$139 Cheap American Airlines flights Missoula (MSO) to Newark Liberty Intl. Airport (EWR)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap American Airlines round-trip flights from $275 from MSO to EWR. Affordable one-way tickets from $139 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to Newark tend to be cheaper in the off-peak months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could land a better deal then.

Begin your search one to three months ahead of your travel date to score cheap fares on American Airlines flights from Missoula Intl. Airport (MSO) to Liberty Intl. Airport (EWR). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, hit search and check the “Nonstop” filter on Expedia to find any direct flights from MSO to EWR with American Airlines or other airlines.

Sort your results by “Early Morning” and “Morning” to see the earliest departures from MSO to EWR. Jetting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Liberty Intl. Airport (EWR) is the main Newark hub for American Airlines flights from Missoula Intl. Airport (MSO).

Depending on your ticket type, a fee will generally apply if you cancel or change your booking more than 24 hours after it’s been confirmed. To find flexible plane tickets, select our “No cancel fee” or “Changes included” filter when searching for flights. For additional information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”