Find out what a flight from Boston to Saint Louis might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Are there alternative airports near Boston and Saint Louis?

The two cities are about 1680 km apart. Looking beyond the main airport might reveal better options.

• Airports in Boston: Boston - Logan is the only airport in operation.
• Airports in Saint Louis: Only Saint Louis - Lambert is active at the moment.

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

Compare flights from Boston to Saint Louis with advanced filters

Find your ideal flight using Jetcost. Select whether you want nonstop or connecting flights, round-trip or one-way, and filter by airline, price, or booking site.

Other popular destinations

Looking for alternatives in United States? Travelers also liked: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.