Cheap Flights to Union County from $75 (2026/2027)

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A winding highway with a guardrail, surrounded by mountains and trees under a clear blue sky.

La Grande

Flights
La Grande
A river flowing through a dense forest with moss-covered rocks and tall evergreen trees.

Union

Flights
Union

How Much Does it Cost To Fly To Union County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Aug 14 - Sun, Aug 16
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$145 Roundtrip, found 7 hours ago
$145
Roundtrip
found 7 hours ago
Select Boutique Air flight, departing Fri, Aug 14 from Portland Intl. to Eastern Oregon Regional, returning Sun, Aug 16, priced at $145 found 7 hours ago
Fri, Sep 4 - Fri, Sep 4
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$148 Roundtrip, found 8 hours ago
$148
Roundtrip
found 8 hours ago
Select Boutique Air flight, departing Fri, Sep 4 from Portland Intl. to Eastern Oregon Regional, returning Fri, Sep 4, priced at $148 found 8 hours ago
Thu, Jul 16 - Mon, Jul 20
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$148 Roundtrip, found 16 hours ago
$148
Roundtrip
found 16 hours ago
Select Boutique Air flight, departing Thu, Jul 16 from Portland Intl. to Eastern Oregon Regional, returning Mon, Jul 20, priced at $148 found 16 hours ago
Sat, Aug 22 - Sat, Aug 29
SEA
Seattle - Tacoma Intl.
ALW
Walla Walla Regional
$177 Roundtrip, found 3 hours ago
$177
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Aug 22 from Seattle - Tacoma Intl. to Walla Walla Regional, returning Sat, Aug 29, priced at $177 found 3 hours ago
Fri, Oct 2 - Sun, Oct 4
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$182 Roundtrip, found 8 hours ago
$182
Roundtrip
found 8 hours ago
Select Boutique Air flight, departing Fri, Oct 2 from Portland Intl. to Eastern Oregon Regional, returning Sun, Oct 4, priced at $182 found 8 hours ago
Thu, Jul 9 - Mon, Jul 13
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select Boutique Air flight, departing Thu, Jul 9 from Portland Intl. to Eastern Oregon Regional, returning Mon, Jul 13, priced at $186 found 4 days ago
Wed, Aug 5 - Fri, Aug 7
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$186 Roundtrip, found 13 hours ago
$186
Roundtrip
found 13 hours ago
Select Boutique Air flight, departing Wed, Aug 5 from Portland Intl. to Eastern Oregon Regional, returning Fri, Aug 7, priced at $186 found 13 hours ago
Fri, Aug 14 - Sun, Aug 16
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$191 Roundtrip, found 7 hours ago
$191
Roundtrip
found 7 hours ago
Select Boutique Air flight, departing Fri, Aug 14 from Portland Intl. to Eastern Oregon Regional, returning Sun, Aug 16, priced at $191 found 7 hours ago
Wed, Aug 5 - Fri, Aug 7
PDX
Portland Intl.
PDT
Eastern Oregon Regional
$195 Roundtrip, found 13 hours ago
$195
Roundtrip
found 13 hours ago
Select Boutique Air flight, departing Wed, Aug 5 from Portland Intl. to Eastern Oregon Regional, returning Fri, Aug 7, priced at $195 found 13 hours ago
Thu, Sep 10 - Sun, Sep 13
SFO
San Francisco Intl.
ALW
Walla Walla Regional
$329 Roundtrip, found 3 hours ago
$329
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Sep 10 from San Francisco Intl. to Walla Walla Regional, returning Sun, Sep 13, priced at $329 found 3 hours ago
Wed, Aug 12 - Sun, Aug 16
DEN
Denver Intl.
ALW
Walla Walla Regional
$336 Roundtrip, found 3 hours ago
$336
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Aug 12 from Denver Intl. to Walla Walla Regional, returning Sun, Aug 16, priced at $336 found 3 hours ago
OriginDestinationTravel DatesFlights From*
PDXPendletonAugust 13 to August 20$145
SEAWalla WallaAugust 22 to August 29$177
LASWalla WallaAugust 19 to August 26$330
PDXWalla WallaSeptember 24 to September 26$363
SANWalla WallaSeptember 4 to September 6$381
LAXWalla WallaSeptember 12 to September 19$383
ORDWalla WallaSeptember 12 to September 19$405
MSPWalla WallaSeptember 5 to September 12$563
BOSWalla WallaAugust 19 to August 26$566
GDLWalla WallaJuly 27 to July 28$1,500
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
PDXPendletonJuly 10 to July 13$186
SEAWalla WallaJuly 12 to July 16$543
ORDWalla WallaJuly 11 to July 25$593
LAXWalla WallaJuly 10 to July 13$975
*Prices include taxes and fees

Best Union County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Dayton Motel
2.0-star property

Dayton Motel

Aug 21 - Aug 28

7 night stay

Seattle (SEA) to Walla Walla (ALW)

Alaska Airlines • Roundtrip • Coach
Price was $548, price is now $452 per person
$452
per person
found 20 hours ago
Best Western Plus Walla Walla Suites Inn
2.5-star property

Best Western Plus Walla Walla Suites Inn

Aug 21 - Aug 28

7 night stay

Seattle (SEA) to Walla Walla (ALW)

Alaska Airlines • Roundtrip • Coach
Price was $882, price is now $713 per person
$713
per person
found 20 hours ago
The FINCH
2.5-star property

