Search Cheap Flights to
Union

Photo by Zachary Williams

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Union Flights as Low as $97

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

Frontier Airlines
Sat, Aug 23 - Tue, Aug 26
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$97 Roundtrip, found 4 days ago
$97
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Aug 23 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Tue, Aug 26, priced at $97 found 4 days ago
Frontier Airlines
Fri, Oct 3 - Sat, Oct 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $127 found 5 days ago
Bargain Flight
Tue, Sep 16 - Sat, Sep 20
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 4 days ago
$157
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Sep 16 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Sat, Sep 20, priced at $157 found 4 days ago
Hawaiian Airlines
Tue, Sep 30 - Sat, Oct 4
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 8 hours ago
$157
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Sat, Oct 4, priced at $157 found 8 hours ago
Hawaiian Airlines
Tue, Aug 26 - Sat, Sep 6
SAN
San Diego Intl.
PAE
Seattle Paine Field Intl. Airport
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from San Diego Intl. to Seattle Paine Field Intl. Airport, returning Sat, Sep 6, priced at $160 found 1 day ago
United
Sat, Sep 27 - Wed, Oct 1
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$160 Roundtrip, found 8 hours ago
$160
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Oct 1, priced at $160 found 8 hours ago
Delta
Wed, Aug 27 - Tue, Sep 2
SAN
San Diego Intl.
SEA
Seattle - Tacoma Intl.
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 27 from San Diego Intl. to Seattle - Tacoma Intl., returning Tue, Sep 2, priced at $160 found 1 day ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$197 Roundtrip, found 15 hours ago
$197
Roundtrip
found 15 hours ago
Select Bargain Flight flight, departing Sun, Aug 31 from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl., returning Sat, Sep 6, priced at $197 found 15 hours ago
Frontier Airlines
Fri, Aug 1 - Fri, Aug 8
ONT
Los Angeles - Ontario Intl.
PAE
Seattle Paine Field Intl. Airport
$230 Roundtrip, found 11 hours ago
$230
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Los Angeles - Ontario Intl. to Seattle Paine Field Intl. Airport, returning Fri, Aug 8, priced at $230 found 11 hours ago
United
Tue, Aug 26 - Wed, Sep 3
EWR
Newark Liberty Intl. Airport
SEA
Seattle - Tacoma Intl.
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 26 from Newark Liberty Intl. Airport to Seattle - Tacoma Intl., returning Wed, Sep 3, priced at $233 found 3 days ago
Frontier Airlines
Wed, Sep 3 - Sun, Sep 7
DFW
Dallas-Fort Worth Intl.
PAE
Seattle Paine Field Intl. Airport
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Sep 3 from Dallas-Fort Worth Intl. to Seattle Paine Field Intl. Airport, returning Sun, Sep 7, priced at $263 found 5 days ago
American Airlines
Thu, Aug 28 - Wed, Sep 3
CLD
McClellan-Palomar
SEA
Seattle - Tacoma Intl.
$365 Roundtrip, found 1 day ago
$365
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Aug 28 from McClellan-Palomar to Seattle - Tacoma Intl., returning Wed, Sep 3, priced at $365 found 1 day ago
Bargain Flight
Wed, Oct 8 - Tue, Oct 14
EWR
Newark Liberty Intl. Airport
PAE
Seattle Paine Field Intl. Airport
$387 Roundtrip, found 10 hours ago
$387
Roundtrip
found 10 hours ago
Select Bargain Flight flight, departing Wed, Oct 8 from Newark Liberty Intl. Airport to Seattle Paine Field Intl. Airport, returning Tue, Oct 14, priced at $387 found 10 hours ago
Delta
Wed, Oct 1 - Wed, Oct 1
DAL
Love Field
SEA
Seattle - Tacoma Intl.
$417 Roundtrip, found 8 hours ago
$417
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Oct 1 from Love Field to Seattle - Tacoma Intl., returning Wed, Oct 1, priced at $417 found 8 hours ago
Delta
Wed, Sep 3 - Fri, Sep 5
DAL
Love Field
PAE
Seattle Paine Field Intl. Airport
$923 Roundtrip, found 6 days ago
$923
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep 3 from Love Field to Seattle Paine Field Intl. Airport, returning Fri, Sep 5, priced at $923 found 6 days ago
Alaska Airlines
Mon, Aug 4 - Mon, Aug 4
ONT
Los Angeles - Ontario Intl.
BFI
Boeing Field
$1,120 Roundtrip, found 5 days ago
$1,120
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Aug 4 from Los Angeles - Ontario Intl. to Boeing Field, returning Mon, Aug 4, priced at $1,120 found 5 days ago

Cheap Flights to Union

Fall in love at first flight with your vacation to Union by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Union on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Union, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Union

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Union with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the SEA airport.

