
Round-trip from | $237 (Delta) |
|---|---|
One-way from | $131 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $285 |
Fly from
Fly to
Route
Depart
Return
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Tue 4/14
5:24 am-4:45 pm
2 stops10h 21m
Portland
Tue 4/21
12:46 pm-11:59 pm
2 stops12h 13m
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Tue 6/2
2:20 pm-11:09 pm
1 stop7h 49m
Portland
Thu 6/4
2:05 pm-9:25 pm
1 stop8h 20m
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Fri 6/5
2:31 pm-11:51 pm
1 stop8h 20m
Portland
Sun 6/7
5:15 am-10:59 am
1 stop6h 44m
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Mon 8/17
1:15 pm-11:59 pm
2 stops9h 44m
Portland
Mon 8/24
6:00 am-12:07 pm
1 stop7h 07m
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Wed 7/29
1:15 pm-11:59 pm
2 stops9h 44m
Portland
Wed 8/5
6:30 am-4:32 pm
2 stops11h 02m
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Fri 5/8
2:45 pm-11:25 pm
2 stops7h 40m
Portland
Sun 5/10
4:20 pm-10:25 pm
1 stop7h 05m
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Sun 4/12
8:40 am-3:45 pm
1 stop6h 05m
Portland
Thu 4/30
2:50 pm-12:05 am
1 stop10h 15m
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Mon 6/1
5:30 am-2:10 pm
1 stop7h 40m
Portland
Sat 6/6
3:55 pm-11:00 pm
1 stop8h 05m
HoustonPortland
IAH - PWM
IAHPWM
Houston George Bush Intcntl
Wed 7/1
1:15 pm-11:59 pm
2 stops9h 44m
Portland
Tue 7/7
6:50 pm-11:57 pm
1 stop6h 07m
HoustonPortland
HOU - PWM
HOUPWM
Houston Hobby
Sat 5/23
1:20 pm-11:10 pm
1 stop8h 50m
Portland
Wed 5/27
1:00 pm-7:10 pm
1 stop7h 10m
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Portland, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Houston to Portland, Maine (average of $117). Flying from Houston to Portland, Maine in November is currently the most expensive (average of $190). 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.
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Comfort
Food
Overall
Boarding
Reviews
Scott,Feb 2026
HOU - FLL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$191 | Average$477 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$256 | Average$370 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$464 | FlexibilityNo cancel fee | On-time69% |