Flight Destinations in Union County

View ฿11,895 flight on Sun, 22 Mar 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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    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 ฿11,895 for one-way flights and ฿19,725 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿19,725 Return, found 20 hours ago
฿19,725
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿19,725 found 20 hours ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿19,825 Return, found 20 hours ago
฿19,825
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿19,825 found 20 hours ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿20,580 Return, found 20 hours ago
฿20,580
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿20,580 found 20 hours ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿20,585 Return, found 20 hours ago
฿20,585
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿20,585 found 20 hours ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿20,840 Return, found 20 hours ago
฿20,840
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿20,840 found 20 hours ago
American Airlines
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿20,940 Return, found 20 hours ago
฿20,940
Return
found 20 hours ago
Select American Airlines flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿20,940 found 20 hours ago
Delta
Sun, 22 Mar - Wed, 25 Mar
SFO
San Francisco
GSP
Greenville
฿21,220 Return, found 20 hours ago
฿21,220
Return
found 20 hours ago
Select Delta flight, departing Sun, 22 Mar from San Francisco to Greenville, returning Wed, 25 Mar, priced at ฿21,220 found 20 hours ago
Cathay Pacific
Sun, 6 Sept - Wed, 16 Sept
BKK
Bangkok
GSP
Greenville
฿45,115 Return, found 2 days ago
฿45,115
Return
found 2 days ago
Select Cathay Pacific flight, departing Sun, 6 Sept from Bangkok to Greenville, returning Wed, 16 Sept, priced at ฿45,115 found 2 days ago
Qatar Airways
Mon, 30 Mar - Mon, 29 Jun
BKK
Bangkok
GSP
Greenville
฿46,925 Return, found 2 days ago
฿46,925
Return
found 2 days ago
Select Qatar Airways flight, departing Mon, 30 Mar from Bangkok to Greenville, returning Mon, 29 Jun, priced at ฿46,925 found 2 days ago
United
Sun, 6 Sept - Wed, 16 Sept
BKK
Bangkok
GSP
Greenville
฿50,805 Return, found 2 days ago
฿50,805
Return
found 2 days ago
Select United flight, departing Sun, 6 Sept from Bangkok to Greenville, returning Wed, 16 Sept, priced at ฿50,805 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. ฿19,725 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 San Francisco (SFO) sold for just ฿11,895 in the last seven days. During this time, the cost of a return air ticket to Union County ranged between ฿19,725 and ฿50,805. 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 ฿19,725 to ฿50,805 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.

Cathay Pacific
Sun, 6 Sept - Wed, 16 Sept
BKK
Bangkok
GSP
Greenville
฿45,115 Return, found 2 days ago
฿45,115
Return
found 2 days ago
Select Cathay Pacific flight, departing Sun, 6 Sept from Bangkok to Greenville, returning Wed, 16 Sept, priced at ฿45,115 found 2 days ago
*Available to Expedia members.