Cheap flights to Union County

View €691 flight on Sat, 3 Oct 2026Opens in a new window

Popular airlines to Union County

  • Alaska Airlines

  • American Airlines

  • Japan Airlines

  • Qatar Airways

  • Aer Lingus

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Cheap round-trip flights to Union County

Prices were available within the past 7 days and start at €691 for one-way flights and €1,132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,132 Return, found 5 days ago
€1,132
Return
found 5 days ago
Select Icelandair flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,132 found 5 days ago
American Airlines
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,197 Return, found 5 days ago
€1,197
Return
found 5 days ago
Select American Airlines flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,197 found 5 days ago
American Airlines
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,199 Return, found 5 days ago
€1,199
Return
found 5 days ago
Select American Airlines flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,199 found 5 days ago
Finnair
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,201 Return, found 5 days ago
€1,201
Return
found 5 days ago
Select Finnair flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,201 found 5 days ago
Finnair
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,203 Return, found 5 days ago
€1,203
Return
found 5 days ago
Select Finnair flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,203 found 5 days ago
American Airlines
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,204 Return, found 5 days ago
€1,204
Return
found 5 days ago
Select American Airlines flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,204 found 5 days ago
Finnair
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,208 Return, found 5 days ago
€1,208
Return
found 5 days ago
Select Finnair flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,208 found 5 days ago
American Airlines
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,211 Return, found 5 days ago
€1,211
Return
found 5 days ago
Select American Airlines flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,211 found 5 days ago
British Airways
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,213 Return, found 5 days ago
€1,213
Return
found 5 days ago
Select British Airways flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,213 found 5 days ago
Aer Lingus
Tue, 26 May - Sun, 31 May
DUB
Dublin
ALW
Walla Walla
€1,231 Return, found 11 hours ago
€1,231
Return
found 11 hours ago
Select Aer Lingus flight, departing Tue, 26 May from Dublin to Walla Walla, returning Sun, 31 May, priced at €1,231 found 11 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.

Icelandair
Sat, 3 Oct - Tue, 13 Oct
DUB
Dublin
ALW
Walla Walla
€1,132 Return, found 5 days ago
€1,132
Return
found 5 days ago
Select Icelandair flight, departing Sat, 3 Oct from Dublin to Walla Walla, returning Tue, 13 Oct, priced at €1,132 found 5 days 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, €1,132 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 €1,132 and €1,231. If you were travelling one way out of Dublin (DUB), you could have purchased a cheap fare from only €691.
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.
How much is a plane ticket to Union County?
Seats ranged anywhere from €1,132 to €1,231 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.

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About Union County

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About Union County

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