Round-trip from | $397 |
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Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Portland, Maine to Idaho Falls by exploring options for tickets in the morning.
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Currently, December is the cheapest month in which you can book a flight from Portland, Maine to Idaho Falls (average of $397). Flying from Portland, Maine to Idaho Falls in July is currently the most expensive (average of $622). 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.
January
$469
February
$446
March
$535
April
$467
May
$494
June
$614
July
$622
August
$555
September
$532
October
$485
November
$456
December
$397
IDA Temperature | 23 - 69.8 °F |
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