Cheap Flights to Union County from $50

View $50 flight on Tue, Jan 13, 2026Opens in a new window

Popular airlines to Union County

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

  • Japan Airlines

    Japan Airlines

  • Qatar Airways

    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 $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Boutique Air
Wed, Jan 7 - Thu, Jan 8
PDX
Portland
PDT
Pendleton
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Boutique Air flight, departing Wed, Jan 7 from Portland to Pendleton, returning Thu, Jan 8, priced at $100 just found
Boutique Air
Wed, Jan 7 - Thu, Jan 8
PDX
Portland
PDT
Pendleton
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Boutique Air flight, departing Wed, Jan 7 from Portland to Pendleton, returning Thu, Jan 8, priced at $114 just found
Hawaiian Airlines
Tue, Mar 10 - Wed, Mar 18
SEA
Seattle
ALW
Walla Walla
$117 Roundtrip, found 16 hours ago
$117
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Seattle to Walla Walla, returning Wed, Mar 18, priced at $117 found 16 hours ago
Boutique Air
Wed, Jan 7 - Thu, Jan 8
PDX
Portland
PDT
Pendleton
$129 Roundtrip, just found
$129
Roundtrip
just found
Select Boutique Air flight, departing Wed, Jan 7 from Portland to Pendleton, returning Thu, Jan 8, priced at $129 just found
Hawaiian Airlines
Tue, Mar 10 - Thu, Mar 19
SEA
Seattle
ALW
Walla Walla
$137 Roundtrip, found 16 hours ago
$137
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Seattle to Walla Walla, returning Thu, Mar 19, priced at $137 found 16 hours ago
Hawaiian Airlines
Wed, Mar 18 - Mon, Mar 30
SEA
Seattle
ALW
Walla Walla
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Mar 18 from Seattle to Walla Walla, returning Mon, Mar 30, priced at $148 found 2 days ago
Hawaiian Airlines
Tue, Jan 27 - Wed, Jan 28
SEA
Seattle
ALW
Walla Walla
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 27 from Seattle to Walla Walla, returning Wed, Jan 28, priced at $157 found 2 days ago
Alaska Airlines
Fri, Jul 17 - Sun, Jul 19
SEA
Seattle
ALW
Walla Walla
$178 Roundtrip, found 12 hours ago
$178
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Fri, Jul 17 from Seattle to Walla Walla, returning Sun, Jul 19, priced at $178 found 12 hours ago
American Airlines
Sat, Jan 24 - Wed, Jan 28
SEA
Seattle
ALW
Walla Walla
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Seattle to Walla Walla, returning Wed, Jan 28, priced at $197 found 2 days ago
United
Wed, Jan 14 - Sat, Jan 31
SFO
San Francisco
PDT
Pendleton
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 14 from San Francisco to Pendleton, returning Sat, Jan 31, priced at $317 found 1 day ago

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

Union County Flights Information

Airlines serving
Boutique Air, Alaska Airlines, Hawaiian Airlines, American Airlines, United
Roundtrip price
from $100

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, $100 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 $100 and $354. If you were traveling one way out of Portland (PDX), you could have purchased a cheap fare from only $50.
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 $100 to $354 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.

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
Wed, Jan 7 - Thu, Jan 8
PDX
Portland
PDT
Pendleton
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Boutique Air flight, departing Wed, Jan 7 from Portland to Pendleton, returning Thu, Jan 8, priced at $100 just found
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