Cheap Flights from Philadelphia (PHL) to Niagara Falls (IAG)

Popular airlines from Philadelphia Intl. Airport (PHL) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

Find available prices by choosing your travel dates.
Flights from Philadelphia (PHL) to Niagara Falls (IAG)
Origin airport
Philadelphia Intl.
Destination airport
Niagara Falls Intl.
Distance
293 mi

Philadelphia to Niagara Falls Flights

The cheapest times to fly from Philadelphia to Niagara Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Niagara Falls are during the month of . You can find some of the cheapest flights from Philadelphia to Niagara Falls with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Philadelphia to Niagara Falls

Sunday is one of the best days to book for cheap flights from Philadelphia to Niagara Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Philadelphia to Niagara Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Niagara Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Niagara Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Niagara Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to IAG last minute?
Booking your journey from PHL to Niagara Falls Intl. Airport (IAG) at the last minute could save you cash if you luck out and find an awesome deal. However, airfares don’t typically get cheaper as the departure date nears. If you wait, flights could also be sold out or the best seats taken (because who wants the middle seat?). If you want to be on the safe side, book well ahead of when you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Niagara Falls from Philadelphia?
From Philadelphia, you can reach Niagara Falls via Niagara Falls Intl. Airport (IAG), Buffalo Niagara Intl. Airport (BUF) and Billy Bishop Toronto City Airport (YTZ). Research which hub works best for you before you make a decision. If you go with Niagara Falls Intl. Airport (IAG), it’s around 6 mi east of downtown. Use the cash you save when booking your journey with Expedia to explore the city’s awesome sights, such as Bridal Veil Falls and Aquarium of Niagara.
Can I change the date of my flight from PHL to Niagara Falls Intl. Airport (IAG)?
You can make changes to your Philadelphia Airport to Niagara Falls Intl. Airport flight via the Expedia Trips portal. But before doing so, read over the rules and restrictions in your itinerary to find out what the airline will let you do and if charges apply. Some airlines charge a change fee per person, on top of any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also browse our Customer Service portal for more information and to connect with our Virtual Agent.

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*Available to One Key members.