Spirit's Big Front Seats offer 11 inches more legroom and larger tray tables.
Spirit's self-service bag drop saves time; print your boarding pass in advance.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $74 (Frontier) |
One-way from | $43 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $188 |
Good round-trip deal | $163 or less |
Good one-way deal | $88 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Wed 1/7
4:10 pm-7:45 pm
Nonstop2h 35m
Miami
Sun 1/11
9:53 pm-11:59 pm
Nonstop3h 06m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sun 1/18
9:02 am-12:30 pm
Nonstop2h 28m
Miami
Thu 1/22
5:35 am-3:19 pm
1 stop10h 44m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sat 11/15
3:13 pm-6:44 pm
Nonstop2h 31m
Miami
Mon 11/24
12:28 pm-5:26 pm
1 stop5h 58m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Thu 1/29
6:05 pm-12:26 am
1 stop5h 21m
Miami
Sun 2/1
7:05 am-3:19 pm
1 stop9h 14m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sat 1/10
8:30 am-12:32 am
1 stop15h 02m
Miami
Sun 1/18
5:35 am-5:13 pm
1 stop12h 38m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sat 1/17
6:58 pm-10:35 pm
Nonstop2h 37m
Miami
Tue 1/20
6:20 am-8:22 am
Nonstop3h 02m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Tue 12/2
9:31 am-4:28 pm
1 stop5h 57m
Miami
Tue 12/9
3:00 pm-8:53 pm
1 stop6h 53m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sat 1/10
7:37 am-11:12 am
Nonstop2h 35m
Miami
Sun 1/18
8:20 am-10:28 am
Nonstop3h 08m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Wed 12/3
9:36 am-1:13 pm
Nonstop2h 37m
Miami
Fri 12/5
9:00 am-10:59 am
Nonstop2h 59m
HoustonMiami
IAH - MIA
IAHMIA
Houston George Bush Intcntl
Sat 11/15
6:10 am-5:25 pm
1 stop10h 15m
Miami
Mon 11/17
8:00 am-10:07 am
Nonstop3h 07m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Houston George Bush Intcntl Airport to Miami is 20 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.
Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Miami (average of $50). Flying from Houston George Bush Intcntl Airport to Miami in December is currently the most expensive (average of $107). 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.
When flying from Houston George Bush Intcntl Airport to Miami, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 67% versus a flight in the morning.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Miami flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 15% of weekly flights between Houston and Miami have experienced delays in the past year, with the average delay time being 147 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, La Costena have had the lowest number of delays on this route, with no flights being classified as delayed.
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
Boarding
Entertainment
Crew
Comfort
Food
Overall
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$147 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$70 | Average$162 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$117 | Average$284 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$144 | Average$321 | FlexibilityNo cancel fee | On-time69% |