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Cheap flights from St. Louis to Boston

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Find the cheapest flights from St. Louis to Boston

Cheap return flights

These are some of the best return flight deals from St. Louis to Boston that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Boston.

Cheap last-minute flights

Planning a quick getaway from St. Louis to Boston? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Boston, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from St. Louis to Boston

Find recent round-trip train or bus tickets from St. Louis to Boston.

All round-trip flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
STL-BOS
2h 36mdirect
BOS-STL
3h 17mdirect
American Airlines
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STL-BOS
2h 40mdirect
BOS-STL
3h 17mdirect
Qatar Airways
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STL-BOS
2h 35mdirect
BOS-STL
3h 10mdirect
Southwest
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STL-BOS
2h 40mdirect
BOS-STL
3h 24mdirect
Iberia
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STL-BOS
2h 36mdirect
American Airlines
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STL-BOS
2h 40mdirect
Qatar Airways
Find Deal
STL-BOS
2h 35mdirect
Southwest
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STL-BOS
2h 40mdirect
Iberia
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See travel insights to Boston from

How to get the cheapest flight ticket from St. Louis to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from St. Louis to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R5 800. If you aren’t able to travel during the month of February, then book flights to Boston from St. Louis during August instead. Flights to Boston in August, while not as cheap as those in February, still average around R6 678.

What is the cheapest Lambert-St Louis to Boston Logan Intl flight route?

Fly from Lambert-St Louis to Boston Logan Intl for the best Lambert-St Louis - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

The ideal time to book your flight to Boston is 38 days in advance, when prices tend to average R7 520. Keep in mind that you might also find cheap flights to Boston outside of this time window. In fact, momondo users recently found flights from St. Louis to Boston for R110 145.

What cabin class options are available on Lambert-St Louis to Boston Logan Intl flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have St. Louis to Boston flight prices changed over time?

As of December 2024, prices for St. Louis to Boston flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to Boston (STL to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Boston

Direct flights

None
There are no direct flights from St. Louis to Boston. There are no popular flight routes from St. Louis to Boston.

  • How far is Lambert-St Louis to Boston Logan Intl by plane?

    There are 1665,7 km between Lambert-St Louis and Boston Logan Intl.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Boston Logan Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Boston Logan Intl Airport were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from St. Louis to Boston?


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Boston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Boston for you.

Can I find flights from St. Louis to Boston with flexible booking policies on momondo?

Yes. All flights to Boston from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Boston?

momondo helps you find the best flight between St. Louis and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Boston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boston from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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