Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on short flights.
Spirit's self-service bag drop saves time; print your boarding pass ahead to avoid charges.

Round-trip from | $110 (Kiwi.com) |
|---|---|
One-way from | $57 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $197 |
Fly from
Fly to
Route
Depart
Return
Price
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Thu 1/15
5:45 am-12:19 am
1 stop18h 34m
Houston George Bush Intcntl
Mon 1/19
4:15 pm-7:06 am
1 stop14h 51m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Thu 1/15
12:18 pm-1:35 pm
Nonstop1h 17m
Houston George Bush Intcntl
Sat 1/17
12:00 pm-1:25 pm
Nonstop1h 25m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Sat 1/24
7:00 am-8:20 am
Nonstop1h 20m
Houston George Bush Intcntl
Sat 1/31
12:00 pm-1:25 pm
Nonstop1h 25m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Wed 1/14
5:11 pm-6:34 pm
Nonstop1h 23m
Houston George Bush Intcntl
Sat 1/17
9:59 am-11:28 am
Nonstop1h 29m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Thu 1/15
9:13 am-10:32 am
Nonstop1h 19m
Houston George Bush Intcntl
Mon 1/19
5:00 am-6:20 am
Nonstop1h 20m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Mon 1/5
5:35 am-9:03 am
3 stops27h 28m
Houston George Bush Intcntl
Mon 1/12
12:16 pm-12:20 am
2 stops12h 04m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Sat 1/31
5:19 am-6:33 am
Nonstop1h 14m
Houston George Bush Intcntl
Sun 2/1
2:40 pm-4:00 pm
Nonstop1h 20m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Sat 1/17
7:00 am-8:20 am
Nonstop1h 20m
Houston George Bush Intcntl
Sun 1/25
9:54 pm-11:13 pm
Nonstop1h 19m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Fri 2/6
7:00 am-8:20 am
Nonstop1h 20m
Houston George Bush Intcntl
Mon 2/9
6:35 pm-8:03 pm
Nonstop1h 28m
DallasHouston
DFW - IAH
DFWIAH
Dallas/Fort Worth
Sun 1/25
12:18 pm-1:35 pm
Nonstop1h 17m
Houston George Bush Intcntl
Mon 1/26
8:09 pm-9:34 pm
Nonstop1h 25m
Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Houston George Bush Intcntl Airport. 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 Dallas to Houston George Bush Intcntl Airport (average of $37). Flying from Dallas to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $204). 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.
A simple way to save on the total cost of your ticket is to fly from Dallas to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Dallas to Houston George Bush Intcntl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from A78 to IAH are scheduled on a Sunday (74 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (51 on average).
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Sunderesh,Dec 2025
AUS - EWR
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Sunderesh,Dec 2025
AUS - EWR
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Sunderesh,Dec 2025
AUS - EWR
Overall
Crew
Comfort
Boarding
Food
Entertainment
Reviews
Sunderesh,Dec 2025
AUS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$113 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$91 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$97 | Average$294 | FlexibilityNo cancel fee | On-time69% |