Cheap Flights to Union County from $39 (2026/2027)

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Plainfield

Flights
Plainfield

How Much Does it Cost To Fly To Union County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Jan 21 - Sun, Jan 24
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$78 Roundtrip, found 12 hours ago
$78
Roundtrip
found 12 hours ago
Select Allegiant Air flight, departing Thu, Jan 21 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Jan 24, priced at $78 found 12 hours ago
Sat, Dec 5 - Wed, Dec 9
ATL
Hartsfield-Jackson Atlanta Intl.
EWR
Newark Liberty Intl. Airport
$119 Roundtrip, just found
$119
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 9, priced at $119 just found
Tue, Nov 17 - Fri, Nov 20
ATL
Hartsfield-Jackson Atlanta Intl.
LGA
LaGuardia
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Hartsfield-Jackson Atlanta Intl. to LaGuardia, returning Fri, Nov 20, priced at $142 found 1 hour ago
Thu, Dec 10 - Mon, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$157 Roundtrip, found 3 hours ago
$157
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Dec 10 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Mon, Dec 14, priced at $157 found 3 hours ago
Thu, Jan 7 - Sun, Jan 10
FLL
Fort Lauderdale - Hollywood Intl.
TTN
Mercer
$164 Roundtrip, found 9 hours ago
$164
Roundtrip
found 9 hours ago
Select Breeze Airways flight, departing Thu, Jan 7 from Fort Lauderdale - Hollywood Intl. to Mercer, returning Sun, Jan 10, priced at $164 found 9 hours ago
Sat, Dec 5 - Wed, Dec 9
ATL
Hartsfield-Jackson Atlanta Intl.
EWR
Newark Liberty Intl. Airport
$179 Roundtrip, just found
$179
Roundtrip
just found
Select United flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 9, priced at $179 just found
Sat, Dec 5 - Wed, Dec 9
ATL
Hartsfield-Jackson Atlanta Intl.
EWR
Newark Liberty Intl. Airport
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Delta flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 9, priced at $179 just found
Tue, Nov 3 - Tue, Nov 10
FLL
Fort Lauderdale - Hollywood Intl.
EWR
Newark Liberty Intl. Airport
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Nov 3 from Fort Lauderdale - Hollywood Intl. to Newark Liberty Intl. Airport, returning Tue, Nov 10, priced at $199 found 4 days ago
Sat, Jan 16 - Tue, Jan 19
LAX
Los Angeles Intl.
LGA
LaGuardia
$324 Roundtrip, found 4 hours ago
$324
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Jan 16 from Los Angeles Intl. to LaGuardia, returning Tue, Jan 19, priced at $324 found 4 hours ago
Mon, Nov 16 - Thu, Nov 19
SFO
San Francisco Intl.
LGA
LaGuardia
$324 Roundtrip, found 2 hours ago
$324
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Nov 16 from San Francisco Intl. to LaGuardia, returning Thu, Nov 19, priced at $324 found 2 hours ago
Tue, Nov 17 - Wed, Dec 2
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$329 Roundtrip, found 17 hours ago
$329
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Tue, Nov 17 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Wed, Dec 2, priced at $329 found 17 hours ago
OriginDestinationTravel DatesFlights From*
PBGNew YorkNovember 6 to November 8$665
PBGNewarkNovember 6 to November 8$812
PBGNew YorkNovember 6 to November 8$985
*Prices include taxes and fees

Best Union County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Tudor Lux
4.0-star property

Tudor Lux

Nov 5 - Nov 8

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $4,931, price is now $2,503 per person
$2,503
per person
found 18 hours ago
1 Hotel Brooklyn Bridge
5.0-star property

1 Hotel Brooklyn Bridge

Dec 22 - Dec 29

7 night stay

Atlanta (ATL) to New York (JFK)

JetBlue Airways • Roundtrip • Coach
Save 100% on your flight
Price was $4,932, price is now $2,675 per person
$2,675
per person
found 1 day ago
Casa De Miliki
3.0-star property

Casa De Miliki

Nov 25 - Nov 29

4 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $7,214, price is now $3,928 per person
$3,928
per person
found 1 day ago
Don't see what you're looking for?
See all available trips from San Juan to Union County
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Travelers ❤️ These Union County 🏨

ROW NYC

ROW NYC

4 out of 5
700 8th Avenue New York NY
Stay at this hotel in New York. Enjoy free WiFi, breakfast (surcharge), and a fitness center. Popular attractions Times Square and Broadway are located nearby.
8/10 Very Good! (2,500 reviews)
"Would stay again"

