all the essential details for flights departing from Lambert-St. Louis International Airport (STL) to Mobile Regional Airport (MOB).

  • Fastest flight duration: around 3 hours in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$460, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to Mobile Regional Airport (MOB)

Based on recent traveler bookings, here are the top airlines favored for one-stop flights from St. Louis to Mobile. Many passengers opt for layovers at Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 30 minutes, Dallas-Fort Worth International Airport (DFW) with an approximate 1 hour and 15-minute layover, and Charlotte-Douglas International Airport (CLT) with a layover of around 1 hour. This variety allows you to tailor your journey by balancing price, total travel time, and cabin class to find the ideal itinerary.

  • Delta: Delta is a comprehensive airline providing one-stop service, with one-way ticket prices generally between $125 and $540. This carrier represents about 52% of the flights on this route, featuring an in-flight duration of 3 hours and an overall travel time of around 5 hours, including layover.
  • American Airlines: Offering one-stop flights, American Airlines presents an alternative with one-way fares typically ranging from $130 to $460. This airline makes up roughly 30% of departures on this route, with an in-flight time of 3 hours and a total journey time of about 5 hours, factoring in the layover.
  • United: United operates as a full-service airline with one-stop service, where one-way fares usually fall between $125 and $535. Approximately 18% of departures on this route are with United, providing an in-flight experience of 3 hours and a total travel duration of roughly 5 hours, including layover time.

Best time to fly from St. Louis (STL) to Mobile (MOB)

The most popular months for travelers flying from St. Louis to Mobile are February, April, and July, when peak temperatures in Mobile reach up to 82.2°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 78.6°F. For better deals, June usually offers the lowest average one-way fare around $217. Flight availability peaks in October, with approximately 10 flights per week, making it easier to find convenient departure times. January and November have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: June usually offers good deals with average one-way fare around $217, roughly 22% cheaper than the yearly average.
  • More budget-friendly months to fly: July and September typically offer average one-way fares of around $227.
  • Most flight options: October has the highest number of flights from St. Louis to Mobile, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
MonthTemperatureDemandWeekly FlightsAverage one-way Fare
January51.3°F (10.7°C)Average7$285
February55.6°F (13.1°C)High9$264
March61.7°F (16.5°C)Average8$278
April67.5°F (19.7°C)High8$377
May74.7°F (23.7°C)Average9$278
June81.0°F (27.2°C)Average8$217
July82.2°F (27.9°C)High8$226
August82.2°F (27.9°C)Low8$275
September78.6°F (25.9°C)Low8$228
October70.2°F (21.2°C)Average10$320
November59.9°F (15.5°C)Average7$308
December55.4°F (13.0°C)Low9$292

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from St. Louis (STL) to Mobile (MOB)

  • St. Louis to Mobile (STL-BFM): The Downtown Airport (BFM) is located roughly 11 miles from Mobile Regional Airport (MOB).
  • St. Louis to Mobile (SUS-MOB): Spirit of St. Louis Airport (SUS) sits about 16 miles from Lambert-St. Louis International Airport (STL).

How to find the best prices for flights from St. Louis (STL) to Mobile (MOB)

Getting some of the best deals on flights from St. Louis to Mobile is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures, from 5 AM to 12 PM, are often less expensive and also the most popular. Additionally, flying on Wednesday typically offers lower prices, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Mobile Regional Airport from Lambert-St. Louis International Airport

Mobile welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Here's how to reach Mobile efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Mobile, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Mobile Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Mobile Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

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 February. 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 $262 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.

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 $262 and cheap return flights $319 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
St. Louis Lambert Intl. Airport
Destination airport
Mobile Regional Airport
Distance
569 miles away
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Roundtrip price
$319
*Available to One Key members.