Cheap flights from St Louis to Washington (STL - WAS)

Flight FAQs

From St Louis to Washington

Are flight prices decreasing from St Louis to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Lambert-St Louis to Washington to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. New policies for travelers booking flights from Lambert-St Louis to Washington include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Lambert-St Louis to Washington have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Washington have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St Louis to Washington for under $100 on Cheapflights?

Yes, there are multiple flights from St Louis to Washington for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $123.

Are there nonstop flights from St Louis to Washington for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from St Louis to Washington under $200. A good price for a nonstop flight from St Louis to Washington is less than $235.

Are there last-minute flights available from St Louis to Washington for under $200?

There are currently 20+ open flights from St Louis to Washington within the next 7 days for less than $200.

What days are nonstop flights available from St Louis to Washington?

You can find nonstop flights on the following days: Tuesday.

How many flights depart from St Louis to Washington on average per day?

On average 2 flights depart from Lambert-St Louis to Washington per day.
Afternoon (Noon - 6pm) - 100% of flight departures

Is St Louis weather warmer or cooler than Washington?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Washington is generally the same as in St Louis.

How long is the flight from St Louis to Washington?

United Airlines, American Airlines, and Major Airline can get you from St Louis to Washington in just under 2h. Your travel time can differ by up to 2h 11m. There are 698 mi between St Louis and Washington. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from St Louis to Washington round-trip?

According to our current data, Frontier ($88), offers the cheapest pricing from St Louis to Washington. Users have found that Frontier is 69% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from St Louis to Washington one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $44. Users have also found prices from $84 and $84 on Frontier and United Airlines, respectively.