Cheap flights from Houston to St. Louis (STL) from $76

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — STL
Mar 24 — Mar 311

The best prices from Houston to Lambert-St Louis are usually found in September or April, booked 25 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Houston to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

May

Cheapest in

September

Round-trip from

$323

One-way from

$104
High demand for flights, 22% potential price rise
Best time to find cheap flights, 31% potential price drop
From Houston to Lambert-St Louis
One-way flight from Houston to Lambert-St Louis

What is the cheapest day to fly round-trip from Houston to St. Louis?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 38% on the overall cost on flights from Houston to St. Louis.

How far in advance should I book a flight from Houston to St. Louis?

Travelers have found it’s best to book a flight 26 days in advance to save up to 36% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 26 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Houston to St. Louis 1-2 weeks in advance for as low as $215, or $265 for flights within the next 24 hours.

What is the cheapest month to fly from Houston to St. Louis?

September is one of the best times of the year to fly to St. Louis from Houston. Prices for September average $356 per person but you can even find prices for as low as $158. The most expensive prices can be found in the month of May. Opting for a September flight can save you 28% on your journey compared to booking in May

When is the cheapest time to fly from Houston to St. Louis (IAH - STL)?

When flying from Houston to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.

Cheap Frontier flights from Houston to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Houston and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider these cheap Frontier flights we've found departing from Houston to St. Louis. Make sure to check back often as deals are often changing.
Wed 4/107:58 pmHOU - STL
1 stop11h 15mFrontier
Tue 4/237:16 pmSTL - HOU
1 stop23h 52mFrontier
Deal found 3/17$136
Wed 4/177:58 pmHOU - STL
1 stop11h 15mFrontier
Wed 4/248:04 pmSTL - HOU
1 stop18h 49mFrontier
Deal found 3/18$139
Wed 5/112:07 pmIAH - STL
1 stop8h 32mFrontier
Sat 5/49:27 pmSTL - IAH
1 stop9h 53mFrontier
Deal found 3/18$140
Mon 4/86:25 pmIAH - STL
1 stop13h 56mFrontier
Wed 4/248:04 pmSTL - IAH
1 stop12h 25mFrontier
Deal found 3/18$144
Mon 4/2212:53 pmIAH - STL
1 stop26h 57mFrontier
Tue 4/307:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$145
Tue 4/3010:13 amIAH - STL
1 stop23h 34mFrontier
Fri 5/35:35 pmSTL - IAH
1 stop28h 20mFrontier
Deal found 3/18$147
Mon 4/228:03 pmHOU - STL
1 stop11h 10mFrontier
Tue 4/307:16 pmSTL - HOU
1 stop23h 52mFrontier
Deal found 3/17$148
Sat 4/274:31 pmIAH - STL
1 stop14h 42mFrontier
Sun 4/287:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/18$151
Sat 5/44:31 pmIAH - STL
1 stop14h 42mFrontier
Sun 5/57:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$153

Cheap Delta flights from Houston to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Houston and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Some of the best deals we've found on Delta flights traveling from Houston to St. Louis. Make sure to examine the flight information before completing your reservation.
Sat 4/276:00 amHOU - STL
1 stop5h 56mDelta
Tue 4/301:01 pmSTL - HOU
1 stop5h 23mDelta
Deal found 3/17$176
Fri 5/37:15 pmHOU - STL
1 stop4h 31mDelta
Sun 5/55:36 amSTL - HOU
1 stop4h 39mDelta
Deal found 3/18$448

Cheap Houston to St. Louis flights in March & April 2024

Find cheap flight options from Houston to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Houston to St. Louis in March and April 2024. Check back soon for alternative fares.
Tue 4/302:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Sat 5/411:10 amSTL - IAH
Nonstop2h 23mUnited Airlines
Deal found 3/18$119
Wed 4/104:31 pmIAH - STL
1 stop14h 42mFrontier
Tue 4/237:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$136
Tue 4/304:31 pmIAH - STL
1 stop28h 22mFrontier
Sat 5/49:27 pmSTL - IAH
1 stop9h 53mFrontier
Deal found 3/18$139
Mon 4/86:25 pmIAH - STL
1 stop13h 56mFrontier
Wed 4/248:04 pmSTL - IAH
1 stop12h 25mFrontier
Deal found 3/18$144
Mon 4/2212:53 pmIAH - STL
1 stop26h 57mFrontier
Tue 4/307:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$145
Tue 4/3010:13 amIAH - STL
1 stop23h 34mFrontier
Fri 5/35:35 pmSTL - IAH
1 stop28h 20mFrontier
Deal found 3/18$147
Fri 4/124:31 pmIAH - STL
1 stop28h 01mFrontier
Sat 4/2012:59 pmSTL - IAH
1 stop8h 22mFrontier
Deal found 3/18$148
Sat 4/274:31 pmIAH - STL
1 stop14h 42mFrontier
Sun 4/287:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/18$151
Thu 4/1110:59 pmIAH - STL
1 stop10h 48mFrontier
Sun 4/147:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/18$156

