HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$139+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — STL
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Galveston to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Galveston to Lambert-St Louis are usually found in September or April, booked 88 days in advance, depart on a Tuesday or Wednesday 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 enero 20, 2026.

This Southwest deal was found by Cheapflights users on 1/19. 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.
mié. 2/185:40 am
HOU
-
STL
Nonstop1h 55m
Southwest
mié. 2/2512:55 pm
STL
-
HOU
Nonstop2h 15m
Southwest
Deal found 1/19$277
This Southwest deal was found by Cheapflights users on 1/20. 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.
mar. 2/177:15 am
HOU
-
STL
1 stop6h 20m
Southwest
mar. 2/247:55 pm
STL
-
HOU
Nonstop2h 15m
Southwest
Deal found 1/20$287
This Southwest deal was found by Cheapflights users on 1/19. 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.
jue. 2/127:50 am
HOU
-
STL
Nonstop2h 00m
Southwest
lun. 2/165:30 am
STL
-
HOU
Nonstop2h 25m
Southwest
Deal found 1/19$317
This Southwest deal was found by Cheapflights users on 1/19. 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.
mar. 3/318:30 am
HOU
-
STL
2 stops6h 10m
Southwest
mar. 4/710:25 am
STL
-
HOU
1 stop4h 30m
Southwest
Deal found 1/19$318
This Southwest deal was found by Cheapflights users on 1/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/165:15 am
HOU
-
STL
Nonstop1h 55m
Southwest
lun. 2/233:10 pm
STL
-
HOU
1 stop3h 45m
Southwest
Deal found 1/17$323

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 enero 20, 2026.

Round-trip from

$277
(Southwest)

One-way from

$139
(Southwest)

Popular in

November

Cheapest in

September

Average price

$380
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. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 20, 2026.
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

mar. 3/31

8:45 pm-10:50 pm

Nonstop2h 05m

Lambert-St Louis

mar. 4/7

5:15 am-7:30 am

Nonstop2h 15m

$277

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mié. 2/18

5:40 am-7:35 am

Nonstop1h 55m

Lambert-St Louis

mié. 2/25

12:55 pm-3:10 pm

Nonstop2h 15m

$277

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

jue. 2/19

8:55 pm-10:55 pm

Nonstop2h 00m

Lambert-St Louis

sáb. 2/21

4:40 pm-6:55 pm

Nonstop2h 15m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mar. 2/24

9:35 am-11:35 am

Nonstop2h 00m

Lambert-St Louis

mié. 2/25

7:55 pm-10:10 pm

Nonstop2h 15m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mar. 4/7

4:00 pm-6:00 pm

Nonstop2h 00m

Lambert-St Louis

sáb. 4/11

5:20 pm-7:30 pm

Nonstop2h 10m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

lun. 2/16

5:15 am-7:10 am

Nonstop1h 55m

Lambert-St Louis

lun. 2/23

5:00 pm-7:15 pm

Nonstop2h 15m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mar. 2/17

5:15 am-7:10 am

Nonstop1h 55m

Lambert-St Louis

mar. 2/24

12:55 pm-3:10 pm

Nonstop2h 15m

$317

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mié. 4/15

7:35 am-9:35 am

Nonstop2h 00m

$139

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mié. 3/25

4:20 pm-7:55 pm

1 stop3h 35m

$144

HoustonSt. Louis

HOU - STL

HOUSTL

Houston Hobby

mar. 3/3

12:55 pm-5:10 pm

1 stop4h 15m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
2

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 January 16, 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 $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 enero 20, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% 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 January 17, 2026.

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 enero 20, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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.
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

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
9,184 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

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.
American Airlines
7.2
Good
11,166 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

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
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

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 2h 05m. 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 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 $81. 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 $324, our data shows the cheapest flight currently is $103. When looking at the most popular route, (Houston Hobby - Lambert-St Louis), you can expect to pay $131 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Galveston to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Kansas City flights
Dallas/Fort Worth to Kansas City flights
Hobby to St. Louis flights
George Bush Intcntl to Kansas City flights
George Bush Intcntl to St. Louis flights
Austin to Kansas City flights
Dallas/Fort Worth to St. Louis flights
Love Field to Kansas City flights
Hobby to Springfield flights
Dallas/Fort Worth to Springfield flights
Austin to St. Louis flights
Love Field to St. Louis flights
San Antonio to Kansas City flights
George Bush Intcntl to Springfield flights
San Antonio to St. Louis flights
Austin to Springfield flights
Dallas/Fort Worth to Columbia flights
El Paso to St. Louis flights
San Antonio to Springfield flights
McAllen to Kansas City flights
Hobby to Columbia flights
Hobby to Joplin flights
George Bush Intcntl to Columbia flights
El Paso to Kansas City flights
Dallas/Fort Worth to Joplin flights
Austin to Joplin flights
Austin to Columbia flights
Midland to Springfield flights
Dallas/Fort Worth to Branson flights
Amarillo to Springfield flights
Corpus Christi to Columbia flights
San Antonio to Joplin flights
McAllen to Springfield flights
Corpus Christi to St. Louis flights
Lubbock to St. Louis flights
Lubbock to Kansas City flights
Killeen to Kansas City flights
Love Field to Springfield flights
Lubbock to Springfield flights
Lubbock to Columbia flights
Laredo to Kansas City flights
El Paso to Springfield flights
Killeen to St. Louis flights
Killeen to Springfield flights
Waco to St. Louis flights
San Angelo to Kansas City flights
El Paso to Branson flights
Beaumont to St. Louis flights
Beaumont to Kansas City flights
Killeen to Joplin flights

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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$228FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$377FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$180Average$337FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$369FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.