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

Flight FAQs

From St Louis to Boston

Are flight prices decreasing from St Louis to Boston 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 Boston 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.

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

Some of our airline partners flying from Lambert-St Louis to Boston Logan Intl 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.

What airports do I use to fly from St. Louis to Boston?

Booking a flight from Lambert-St Louis (STL) to Boston Logan Intl (BOS) is your only option if you wish to fly from St. Louis to Boston. On a typical day, there is 1 flight from Lambert-St Louis to Logan Intl, all of which are around 2h 35m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Lambert-St Louis to Boston.

Can I find flights from St Louis to Boston for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Boston for under $200. The cheapest flight booked recently is on Delta for just $199, but on average you can expect to pay $239.

Are there nonstop flights from St Louis to Boston for under $400 on Cheapflights?

Cheapflights has at least 5 direct flights from St Louis to Boston under $400. A good price for a nonstop flight from St Louis to Boston is less than $399.

Are there last-minute flights available from St Louis to Boston for under $300?

There are currently 20+ open flights from St Louis to Boston within the next 7 days for less than $300.

How popular is this flight route?

Within the past month, 51 users have taken a look at flights from Lambert-St Louis to Boston Logan Intl.

Does it rain more in St Louis or Boston?

St Louis will have the same amount of rainfall in 1 compared to Boston over the next 14 days.

Is St Louis weather warmer or cooler than Boston?

You can imagine temperatures to be in the 90 °F range in July. The weather in Boston is generally colder than St Louis'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 St Louis to Boston?

Airlines like Delta, United Airlines, and American Airlines fly from St Louis to Boston in about 4h 44m. The time it takes to get you to your destination can typically vary by up to 21m. This flight may include one or multiple stops.

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

Delta, at $199, was found to be the cheapest airline from St Louis to Boston.Alternate airlines to your destination round-trip include Spirit Airlines and United Airlines. Delta is priced at 10% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from St Louis to Boston are Frontier ($100), Spirit Airlines ($103), and American Airlines ($108).