The FINCH

Aug 21 - Aug 28

7 night stay

Seattle (SEA) to Walla Walla (ALW)

Alaska Airlines • Roundtrip • Coach
Price was $1,191, price is now $978 per person
$978
per person
found 20 hours ago
Don't see what you're looking for?
See all available trips from Seattle to Union County
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Travelers ❤️ These Union County 🏨

La Grande Inn

La Grande Inn

2.5 out of 5
2612 Island Ave La Grande OR
Book a stay at this business-friendly motel in La Grande. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions Riverside Park and Eastern Oregon Fire Museum are located nearby.
6.4/10 (1,010 reviews)
"It was fairly clean and the staff was great. The room had stained carpet and furniture, the sink was somewhat backed up meaning it drained very slowly. We brought a dog, they were very accommodating in that regard. Thank you to all of the staff, we really appreciated all of your service."

Reviewed on Jul 7, 2026

Opens in a new windowLa Grande Inn
Best Western Plus Rama Inn & Suites

Best Western Plus Rama Inn & Suites

2.5 out of 5
1711 21st Street La Grande OR
Book a stay at this business-friendly hotel in La Grande. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Eastern Oregon Fire Museum and Riverside Park are located nearby.
8.2/10 Very Good! (182 reviews)
"N/A"

Reviewed on Jul 6, 2026

Opens in a new windowBest Western Plus Rama Inn & Suites
Hampton Inn & Suites La Grande, Or

Hampton Inn & Suites La Grande, Or

2.5 out of 5
2006 26th Street La Grande OR
Stay at this hotel in La Grande. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Riverside Park and Eastern Oregon Fire Museum are located nearby.
9/10 Wonderful! (290 reviews)
"Breakfast was meh, cold "hot" foods, undercooked oatmeal. Yeah, you read that right, how does one do that? Nice staff, quiet room."

Reviewed on Jul 3, 2026

Opens in a new windowHampton Inn & Suites La Grande, Or
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Americas Best Value Sandman Inn

Americas Best Value Sandman Inn

2 out of 5
2410 E R Ave La Grande OR
Book a stay at this business-friendly hotel in La Grande. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Eastern Oregon Fire Museum and Riverside Park are located nearby.
7.6/10 Good! (1,004 reviews)
"Our check in was slow and they had a hard time finding our reservation. Other than that it went well."

Reviewed on Jul 8, 2026

Opens in a new windowAmericas Best Value Sandman Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Union County?
A roundtrip flight to Union County cost as little as $145 over the last seven days. When you're ready to book, we'll help you snap up the best deal. This price was available on Travelocity for flights to Union County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Union County?
Find the perfect ticket with one of the 20 airlines that have flights to Union County. If you're staying in La Grande, let Boutique Air whisk you away to this dynamic city to see its iconic attractions. This popular carrier offers 91 flights there a month.
What is the cheapest month to fly to Union County?
If you're thinking of booking a trip to Union County, August is the cheapest time to fly there. This is according to Travelocity's direct return flight demand between January and December last year. Choose your ideal dates and reserve your flights today.
How can I check my flight status to Union County?
Whether you want to view the status of your flight to Union County or make some changes, you'll find all the important info on our customer portal, Trips. Click on "Trips" at the top of the Travelocity homepage, then log in or create an account. Another convenient way to manage and view your booking is with the Travelocity app. Get real-time flight status alerts and share updates with any family flying with you.
How do I find the best deals on flights to Union County?
It's wise to book ahead of time, and if possible, avoid traveling during high season. Another great way to save is by clicking the "Flexible dates" box at the top of the page after searching for your flights. It's an easy way to compare prices for surrounding days. In the last seven days, the lowest price for a return flight to Union County was $145. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Union County with Travelocity?
From cheap family flights to hotels and activities, Travelocity is your one-stop shop for amazing adventures. With everything at your fingertips, you can relax while gearing up for the fun things that are waiting for you in Union County and less time on the travel details. Plus with our Price Match Guarantee and online chat support, our goal is to make your next getaway a fabulous one.
What are the most popular flight routes to Union County?
Check out these popular flight routes to Union County and start planning you next amazing adventure:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boise Airport (BOI) - 2,881 flights a month.
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Boise Airport (BOI) - 1,343 flights a month.
  • San Francisco, CA (SFO-San Francisco Intl.) to Boise Airport (BOI) - 1,174 flights a month.

How much is a flight to Union County on average?
Get your next big adventure off to a flying start by snapping up a terrific deal with Travelocity. In the last seven days, roundtrip flights to Union County cost between $145 and $1,500. Check out our site and book a ticket that's within your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Union County?
Check out these major routes to get a sense of how long you'll be cruising the skies on a direct flight to Union County:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Boise Airport (BOI) - 1 hour and 26 minutes
  • Los Angeles, CA (LAX-Los Angeles Intl.) to Boise Airport (BOI) - 2 hours and 3 minutes
  • San Francisco, CA (SFO-San Francisco Intl.) to Boise Airport (BOI) - 1 hour and 36 minutes

What can I expect on a flight to Union County?
That depends on a few things. Is your flight to Union County short and snappy or many hours long? Are you flying with a full-service airline or a budget one? These things will affect your experience while on board. If you're traveling long haul, a majority of airlines include drinks, warm meals and entertainment. Budget carriers are a smart option when it comes to cheap flights for family vacations. That said, they generally won't have the same inclusions as a full-service airline.