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United flights from Saint Louis to Portland, ME starting at

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Low fare calendar for flights from Saint Louis (STL) to Portland, ME (PWM)

Sunday
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$696 Price subject to changes
Viewed:20 hours ago
Economy
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$1,379 Price subject to changes
Viewed:1 hour ago
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$552 Price subject to changes
Viewed:1 hour ago
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$607 Price subject to changes
Viewed:1 hour ago
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$637 Price subject to changes
Viewed:10 hours ago
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$500 Price subject to changes
Viewed:10 hours ago
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$445 Price subject to changes
Viewed:1 hour ago
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$578 Price subject to changes
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$495 Price subject to changes
Viewed:10 hours ago
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$505 Price subject to changes
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$415 Price subject to changes
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$417 Price subject to changes
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$377 Price subject to changes
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$332 Price subject to changes
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$361 Price subject to changes
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$300 Price subject to changes
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$254 Price subject to changes
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$260 Price subject to changes
Viewed:10 hours ago
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$242 Price subject to changes
Viewed:10 hours ago
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$222 Price subject to changes
Viewed:10 hours ago
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$222 Price subject to changes
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$260 Price subject to changes
Viewed:10 hours ago
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$234 Price subject to changes
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$254 Price subject to changes
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$202 Price subject to changes
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$242 Price subject to changes
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$202 Price subject to changes
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$202 Price subject to changes
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$202 Price subject to changes
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$202 Price subject to changes
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$242 Price subject to changes
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$202 Price subject to changes
Viewed:10 hours ago
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Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

More United deals on Saint Louis (STL) to Portland, ME (PWM) flights

FromToDatesFare TypePrice

Saint Louis (STL)

Portland, ME (PWM)

Depart: 10/31/20

Return: 11/14/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/02/20

Return: 11/16/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/03/20

Return: 11/17/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/04/20

Return: 11/18/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/05/20

Return: 11/19/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/07/20

Return: 11/21/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/09/20

Return: 11/23/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/12/20

Return: 11/26/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 10/31/20

Return: 11/07/20

Roundtrip
from
$202*
Viewed:10hoursago

Saint Louis (STL)

Portland, ME (PWM)

Depart: 11/02/20

Return: 11/09/20

Roundtrip
from
$202*
Viewed:10hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Portland, ME

Wednesday moderate rain
69°F 09/30/20
Thursday sky is clear
66°F 10/01/20
Friday moderate rain
59°F 10/02/20
Saturday light rain
58°F 10/03/20
Sunday light rain
57°F 10/04/20
Monday light rain
58°F 10/05/20
Tuesday light rain
56°F 10/06/20
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