Cheap Flights from St. Louis to Houston
Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
St. Louis
RatePunk searches hundreds of travel sites at once for deals on flights to Houston
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from St. Louis to Houston
Explore current cheapest deals departing from St. Louis to Houston
Round trip
Sort by: Cheapest
July 7 - July 14
STL - Houston
$259
$160
Round trip
July 13 - July 18
STL - Houston
$258
$162
Round trip
August 5 - August 12
STL - Houston
$234
$162
Round trip
July 24 - August 4
STL - Houston
$228
$167
Round trip
July 24 - August 11
STL - Houston
$226
$167
Round trip
July 24 - July 29
STL - Houston
$253
$167
Round trip
July 28 - August 4
STL - Houston
$247
$168
Round trip
July 21 - August 4
STL - Houston
$224
$168
Round trip
July 14 - August 4
STL - Houston
$223
$168
Round trip
July 13 - August 4
STL - Houston
$223
$168
Round trip
Unlock all 500+ flight deals to Houston and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from St. Louis to Houston
How much is a round trip from St. Louis to Houston
Regular price: $211 - $299
Prices for flights from St. Louis to Houston are currently below the regular range.
The regular price range for flights from St. Louis to Houston is $211 to $299. The current lowest deal is $160 with Frontier Airlines, for travel from Jul 7-Jul 14.
now $160
Low $211
High $299
The cheapest time to fly from St. Louis to Houston
The cheapest month to fly from St. Louis to Houston is December, with a median price of $116. The most expensive month is July, with a median price of $604. Prices are generally lower from January to December.
December
Flights from $116
July
Flights from $604
Direct flights from St. Louis to Houston
Southwest Airlines
United Airlines
Last-minute flights going from St. Louis to Houston
Wed, Jun 17
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$710
$566
One-way
Thu, Jun 18
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$702
$567
One-way
Fri, Jun 19
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$699
$567
One-way
Sun, Jun 21
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$706
$567
One-way
Mon, Jun 22
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$664
$502
One-way
Tue, Jun 23
STL - Houston
St. Louis (STL) - Houston (IAH)
Frontier Airlines
$581
$441
One-way
Biggest price drops on these dates for flights from St. Louis to Houston
Jun 27 - Jun 30
$573 → $360
37%
Jun 23 - Jun 24
$649 → $442
32%
Sep 7 - Sep 11
$362 → $187
48%
Jun 22 - Jun 23
$664 → $503
24%
Popular Airports to fly from St. Louis to Houston
St. Louis - Houston route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from St. Louis to Houston are above the typical level, with a median price of $337.
📅 Best time to fly
Fly in December for the best prices
Historically, December is the cheapest month to fly, with a median price of $116.
⏱️ Flight duration
Flights take 5h 19m on average
The typical flight duration from St. Louis to Houston is 5 hours and 19 minutes.
✈️ Airlines & availability
Mixed availability of direct flights
Approximately 49.9% of recent deals are for direct flights, with connecting flights having 2 stopovers.
🏆 Airline highlight
Frontier Airlines offers a current deal
Frontier Airlines has a recent deal for $160 from St. Louis to Houston.
🎯 Booking tip
Deals are frequent for this route
Deals for flights from St. Louis to Houston appear frequently, averaging 1.03 deals per day.
St. Louis main airports to depart from
St. Louis Lambert International (STL)
St. Louis Lambert International Airport is a good option for flights from St. Louis to Houston.
📍 ~20 km from St. Louis (reachable by car or train)
💸 Flights from ~$160
Houston main airports to arrive at
George Bush Intercontinental (IAH)
George Bush Intercontinental Airport serves Houston and is often a good option for flights from St. Louis.
📍 ~25 km from Houston (reachable by car)
💸 Flights from ~$160
William P. Hobby (HOU)
William P. Hobby Airport serves Houston and is a convenient choice for flights from St. Louis.
📍 ~15 km from Houston (reachable by car)
💸 Flights from ~$167
Airports nearby Houston used as alternative
Austin–Bergstrom International (AUS)
Austin–Bergstrom International offers extensive domestic and growing international routes, making it a practical alternative.
📍 ~225 km from Houston (reachable by car)
💸 Flights from ~$194
San Antonio International (SAT)
San Antonio International provides reliable service and competitive pricing for domestic routes, with direct highway access.
📍 ~300 km from Houston (reachable by car)
💸 Flights from ~$244
Dallas/Fort Worth International (DFW)
Dallas/Fort Worth International is a massive global hub offering extensive flight options to nearly any destination.
