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* All fares above were last found on: Dec 28, 2024 at 2:57 PM UTC . Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions.

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*All fares above were found in last 8 hours. Fares are round trip/one way. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are based on historical data, are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. ref 202503~4SX78qI5WUyzonV1nnhz9A
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When’s a good time to book a flight from St Louis to Washington DC?

What’s the cheapest day of the week to fly from St Louis to Washington DC?

What is the cheapest month to fly from St Louis to Washington DC?

‡This information is based on historical data from the last 365 days.

Finding Affordable Flights from St Louis to Washington DC
  • Plan Ahead - One of the keys to securing cheap flights from St Louis to Washington DC is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
  • Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
  • Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from St Louis to Washington DC drop, giving you the opportunity to grab cheap deals.
  • Consider Nearby Airports - If Washington DC has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
  • Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.

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St Louis to Washington DC Flight Route Information

Travel Distance:695 Miles
Airlines Flying This Route: American Airlines, United Airlines, Southwest Airlines
Weekly Flights:8
Avg. Flight Duration:04.59 Hours

Insights About Flying from St Louis to Washington DC

Q. Which is the high season to travel from St Louis to Washington DC?

A. The month of October is considered the high season for flying from STL to WAS. Traveling during the high season can affect ticket prices and availability, making this data crucial for trip planning.

Q. How many direct flights are available from STL to WAS?

A. There are a total of 117 direct flights from St Louis to Washington DC. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options.

Q. Which is the low season to travel from St Louis to Washington DC?

A. April is considered the low season for traveling from St Louis to Washington DC, District of Columbia. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.

Q. How many daily flights are there between St Louis to Washington DC?

A. There are as many as 3 daily flights available for travelers between STL to WAS. This data offers flexibility in choosing departure times that best suit your schedule.

Q. At what time does the last flight depart to Washington DC?

A. The last flight to Washington DC typically departs between 12:00AM - 1:00AM. Travelers who prefer late-night departures will find this information valuable for planning their journey.

Q. What percentage of travelers spent an average of 3 days in Washington DC, District of Columbia?

A. Approximately 28.97% of travelers spent an average of 3 days exploring Washington DC. This information can assist in planning the duration of your stay in Washington DC

Q. What percentage of STL to WAS flyers traveled with kids under 14?

A. About 3% of passengers on flights from St Louis to Washington DC were accompanied by children under the age of 14. This information is useful if you're planning a family trip and want to know how common it is to travel with young children on this route.

Q. What percentage of St Louis to Washington DC travelers were over 60 years old?

A. A notable 19% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.

Q. What percentage of STL to WAS travelers were millennials?

A. Millennials make up a significant portion of travelers on this route, accounting for 29% of all passengers. If you're a millennial looking to connect with like-minded travelers, this statistic might interest you.

Q. What percentage of St Louis to Washington DC travelers were female?

A. Almost half of the passengers, approximately 56% were female. Knowing the gender distribution can be useful for solo female travelers or those interested in gender-related travel insights.

Q. What percent of St Louis to Washington DC travellers booked first or business class?

A. 5% of travelers booked first or business class on this route.

Q. At what time the earliest flight departs from St Louis?

A. The earliest flight departs at 6:00AM - 7:00AM.

Q. On which days one can have the most flight options in Washington DC?

A. Monday offer the most flight options in Washington DC.

§ All flight facts are based on last 3 months' data except the highest and lowest booking months that are based on last 3 months' data.
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