Cheap Flights to Union County from $139 (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.

Tue, Jan 26 - Tue, Feb 2
LAX
Los Angeles Intl.
LGA
LaGuardia
$278 Roundtrip, just found
$278
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jan 26 from Los Angeles Intl. to LaGuardia, returning Tue, Feb 2, priced at $278 just found
Tue, Jan 26 - Tue, Feb 2
LAX
Los Angeles Intl.
LGA
LaGuardia
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jan 26 from Los Angeles Intl. to LaGuardia, returning Tue, Feb 2, priced at $283 just found
Tue, Jan 26 - Tue, Feb 2
LAX
Los Angeles Intl.
LGA
LaGuardia
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Jan 26 from Los Angeles Intl. to LaGuardia, returning Tue, Feb 2, priced at $283 just found
Sat, Nov 14 - Tue, Nov 17
SFO
San Francisco Intl.
LGA
LaGuardia
$288 Roundtrip, found 4 hours ago
$288
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sat, Nov 14 from San Francisco Intl. to LaGuardia, returning Tue, Nov 17, priced at $288 found 4 hours ago
Tue, Nov 17 - Thu, Nov 19
LAX
Los Angeles Intl.
LGA
LaGuardia
$316 Roundtrip, just found
$316
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 17 from Los Angeles Intl. to LaGuardia, returning Thu, Nov 19, priced at $316 just found
Wed, Dec 2 - Tue, Dec 8
LAX
Los Angeles Intl.
EWR
Newark Liberty Intl. Airport
$321 Roundtrip, found 2 hours ago
$321
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Los Angeles Intl. to Newark Liberty Intl. Airport, returning Tue, Dec 8, priced at $321 found 2 hours ago
Tue, Nov 17 - Wed, Dec 2
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day 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 1 day ago
Tue, Jan 26 - Tue, Jan 26
LAX
Los Angeles Intl.
EWR
Newark Liberty Intl. Airport
$336 Roundtrip, found 1 day ago
$336
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Jan 26 from Los Angeles Intl. to Newark Liberty Intl. Airport, returning Tue, Jan 26, priced at $336 found 1 day ago
OriginDestinationTravel DatesFlights From*
PBGNew YorkNovember 6 to November 8$665
PBGNewarkNovember 6 to November 8$812
PBGNew YorkDecember 3 to December 7$856
*Prices include taxes and fees

Best Union County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Cozy Home near City Center with Hot tub
3.0-star property

Cozy Home near City Center with Hot tub

Nov 27 - Nov 30

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $5,158, price is now $2,415 per person
$2,415
per person
found 21 hours ago
Casa De Miliki
3.0-star property

Casa De Miliki

Nov 27 - Nov 30

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $5,224, price is now $2,524 per person
$2,524
per person
found 21 hours ago
Tudor Lux
4.0-star property

Tudor Lux

Jan 5 - Jan 8

3 night stay

San Juan (SJU) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $4,937, price is now $2,590 per person
$2,590
per person
found 1 day ago
Don't see what you're looking for?
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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.
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.
7.4/10 Good! (9,622 reviews)
"The room size was good for the location. There was a reasonable amount of wear and tear in the bathroom (peeling paint, damaged door frame), but otherwise the room and everything else was clean. The basic TV channels did not work during the entire stay. There was no room service and the restaurant ..."

Reviewed on Oct 19, 2026

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.
Opens in a new windowPod Times Square
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Hyatt Grand Central New York

Hyatt Grand Central New York

4 out of 5
109 East 42nd Street New York NY
Book a stay at this business-friendly hotel in New York. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Grand Central Terminal and Bryant Park are located nearby.
8.4/10 Very Good! (7,968 reviews)
"Nothing"

Reviewed on Oct 19, 2026

Opens in a new windowHyatt Grand Central New York
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 $278 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, $278 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 $278 and $856. 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.