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St. Louis

$137+ Cheap flights from Galveston, TX 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — STL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Lambert-St Louis are usually found in September or April, booked 87 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Galveston to St. Louis

Cheapest flights from Galveston to St. Louis
Explore the most affordable flight options available from Galveston to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:40 amHOU - STL
1 stop11h 27mAmerican Airlines
Sat 1/1011:55 amSTL - HOU
1 stop6h 11mAmerican Airlines
Deal found 12/16$397
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:13 amHOU - STL
1 stop9h 09mAmerican Airlines
Mon 1/57:00 amSTL - HOU
1 stop4h 39mAmerican Airlines
Deal found 12/16$437
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.
Wed 12/318:45 amHOU - STL
Nonstop2h 00mSouthwest
Mon 1/510:20 pmSTL - HOU
Nonstop2h 10mSouthwest
Deal found 12/16$463
This Southwest deal was found by Cheapflights users on 12/15. 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.
Sun 12/287:35 amHOU - STL
Nonstop2h 00mSouthwest
Sun 12/286:00 pmSTL - HOU
1 stop3h 40mSouthwest
Deal found 12/15$469
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/2410:13 amHOU - STL
1 stop9h 09mAmerican Airlines
Thu 1/17:00 amSTL - HOU
1 stop8h 47mAmerican Airlines
Deal found 12/17$486
This Southwest deal was found by Cheapflights users on 12/15. 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 12/237:35 amHOU - STL
Nonstop2h 00mSouthwest
Sat 1/106:55 amSTL - HOU
Nonstop2h 20mSouthwest
Deal found 12/15$532

Find flight deals from Galveston to St. Louis

Keep the following information in mind while searching for Galveston to St. Louis flight deals. Data was last updated December 18, 2025.

Round-trip from

$293
(American Airlines)

One-way from

$137
(Southwest)

Popular in

November

Cheapest in

September

Average price

$395
From Galveston to Lambert-St Louis
Search Deals
One-way flight from Galveston to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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 18, 2025.
Use the filters below to find and compare flights from Galveston to St. Louis that are best for you.

Fly from

Galveston

Fly to

St. Louis

Route

Depart

Return

Price

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 2/10

6:00 am-11:03 am

1 stop5h 03m

Lambert-St Louis

Tue 2/10

5:04 pm-10:46 pm

1 stop5h 42m

$293

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 1/17

6:10 am-8:05 am

Nonstop1h 55m

Lambert-St Louis

Mon 1/19

8:50 pm-11:05 pm

Nonstop2h 15m

$313

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 1/15

8:55 pm-10:55 pm

Nonstop2h 00m

Lambert-St Louis

Thu 1/22

6:00 am-8:20 am

Nonstop2h 20m

$313

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 1/10

5:30 am-12:50 pm

1 stop7h 20m

Lambert-St Louis

Mon 1/12

3:05 pm-5:20 pm

Nonstop2h 15m

$323

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 1/15

5:45 am-11:05 am

1 stop5h 20m

Lambert-St Louis

Mon 1/19

3:45 pm-10:33 pm

1 stop6h 48m

$333

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 1/17

6:00 am-11:03 am

1 stop5h 03m

Lambert-St Louis

Mon 1/19

3:37 pm-10:46 pm

1 stop7h 09m

$333

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 2/10

5:40 am-7:35 am

Nonstop1h 55m

Lambert-St Louis

Thu 2/12

5:30 am-7:55 am

Nonstop2h 25m

$334

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 2/4

6:35 pm-8:35 pm

Nonstop2h 00m

$137

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 1/27

5:40 am-7:35 am

Nonstop1h 55m

$137

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 3/10

7:40 am-9:35 am

Nonstop1h 55m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 18 results
1
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Best time to book a flight from Galveston to St. Louis

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

How far ahead should I book a flight from Galveston to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Galveston to St. Louis. Price data was last updated on December 12, 2025.

The best time to book flights from Galveston to St. Louis is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Galveston to St. Louis (average of $117). Flying from Galveston to St. Louis in November is currently the most expensive (average of $242). 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 G4L to STL?

Find hourly flight availability from Galveston 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 18, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from Galveston to St. Louis by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Galveston to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Galveston to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Galveston to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday 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 18, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and Frontier from Galveston to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Galveston 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 Galveston?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Galveston to St. Louis. You should not have trouble finding flights to Lambert-St Louis from Galveston; the airport handles an average of 1 inbound flight from Galveston per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the St. Louis airport from Galveston. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from Galveston to St. Louis?

    Airlines like American Airlines and Southwest fly from Galveston to St. Louis in about 1h 55m. The time it takes to get you to your destination can typically vary by up to 3h 08m. There are 688 mi between Galveston and St. Louis. This flight may include one or multiple stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $80. Users have also found prices from $88 and $88 on Southwest and United Airlines, respectively.

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

    While on average a flight from Galveston to St. Louis is generally $313, our data shows the cheapest flight currently is $139. When looking at the most popular route, (Houston Hobby - Lambert-St Louis), you can expect to pay $135 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Galveston to St. Louis (average of $117). Flying from Galveston to St. Louis in November is currently the most expensive (average of $242). 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

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Top 4 airlines flying from Galveston to St. Louis

Discover the top 4 airlines that operate flights from Galveston 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$242FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$380FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$342FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$369FlexibilityNo cancel feeOn-time63%

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