Cheap Flights to Union County from $51

View $51 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Breeze Airways

  • Alaska Airlines

  • Air Canada

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How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at $51 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 11 - Mon, Sep 14
BDL
Hartford
GSP
Greenville
$90 Roundtrip, found 2 hours ago
$90
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Fri, Sep 11 from Hartford to Greenville, returning Mon, Sep 14, priced at $90 found 2 hours ago
Breeze Airways
Fri, Sep 11 - Mon, Sep 14
BDL
Hartford
GSP
Greenville
$95 Roundtrip, found 2 hours ago
$95
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Fri, Sep 11 from Hartford to Greenville, returning Mon, Sep 14, priced at $95 found 2 hours ago
Breeze Airways
Fri, Sep 11 - Mon, Sep 14
BDL
Hartford
GSP
Greenville
$100 Roundtrip, found 2 hours ago
$100
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Fri, Sep 11 from Hartford to Greenville, returning Mon, Sep 14, priced at $100 found 2 hours ago
Breeze Airways
Tue, Aug 25 - Tue, Sep 1
PVD
Providence
GSP
Greenville
$102 Roundtrip, found 1 hour ago
$102
Roundtrip
found 1 hour ago
Select Breeze Airways flight, departing Tue, Aug 25 from Providence to Greenville, returning Tue, Sep 1, priced at $102 found 1 hour ago
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
MCO
Orlando
GSP
Greenville
$107 Roundtrip, found 13 hours ago
$107
Roundtrip
found 13 hours ago
Select Breeze Airways flight, departing Fri, Aug 21 from Orlando to Greenville, returning Mon, Aug 24, priced at $107 found 13 hours ago
Breeze Airways
Fri, Aug 21 - Mon, Aug 24
MCO
Orlando
GSP
Greenville
$112 Roundtrip, found 3 days ago
$112
Roundtrip
found 3 days ago
Select Breeze Airways flight, departing Fri, Aug 21 from Orlando to Greenville, returning Mon, Aug 24, priced at $112 found 3 days ago
Delta
Tue, Mar 24 - Tue, Mar 31
BWI
Baltimore
GSP
Greenville
$147 Roundtrip, found 16 hours ago
$147
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 24 from Baltimore to Greenville, returning Tue, Mar 31, priced at $147 found 16 hours ago
United
Wed, Mar 25 - Sat, Mar 28
IAD
Washington
GSP
Greenville
$152 Roundtrip, found 13 hours ago
$152
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Mar 25 from Washington to Greenville, returning Sat, Mar 28, priced at $152 found 13 hours ago
American Airlines
Wed, Mar 18 - Tue, Mar 24
MCO
Orlando
GSP
Greenville
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Orlando to Greenville, returning Tue, Mar 24, priced at $177 found 7 hours ago
Southwest Airlines
Tue, Mar 17 - Tue, Mar 24
MCO
Orlando
GSP
Greenville
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Mar 17 from Orlando to Greenville, returning Tue, Mar 24, priced at $177 found 5 days ago

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Airports in Union County

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

Select flight to Greenville-Spartanburg Intl. GSP. Cheapest option available. Flights from $333
GSP
Greenville-Spartanburg Intl.
Cheapest
Flights from $333

Trending flights to Union County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Fri, Sep 11 - Mon, Sep 14
BDL
Hartford
GSP
Greenville
$90 Roundtrip, found 2 hours ago
$90
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Fri, Sep 11 from Hartford to Greenville, returning Mon, Sep 14, priced at $90 found 2 hours ago

Frequently asked questions

How do I find cheap flights to Union County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to get you the most flexible fares in town. Just click on "No change fee" directly under the filter subheading "Flexible change policies" to find your ideal flight to Union County.
Which airlines fly to Union County?
Reserve your seat with one of these airlines and the dynamic region of Union County will be yours to discover:

  • American Airlines - 529 flights to or near Union County each month, including 529 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.
  • Delta Air Lines - 333 flights to or near Union County each month, including 333 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.
  • United Airlines - 234 flights to or near Union County each month, including 234 flights to Greenville-Spartanburg Intl. Airport (GSP) per month.

How can I find cheap tickets to Union County?
You'll always get an amazing deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred travel date, then click on the flexible dates link above to reveal the cheapest prices for nearby days. $90 was the cheapest price for a flight to Union County in the last seven days.
How much is a flight to Union County?
One-way trips departing from Providence (PVD) sold for just $51 in the last seven days. During this time, the cost of a return air ticket to Union County ranged between $90 and $177. If you spot a good deal, book immediately — these fares don't stick around for long.
What are the most popular airports to fly into in Union County?
Fly into Greenville-Spartanburg Intl. Airport (GSP) and experience all that Union County has to offer. As the region's main entry point, roughly 1,253 flights land here every month.
When is the cheapest time to fly to Union County?
Jet off on a Tuesday to raise your chances of securing the cheapest deal to Union County. Mondays are usually the next most affordable day to take off. Saturday is generally the costliest day to fly anywhere.
How much is a plane ticket to Union County?
Ticket prices to Union County ranged from $90 to $177 in the last seven days. Usually, the earlier you make a reservation, the bigger the bargain.
What months are the cheapest to book a flight to Union County?
February is the best month to snap up a fabulous deal to Union County. Bear in mind that the priciest time to book a ticket in the U.S. Isn't the middle of summer, but the month of December.
How long is a flight to Union County?
Whether or not you'll have time for a movie marathon depends on where you're taking off from. To give you a rough idea, here are the average flight times for three leading domestic routes to Union County:

  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Greenville-Spartanburg Intl. Airport (GSP) - 1 hour and 4 minutes
  • Charlotte, NC (CLT-Charlotte-Douglas Intl.) to Greenville-Spartanburg Intl. Airport (GSP) - 49 minutes
  • Chicago, IL (ORD-OHare Intl.) to Greenville-Spartanburg Intl. Airport (GSP) - 1 hour and 54 minutes

What is the best time to go to Union County?
If you want to check out Union County's leading city when it's at its liveliest, head for Union sometime during April, June and December. Like most places in the Northern Hemisphere, summertime here begins June 20, with temperatures ranging between 70ºF and 90ºF.

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