Travelers have found it’s best to book a flight 37 days in advance to save up to 79% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Maine 1-2 weeks in advance for as low as $608, or $754 for flights within the next 24 hours.
Flights from St. Louis to Maine lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Maine in February, with the cheapest ticket starting at $171.
When flying from St. Louis to Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$149 - $446
Route
Depart
Return
Price
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
mån 9/23
1 stop10h 42m
Portland
tors 9/26
1 stop20h 16m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
mån 9/23
1 stop10h 42m
Portland
tors 9/26
1 stop20h 16m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
ons 9/4
1 stop4h 44m
Portland
ons 9/11
1 stop7h 07m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
tis 9/10
1 stop4h 47m
Portland
tis 9/17
1 stop4h 50m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
ons 9/4
1 stop4h 23m
Portland
lör 9/7
1 stop5h 42m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
tors 6/13
1 stop5h 59m
Portland
ons 6/19
1 stop4h 59m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
tis 6/4
1 stop4h 32m
Portland
tors 6/6
1 stop6h 43m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
sön 6/9
1 stop14h 14m
Portland
sön 6/16
3 stops23h 51m
Lambert-St LouisPortland
STL - PWM
STLPWM
Lambert-St Louis
ons 9/4
2 stops13h 29m
Portland
ons 9/11
1 stop8h 01m
No data available for this route at this time. Please check back soon.
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Terrible flight crew that skipped our row for service multiple times.
Overall
Comfort
Crew
Food
Entertainment
Boarding
Reviews
Terrible flight crew that skipped our row for service multiple times.
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