Cheap Flights to Union County | Popular Routes to Union County from HK$6,549

View HK$6,549 flight on Tue, 23 Jun 2026Opens in a new window

Popular airlines to Union County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Breeze Airways

  • Alaska Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Union County

Prices were available within the past 7 days and start at HK$6,549 for one-way flights and HK$11,356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 22 Jun - Tue, 30 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$11,356 Return, found 1 day ago
HK$11,356
Return
found 1 day ago
Select United flight, departing Mon, 22 Jun from Hong Kong SAR to Greenville, returning Tue, 30 Jun, priced at HK$11,356 found 1 day ago
United
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$11,956 Return, found 12 hours ago
HK$11,956
Return
found 12 hours ago
Select United flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$11,956 found 12 hours ago
Qatar Airways
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,226 Return, found 12 hours ago
HK$12,226
Return
found 12 hours ago
Select Qatar Airways flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,226 found 12 hours ago
United
Sat, 20 Jun - Fri, 26 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,556 Return, found 1 day ago
HK$12,556
Return
found 1 day ago
Select United flight, departing Sat, 20 Jun from Hong Kong SAR to Greenville, returning Fri, 26 Jun, priced at HK$12,556 found 1 day ago
United
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,736 Return, found 12 hours ago
HK$12,736
Return
found 12 hours ago
Select United flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,736 found 12 hours ago
United
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,746 Return, found 12 hours ago
HK$12,746
Return
found 12 hours ago
Select United flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,746 found 12 hours ago
United
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,763 Return, found 12 hours ago
HK$12,763
Return
found 12 hours ago
Select United flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,763 found 12 hours ago
All Nippon Airways
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,826 Return, found 12 hours ago
HK$12,826
Return
found 12 hours ago
Select All Nippon Airways flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,826 found 12 hours ago
Delta
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$12,970 Return, found 12 hours ago
HK$12,970
Return
found 12 hours ago
Select Delta flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$12,970 found 12 hours ago
Swiss International Air Lines
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$13,822 Return, found 12 hours ago
HK$13,822
Return
found 12 hours ago
Select Swiss International Air Lines flight, departing Tue, 23 Jun from Hong Kong SAR to Greenville, returning Sat, 27 Jun, priced at HK$13,822 found 12 hours ago

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.

United
Mon, 22 Jun - Tue, 30 Jun
HKG
Hong Kong SAR
GSP
Greenville
HK$11,356 Return, found 1 day ago
HK$11,356
Return
found 1 day ago
Select United flight, departing Mon, 22 Jun from Hong Kong SAR to Greenville, returning Tue, 30 Jun, priced at HK$11,356 found 1 day 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. HK$11,356 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 Hong Kong SAR (HKG) sold for just HK$6,549 in the last seven days. During this time, the cost of a return air ticket to Union County ranged between HK$11,356 and HK$13,822. 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 HK$11,356 to HK$13,822 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.

Book with confidence

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.
About Union County

Explore a world of travel with Expedia

*Available to Expedia members.