Cheap flights to Union County

View €115 flight on Sun, 18 Jan 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Breeze Airways

    Breeze Airways

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

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Cheap round-trip flights to Union County

Prices were available within the past 7 days and start at €115 for one-way flights and €171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 5 Feb - Sun, 8 Feb
MCO
Orlando
GSP
Greenville
€171 Return, found 5 hours ago
€171
Return
found 5 hours ago
Select American Airlines flight, departing Thu, 5 Feb from Orlando to Greenville, returning Sun, 8 Feb, priced at €171 found 5 hours ago
Delta
Thu, 5 Feb - Sun, 8 Feb
MCO
Orlando
GSP
Greenville
€196 Return, found 5 hours ago
€196
Return
found 5 hours ago
Select Delta flight, departing Thu, 5 Feb from Orlando to Greenville, returning Sun, 8 Feb, priced at €196 found 5 hours ago
American Airlines
Sun, 18 Jan - Tue, 27 Jan
BOS
Boston
GSP
Greenville
€223 Return, found 11 hours ago
€223
Return
found 11 hours ago
Select American Airlines flight, departing Sun, 18 Jan from Boston to Greenville, returning Tue, 27 Jan, priced at €223 found 11 hours ago
American Airlines
Thu, 15 Jan - Sun, 18 Jan
FLL
Fort Lauderdale
GSP
Greenville
€238 Return, found 12 hours ago
€238
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 15 Jan from Fort Lauderdale to Greenville, returning Sun, 18 Jan, priced at €238 found 12 hours ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
FAY
Fayetteville
GSP
Greenville
€261 Return, found 7 hours ago
€261
Return
found 7 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Fayetteville to Greenville, returning Sun, 18 Jan, priced at €261 found 7 hours ago
United
Thu, 15 Jan - Sun, 18 Jan
FLL
Fort Lauderdale
GSP
Greenville
€268 Return, found 12 hours ago
€268
Return
found 12 hours ago
Select United flight, departing Thu, 15 Jan from Fort Lauderdale to Greenville, returning Sun, 18 Jan, priced at €268 found 12 hours ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
PHL
Philadelphia
GSP
Greenville
€302 Return, found 2 days ago
€302
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from Philadelphia to Greenville, returning Sun, 18 Jan, priced at €302 found 2 days ago
Lufthansa
Thu, 15 Jan - Mon, 19 Jan
DUB
Dublin
GSP
Greenville
€479 Return, found 4 days ago
€479
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 15 Jan from Dublin to Greenville, returning Mon, 19 Jan, priced at €479 found 4 days ago
Air Canada
Sat, 31 Jan - Sat, 7 Feb
DUB
Dublin
GSP
Greenville
€506 Return, found 23 hours ago
€506
Return
found 23 hours ago
Select Air Canada flight, departing Sat, 31 Jan from Dublin to Greenville, returning Sat, 7 Feb, priced at €506 found 23 hours ago
KLM
Wed, 18 Feb - Sun, 22 Feb
DUB
Dublin
GSP
Greenville
€564 Return, found 2 days ago
€564
Return
found 2 days ago
Select KLM flight, departing Wed, 18 Feb from Dublin to Greenville, returning Sun, 22 Feb, priced at €564 found 2 days ago

About Union County

Expedia offers flights to Union County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Union County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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. €171 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 Boston (BOS) sold for just €115 in the last seven days. During this time, the cost of a return air ticket to Union County ranged between €171 and €564. 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.
How much is a plane ticket to Union County?
Ticket prices to Union County ranged from €171 to €564 in the last seven days. Usually, the earlier you make a reservation, the bigger the bargain.
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 21ºC and 32ºC.
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.

Trending flights to Union County

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

Lufthansa
Thu, 15 Jan - Mon, 19 Jan
DUB
Dublin
GSP
Greenville
€479 Return, found 4 days ago
€479
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 15 Jan from Dublin to Greenville, returning Mon, 19 Jan, priced at €479 found 4 days ago
*Available to Expedia members.