Cheap Flights from Seattle (SEA) to Morristown (MMU)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Morristown, NJ (MMU-Morristown Municipal)

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Alternative airports near Morristown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Liberty Intl. EWR. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $306
EWR
Liberty Intl.
Cheapest
Average driving time to city center26 min
Flights from $306
Select flight to LaGuardia LGA. Average driving time to city center is 1 hour 0 minutes. Flights from $385
LGA
LaGuardia
Average driving time to city center1 h 0 min
Flights from $385
Flights from Seattle (SEA) to Morristown (MMU)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Morristown Municipal
Distance
2379 mi

Seattle to Morristown Flights

The cheapest times to fly from Seattle to Morristown

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 Seattle to Morristown are during the month of . You can find some of the cheapest flights from Seattle to Morristown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Morristown

Sunday is one of the best days to book for cheap flights from Seattle to Morristown: 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 Seattle to Morristown

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 Seattle to Morristown 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 Seattle to Morristown 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 Seattle to Morristown 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

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU) cost?
Discover the latest flight deals from SEA to MMU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to MMU?
The cheapest flights from SEA to MMU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to MMU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to MMU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU)?
You'll have to take a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SEA to MMU?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Morristown from Seattle - Tacoma Intl. Airport (SEA)?
You can arrive at Liberty Intl. Airport (EWR) or John F. Kennedy Intl. Airport (JFK) when you travel to Morristown on a direct flight from Seattle - Tacoma Intl. Airport (SEA).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU) last-minute?
Waiting until right before your break to book your flight from SEA to MMU often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a SEA to MMU flight and hotel package?
You'll generally save money by booking a SEA to MMU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Morristown Municipal Airport (MMU)?
Generally, it's possible to reschedule or cancel your SEA to MMU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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