How much is a flight from Tri-Cities to Saint Louis?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Tri-Cities Regional and Saint Louis.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Tri-Cities - Saint Louis route.

Which airports serve Tri-Cities Regional and Saint Louis?

When planning a trip of about 745 km, it's a good idea to check flights from surrounding airports too.

• Airports in Tri-Cities Regional: Tri-Cities Regional - Tri-Cities is the only operational airport in the area.
• Airports in Saint Louis: The only active airport in Saint Louis is Saint Louis - Lambert.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Tri-Cities – Saint Louis

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Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.