$147 Cheap flight deals from St. Louis (STL) to Casco Bay Islands (PWM)
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Airfares from $147 One Way, $334 Round Trip from St. Louis to Casco Bay Islands
Prices starting at $334 for return flights and $147 for one-way flights to Casco Bay Islands were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Casco Bay Islands economy flight packages
Dormir
Dec 10 - Dec 13
St. Louis (STL) to Portland (PWM)
Portland (PWM) to St. Louis (STL)
Reviewed on Oct 19, 2026
Kennebunkport Captains Collection
Dec 10 - Dec 13
St. Louis (STL) to Portland (PWM)
Portland (PWM) to St. Louis (STL)
Reviewed on Oct 19, 2026
More About Flying To Casco Bay Islands from St. Louis
Route Information for Flights from St. Louis to Casco Bay Islands
Origin Airport IATA Code | STL |
|---|---|
Destination Airport IATA Code | PWM |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
St. Louis to Casco Bay Islands
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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.