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Cheap Flights from Boston to St. Louis
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Cheap Flights from Boston to St. Louis starting at S$ 101
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- BOS08:157h 27m1 stopSTL14:42Wed, Jun 5|Boston - St. Louis|Frontier AirlinesS$ 101S$ 15234% OFF34% OFFS$ 152S$ 101
- BOS06:1012h 24m1 stopSTL17:34Sat, Apr 27|Boston - St. Louis|Spirit AirlinesS$ 113S$ 15226% OFF26% OFFS$ 152S$ 113
- BOS09:0812h 24m1 stopSTL20:32Sat, Apr 27|Boston - St. Louis|Frontier AirlinesS$ 121S$ 15220% OFF20% OFFS$ 152S$ 121
- BOS05:354h 45m1 stopSTL09:20Tue, Apr 30|Boston - St. Louis|Delta Air LinesS$ 123S$ 123
- BOS05:354h 45m1 stopSTL09:20Thu, Apr 18|Boston - St. Louis|Delta Air LinesS$ 124S$ 124
- BOS05:354h 45m1 stopSTL09:20Wed, Apr 10|Boston - St. Louis|Delta Air LinesS$ 125S$ 125
- BOS05:354h 45m1 stopSTL09:20Wed, Apr 17|Boston - St. Louis|Delta Air LinesS$ 126S$ 126
- BOS05:354h 45m1 stopSTL09:20Tue, Apr 9|Boston - St. Louis|Delta Air LinesS$ 128S$ 128
- BOS06:1011h 15m1 stopSTL16:25Sat, May 11|Boston - St. Louis|Spirit AirlinesS$ 128S$ 128
- BOS22:1213h 28m1 stopSTL10:40Fri, Apr 26|Boston - St. Louis|Spirit AirlinesS$ 129S$ 129
- BOS13:003h 5mDirectSTL14:00Fri, Apr 5|Boston - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Cheapest time to fly from Boston to St. Louis
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Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Boston to St. Louis
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 101
Spirit Airlines
From S$ 113
Delta Air Lines
From S$ 123
American Airlines
From S$ 153
Jetblue Airways
From S$ 159
Sun Country Airlines
From S$ 171
United Airlines
From S$ 172
Southwest Airlines
From S$ 209
Alaska Airlines
From S$ 331
Allegiant Air
From S$ 479
ANA airlines
Find more flights and airlines
Alternative Routes from Boston to St. Louis
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to St. Louis.
- CheapestBOS08:157h 27m1 transferSTL14:42General Edward Lawrence Logan International Airport - St. Louis Lambert International AirportWed, Jun 5Frontier AirlinesS$ 101
- BOS08:157h 27m1 transferSTL14:42General Edward Lawrence Logan International Airport - St. Louis Lambert International AirportWed, Jun 5Frontier AirlinesS$ 101Find More Flights
Frequently Asked Questions
Find cheapest flight ticket from Boston to St. Louis
Cheapest direct flight price | S$ 100 |
---|---|
Cheapest return ticket price | S$ 359 |
Cheapest month | November |
Peak season for travel | September |
Plan Your Trip Around St. Louis
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