What’s the cost of a flight from Washington to Saint Louis?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Airport options between Washington and Saint Louis

Even for routes around 1103 km, using different airports might affect flight cost and travel time.

• Airports in Washington: You can fly from 3 airports in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in Saint Louis: Saint Louis - Lambert is the only functioning airport.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Refine your flight search from Washington to Saint Louis

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.