St. Louis

$129+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — STL
Apr 9 — Apr 161
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Cheapflights Tip: The best prices from Galveston to Lambert-St Louis are usually found in September or October, booked 88 days in advance, depart on a Tuesday or Monday 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 March 10, 2026.

This Southwest deal was found by Cheapflights users on 3/10. 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 4/78:15 pm
HOU
-
STL
Nonstop2h 05m
Southwest
Tue 4/144:25 pm
STL
-
HOU
Nonstop2h 10m
Southwest
Deal found 3/10$257
This Southwest deal was found by Cheapflights users on 3/5. 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 4/17:40 am
HOU
-
STL
Nonstop1h 55m
Southwest
Wed 4/155:15 am
STL
-
HOU
Nonstop2h 15m
Southwest
Deal found 3/5$277
This Southwest deal was found by Cheapflights users on 3/9. 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.
Mon 4/279:55 pm
HOU
-
STL
Nonstop2h 00m
Southwest
Wed 4/2910:25 am
STL
-
HOU
1 stop4h 30m
Southwest
Deal found 3/9$284
This Southwest deal was found by Cheapflights users on 3/8. 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 3/314:00 pm
HOU
-
STL
Nonstop2h 00m
Southwest
Fri 4/32:00 pm
STL
-
HOU
Nonstop2h 15m
Southwest
Deal found 3/8$290
This Southwest deal was found by Cheapflights users on 3/6. 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.
Sat 4/49:15 pm
HOU
-
STL
Nonstop2h 00m
Southwest
Thu 4/99:45 pm
STL
-
HOU
Nonstop2h 10m
Southwest
Deal found 3/6$299

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 March 10, 2026.

Round-trip from

$257
(Southwest)

One-way from

$129
(Southwest)

Popular in

March

Cheapest in

September

Average price

$469
From Galveston to Lambert-St Louis
One-way flight from Galveston to Lambert-St Louis
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 10, 2026.
Use the filters below to find and compare flights from Galveston to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 4/7

3:40 pm-8:05 pm

1 stop4h 25m

Lambert-St Louis

Tue 4/14

4:25 pm-6:35 pm

Nonstop2h 10m

$263

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 5/14

10:35 am-2:55 pm

1 stop4h 20m

Lambert-St Louis

Tue 5/19

10:25 am-2:55 pm

1 stop4h 30m

$289

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 3/31

4:20 pm-7:55 pm

1 stop3h 35m

Lambert-St Louis

Fri 4/3

6:30 pm-8:45 pm

Nonstop2h 15m

$296
Quickest round-trip

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Mon 3/30

7:40 am-9:35 am

Nonstop1h 55m

Lambert-St Louis

Fri 4/3

9:40 pm-11:55 pm

Nonstop2h 15m

$311

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Mon 5/4

10:30 am-12:30 pm

Nonstop2h 00m

Lambert-St Louis

Fri 5/8

9:45 pm-11:55 pm

Nonstop2h 10m

$311

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 4/14

3:40 pm-8:00 pm

1 stop4h 20m

Lambert-St Louis

Thu 4/16

5:15 pm-10:50 pm

1 stop5h 35m

$314

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Thu 4/23

5:30 pm-11:15 pm

2 stops5h 45m

Lambert-St Louis

Mon 4/27

9:45 pm-11:55 pm

Nonstop2h 10m

$314

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 3/28

7:40 am-9:35 am

Nonstop1h 55m

Lambert-St Louis

Tue 4/7

10:25 am-2:55 pm

1 stop4h 30m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 4/1

8:30 am-2:40 pm

2 stops6h 10m

Lambert-St Louis

Wed 4/15

10:25 am-2:55 pm

1 stop4h 30m

$321

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 4/18

8:10 am-3:20 pm

2 stops7h 10m

Lambert-St Louis

Mon 4/20

6:45 pm-12:25 am

1 stop5h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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 March 6, 2026.

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 $241). 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 March 10, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% 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 February 21, 2026.

Travelers seeking maximum savings on their Galveston to St. Louis flight should consider departing on Saturday at noon 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 March 10, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines 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.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 4h 25m. The time it takes to get you to your destination can typically vary by up to . There are 688 mi between Galveston and St. Louis.

  • 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 $82. Users have also found prices from $88 and $108 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 $339, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Houston Hobby - Lambert-St Louis), you can expect to pay $192 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 $241). 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Galveston to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$231FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$393FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$337FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$211Average$379FlexibilityNo cancel feeOn-time63%

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