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Get United's best fares today on flights from Saint Louis to Portland from *

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FromToDatesFare TypePrice

Saint Louis (STL)

Portland (PWM)

Depart: 12/14/19

Return: 12/28/19

Roundtrip
from
$502*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 12/15/19

Return: 12/29/19

Roundtrip
from
$584*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 12/17/19

Return: 12/31/19

Roundtrip
from
$331*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 01/02/20

Return: 01/16/20

Roundtrip
from
$311*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 12/19/19

Return: 01/02/20

Roundtrip
from
$515*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 12/18/19

Return: 01/01/20

Roundtrip
from
$414*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 02/11/20

Return: 02/25/20

Roundtrip
from
$234*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 01/05/20

Return: 01/19/20

Roundtrip
from
$334*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 01/08/20

Return: 01/22/20

Roundtrip
from
$234*
Viewed:1hourago

Saint Louis (STL)

Portland (PWM)

Depart: 12/28/19

Return: 01/11/20

Roundtrip
from
$490*
Viewed:1hourago

*Prices have been available for round trips within the last 48 hours and may not be currently available. 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

Monday heavy intensity rain
49°F 12/09/19
Tuesday light rain
54°F 12/10/19
Wednesday snow
27°F 12/11/19
Thursday sky is clear
22°F 12/12/19
Friday light rain
31°F 12/13/19
Saturday heavy intensity rain
48°F 12/14/19
Sunday sky is clear
44°F 12/15/19
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