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

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

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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.

Which departure and arrival airports are available?

Between Saint Louis and Washington, flight options may depend on the combination of airports available.

• Airports in Saint Louis: Only Saint Louis - Lambert is currently in operation.
• Airports in Washington: Washington is served by 3 airports - Dulles international, Ronald Reagan, Washington International.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Find the best flight from Saint Louis to Washington

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Saint Louis – Washington flights.