Houston to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Houston and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Houston to St. Louis in March and April 2024. Check back soon for alternative fares.
Tue 4/302:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Sat 5/411:10 amSTL - IAH
Nonstop2h 23mUnited Airlines
Deal found 3/18$119
Wed 4/104:31 pmIAH - STL
1 stop14h 42mFrontier
Tue 4/237:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$136
Tue 4/304:31 pmIAH - STL
1 stop28h 22mFrontier
Sat 5/49:27 pmSTL - IAH
1 stop9h 53mFrontier
Deal found 3/18$139
Wed 5/112:07 pmIAH - STL
1 stop8h 32mFrontier
Sat 5/49:27 pmSTL - IAH
1 stop9h 53mFrontier
Deal found 3/18$140
Mon 4/86:25 pmIAH - STL
1 stop13h 56mFrontier
Wed 4/248:04 pmSTL - IAH
1 stop12h 25mFrontier
Deal found 3/18$144
Mon 4/2212:53 pmIAH - STL
1 stop26h 57mFrontier
Tue 4/307:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/17$145
Tue 4/3010:13 amIAH - STL
1 stop23h 34mFrontier
Fri 5/35:35 pmSTL - IAH
1 stop28h 20mFrontier
Deal found 3/18$147
Fri 4/124:31 pmIAH - STL
1 stop28h 01mFrontier
Sat 4/2012:59 pmSTL - IAH
1 stop8h 22mFrontier
Deal found 3/18$148
Sat 4/274:31 pmIAH - STL
1 stop14h 42mFrontier
Sun 4/287:16 pmSTL - IAH
1 stop12h 04mFrontier
Deal found 3/18$151

Non-stop flights to St. Louis from Houston

Discover non-stop flight options from Houston to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
For a shorter flight, select one of these non-stop flights from Houston to St. Louis. If you're looking for other options for flights from Houston to St. Louis, make sure to update the search form at the top of page.
Tue 4/302:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Sat 5/411:10 amSTL - IAH
Nonstop2h 23mUnited Airlines
Deal found 3/18$119
Tue 4/302:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Fri 5/34:57 pmSTL - IAH
Nonstop2h 13mUnited Airlines
Deal found 3/18$139
Thu 4/252:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Sun 4/286:19 amSTL - IAH
Nonstop2h 14mUnited Airlines
Deal found 3/18$159
Wed 4/177:50 amIAH - STL
Nonstop2h 08mUnited Airlines
Wed 4/244:52 pmSTL - IAH
Nonstop2h 13mUnited Airlines
Deal found 3/18$189
Sat 4/272:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Tue 4/304:52 pmSTL - IAH
Nonstop2h 13mUnited Airlines
Deal found 3/18$190
Wed 4/107:50 amIAH - STL
Nonstop2h 08mUnited Airlines
Tue 4/2311:10 amSTL - IAH
Nonstop2h 23mUnited Airlines
Deal found 3/17$209
Fri 4/122:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Sat 4/206:19 amSTL - IAH
Nonstop2h 14mUnited Airlines
Deal found 3/18$229
Mon 4/82:20 pmIAH - STL
Nonstop2h 03mUnited Airlines
Wed 4/244:52 pmSTL - IAH
Nonstop2h 13mUnited Airlines
Deal found 3/18$243
Wed 4/107:50 amIAH - STL
Nonstop2h 08mUnited Airlines
Sun 4/144:52 pmSTL - IAH
Nonstop2h 13mUnited Airlines
Deal found 3/18$249

