Check the IAH website for security checkpoint wait times to ensure a smooth departure process.

Round-trip from | $278 (Kiwi.com) |
|---|---|
One-way from | $195 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $508 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Thu 1/29
7:00 am-3:11 pm
1 stop6h 11m
Saint Thomas Island Cyril E King
Sun 2/1
1:33 pm-8:33 pm
1 stop9h 00m
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Sat 11/22
5:34 am-4:49 pm
1 stop9h 15m
Saint Thomas Island Cyril E King
Wed 11/26
2:00 pm-12:41 am
1 stop12h 41m
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Thu 12/18
7:45 pm-2:28 pm
1 stop16h 43m
Saint Thomas Island Cyril E King
Sun 12/21
3:23 pm-10:36 pm
1 stop9h 13m
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Sat 11/22
5:34 am-4:49 pm
1 stop9h 15m
Saint Thomas Island Cyril E King
Wed 11/26
2:00 pm-10:32 am
2 stops22h 32m
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Sat 12/20
9:34 pm-2:28 pm
1 stop14h 54m
Saint Thomas Island Cyril E King
Tue 12/23
12:31 pm-5:50 pm
1 stop7h 19m
HoustonSaint Thomas Island
IAH - STT
IAHSTT
Houston George Bush Intcntl
Wed 12/24
3:09 pm-11:31 am
2 stops18h 22m
Saint Thomas Island Cyril E King
Wed 12/31
12:31 pm-11:59 pm
2 stops13h 28m
HoustonSaint Thomas Island
HOU - STT
HOUSTT
Houston Hobby
Wed 12/31
5:40 am-5:39 pm
2 stops9h 59m
Saint Thomas Island Cyril E King
Thu 1/8
6:39 pm-10:05 am
2 stops17h 26m
HoustonSaint Thomas Island
HOU - STT
HOUSTT
Houston Hobby
Wed 12/31
6:00 am-4:25 pm
1 stop8h 25m
Saint Thomas Island Cyril E King
Thu 1/8
4:15 pm-10:35 pm
1 stop8h 20m
HoustonSaint Thomas Island
HOU - STT
HOUSTT
Houston Hobby
Tue 3/10
6:00 am-1:55 pm
1 stop6h 55m
Saint Thomas Island Cyril E King
Wed 3/11
2:00 pm-9:46 pm
1 stop8h 46m
HoustonSaint Thomas Island
HOU - STT
HOUSTT
Houston Hobby
Tue 3/10
6:06 am-4:15 pm
2 stops9h 09m
Saint Thomas Island Cyril E King
Wed 3/11
3:31 pm-11:43 pm
1 stop9h 12m
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Houston to Saint Thomas Island (average of $190). Flying from Houston to Saint Thomas Island in June is currently the most expensive (average of $329). 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.
It’s optimal to fly from Houston to Saint Thomas Island in the evening. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Houston to Saint Thomas Island flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Lane,Nov 2025
MEM - ATL
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Lane,Nov 2025
MEM - ATL
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Lane,Nov 2025
MEM - ATL
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Lane,Nov 2025
MEM - ATL
Entertainment
Overall
Food
Crew
Boarding
Comfort
Reviews
Lane,Nov 2025
MEM - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$187 | Average$327 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$307 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$535 | Average$750 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$543 | Average$629 | FlexibilityNo cancel fee | On-time71% |