Cheap flights from Baltimore to St Louis (BWI - STL)

Flight FAQs

From Baltimore to St Louis

Are flight prices decreasing from Baltimore to St Louis 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 Baltimore and St Louis 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 Baltimore/Washington to Lambert-St Louis to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Baltimore/Washington to Lambert-St Louis. Policies will vary by airline.

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

Some of our airline partners flying from Baltimore/Washington to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Delta, and United Airlines 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 Baltimore to St Louis for under $100 on Cheapflights?

Yes, there are multiple flights from Baltimore to St Louis for under $100. The cheapest flight booked recently is on Frontier for just $79, but on average you can expect to pay $129.

Are there nonstop flights from Baltimore to St Louis for under $100 on Cheapflights?

There are no nonstop flights from Baltimore to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Baltimore to St Louis for under $100?

There are currently 20+ open flights from Baltimore to St Louis within the next 7 days for less than $100.

Does it rain more in Baltimore or St Louis?

Expected rainfall in Baltimore is less than in St Louis. You can expect this to be the case over the next 14 days.

Is Baltimore weather warmer or cooler than St Louis?

You can imagine temperatures to be in the 90 °F range in July. The weather in St Louis is generally the same as Baltimore's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Baltimore to St Louis?

For as low as $173, American Airlines can have you in St Louis from Baltimore in 5h 17m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Baltimore to St Louis round-trip?

Currently priced at $79, Frontier will fly you from Baltimore to St Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $153. You may be able to fly from Baltimore to St Louis for 72% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $39 on Frontier. Other airlines that offer cheap prices include American Airlines from $77 and United Airlines from $118 one-way.