📍 ~385 km from Houston (reachable by car)
💸 Flights from ~$116
Dallas Love Field (DAL)
Dallas Love Field is a major domestic hub, especially useful for Southwest Airlines passengers, and easier to navigate.
📍 ~360 km from Houston (reachable by car)
💸 Flights from ~$199
Easterwood (CLL)
Easterwood is the closest geographical alternative for some Houston residents, offering very fast check-in and security.
📍 ~135 km from Houston (reachable by car)
💸 Flights from ~$476
Business & First Class Flight Deals to Houston
Discover luxury on the budget with premium cabin class on flights from St. Louis to Houston.
Elite
Best Elite deals to Houston
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From STL
Elite
Sep 04
Houston, United States
74% AI deal score
$3,224
$1,703
Save $1,521
From STL
Elite
Sep 04
Houston, United States
69% AI deal score
$2,983
$1,800
Save $1,183
From STL
Elite
Sep 25
Houston, United States
68% AI deal score
$3,203
$2,180
Save $1,023
From STL
Elite
Sep 14
Houston, United States
67% AI deal score
$2,996
$2,061
Save $935
From STL
Elite
Sep 12
Houston, United States
67% AI deal score
$2,999
$2,111
Save $888
From STL
Elite
Sep 16
Houston, United States
67% AI deal score
$3,009
$2,156
Save $853
From STL
Elite
Aug 09
Houston, United States
67% AI deal score
$803
$667
Save $136
From STL
Elite
Aug 06
Houston, United States
67% AI deal score
$801
$681
Save $120
From STL
Elite
Sep 12
Houston, United States
67% AI deal score
$735
$593
Save $142
From STL
Elite
Aug 09
Houston, United States
67% AI deal score
$795
$638
Save $157
From STL
Elite
Aug 22
Houston, United States
67% AI deal score
$807
$652
Save $155
From STL
Elite
Aug 12
Houston, United States
66% AI deal score
$2,502
$2,043
Save $459
From STL
Elite
Jul 24
Houston, United States
66% AI deal score
$2,464
$2,063
Save $401
From STL
Elite
Aug 12
Houston, United States
66% AI deal score
$2,686
$2,192
Save $494
From STL
Elite
Sep 30
Houston, United States
66% AI deal score
$2,989
$2,383
Save $606
From STL
Elite
Jul 07
Houston, United States
66% AI deal score
$740
$657
Save $83
From STL
Elite
Aug 24
Houston, United States
66% AI deal score
$758
$670
Save $88
From STL
Elite
Sep 05
Houston, United States
66% AI deal score
$752
$638
Save $114
From STL
Elite
Aug 22
Houston, United States
66% AI deal score
$770
$652
Save $118
From STL
Elite
Sep 04
Houston, United States
66% AI deal score
$763
$652
Save $111
From STL
Elite
Aug 06
Houston, United States
66% AI deal score
$787
$663
Save $124
From STL
Elite
Aug 21
Houston, United States
65% AI deal score
$2,541
$2,129
Save $412
From STL
Elite
Sep 23
Houston, United States
65% AI deal score
$668
$611
Save $57
From STL
Elite
Oct 09
Houston, United States
65% AI deal score
$739
$670
Save $69
From STL
Elite
Aug 07
Houston, United States
65% AI deal score
$801
$726
Save $75
From STL
Elite
Oct 09
Houston, United States
65% AI deal score
$748
$652
Save $96
From STL
Elite
Jul 15
Houston, United States
50% AI deal score
$692
$646
Save $46
From STL
Elite
Aug 28
Houston, United States
50% AI deal score
$775
$715
Save $60
From STL
Elite
Jul 29
Houston, United States
49% AI deal score
$2,450
$2,192
Save $258
From STL
Elite
Jul 21
Houston, United States
49% AI deal score
$2,464
$2,192
Save $272
From STL
Elite
Aug 10
Houston, United States
49% AI deal score
$2,509
$2,320
Save $189
From STL
Elite
Nov 17
Houston, United States
49% AI deal score
$617
$579
Save $38
From STL
Elite
Aug 01
Houston, United States
49% AI deal score
$751
$583
Save $168
From STL
Elite
Sep 23
Houston, United States
49% AI deal score
$744
$693
Save $51
From STL
Elite
Jul 31
Houston, United States
48% AI deal score
$2,460
$2,413
Save $47
From STL
Elite
Jul 24
Houston, United States
48% AI deal score
$2,446
$2,444
Save $2
From STL
Elite
Jul 24
Houston, United States
48% AI deal score
$2,594
$2,506
Save $88
From STL
Elite
Sep 12
Houston, United States
48% AI deal score
$632
$611
Save $21
From STL
Elite
Sep 05
