How much is a flight from Saint Louis to Washington?

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

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

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying between Saint Louis and Washington? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Saint Louis: Saint Louis has only one airport in service, Saint Louis - Lambert.
• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Saint Louis airports in a single search.

Match your flight search to your preferences: Saint Louis – Washington

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.