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United flights from Washington, D.C. to Saint Louis starting at

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Low fare calendar for flights from Washington, D.C. (IAD) to Saint Louis (STL)

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$691 Price subject to changes
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$201 Price subject to changes
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$201 Price subject to changes
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$197 Price subject to changes
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$206 Price subject to changes
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$206 Price subject to changes
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$281 Price subject to changes
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$286 Price subject to changes
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$201 Price subject to changes
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$177 Price subject to changes
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$181 Price subject to changes
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$181 Price subject to changes
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$221 Price subject to changes
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$262 Price subject to changes
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$221 Price subject to changes
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$201 Price subject to changes
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$375 Price subject to changes
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$288 Price subject to changes
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$221 Price subject to changes
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$429 Price subject to changes
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$177 Price subject to changes
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$177 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 Washington, D.C. (IAD) to Saint Louis (STL) flights

FromToDatesFare TypePrice

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 12/29/20

Return: 01/05/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 12/30/20

Return: 01/06/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 12/31/20

Return: 01/07/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/04/21

Return: 01/11/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/05/21

Return: 01/12/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/06/21

Return: 01/13/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/07/21

Return: 01/14/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/09/21

Return: 01/16/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/13/21

Return: 01/20/21

Roundtrip
from
$177*
Viewed:9hoursago

Washington, D.C. (IAD)

Saint Louis (STL)

Depart: 01/14/21

Return: 01/21/21

Roundtrip
from
$177*
Viewed:9hoursago

*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

Wednesday light rain
52°F 10/28/20
Thursday heavy intensity rain
49°F 10/29/20
Friday sky is clear
51°F 10/30/20
Saturday sky is clear
58°F 10/31/20
Sunday sky is clear
49°F 11/01/20
Monday sky is clear
47°F 11/02/20
Tuesday sky is clear
58°F 11/03/20
Powered by: OpenWeatherMap.org