
$78 Cheap flight deals from Princeton (EWR) to Alton (STL)
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This Weekend's Flight Deals from Princeton to Alton
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 $78 One Way, $168 Round Trip from Princeton to Alton
Prices starting at $168 for return flights and $78 for one-way flights to Alton were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alton economy flight packages

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Jun 27 - Jul 2
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
St. Louis (STL) to Newark Liberty Intl. Airport (EWR)
Reviewed on May 15, 2025

Hyatt Regency St. Louis at The Arch
Jun 27 - Jul 2
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
St. Louis (STL) to Newark Liberty Intl. Airport (EWR)
Reviewed on Apr 24, 2025

Drury Plaza Hotel St. Louis at the Arch
Jun 27 - Jul 2
Newark Liberty Intl. Airport (EWR) to St. Louis (STL)
St. Louis (STL) to Newark Liberty Intl. Airport (EWR)
Reviewed on May 16, 2025
More About Flying To Alton from Princeton
Route Information for Flights from Princeton to Alton
Origin Airport IATA Code | EWR |
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Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Princeton to Alton
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Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from Princeton to Alton. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your Princeton to Alton flights.
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Alton 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.