
$67 Cheap flight deals from Boston (BOS) to O'Fallon (STL)
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This Weekend's Flight Deals from Boston to O'Fallon
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 $67 One Way, $139 Round Trip from Boston to O'Fallon
Prices starting at $139 for return flights and $67 for one-way flights to O'Fallon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
O'Fallon economy flight packages

Fairfield Inn & Suites Wentzville
Dec 26 - Dec 28
Boston (BOS) to St. Louis (STL)
St. Louis (STL) to Boston (BOS)
Reviewed on May 12, 2024

Ameristar Casino Resort and Spa
Dec 26 - Dec 28
Boston (BOS) to St. Louis (STL)
St. Louis (STL) to Boston (BOS)
Reviewed on Sep 2, 2025

Hampton Inn St. Louis Wentzville
Dec 26 - Dec 28
Boston (BOS) to St. Louis (STL)
St. Louis (STL) to Boston (BOS)
Reviewed on Apr 11, 2025
More About Flying To O'Fallon from Boston
Route Information for Flights from Boston to O'Fallon
Origin Airport IATA Code | BOS |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Boston to O'Fallon
Boston to O'Fallon flights are offered at fantastic discount by Orbitz. Book air tickets now and cut those extra costs out of your travel budget to ensure a rewarding travel experience. With guaranteed low prices like these, can you afford to miss this discount?
Book cheap flights from Boston to O'Fallon
Cheap airfares are available on flights from Boston to O'Fallon. Use Orbitz to find the best flights that suit both your budget and the travel times that you need. Travelers who are looking for discounted rates on domestic or international flights need to look no further than Orbitz.
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As the world of technology rapidly expands around us, we are continuously finding new ways to improve our services, communications, and accessibility. With our cutting-edge mobile tools now available on Android, iPhone, and tablets, you can access detailed information on your bookings for flights from Boston to O'Fallon at any time or anywhere. See your itinerary for your Boston to O'Fallon flights, baggage and gate claim details, as well as hotel deals with our easy-to-use apps.
Get a great package with your Boston to O'Fallon flights
With frequent updates on your flight status, including delays and changes in bookings, traveling becomes more hassle-free than ever. Not only do we offer huge discounted deals on flights from Boston to O'Fallon, we also have fantastic savings on vacation packages, hotel room, cruises, activities, and car rentals so you can pick and choose and create the best travel package for you.
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O'Fallon Airports
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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.