Houston to St. Louis flights leaving soon

Find last-minute flight options from Houston to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider one of these great deals we found on last-minute flights from Houston to St. Louis. Tip: verify your flight details before completing your reservation.
Fri 3/2910:18 pmIAH - STL
1 stop12h 24mFrontier
Wed 4/38:45 pmSTL - IAH
1 stop11h 58mFrontier
Deal found 3/18$158
Thu 3/2810:18 pmIAH - STL
1 stop11h 54mFrontier
Sat 3/307:04 pmSTL - IAH
1 stop13h 33mFrontier
Deal found 3/18$170
Thu 3/2810:18 pmIAH - STL
1 stop11h 54mFrontier
Sun 3/3111:15 pmSTL - IAH
1 stop9h 22mFrontier
Deal found 3/18$171
Thu 3/2810:18 pmIAH - STL
1 stop11h 54mFrontier
Mon 4/18:45 pmSTL - IAH
1 stop11h 48mFrontier
Deal found 3/18$174
Thu 3/2810:18 pmIAH - STL
1 stop11h 54mFrontier
Fri 3/298:24 pmSTL - IAH
1 stop14h 13mFrontier
Deal found 3/18$176
Thu 3/284:36 pmHOU - STL
1 stop17h 36mFrontier
Fri 3/298:45 pmSTL - HOU
1 stop21h 01mFrontier
Deal found 3/18$178
Fri 3/2910:18 pmIAH - STL
1 stop12h 24mFrontier
Sat 4/67:04 pmSTL - IAH
1 stop13h 33mFrontier
Deal found 3/18$204
Sat 3/2310:32 pmIAH - STL
1 stop11h 51mFrontier
Mon 3/258:45 pmSTL - IAH
1 stop11h 48mFrontier
Deal found 3/18$263
Fri 3/2910:18 pmIAH - STL
1 stop12h 24mMultiple Airlines
Sun 3/318:24 pmSTL - IAH
2 stops39h 01mMultiple Airlines
Deal found 3/17$269

One-way flights to St. Louis from Houston

Search for one-way flight options from Houston to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users in need of a one-way flight from Houston to St. Louis can choose from these deals. Those needing a return flight from Houston to St. Louis can use the search form above.
Wed 4/107:58 pmHOU - STL
1 stop11h 15mFrontier
Deal found 3/18$76
Tue 4/210:18 pmIAH - STL
1 stop11h 54mFrontier
Deal found 3/18$76
Tue 4/26:46 pmHOU - STL
1 stop15h 26mFrontier
Deal found 3/18$80
Wed 4/104:31 pmIAH - STL
1 stop14h 42mFrontier
Deal found 3/18$81
Sat 4/208:20 amIAH - STL
1 stop9h 14mSpirit Airlines
Deal found 3/18$83
Thu 4/1810:59 pmIAH - STL
1 stop10h 48mFrontier
Deal found 3/18$84
Thu 4/183:38 pmHOU - STL
1 stop18h 09mFrontier
Deal found 3/18$88
Wed 4/107:58 pmHOU - STL
1 stop22h 42mMultiple Airlines
Deal found 3/18$89
Thu 3/2810:18 pmIAH - STL
1 stop11h 54mFrontier
Deal found 3/18$90

Find flights from Houston to St. Louis within your budget

Customize your flight search to find flights from Houston 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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$119 - $269

Route

Depart

Return

Price

Houston George Bush IntcntlLambert-St Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 4/30

Nonstop2h 03m

Lambert-St Louis

Sat 5/4

Nonstop2h 23m

$119

Houston HobbyLambert-St Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 4/10

1 stop11h 15m

Lambert-St Louis

Tue 4/23

1 stop23h 52m

$136

Houston George Bush IntcntlLambert-St Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Wed 4/10

1 stop14h 42m

Lambert-St Louis

Tue 4/23

1 stop12h 04m

$136

Houston HobbyLambert-St Louis

HOU - STL

HOUSTL

Houston Hobby

Wed 4/17

1 stop11h 15m

Lambert-St Louis

Wed 4/24

1 stop18h 49m

$139

Houston George Bush IntcntlLambert-St Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Tue 4/30

1 stop5h 14m

Lambert-St Louis

Fri 5/3

Nonstop2h 13m

$168

Houston HobbyLambert-St Louis

HOU - STL

HOUSTL

Houston Hobby

Sat 4/27

1 stop5h 56m

Lambert-St Louis

Tue 4/30

1 stop5h 23m

$176

Houston HobbyLambert-St Louis

HOU - STL

HOUSTL

Houston Hobby

Tue 4/9

1 stop4h 36m

Lambert-St Louis

Wed 4/17

1 stop4h 49m

$208

Houston George Bush IntcntlLambert-St Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 4/12

2 stops20h 12m

Lambert-St Louis

Sat 4/20

1 stop5h 43m

$214

Houston George Bush IntcntlLambert-St Louis

IAH - STL

IAHSTL

Houston George Bush Intcntl

Fri 3/29

1 stop12h 24m

Lambert-St Louis

Sun 3/31

2 stops39h 01m

$269

Flights are sorted by cheapest first

Deals found on 3/18

When is the best time to book a flight from Houston to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Houston to St. Louis. Price data was last updated on January 28, 2024.
Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Houston to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Houston to St. Louis. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Houston to St. Louis flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Houston to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Houston to St. Louis is currently $83 while a round-trip flight costs $174. Price data was last updated on March 10, 2024.

Currently, September is the cheapest month in which you can book a flight from Houston to St. Louis (average of $323). Flying from Houston to St. Louis in June is currently the most expensive (average of $386). 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.