What is the cheapest month to fly to Union?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Union are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Union?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to Union.

What airport is best to fly into Union?

When you’re planning your trip to Union, convenience is the name of the game. Luckily, Union Seattle - Tacoma Intl. Airport is nearby so you can deplane and get going on checking off everything on your Union must-do list.

How much are flights to Union?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Union on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $97, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Union?

The trick to saving a stack of cash on your flight to Union? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $97 right now, why wait?

Union Flight Information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Roundtrip price
$96

Last Minute Hotel Deals in Union

Red Lion Inn & Suites Olympia, Governor Hotel

Red Lion Inn & Suites Olympia, Governor Hotel

3 out of 5
621 Capitol Way South, Olympia, WA
Stay at this 3-star business-friendly hotel in Olympia. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the ...
6.2/10 (1,002 reviews)
"Back steps were missing tiles that created a hazardous condition."

Reviewed on Jul 21, 2025

Get rates
Red Lion Inn & Suites Olympia, Governor Hotel
Quality Inn Port Orchard

Quality Inn Port Orchard

2 out of 5
220 Bravo Terrace SE, Port Orchard, WA
Stay at this hotel in Port Orchard. Enjoy free breakfast, free parking, and room service. Our guests praise the breakfast and the helpful staff in our reviews. ...
8.2/10 Very Good! (129 reviews)
"Room had a smell."

Reviewed on Jul 28, 2025

Get rates
Quality Inn Port Orchard
Best Western Wesley Inn & Suites

Best Western Wesley Inn & Suites

2.5 out of 5
6575 Kimball Drive, Gig Harbor, WA
Book a stay at this business-friendly hotel in Gig Harbor. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
9/10 Wonderful! (856 reviews)
Great!
"Wonderful family hotel!"

Reviewed on Jul 25, 2025

Get rates
Best Western Wesley Inn & Suites
Little Creek Casino Resort

Little Creek Casino Resort

3.5 out of 5
91 W State Route 108, Shelton, WA
Stay at this 3.5-star spa hotel in Shelton. Enjoy a full-service spa, 5 restaurants, and a golf course. Our guests praise the helpful staff and the clean rooms ...
8.6/10 Excellent! (1,013 reviews)
"Ok. Could use another restaurant to choose from."

Reviewed on Jul 25, 2025

Get rates
Little Creek Casino Resort
Glen Ayr Resort

Glen Ayr Resort

2 out of 5
25381 U.S. 101, Hoodsport, WA
Book a stay at this beach hotel in Hoodsport. Enjoy free WiFi, free parking, and a beach locale. Popular attractions Sunshine Creations Northwest and The Hardware ...
9.4/10 Exceptional! (61 reviews)
"The location, staff, and room were great! We went during cooler conditions so did not need air conditioning as it was not working."

Reviewed on Jul 26, 2025

Get rates
Glen Ayr Resort
Belfair Motel

Belfair Motel

2 out of 5
23322 Northeast Highway 3, Belfair, WA
Stay at this motel in Belfair. Enjoy free WiFi, free parking, and laundry facilities. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.8/10 Excellent! (434 reviews)
"Very friendly staff, price is cheaper compared to most of other hotels but clean with basic needs. I will definitely stay here again."

Reviewed on Jul 27, 2025

Get rates
Belfair Motel
Super 8 by Wyndham Shelton

Super 8 by Wyndham Shelton

2 out of 5
2943 Northview Circle, Shelton, WA
Book a stay at this business-friendly motel in Shelton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.2/10 Good! (627 reviews)
"Convenient to highway, still quirt"

Reviewed on Jul 26, 2025

Get rates
Super 8 by Wyndham Shelton
Watefront at Potlatch

Watefront at Potlatch

2 out of 5
21660 US-101, Shelton, WA
Stay at this motel in Shelton. Enjoy free WiFi, free parking, and a private beach. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
9.4/10 Exceptional! (265 reviews)
"Beautiful, peaceful views."

Reviewed on Jul 28, 2025

Get rates
Watefront at Potlatch
See all 772 properties in Union
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.