Book United Seattle to St. Louis flight deals from $294

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Search flights from Seattle to St. Louis (SEA - STL)

September

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Tuesday 11th

Return Wednesday 26th
from$ 294*Viewed: 1 hour ago

Tuesday 18th

Return Wednesday 3rd
from$ 294*Viewed: 1 hour ago

Friday 21st

Return Saturday 6th
from$ 304*Viewed: 1 hour ago

October

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Tuesday 2nd

Return Wednesday 17th
from$ 294*Viewed: 1 hour ago

Tuesday 9th

Return Wednesday 24th
from$ 294*Viewed: 1 hour ago

Tuesday 30th

Return Wednesday 14th
from$ 294*Viewed: 1 hour ago

November

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Saturday 3rd

Return Sunday 18th
from$ 314*Viewed: 1 hour ago

Wednesday 7th

Return Thursday 22nd
from$ 318*Viewed: 1 hour ago

Wednesday 14th

Return Thursday 29th
from$ 314*Viewed: 1 hour ago
**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..
A view of the St. Louis Arch

Plan ahead for flights from Seattle to St. Louis

from
to
Type
Dates
Price*
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 11 Sep 2018
Return Wed 26 Sep 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 18 Sep 2018
Return Wed 3 Oct 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 2 Oct 2018
Return Wed 17 Oct 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 9 Oct 2018
Return Wed 24 Oct 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 16 Oct 2018
Return Wed 31 Oct 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 23 Oct 2018
Return Wed 7 Nov 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Tue 30 Oct 2018
Return Wed 14 Nov 2018
from$ 294*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Wed 12 Sep 2018
Return Thu 27 Sep 2018
from$ 304*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Fri 14 Sep 2018
Return Sat 29 Sep 2018
from$ 304*Viewed: 1 hour ago
Seattle (SEA)
to St. Louis (STL)
Roundtrip
Depart Fri 21 Sep 2018
Return Sat 6 Oct 2018
from$ 304*Viewed: 1 hour ago
*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 St. Louis

72 °FSaturday08/18/2018
82 °FSunday08/19/2018
82 °FMonday08/20/2018
76 °FTuesday08/21/2018
71 °FWednesday08/22/2018
77 °FThursday08/23/2018
78 °FFriday08/24/2018
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