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Fares from St. Louis, MO (STL)
$224 RT to
Boston, MA (BOS)
7 days/week if available
Sunday, 05 January 2014
Non-Stop Flights, No min. stay, Fare can be bought one-way for half the lowest roundtrip price, Holiday Blackout Dates Apply
Thursday, 12 December 2013
Southwest fares can only be booked on Southwest.com. Other airlines sometimes/often/regularly match each other on sale fares. Do not use the fare calendar on the right to find seats at this fare. Only use the Southwest link shown.
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All mandatory taxes/fees are included in the price. Tax-inclusive fare may be a few dollars higher or lower depending on the airport you connect through, if any. Baggage fees, if applicable, and other optional fees are not included.
Our Dealhounds found this airfare using flexible date search. This means we searched a range of dates to find you the best price.
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