January

$326

February

$331

March

$358

April

$356

May

$358

June

$386

July

$382

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

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 19, 2024.
Peruse reviews from past customers who have flown with Frontier, Delta and American Airlines from Houston to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
9,150 reviews
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

8.1
Very good
11,551 reviews
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.4
Good
11,602 reviews
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

7.3
Good
15,298 reviews
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

6.5
Okay
8,875 reviews
8.1
Very good
9,150 reviews

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.4

Comfort

7.9

Food

7.3

Reviews

1 / 10

This is trivial however, I was in row 11B there aren’t any windows in that row. I enjoy being able to look out the window.

Related info for your journey

Find useful and relevant information for your journey from Houston 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 airports serve Houston to St. Louis flights?

    You can fly from either of Houston’s major airports to St. Louis. The majority of the flights on this route have one stop in between. There are more flights going from George Bush Intercontinental Airport to Lambert-St. Louis International Airport than from William P. Hobby Airport in Houston. St. Louis Lambert International Airport is located 14 miles from the downtown district in St. Louis. You’ll sometimes see it listed as Lambert Field. This airport is the busiest and the biggest one in the state of Missouri. There is a second airport in the city or located close to the city but the majority of flights arrive at Lambert. There is a connected railway though if it’s needed for a traveler to make it to the other airport.

  • Which airlines fly directly from Houston to St. Louis?

    There are not a lot of direct flights between these two cities but there are a few. They are operated by United. The flight is 2h 5m to 2h 12m, depending on the time of day you go. For more choices of departure times, you can look for a stopover flight.

  • What are the stopover options between Houston to St. Louis?

    American Airlines has a stop in Dallas for this route. Most of these are an hour or less. Delta stops in Atlanta and sometimes in Detroit. There are also a couple of options that stop in Minneapolis. United offers flights that land in Chicago at O’Hare before moving on to St. Louis. Most of the flights are around five hours or so. The longest ones are about eight hours.

  • Do I need a passport or visa to fly from Houston to St. Louis?

    You will not need your passport or a visa for this flight. The connections are all within the United States so the flights are purely domestic. There is only a requirement that you bring a valid form of identification to the airport so you are allowed to board the plane.

  • What airport do you fly into for flights to St. Louis from Houston?

    For a flight from Houston to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 4 inbound flights from Houston per day. 5 airlines have flights to Lambert-St Louis from Houston on a regular basis.

  • Can I find flights from Houston to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Houston to St. Louis for under $200. The cheapest flight booked recently is on United Airlines for just $119, but on average you can expect to pay $147.

  • Are there nonstop flights from Houston to St. Louis for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Houston to St. Louis under $200. A good price for a nonstop flight from Houston to St. Louis is less than $248.

  • Are there last-minute flights available from Houston to St. Louis for under $200?

    There are currently 20+ open flights from Houston to St. Louis within the next 7 days for less than $200.

  • What days are nonstop flights available from Houston to St. Louis?

    Nonstop flights are available for this route on the following days: Saturday.

  • How many flights depart from Houston to St. Louis on average per day?

    7 flight departures from Houston to St. Louis per day on average.
    Morning (6am - Noon) - 43% of flight departures
    Afternoon (Noon - 6pm) - 57% of flight departures

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

    Departing from Houston to St. Louis will take you 2h 03m. The distance between Houston and St. Louis is about 671 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston to St. Louis round-trip?

    Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $119. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $136 and $176, respectively. United Airlines is 66% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Houston to St. Louis are Frontier ($76), Spirit Airlines ($83), and United Airlines ($95).

  • What are the most popular airlines that fly from Houston to St. Louis?

  • What are the most reliable airlines from Houston to St. Louis?

    No one likes to see their flight delayed. When booking a flight from Houston to St. Louis consider choosing Copa Airlines (88%), Virgin Australia (86%) or Air New Zealand (84%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Houston to St. Louis is $83. On average you can expect to pay $519. The most popular route, (Houston Hobby - Lambert-St Louis), can usually be booked for $141.

  • What does IAH to STL mean?

    This is defined as Houston George Bush Intcntl Airport (IAH) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely. Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT) are other airports near this flight route and their unique identifiers/IATA codes.

See more FAQs

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Alternative routes for Houston to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Houston to St. Louis

Discover the top 5 airlines that operate flights from Houston 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$140Average$210FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$174Average$224FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$178Average$345FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$186Average$349FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$225Average$393FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Houston to St. Louis by cabin class

Find flights from Houston to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Houston to St. Louis

Find hourly flight availability from Houston 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 19, 2024.
11%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
32%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Houston to St. Louis

Explore weekly flight availability from Houston to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday6daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday2daily flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Houston to St. Louis?

Cheapflights helps you search for flights from Houston to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Houston to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Houston to St. Louis.

Can Cheapflights find flights from Houston to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from Houston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Houston to St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Houston today and book when prices fit your budget.

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