$96 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 $96 One Way, $201 Round Trip from Boston to Southern Illinois
Prices starting at $201 for return flights and $96 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
Days Inn and Suites by Wyndham St. Louis/Westport Plaza
Apr 10 - Apr 12
Boston (BOS) to St. Louis (STL)
Reviewed on Mar 4, 2025
Embassy Suites by Hilton St. Louis Airport
Apr 10 - Apr 12
Boston (BOS) to St. Louis (STL)
Reviewed on Apr 12, 2025
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
It has never been easier to find cheap Boston to Southern Illinois flights. Orbitz has some of the best deals around to save you more money on your flight, hotel, and vacation package for the trip you have been waiting for.
Plan Your Boston to Southern Illinois Flights on the Go
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Get the Best Deals on Boston to Southern Illinois Flights
Finding great deals on flights from Boston to Southern Illinois is a snap with Orbitz. With our guaranteed low prices, you don’t have to worry if you are getting the best prices on air tickets, hotels, and cruises. And with all that money you saved, you can enjoy your Southern Illinois vacation even more.
Pile Up Miles With Discount Air Tickets
Not only can you find great bargains on Boston to Southern Illinois flights, but you can rack up frequent flyer miles on the flights too. Enter your frequent flyer number on qualified flights when booking for Orbitz to see the miles pile up in your account.
Flight Alerts Keep You Informed
Stay on top of the latest updates for flights from Boston to Southern Illinois. We send you free email and mobile alerts to keep you informed about delays to Boston to Southern Illinois flights.
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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.