Reviewed on Oct 18, 2026

Opens in a new windowROW NYC
Sheraton New York Times Square Hotel

Sheraton New York Times Square Hotel

4 out of 5
811 7th Ave New York NY
Book a stay at this business-friendly hotel in New York. Enjoy breakfast (surcharge), a 24-hour fitness center, and parking (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Radio City Music Hall and Rockefeller Center are located nearby.
Opens in a new windowSheraton New York Times Square Hotel
Pod Times Square

Pod Times Square

3 out of 5
400 W 42nd Street New York NY
Stay at this hotel in New York. Enjoy breakfast (surcharge), a 24-hour front desk, and daily housekeeping. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Times Square and Broadway are located nearby.
9.2/10 Wonderful! (6,177 reviews)
"Compact but well organized room"

Reviewed on Oct 17, 2026

Opens in a new windowPod Times Square
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Empire Hotel

Empire Hotel

4 out of 5
44 W 63rd St New York NY
Book a stay at this boutique hotel in New York. Enjoy free WiFi, an outdoor pool, and 3 restaurants. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Manhattan Cruise Terminal and Radio City Music Hall are located nearby.
Opens in a new windowEmpire Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Union County?
A roundtrip flight to Union County cost as little as $78 within the last seven days. Once you've chosen your travel dates, we'll help you snap up a fantastic deal. This price was available on Travelocity for flights to Union County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Union County?
Leave January clear in your calendar, because it's the cheapest time to hop on a plane to Union County. That's based on Travelocity's direct flight demand from January to December last year. With more cash in your pocket, you can indulge in some retail therapy, go for a fancy meal or whatever else you feel like!
How can I check my flight status to Union County?
Check on the status of your flight to Union County, make changes and more from our handy "Trips" portal. Found at the top right of our homepage, it's your gateway to viewing your bookings. All you need to do is log in or create a new account. Savvy adventurers will also appreciate the Travelocity app. You'll get alerts for any gate changes and flight delays, as well as the ability to find great deals on flights, hotels and rental cars while you're out and about. If you have friends or family flying with you, it's also a great way to share travel details with each other.
How do I find the best deals on flights to Union County?
An excellent way to snap up a bargain is to be flexible with your dates. Start by searching for your flight to Union County, then hit the "Flexible dates" box at the top of the results. This will reveal prices for nearby dates. Want another great tip? Book in advance. To give you an idea of fares, $78 was the lowest price for a return flight to Union County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Union County with Travelocity?
Where to start! With our cheap flights to Union County, hotels, rental cars, activities and more, you'll find everything you need to create your perfect trip with Travelocity. Book your cheap family flights and take advantage of our round-the-clock social media support and free cancellations on select hotels if you need. Our aim is to provide stress-free travel when you book with us so that you can spend less time worrying and more time exploring with your travel crew.
What are the most popular flight routes to Union County?
Browse through these busy flight routes to Union County and start organizing your next adventure:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Liberty Intl. Airport (EWR) - 3,588 flights a month.
  • Orlando, FL (MCO-Orlando Intl.) to Liberty Intl. Airport (EWR) - 3,575 flights a month.
  • Fort Lauderdale, FL (FLL-Fort Lauderdale - Hollywood Intl.) to Liberty Intl. Airport (EWR) - 3,037 flights a month.

How much is a flight to Union County on average?
Based on prices found on Travelocity over the last seven days, roundtrip flights to Union County cost between $78 and $985. When you're ready to take off, Travelocity will help you find a fare that won't blow your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Union County?
To get a feel for the average length of a direct flight to Union County, browse through these preferred routes:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Liberty Intl. Airport (EWR) - 2 hours and 21 minutes
  • Orlando, FL (MCO-Orlando Intl.) to Liberty Intl. Airport (EWR) - 2 hours and 47 minutes
  • Fort Lauderdale, FL (FLL-Fort Lauderdale - Hollywood Intl.) to Liberty Intl. Airport (EWR) - 3 hours and 5 minutes

What can I expect on a flight to Union County?
This will mostly depend on your departure point and which carrier you book with. You're likely to find all types of flights to Union County, from first class fares to cheap flights for family vacations. If you're traveling long haul, your airline will typically offer meals and drinks, a range of entertainment programs as well as games to keep your little ones busy.