$44 Cheap Flights to Mountainside, NJ

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How much is the cheapest flight to Mountainside?

Prices were available within the past 7 days and start at $44 for one-way flights and $83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Frontier Airlines
United
Southwest Airlines
Delta

Find the cheapest month to fly from Columbus (CMH) to New York (EWR)

November is typically the cheapest month to fly

From $62 - $373 per traveler.

Graph displaying average flight prices per month

Tips to find the cheapest flights to Mountainside

The cheapest day to fly

Get started finding a cheap flight to Mountainside on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

July is the cheapest month to fly to Mountainside. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Mountainside. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Mountainside, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Mountainside

The lowest price for round-trip flights to Mountainside in 2025 starts from from $83, while one-way tickets start from from $44. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Mountainside. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Mountainside

Spirit Airlines, Frontier Airlines, American Airlines, JetBlue Airways, United, Southwest Airlines, Delta are just some of the airlines that can typically offer cheap tickets to Mountainside. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Mountainside and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Mountainside, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Mountainside. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Mountainside plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Mountainside

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Mountainside.

Stopover savings

The cheapest tickets to Mountainside are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Mountainside. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Mountainside for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Mountainside. Simply download the free Expedia app to your smart device and activate Mountainside flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Mountainside. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

What month is the cheapest to fly to Mountainside?
Flights to Mountainside are typically the least expensive in July *. You may be able to grab a bargain on fares in this month if you keep an eye out. *Cheapest month to fly is based on the month with the cheapest flight found on Expedia.com in the next 330 days.
Which US cities have the cheapest flights to Mountainside?
Los Angeles, San Francisco and Boston typically offer cheap flights to Mountainside. Bear in mind that prices vary based on factors like time of year, demand and number of stopovers.
Which US cities fly direct to Mountainside?
There are 58 US cities where you can fly to Mountainside directly from. Explore your options by selecting the "Direct flights only" filter on Expedia and pick the ideal starting point for your trip. Here are several of the major cities to jet off from:

  • Los Angeles
  • San Francisco
  • Boston
  • Miami
  • Orlando

How to find a cheap flight to Mountainside?
To snag cheap flights to Mountainside, book as early as possible and travel during the low season. Want an insider tip? Fly on a Thursday and save around 16% on average compared to those who jet off on a Sunday.* Set up price tracking on the Expedia app and we'll let you know the moment your fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Mountainside?
Staying flexible with your travel plans can help you find last-minute offers on cheap flights to Mountainside. To view all the available options, consider exploring different ticket types, tweaking your Mountainside vacation dates, jetting out of an alternative airport or going with another carrier.
How far in advance should I book a flight to Mountainside?
Find the departure dates you want and a fare that works with your budget by booking your domestic flight to Mountainside up to 28 days in advance. Lock in tickets between two and four months ahead if you're traveling to Mountainside from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Mountainside?
Generally, you can get cheap flights to Mountainside on a Sunday. You'll save around 8% on average compared to those who book on a Friday, which is typically the most expensive day for tickets.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Mountainside?
There are 72 carriers that connect Mountainside with 168 airports all over the world. The chief gateway to this city is John F. Kennedy Intl. Airport (JFK). Book a ticket with any of these top airlines to Mountainside:

  • Delta Air Lines
  • JetBlue Airways
  • American Airlines
  • British Airways

Where do you fly into Mountainside?
Mountainside's main point of arrival is Liberty Intl. Airport (EWR). If you're looking for more nearby choices when flying to Mountainside, check out LaGuardia Airport (LGA), John F. Kennedy Intl. Airport (JFK) or Westchester County Airport (HPN). It's also possible to fly to Mountainside through Stewart Intl. Airport (SWF).
How far is the airport from central Mountainside?
Landing at Liberty Intl. Airport (EWR) puts you approximately 9 mi east of central Mountainside.
Can I save money by booking a Mountainside trip package?
Bundle your accommodations and flights and you could save hundreds of dollars. Better still, you can add extras like activities and car rentals to your Mountainside flight and hotel package deal. With Expedia, it's a breeze to look after all your Mountainside travel arrangements in one place.
Can I change or cancel my flight to Mountainside?
It's usually possible to cancel or change your flight to Mountainside. Many airlines allow you to cancel flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer you credit for future flights instead of a direct refund. To get affordable flights to Mountainside with flexible change policies, pick the "Changes included" or "No cancel fee" filters when you search. Want more information? Visit our Customer Service Portal.
Flights to Mountainside information
Destination airport
LaGuardia
Destination airport IATA code
LGA
Destination city name
New York
Roundtrip price
$82

Trending flights to Mountainside

Prices were available within the past 7 days and start at $44 for one-way flights and $83 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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*Available to One Key members.