Cheap Flights to Union County

View AU$278 flight on Thu, 28 May 2026Opens in a new window

Popular airlines to Union County

  • Alaska Airlines

  • American Airlines

  • Qatar Airways

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Cheapest Flights to Union County

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$679 Return, found 12 hours ago
AU$679
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$679 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$821 Return, found 12 hours ago
AU$821
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$821 found 12 hours ago
Alaska Airlines
Fri, 22 May - Fri, 29 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$835 Return, found 12 hours ago
AU$835
Return
found 12 hours ago
Select Alaska Airlines flight, departing Fri, 22 May from San Luis Obispo to Walla Walla, returning Fri, 29 May, priced at AU$835 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$850 Return, found 12 hours ago
AU$850
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$850 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$859 Return, found 12 hours ago
AU$859
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$859 found 12 hours ago
Alaska Airlines
Fri, 22 May - Fri, 29 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$982 Return, found 12 hours ago
AU$982
Return
found 12 hours ago
Select Alaska Airlines flight, departing Fri, 22 May from San Luis Obispo to Walla Walla, returning Fri, 29 May, priced at AU$982 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,009 Return, found 12 hours ago
AU$1,009
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$1,009 found 12 hours ago
Alaska Airlines
Fri, 22 May - Fri, 29 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,011 Return, found 12 hours ago
AU$1,011
Return
found 12 hours ago
Select Alaska Airlines flight, departing Fri, 22 May from San Luis Obispo to Walla Walla, returning Fri, 29 May, priced at AU$1,011 found 12 hours ago
Alaska Airlines
Fri, 22 May - Fri, 29 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,037 Return, found 12 hours ago
AU$1,037
Return
found 12 hours ago
Select Alaska Airlines flight, departing Fri, 22 May from San Luis Obispo to Walla Walla, returning Fri, 29 May, priced at AU$1,037 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,044 Return, found 12 hours ago
AU$1,044
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$1,044 found 12 hours ago
Alaska Airlines
Thu, 28 May - Sun, 31 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,098 Return, found 12 hours ago
AU$1,098
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 28 May from San Luis Obispo to Walla Walla, returning Sun, 31 May, priced at AU$1,098 found 12 hours ago
American Airlines
Fri, 22 May - Fri, 29 May
SBP
San Luis Obispo
ALW
Walla Walla
AU$1,321 Return, found 12 hours ago
AU$1,321
Return
found 12 hours ago
Select American Airlines flight, departing Fri, 22 May from San Luis Obispo to Walla Walla, returning Fri, 29 May, priced at AU$1,321 found 12 hours ago

Frequently asked questions

How do I find cheap flights to Union County that have flexible change policies?
We get that travel arrangements can change very quickly, so choosing a flexible ticket with Expedia is always a wise idea. Simply mark the "No change fee" box below the "Flexible change policies" filter. Your well-priced and flexible flight to Union County is only a few clicks away.
Which airlines fly to Union County?
With a great selection of airlines flying into or near Union County, the choice is yours:

  • Alaska Airlines - 754 flights to or near Union County each month, including 754 flights to Boise Airport (BOI) per month.
  • Delta Air Lines - 489 flights to or near Union County each month, including 489 flights to Boise Airport (BOI) per month.
  • United Airlines - 303 flights to or near Union County each month, including 303 flights to Boise Airport (BOI) per month.

How can I find cheap tickets to Union County?
In the last seven days, AU$679 was the best price for a flight to Union County. For an even cheaper fare, book well ahead of time and be flexible with your travel dates. Search for your flight to Union County, then compare prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Union County?
The price of a round-trip ticket to Union County in the last seven days varied between AU$679 and AU$1,321. If you were travelling one way out of San Luis Obispo (SBP), you could have purchased a cheap fare from only AU$278.
What are the most popular airports to fly into in Union County?
Zip up your suitcase and fly into Boise Airport (BOI), Union County's major flight hub. Reserve a seat on one of the 1 994 flights that land at this well-known destination each month.
When is the cheapest time to fly to Union County?
If you're not set on what day you jet off to Union County, try to fly out early in the week. The most affordable day to take off is normally Tuesday, followed by Monday. Saturday is typically the costliest day, with many holiday makers opting to fly on the weekend.
How much is a plane ticket to Union County?
Seats ranged anywhere from AU$679 to AU$1,321 over the last seven days. When you're ready to book, we're ready to help you grab an awesome deal to Union County.
What is the best time to go to Union County?
A lovely time to check out La Grande is after June 20 when summer begins. In Union County's major city, average temperatures fluctuate from 10ºC to 24ºC at this time — ideal weather for sightseeing! March, May and July are the most popular months to travel to this hot spot.
What months are the cheapest to book a flight to Union County?
February is the best month to secure a seat for your Union County break. Fares are at their most expensive throughout the month of December, so steer clear of this time if you can.

Travel information

Union County Flights Information

Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
from AU$679
Union County Flights Information

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