$991 Cheap Flights from Monrovia (ROB) to Newark Liberty Intl. Airport (EWR)

View $991 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Monrovia (ROB-Roberts Intl.) to Newark Liberty Intl. Airport (EWR)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Monrovia to Newark Liberty Intl. Airport (ROB-EWR)

Prices were available within the past 7 days and start at $991 for one-way flights and $1,108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Brussels Airlines
Tue, Sep 9 - Tue, Oct 21
ROB
Monrovia
EWR
New York
$1,108 Roundtrip, found 14 hours ago
$1,108
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Tue, Sep 9 from Monrovia to New York, returning Tue, Oct 21, priced at $1,108 found 14 hours ago
United
Tue, Sep 9 - Tue, Oct 21
ROB
Monrovia
EWR
New York
$1,128 Roundtrip, found 14 hours ago
$1,128
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Sep 9 from Monrovia to New York, returning Tue, Oct 21, priced at $1,128 found 14 hours ago
Brussels Airlines
Fri, Jun 27 - Tue, Jul 8
ROB
Monrovia
EWR
New York
$1,131 Roundtrip, found 2 days ago
$1,131
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Fri, Jun 27 from Monrovia to New York, returning Tue, Jul 8, priced at $1,131 found 2 days ago
Brussels Airlines
Wed, Feb 25 - Fri, Mar 13
ROB
Monrovia
EWR
New York
$1,134 Roundtrip, found 5 days ago
$1,134
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 25 from Monrovia to New York, returning Fri, Mar 13, priced at $1,134 found 5 days ago
Brussels Airlines
Wed, Feb 25 - Fri, Mar 13
ROB
Monrovia
EWR
New York
$1,136 Roundtrip, found 5 days ago
$1,136
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 25 from Monrovia to New York, returning Fri, Mar 13, priced at $1,136 found 5 days ago
Brussels Airlines
Tue, Jun 3 - Fri, Jul 18
ROB
Monrovia
EWR
New York
$1,137 Roundtrip, found 5 days ago
$1,137
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, Jun 3 from Monrovia to New York, returning Fri, Jul 18, priced at $1,137 found 5 days ago
Brussels Airlines
Tue, Jun 3 - Fri, Jul 18
ROB
Monrovia
EWR
New York
$1,141 Roundtrip, found 5 days ago
$1,141
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, Jun 3 from Monrovia to New York, returning Fri, Jul 18, priced at $1,141 found 5 days ago
Brussels Airlines
Tue, Jun 3 - Fri, Jul 18
ROB
Monrovia
EWR
New York
$1,141 Roundtrip, found 5 days ago
$1,141
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, Jun 3 from Monrovia to New York, returning Fri, Jul 18, priced at $1,141 found 5 days ago
Brussels Airlines
Fri, Dec 26 - Thu, Jan 8
ROB
Monrovia
EWR
New York
$1,143 Roundtrip, found 15 hours ago
$1,143
Roundtrip
found 15 hours ago
Select Brussels Airlines flight, departing Fri, Dec 26 from Monrovia to New York, returning Thu, Jan 8, priced at $1,143 found 15 hours ago
Ethiopian Airlines
Thu, Oct 30 - Fri, Nov 14
ROB
Monrovia
EWR
New York
$1,286 Roundtrip, found 6 hours ago
$1,286
Roundtrip
found 6 hours ago
Select Ethiopian Airlines flight, departing Thu, Oct 30 from Monrovia to New York, returning Fri, Nov 14, priced at $1,286 found 6 hours ago
Flights from Monrovia (ROB) to Newark Liberty Intl. Airport (EWR)
Origin airport
Roberts Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Brussels Airlines, Ethiopian Airlines, United
Roundtrip price
$1,107
Distance
4574 mi

Monrovia to Newark Liberty Intl. Airport Flights

The cheapest times to fly from Monrovia to Newark Liberty Intl. Airport

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 Monrovia to Newark Liberty Intl. Airport are during the month of September. You can find some of the cheapest flights from Monrovia to Newark Liberty Intl. Airport with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Monrovia to Newark Liberty Intl. Airport

Sunday is one of the best days to book for cheap flights from Monrovia to Newark Liberty Intl. Airport: 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 Monrovia to Newark Liberty Intl. Airport

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 Monrovia to Newark Liberty Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $991 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 Monrovia to Newark Liberty Intl. Airport 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 Monrovia to Newark Liberty Intl. Airport 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 Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR) cost?
Discover the latest flight deals from ROB to EWR 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 ROB to EWR?
The cheapest flights from ROB to EWR 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 ROB to EWR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ROB to EWR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR)?
Direct flights from Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from ROB to EWR?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR)?
To avoid potential delays on the Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR) route, aim to fly before 3 PM. Flights after this time 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.
Is it cheaper to buy a plane ticket from Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR) last-minute?
Last-minute bookings from ROB to EWR are typically more expensive. For the lowest rates, start searching for flights as early as possible. That said, if you’re flexible with your travel plans, it’s possible to score a cheap ticket right before you leave.
Is it cheaper to book a ROB to EWR flight and hotel package?
Compared with arranging flights and hotels separately, booking a ROB to EWR flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Roberts Intl. Airport (ROB) to Liberty Intl. Airport (EWR)?
Generally, it’s possible to reschedule or cancel your ROB to EWR flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.