Houston, United States
48% AI deal score
$682
$656
Save $26
From STL
Elite
Jul 22
Houston, United States
48% AI deal score
$673
$656
Save $17
From STL
Elite
Jul 07
Houston, United States
48% AI deal score
$567
$559
Save $8
From STL
Elite
Aug 27
Houston, United States
48% AI deal score
$790
$652
Save $138
From STL
Elite
Jul 15
Houston, United States
47% AI deal score
$657
From STL
Elite
Jul 01
Houston, United States
47% AI deal score
$698
$690
Save $8
From STL
Elite
Jul 31
Houston, United States
47% AI deal score
$715
From STL
Elite
Jul 17
Houston, United States
47% AI deal score
$716
$715
Save $1
From STL
Elite
Jul 20
Houston, United States
47% AI deal score
$715
From STL
Elite
Aug 01
Houston, United States
47% AI deal score
$730
$726
Save $4
From STL
Elite
Jul 19
Houston, United States
47% AI deal score
$726
From STL
Elite
Jul 05
Houston, United States
47% AI deal score
$760
From STL
Elite
Jul 01
Houston, United States
47% AI deal score
$783
From STL
Elite
Jul 15
Houston, United States
47% AI deal score
$639
From STL
Elite
Aug 06
Houston, United States
47% AI deal score
$763
$652
Save $111
From STL
Elite
Dec 10
Houston, United States
47% AI deal score
$652
From STL
Elite
Jul 03
Houston, United States
47% AI deal score
$662
From STL
Elite
Jul 01
Houston, United States
47% AI deal score
$672
From STL
Elite
Jul 24
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 31
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 31
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 17
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 20
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 24
Houston, United States
47% AI deal score
$697
From STL
Elite
Jul 29
Houston, United States
46% AI deal score
$690
From STL
Elite
Sep 19
Houston, United States
46% AI deal score
$727
$652
Save $75
From STL
Elite
Sep 13
Houston, United States
45% AI deal score
$720
From STL
Elite
Aug 14
Houston, United States
45% AI deal score
$762
$697
Save $65
From STL
Elite
Jul 18
Houston, United States
44% AI deal score
$578
$559
Save $19
From STL
Elite
Aug 21
Houston, United States
44% AI deal score
$793
$758
Save $35
From STL
Elite
Sep 04
Houston, United States
43% AI deal score
$681
$670
Save $11
From STL
Elite
Jul 17
Houston, United States
43% AI deal score
$628
From STL
Elite
Jul 22
Houston, United States
43% AI deal score
$638
From STL
Elite
Jul 24
Houston, United States
43% AI deal score
$697
From STL
Elite
Jul 30
Houston, United States
43% AI deal score
$697
From STL
Elite
Jun 30
Houston, United States
42% AI deal score
$1,123
From STL
Elite
Jul 06
Houston, United States
42% AI deal score
$719
From STL
Elite
Jul 10
Houston, United States
42% AI deal score
$719
From STL
Elite
Jul 01
Houston, United States
42% AI deal score
$742
From STL
Elite
Jul 03
Houston, United States
42% AI deal score
$765
From STL
Elite
Jun 24
Houston, United States
42% AI deal score
$963
From STL
Elite
Jun 25
Houston, United States
42% AI deal score
$963
From STL
Elite
Jun 26
Houston, United States
42% AI deal score
$963
From STL
Elite
Jun 26
Houston, United States
42% AI deal score
$963
From STL
Elite
Jun 26
Houston, United States
42% AI deal score
$963
From STL
Elite
Jun 20
Houston, United States
42% AI deal score
$967
From STL
Elite
Jun 17
Houston, United States
42% AI deal score
$1,066
From STL
Elite
Jun 19
Houston, United States
42% AI deal score
$1,066
From STL
Elite
Jun 19
Houston, United States
42% AI deal score
$1,066
From STL
Elite
Jun 20
Houston, United States
42% AI deal score
$1,066
From STL
Elite
Jun 22
Houston, United States
42% AI deal score
$1,066
From STL
Elite
Jun 17
Houston, United States
42% AI deal score
$1,169
From STL
Elite
Jun 18
Houston, United States
42% AI deal score
$1,169
From STL
Elite
Jun 19
Houston, United States
42% AI deal score
$1,169
From STL
Elite
Jul 01
Houston, United States
41% AI deal score
$1,123
From STL
Elite
Jul 04
Houston, United States
41% AI deal score
$1,150