Wallowa Mountains rising above the Grande Ronde Valley in Oregon, USA

Cheap Flights to Union County from $75

View $75 flight on Tue, Jun 30, 2026Opens in a new window

Popular airlines to Union County

  • Alaska Airlines

  • American Airlines

  • Japan Airlines

  • Qatar Airways

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How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at $75 for one-way flights and $145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Boutique Air
Sat, Sep 5 - Sun, Sep 6
PDX
Portland
PDT
Pendleton
$145 Roundtrip, just found
$145
Roundtrip
just found
Select Boutique Air flight, departing Sat, Sep 5 from Portland to Pendleton, returning Sun, Sep 6, priced at $145 just found
Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
SEA
Seattle
ALW
Walla Walla
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 22 from Seattle to Walla Walla, returning Sat, Aug 29, priced at $177 just found
Boutique Air
Tue, Jun 23 - Wed, Jun 24
PDX
Portland
PDT
Pendleton
$182 Roundtrip, just found
$182
Roundtrip
just found
Select Boutique Air flight, departing Tue, Jun 23 from Portland to Pendleton, returning Wed, Jun 24, priced at $182 just found
Alaska Airlines
Fri, Oct 9 - Sat, Oct 10
SEA
Seattle
ALW
Walla Walla
$187 Roundtrip, found 23 hours ago
$187
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Fri, Oct 9 from Seattle to Walla Walla, returning Sat, Oct 10, priced at $187 found 23 hours ago
Boutique Air
Thu, Jul 16 - Wed, Jul 22
PDX
Portland
PDT
Pendleton
$191 Roundtrip, found 1 hour ago
$191
Roundtrip
found 1 hour ago
Select Boutique Air flight, departing Thu, Jul 16 from Portland to Pendleton, returning Wed, Jul 22, priced at $191 found 1 hour ago
Alaska Airlines
Fri, Oct 2 - Sun, Oct 4
SEA
Seattle
ALW
Walla Walla
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Fri, Oct 2 from Seattle to Walla Walla, returning Sun, Oct 4, priced at $197 found 15 hours ago
Boutique Air
Sun, Jul 5 - Mon, Jul 6
PDX
Portland
PDT
Pendleton
$205 Roundtrip, just found
$205
Roundtrip
just found
Select Boutique Air flight, departing Sun, Jul 5 from Portland to Pendleton, returning Mon, Jul 6, priced at $205 just found
Boutique Air
Wed, Jul 1 - Sun, Jul 5
PDX
Portland
PDT
Pendleton
$208 Roundtrip, found 6 hours ago
$208
Roundtrip
found 6 hours ago
Select Boutique Air flight, departing Wed, Jul 1 from Portland to Pendleton, returning Sun, Jul 5, priced at $208 found 6 hours ago
Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
SEA
Seattle
ALW
Walla Walla
$212 Roundtrip, found 2 hours ago
$212
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Oct 27 from Seattle to Walla Walla, returning Sat, Oct 31, priced at $212 found 2 hours ago
American Airlines
Wed, Aug 19 - Sat, Aug 22
SEA
Seattle
ALW
Walla Walla
$257 Roundtrip, found 9 hours ago
$257
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Aug 19 from Seattle to Walla Walla, returning Sat, Aug 22, priced at $257 found 9 hours ago

Trending flights to Union County

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

Boutique Air
Sat, Sep 5 - Sun, Sep 6
PDX
Portland
PDT
Pendleton
$145 Roundtrip, just found
$145
Roundtrip
just found
Select Boutique Air flight, departing Sat, Sep 5 from Portland to Pendleton, returning Sun, Sep 6, priced at $145 just found

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, $145 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 $145 and $257. If you were traveling one way out of Portland (PDX), you could have purchased a cheap fare from only $75.
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 vacationers opting to fly on the weekend.
How much is a plane ticket to Union County?
Seats ranged anywhere from $145 to $257 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 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.
How long is a flight to Union County?
Your flight to Union County could be short or long depending on where you depart from. Before you load your tablet with podcasts and audiobooks, take a look at the average flight times for these sought-after domestic routes:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boise Airport (BOI) - 1 hour and 26 minutes
  • Denver, CO (DEN-Denver Intl.) to Boise Airport (BOI) - 1 hour and 57 minutes
  • San Francisco, CA (SFO-San Francisco Intl.) to Boise Airport (BOI) - 1 hour and 40 minutes

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 50ºF to 75ºF at this time — ideal weather for sightseeing! March, May and July are the most popular months to travel to this hot spot.

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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.