Cheap Flights to Union County from $119

View $119 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines to Union County

  • Alaska Airlines

  • American Airlines

  • Japan Airlines

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How much is the cheapest flight to Union County?

Prices were available within the past 7 days and start at $119 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
SEA
Seattle
ALW
Walla Walla
$177 Roundtrip, found 11 hours ago
$177
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Aug 22 from Seattle to Walla Walla, returning Sat, Aug 29, priced at $177 found 11 hours ago
Alaska Airlines
Fri, Oct 9 - Tue, Oct 13
SEA
Seattle
ALW
Walla Walla
$187 Roundtrip, found 14 hours ago
$187
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, Oct 9 from Seattle to Walla Walla, returning Tue, Oct 13, priced at $187 found 14 hours ago
Alaska Airlines
Fri, Sep 11 - Sun, Sep 13
SEA
Seattle
ALW
Walla Walla
$197 Roundtrip, found 13 hours ago
$197
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Fri, Sep 11 from Seattle to Walla Walla, returning Sun, Sep 13, priced at $197 found 13 hours ago
Alaska Airlines
Sat, Oct 10 - Mon, Oct 12
SEA
Seattle
ALW
Walla Walla
$212 Roundtrip, found 11 hours ago
$212
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Seattle to Walla Walla, returning Mon, Oct 12, priced at $212 found 11 hours ago
Alaska Airlines
Thu, Nov 19 - Sat, Nov 28
SEA
Seattle
ALW
Walla Walla
$222 Roundtrip, found 9 hours ago
$222
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Thu, Nov 19 from Seattle to Walla Walla, returning Sat, Nov 28, priced at $222 found 9 hours ago
Alaska Airlines
Thu, Sep 3 - Mon, Sep 7
SEA
Seattle
ALW
Walla Walla
$242 Roundtrip, found 14 hours ago
$242
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Sep 3 from Seattle to Walla Walla, returning Mon, Sep 7, priced at $242 found 14 hours ago
Alaska Airlines
Sat, Jun 27 - Fri, Jul 3
SEA
Seattle
ALW
Walla Walla
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jun 27 from Seattle to Walla Walla, returning Fri, Jul 3, priced at $247 just found
American Airlines
Tue, Oct 27 - Sat, Oct 31
SEA
Seattle
ALW
Walla Walla
$257 Roundtrip, found 14 hours ago
$257
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Oct 27 from Seattle to Walla Walla, returning Sat, Oct 31, priced at $257 found 14 hours ago
Alaska Airlines
Fri, Oct 9 - Tue, Oct 13
SEA
Seattle
ALW
Walla Walla
$267 Roundtrip, found 14 hours ago
$267
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, Oct 9 from Seattle to Walla Walla, returning Tue, Oct 13, priced at $267 found 14 hours ago
Alaska Airlines
Sun, Jul 26 - Wed, Aug 19
SEA
Seattle
ALW
Walla Walla
$272 Roundtrip, found 1 day ago
$272
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Jul 26 from Seattle to Walla Walla, returning Wed, Aug 19, priced at $272 found 1 day ago
Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Airports in Union County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Walla Walla Regional ALW. Cheapest option available. Flights from $641
ALW
Walla Walla Regional
Cheapest
Flights from $641

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.

Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
SEA
Seattle
ALW
Walla Walla
$177 Roundtrip, found 11 hours ago
$177
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Aug 22 from Seattle to Walla Walla, returning Sat, Aug 29, priced at $177 found 11 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, $177 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 $177 and $272. If you were traveling one way out of Seattle (SEA), you could have purchased a cheap fare from only $119.
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 $177 to $272 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.

Book with confidence

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.