Looking for the price of a flight from Saint Louis to Seattle?

There’s no fixed price — fares between Saint Louis and Seattle can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Are there alternative airports near Saint Louis and Seattle?

The two cities are about 2745 km apart. Looking beyond the main airport might reveal better options.

• Airports in Saint Louis: Saint Louis - Lambert is the only airport in operation.
• Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Seattle has more than one airport, you can pick the most convenient for your destination.

Flight filters for the route Saint Louis – Seattle

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Las Vegas, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.