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Cheap Flights From Boston to Saint Louis

Typical Price
$428
Deals From
$374
Usually Costs
$374 – $441
All-Time Low
$182
Based on 4,415 price pointshigh confidence

Best Time to Fly from Boston to Saint Louis

Check back soon for price trends on flights from Boston to Saint Louis.

Price Trend (Last 90 Days)

$179$204$229$254$279Jan 5Jan 27Feb 16
Low: $17942 price checksHigh: $279
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