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United flights from Portland, OR to Saint Louis starting at

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Low fare calendar for flights from Portland, OR (PDX) to Saint Louis (STL)

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$552 Price subject to changes
Viewed:17 hours ago
Economy
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$464 Price subject to changes
Viewed:7 hours ago
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$434 Price subject to changes
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$444 Price subject to changes
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$444 Price subject to changes
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$444 Price subject to changes
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$396 Price subject to changes
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$394 Price subject to changes
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$374 Price subject to changes
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$374 Price subject to changes
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$374 Price subject to changes
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$396 Price subject to changes
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$404 Price subject to changes
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$252 Price subject to changes
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$457 Price subject to changes
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$254 Price subject to changes
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$242 Price subject to changes
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$252 Price subject to changes
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$254 Price subject to changes
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$262 Price subject to changes
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$222 Price subject to changes
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$484 Price subject to changes
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$244 Price subject to changes
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$222 Price subject to changes
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$244 Price subject to changes
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$222 Price subject to changes
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$262 Price subject to changes
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$222 Price subject to changes
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$262 Price subject to changes
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$232 Price subject to changes
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$222 Price subject to changes
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$222 Price subject to changes
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$222 Price subject to changes
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$262 Price subject to changes
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$222 Price subject to changes
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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 Portland, OR (PDX) to Saint Louis (STL) flights

FromToDatesFare TypePrice

Portland, OR (PDX)

Saint Louis (STL)

Depart: 10/27/20

Return: 11/03/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 10/28/20

Return: 11/04/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 10/29/20

Return: 11/05/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 10/31/20

Return: 11/07/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/02/20

Return: 11/09/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/03/20

Return: 11/10/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/04/20

Return: 11/11/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/05/20

Return: 11/12/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/07/20

Return: 11/14/20

Roundtrip
from
$222*
Viewed:16hoursago

Portland, OR (PDX)

Saint Louis (STL)

Depart: 11/09/20

Return: 11/16/20

Roundtrip
from
$222*
Viewed:16hoursago

*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 Saint Louis

Saturday few clouds
79°F 09/26/20
Sunday light rain
81°F 09/27/20
Monday heavy intensity rain
65°F 09/28/20
Tuesday sky is clear
62°F 09/29/20
Wednesday few clouds
70°F 09/30/20
Thursday sky is clear
61°F 10/01/20
Friday few clouds
58°F 10/02/20
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