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

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Low fare calendar for flights from Saint Louis (STL) to Seattle (SEA)

Sunday
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Tuesday
Wednesday
Thursday
Friday
Saturday
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from
$214*
Viewed:13 hours ago
Economy
Return:12/30/19
17
from
$436*
Viewed:13 hours ago
Economy
Return:12/24/19
18
from
$436*
Viewed:13 hours ago
Economy
Return:01/01/20
19
from
$436*
Viewed:13 hours ago
Economy
Return:12/26/19
20
from
$214*
Viewed:13 hours ago
Economy
Return:01/03/20
21
from
$214*
Viewed:13 hours ago
Economy
Return:12/28/19
22
from
$436*
Viewed:13 hours ago
Economy
Return:12/29/19
23
from
$214*
Viewed:13 hours ago
Economy
Return:12/30/19
24
from
$214*
Viewed:13 hours ago
Economy
Return:01/07/20
25
from
$214*
Viewed:13 hours ago
Economy
Return:01/08/20
26
from
$436*
Viewed:13 hours ago
Economy
Return:01/02/20
27
from
$214*
Viewed:13 hours ago
Economy
Return:01/03/20
28
from
$436*
Viewed:13 hours ago
Economy
Return:01/04/20
29
No available fares
30
from
$214*
Viewed:13 hours ago
Economy
Return:01/13/20
31
from
$214*
Viewed:13 hours ago
Economy
Return:01/14/20
from
$214*
Viewed:13 hours ago
Economy
Return:01/08/20
from
$214*
Viewed:13 hours ago
Economy
Return:01/09/20
from
$214*
Viewed:13 hours ago
Economy
Return:01/10/20
from
$214*
Viewed:13 hours ago
Economy
Return:01/18/20
Lowest PriceToday
*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.

Looking for additional flights from Saint Louis to Seattle?

FromToDatesFare TypePrice

Saint Louis (STL)

Seattle (SEA)

Depart: 01/03/20

Return: 01/10/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 12/27/19

Return: 01/03/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 01/02/20

Return: 01/09/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 01/07/20

Return: 01/14/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 01/01/20

Return: 01/08/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 01/12/20

Return: 01/19/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 01/11/20

Return: 01/18/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 12/16/19

Return: 12/30/19

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 12/20/19

Return: 01/03/20

Roundtrip
from
USD214*
Viewed:13hoursago

Saint Louis (STL)

Seattle (SEA)

Depart: 12/25/19

Return: 01/08/20

Roundtrip
from
USD214*
Viewed:13hoursago

*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 Seattle

Sunday light rain
41°F 12/15/19
Monday overcast clouds
39°F 12/16/19
Tuesday overcast clouds
45°F 12/17/19
Wednesday moderate rain
41°F 12/18/19
Thursday heavy intensity rain
41°F 12/19/19
Friday heavy intensity rain
47°F 12/20/19
Saturday heavy intensity rain
46°F 12/21/19
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