Cheap Flights to Union County from $79 (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.

Sat, Feb 27 - Mon, Mar 1
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$157 Roundtrip, found 3 hours ago
$157
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Feb 27 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Mon, Mar 1, priced at $157 found 3 hours ago
Wed, Sep 16 - Wed, Sep 16
DFW
Dallas-Fort Worth Intl.
EWR
Newark Liberty Intl. Airport
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Dallas-Fort Worth Intl. to Newark Liberty Intl. Airport, returning Wed, Sep 16, priced at $163 found 3 days ago
Sat, Oct 31 - Sat, Oct 31
ATL
Hartsfield-Jackson Atlanta Intl.
LGA
LaGuardia
$166 Roundtrip, just found
$166
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 31 from Hartsfield-Jackson Atlanta Intl. to LaGuardia, returning Sat, Oct 31, priced at $166 just found
Mon, Oct 26 - Sat, Oct 31
SFO
San Francisco Intl.
LGA
LaGuardia
$300 Roundtrip, just found
$300
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 26 from San Francisco Intl. to LaGuardia, returning Sat, Oct 31, priced at $300 just found
Mon, Oct 26 - Thu, Oct 29
SFO
San Francisco Intl.
EWR
Newark Liberty Intl. Airport
$300 Roundtrip, just found
$300
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Oct 26 from San Francisco Intl. to Newark Liberty Intl. Airport, returning Thu, Oct 29, priced at $300 just found
Tue, Sep 22 - Tue, Sep 29
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$305 Roundtrip, just found
$305
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 22 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Sep 29, priced at $305 just found
Fri, Oct 2 - Sat, Oct 3
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$309 Roundtrip, just found
$309
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 2 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Oct 3, priced at $309 just found
Mon, Sep 28 - Sat, Oct 3
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$310 Roundtrip, just found
$310
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 28 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Oct 3, priced at $310 just found
Tue, Sep 22 - Tue, Oct 27
LAX
Los Angeles Intl.
LGA
LaGuardia
$323 Roundtrip, found 2 days ago
$323
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Sep 22 from Los Angeles Intl. to LaGuardia, returning Tue, Oct 27, priced at $323 found 2 days ago
Wed, Nov 4 - Wed, Nov 4
LAX
Los Angeles Intl.
EWR
Newark Liberty Intl. Airport
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Wed, Nov 4 from Los Angeles Intl. to Newark Liberty Intl. Airport, returning Wed, Nov 4, priced at $326 found 4 days ago
Tue, Oct 27 - Tue, Oct 27
LAX
Los Angeles Intl.
JFK
John F. Kennedy Intl.
$332 Roundtrip, found 4 days ago
$332
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 27 from Los Angeles Intl. to John F. Kennedy Intl., returning Tue, Oct 27, priced at $332 found 4 days ago
OriginDestinationTravel DatesFlights From*
PBGNew YorkNovember 13 to November 16$476
PBGNewarkSeptember 22 to September 26$1,369
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PBGNewarkSeptember 4 to September 8$1,960
*Prices include taxes and fees

Best Union County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
1 Hotel Brooklyn Bridge
5.0-star property

1 Hotel Brooklyn Bridge

Oct 15 - Oct 18

3 night stay

Atlanta (ATL) to New York (JFK)

Frontier Airlines • Roundtrip • Coach
Price was $3,040, price is now $1,591 per person
$1,591
per person
found 1 day ago
Casa De Miliki
3.0-star property

Casa De Miliki

Nov 4 - Nov 8

4 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $6,756, price is now $3,260 per person
$3,260
per person
found 1 day ago
Cozy Home near City Center with Hot tub
3.0-star property

Cozy Home near City Center with Hot tub

Nov 4 - Nov 8

4 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Price was $6,908, price is now $3,403 per person
$3,403
per person
found 1 day ago
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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 room service. Popular attractions Times Square and Broadway are located nearby.
Opens in a new windowRow Nyc
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.
Opens in a new windowHyatt Grand Central New York
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
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NEW YORKER BY LOTTE HOTELS

NEW YORKER BY LOTTE HOTELS

4 out of 5
481 Eighth Ave. New York NY
Stay at this hotel in New York. Enjoy 3 restaurants, breakfast (surcharge), and a fitness center. Our guests praise the breakfast and the restaurant in our reviews. Popular attractions Madison Square Garden and Times Square are located nearby.
8.2/10 Very Good! (7,196 reviews)
"Small rooms as expected, shower dripped and AC would keep shutting off, but great for location and reasonably priced."

Reviewed on Aug 29, 2026

Opens in a new windowNEW YORKER BY LOTTE HOTELS
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 $157 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 February 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, $157 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 $157 and $1,960. 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.