$137 Economy Roundtrip to Seattle (STL-SEA) in Oct from St Louis

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$137 Economy Roundtrip to Seattle (STL-SEA) in Oct from St Louis

Best Flights starting from $137

from$137economy

St Louis (STL)

Mon, Oct 26

Roundtrip

Seattle (SEA)

Mon, Nov 16

Fields updated — click View Prices to search ↑

Other Options for This Route

SEA destination

Economy One-way to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in May from $106

SEA destination

Economy Roundtrip to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in May from $203

SEA destination

Economy Roundtrip to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in June from $230

SEA destination

Economy Roundtrip to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in July from $226

SEA destination

Economy Roundtrip to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in August from $254

SEA destination

Economy Roundtrip to Seattle (SEA)

St Louis (STL) to Seattle (SEA) in September from $279

Other Destinations

PNS destination

Economy One-way to Pensacola (PNS)

St Louis (STL) to Pensacola (PNS) in October from $111

MIAA destination

Economy One-way to Miami (Any)

St Louis (STL) to Miami (Any) in October from $121

PHL destination

Economy One-way to Philadelphia (PHL)

St Louis (STL) to Philadelphia (PHL) in October from $131

OMA destination

Economy One-way to Omaha (OMA)

St Louis (STL) to Omaha (OMA) in October from $132

MCO destination

Economy Roundtrip to Orlando (MCO)

St Louis (STL) to Orlando (MCO) in October from $138

LAXA destination

Economy One-way to Los Angeles (Any)

St Louis (STL) to Los Angeles (Any) in October from $139

Flights from Other Cities

SEA destination

Economy One-way to Seattle (SEA)

Ontario (ONT) to Seattle (SEA) in October from $49

SEA destination

Economy One-way to Seattle (SEA)

Washington, D.C. (Any) to Seattle (SEA) in October from $74

SEA destination

Economy Roundtrip to Seattle (SEA)

Los Angeles (LAX) to Seattle (SEA) in October from $84

SEA destination

Economy One-way to Seattle (SEA)

Las Vegas (Any) to Seattle (SEA) in October from $109

SEA destination

Economy Roundtrip to Seattle (SEA)

Denver (DEN) to Seattle (SEA) in October from $118

SEA destination

Economy One-way to Seattle (SEA)

Dallas (DFW) to Seattle (SEA) in October from $119

Cheap economy Class Flights from St Louis (STL) to Seattle (SEA) October

Find the best deals on economy class flights. Compare prices for direct flights, one-stop, and multi-stop options.

Cheap economy Flights: STL to SEA in October - Route 1

Starting from $137

Flight Options & Prices:

Direct Flights: From $383 - Fastest option with no layovers
One-Stop Flights: From $137 - Good value with one connection
Multi-Stop Flights: From $137 - Cheapest option with multiple connections

Book your economy class flight from St Louis (STL) to Seattle (SEA)and save money on your travel. Compare all flight options to find the best deal for your october trip.

Why Choose Economy Class Flights from St Louis (STL) to Seattle (SEA)?

Compare prices from multiple airlines
Find direct flights and multi-stop options
Best deals for october travel
Flexible booking options
24/7 customer support

Planning a trip from St Louis (STL) to Seattle (SEA) in october? SlickTrip helps you find the cheapest economy class flights with our comprehensive flight comparison tool. Whether you prefer direct flights for convenience or multi-stop flights for savings, we have options for every budget and schedule.