Cheap flights from Saint Louis to Boston
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

When to book a flight from Saint Louis to Boston?

Both the dates of travel and the date of ticket purchase affect the final price. With Fly Scanner you have the possibility to easily evaluate the best solutions for a low cost flight to Boston or other destinations in United States even cheaper. Compare in a moment also the prices for the dates close to those chosen to have the possibility to save even more.

Are you looking for a Saint Louis - Boston direct flight?

If you are looking for direct flights only, just filter your search and we will include the best offers for you by selecting the cheapest ones among all the companies and agencies operating on the web. Try to customize your search and find the ideal airline ticket for you!

Find the Saint Louis - Boston low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to United States.

Frequently Asked Questions

Frequently asked questions about flights from Saint Louis to Boston.

How much does a Saint Louis - Boston flight cost?

The availability of airline tickets can vary greatly depending on the time of year and destination. This information is currently unavailable for flights from Saint Louis to Boston.

How far is Saint Louis from Boston?

Saint Louis is about 1044 mi from Boston.

What are the airports in Boston?

Boston has one airport: Boston - Logan.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the most popular destinations searched for in United States?

The most searched cities in United States according to our users are: Boston, Los Angeles, Miami, New York City, Orlando.

What is the cheapest month to fly from Saint Louis to Boston?

The cheapest month to fly from Saint Louis to Boston is December.

What is the most expensive month to fly from Saint Louis to Boston?

The most expensive month to fly from Saint Louis to Boston is July.

What is the best day of the week to fly from Saint Louis to Boston?

For flights from Saint Louis to Boston Wednesday is on average the cheapest day to fly, while Saturday is the most expensive day to fly.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more