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Cheap Flights from St. Louis to Boston $313.17

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Cheapest Flights from St. Louis to Boston (STL to BOS)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Boston (STL to BOS)

Question : If speed is all that matters, how can you get from STL to BOS as quickly as possible?
Answer : The quickest direct flight is two hours and 30 minutes via Southwest Airlines. If you catch the 11:55 AM CDT departure, you'll arrive at 3:25 PM EDT (remember, there is a time change of one hour).

Question : Should you take that vacation to Boston in the next 30 days?
Answer : As of Mar 20th, the best day for deals to Boston (BOS) is Mar 31st. It costs $224, which is 41% below the average price to book the same route.

Question : How much should a trip from Saint Louis (STL) to Boston (BOS) cost?
Answer : Flight prices change less than the majority of routes in the United States for STL to BOS. They range from $224 to $624. The further out you book a route, the more likely you are to save.

Question : Over the coming months, which airline is getting their passengers to Logan International Airport (BOS) round-trip the cheapest?
Answer : Prices are hitting as high as $624 over the next three months when flying to BOS from STL. Check out Delta Air Lines, as they have been booking customers at just $224.

Question : Is there a preferred airline for getting to Logan International Airport (BOS) on time?
Answer : NetJets Aviation holds the best record for flights from STL to BOS with a 100% on-time rate. Hopefully they keep that perfect record alive.

Question : How long do most people visit Boston?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.

Question : Is price more important than specific travel days for you?
Answer : For the month of April, Tuesday is your cheapest day to fly. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : Who struggles with getting their passengers to Logan International Airport (BOS) on time?
Answer : If you're flying GoJet Airlines to Boston from Saint Louis, you may be tardy as they're delayed 100% of the time. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.

Question : How often are flights late from Lambert-St. Louis International Airport (STL) to Logan International Airport (BOS)?
Answer : The Saint Louis to Boston route has a 74% on-time rate, ranking in the 55th percentile worldwide in getting their passengers to their destinations on schedule. If a flight is late, though, expect an average of less than half an hour added to your flight time.

Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, Saint Louis to Boston currently has a 3 out of a possible 5 star rating. A 3-star rating means you should feel slightly worried about getting to Boston on time.

Question : How many departure times are there on a given day?
Answer : It does differ by the day, but on average, you can expect two different choices of flight times when you book. Compared to the average route departing the United States with five flight times, you'll have fewer options.

Question : If traveling from STL to BOS, how long can you expect to be in the air?
Answer : When flying from STL to BOS, it will take two hours and 30 minutes on average.