
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $281 (American Airlines) | 
| Popular in | March | 
| Cheapest in | September | 
| Average price | $313 | 
Fly from
Fly to
Route
Depart
Return
Price
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Sat 1/17
10:32 am-4:38 pm
2 stops6h 06m
Portland
Tue 1/20
12:35 pm-5:56 pm
1 stop5h 21m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Wed 12/24
10:43 am-4:39 pm
1 stop5h 56m
Portland
Mon 1/5
5:20 pm-10:35 pm
1 stop5h 15m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Mon 12/8
4:45 pm-10:15 pm
1 stop5h 30m
Portland
Mon 12/15
5:30 am-10:00 am
1 stop4h 30m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Mon 12/8
11:42 am-11:59 pm
2 stops12h 17m
Portland
Mon 12/15
2:34 pm-11:40 pm
2 stops9h 06m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Thu 12/4
7:25 am-12:13 pm
1 stop4h 48m
Portland
Sun 12/7
6:08 am-11:15 am
1 stop5h 07m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Fri 12/12
7:39 pm-11:37 pm
1 stop3h 58m
Portland
Mon 1/5
5:20 pm-10:35 pm
1 stop5h 15m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Thu 1/22
3:05 pm-10:29 pm
1 stop7h 24m
Portland
Sun 1/25
5:56 pm-10:44 pm
1 stop4h 48m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Thu 1/22
6:00 am-12:05 pm
1 stop6h 05m
Portland
Sun 1/25
3:56 pm-11:26 pm
2 stops7h 30m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Fri 11/28
6:22 pm-10:54 pm
1 stop4h 32m
GreenvillePortland
GSP - PWM
GSPPWM
Greenville
Fri 11/28
4:04 pm-5:38 pm
3 stops25h 34m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | 
The best time to book flights from Greenville to Portland, Maine is 32 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, November is the cheapest month in which you can book a flight from Greenville to Portland, Maine (average of $58). Flying from Greenville to Portland, Maine in October is currently the most expensive (average of $90). 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.
One of the essential ways to save on airfare from Greenville to Portland, Maine is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Anonymous,Jul 2025
RIC - BDL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$98 | Average$253 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$409 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$280 | Average$476 | FlexibilityNo cancel fee | On-time69% |