$115 Cheap flight deals from Boston (BOS) to Southern Illinois (STL)
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This Weekend's Flight Deals from Boston to Southern Illinois
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $115 One Way, $236 Round Trip from Boston to Southern Illinois
Prices starting at $236 for return flights and $115 for one-way flights to Southern Illinois were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Southern Illinois economy flight packages
White House at Grand Central
Jul 16 - Jul 20
Boston (BOS) to St. Louis (STL)
St. Louis (STL) to Boston (BOS)
Reviewed on Sep 17, 2023
The Wildwood Hotel
Jul 17 - Jul 20
Boston (BOS) to St. Louis (STL)
Reviewed on Feb 24, 2026
The Cheshire
Jul 17 - Jul 20
Boston (BOS) to St. Louis (STL)
Reviewed on May 4, 2026
More About Flying To Southern Illinois from Boston
Route Information for Flights from Boston to Southern Illinois
Origin Airport IATA Code | BOS |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Boston to Southern Illinois
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See the World
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.