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St. Louis

$58+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — STL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Lambert-St Louis are usually found in April or September, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap 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 September 16, 2025.

Round-trip from

$125
(Southwest)

One-way from

$58
(Southwest)

Popular in

January

Cheapest in

April

Average price

$285
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. 11% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This Southwest deal was found by Cheapflights users on 9/15. 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 10/148:05 pmHOU - STL
Nonstop1h 55mSouthwest
Tue 10/212:25 pmSTL - HOU
1 stop3h 55mSouthwest
Deal found 9/15$125
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 11/612:10 pmHOU - STL
Nonstop2h 00mSouthwest
Sat 11/85:50 pmSTL - HOU
Nonstop2h 10mSouthwest
Deal found 9/15$131
This Southwest deal was found by Cheapflights users on 9/14. 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 11/1211:05 amHOU - STL
2 stops5h 15mSouthwest
Sun 11/167:10 pmSTL - HOU
Nonstop2h 10mSouthwest
Deal found 9/14$146
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 10/313:10 pmHOU - STL
Nonstop2h 00mSouthwest
Sun 11/25:05 amSTL - HOU
Nonstop2h 15mSouthwest
Deal found 9/15$147
This Southwest deal was found by Cheapflights users on 9/15. 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.
Fri 11/75:30 amHOU - STL
1 stop3h 40mSouthwest
Sun 11/167:10 pmSTL - HOU
Nonstop2h 10mSouthwest
Deal found 9/15$157
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:26 pmHOU - STL
1 stop3h 56mAmerican Airlines
Sat 11/15:09 pmSTL - HOU
1 stop5h 05mAmerican Airlines
Deal found 9/15$159

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 September 16, 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 10/14

8:05 pm-10:00 pm

Nonstop1h 55m

Lambert-St Louis

Tue 10/21

2:25 pm-6:20 pm

1 stop3h 55m

$125

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 11/6

7:45 am-9:45 am

Nonstop2h 00m

Lambert-St Louis

Sat 11/8

5:50 pm-8:00 pm

Nonstop2h 10m

$131

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 11/1

3:10 pm-5:10 pm

Nonstop2h 00m

Lambert-St Louis

Sun 11/2

5:05 am-7:20 am

Nonstop2h 15m

$131

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 10/25

12:50 pm-2:50 pm

Nonstop2h 00m

Lambert-St Louis

Fri 10/31

1:35 pm-6:30 pm

1 stop4h 55m

$141

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Fri 10/31

3:10 pm-5:10 pm

Nonstop2h 00m

Lambert-St Louis

Mon 11/3

9:40 am-11:50 am

Nonstop2h 10m

$147

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Fri 10/31

3:10 pm-5:10 pm

Nonstop2h 00m

Lambert-St Louis

Sun 11/2

5:05 am-7:20 am

Nonstop2h 15m

$147

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 12/17

3:25 pm-5:25 pm

Nonstop2h 00m

$58

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 11/4

5:40 am-7:35 am

Nonstop1h 55m

$58

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 10/25

12:50 pm-2:50 pm

Nonstop2h 00m

$58

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 10/15

8:05 pm-10:00 pm

Nonstop1h 55m

$58

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 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 September 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, August is the cheapest month in which you can book a flight from Galveston to St. Louis (average of $311). Flying from Galveston to St. Louis in March is currently the most expensive (average of $356). 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 September 16, 2025.

When flying from Galveston to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Tuesday afternoons when fares are most often at their lowest. Sunday afternoons 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 September 16, 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
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

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 4 inbound flights 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 Southwest fly from Galveston to St. Louis in about 1h 55m. The time it takes to get you to your destination is usually consistent. There are 688 mi between Galveston and St. Louis. All flights are typically nonstop.

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

    While on average a flight from Galveston to St. Louis is generally $246, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Houston Hobby - Lambert-St Louis), you can expect to pay $115 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, August is the cheapest month in which you can book a flight from Galveston to St. Louis (average of $311). Flying from Galveston to St. Louis in March is currently the most expensive (average of $356). 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
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Galveston to St. Louis

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$231FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$396FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$342FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$210Average$365FlexibilityNo cancel feeOn-time63%

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