Cheap flights from Boston to St Louis (BOS - STL)

Flight FAQs

From Boston to St Louis

Are flight prices decreasing from Boston 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 Boston 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 Boston Logan Intl to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. 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 Boston Logan Intl to Lambert-St Louis. Policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from Boston Logan Intl to Lambert-St Louis have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Boston to St Louis for under $100. The cheapest flight booked recently is on Frontier for just $78, but on average you can expect to pay $119.

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

There are no nonstop flights from Boston 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 Boston to St Louis for under $200?

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

How popular is this flight route?

Flights from Boston Logan Intl to Lambert-St Louis have been viewed 48 times in the past calendar month.

Does it rain more in Boston or St Louis?

The rainfall in Boston is generally less than the rainfall in St Louis. This will continue over the next 14 days.

Is Boston weather warmer or cooler than St Louis?

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 St Louis is generally hotter than in Boston.

How long is the flight from Boston to St Louis?

There are many flights that can get you from Boston to St Louis in 7h 54m. Fly via Frontier to get the fastest option.

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

According to our current data, Frontier ($78), offers the cheapest pricing from Boston to St Louis. Users have found that Frontier is 65% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Boston to St Louis are Frontier ($34) and American Airlines ($102).