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Union

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Union Flights as Low as $56

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

Frontier Airlines
Sat, May 9 - Sat, May 16
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$56 Roundtrip, found 1 hour ago
$56
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 9 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, May 16, priced at $56 found 1 hour ago
Frontier Airlines
Tue, Apr 28 - Thu, May 21
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$113 Roundtrip, found 2 hours ago
$113
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Apr 28 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Thu, May 21, priced at $113 found 2 hours ago
Delta
Sat, May 9 - Sat, May 16
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, May 9 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, May 16, priced at $137 found 1 hour ago
United
Sat, May 9 - Sat, May 16
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 9 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, May 16, priced at $137 found 1 hour ago
American Airlines
Mon, May 11 - Tue, May 19
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, May 11 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, May 19, priced at $137 found 2 hours ago
Alaska Airlines
Mon, May 11 - Tue, May 19
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, May 11 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, May 19, priced at $137 found 2 hours ago
Hawaiian Airlines
Wed, Apr 1 - Mon, Apr 20
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$140 Roundtrip, found 16 hours ago
$140
Roundtrip
found 16 hours ago
Select Hawaiian Airlines flight, departing Wed, Apr 1 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Mon, Apr 20, priced at $140 found 16 hours ago
Alaska Airlines
Wed, Apr 1 - Tue, Apr 21
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$141 Roundtrip, found 21 hours ago
$141
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Wed, Apr 1 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Tue, Apr 21, priced at $141 found 21 hours ago
Alaska Airlines
Wed, Apr 22 - Tue, May 5
AUS
Austin-Bergstrom Intl.
SEA
Seattle - Tacoma Intl.
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Apr 22 from Austin-Bergstrom Intl. to Seattle - Tacoma Intl., returning Tue, May 5, priced at $164 found 1 day ago
Frontier Airlines
Thu, Apr 23 - Fri, May 15
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$192 Roundtrip, found 2 hours ago
$192
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl., returning Fri, May 15, priced at $192 found 2 hours ago
American Airlines
Tue, May 5 - Sat, May 16
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$209 Roundtrip, found 18 hours ago
$209
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, May 5 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, May 16, priced at $209 found 18 hours ago
Alaska Airlines
Wed, Apr 29 - Sat, May 9
DFW
Dallas-Fort Worth Intl.
PAE
Seattle Paine Field Intl. Airport
$312 Roundtrip, found 2 days ago
$312
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Dallas-Fort Worth Intl. to Seattle Paine Field Intl. Airport, returning Sat, May 9, priced at $312 found 2 days ago
Alaska Airlines
Wed, Apr 29 - Mon, May 11
AUS
Austin-Bergstrom Intl.
PAE
Seattle Paine Field Intl. Airport
$350 Roundtrip, found 2 hours ago
$350
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Austin-Bergstrom Intl. to Seattle Paine Field Intl. Airport, returning Mon, May 11, priced at $350 found 2 hours ago
Alaska Airlines
Tue, May 12 - Tue, May 19
ORD
O'Hare Intl.
PAE
Seattle Paine Field Intl. Airport
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, May 12 from O'Hare Intl. to Seattle Paine Field Intl. Airport, returning Tue, May 19, priced at $384 found 1 day ago
Bargain Flight
Tue, Oct 20 - Mon, Oct 26
ONT
Los Angeles - Ontario Intl.
PAE
Seattle Paine Field Intl. Airport
$385 Roundtrip, found 6 days ago
$385
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Tue, Oct 20 from Los Angeles - Ontario Intl. to Seattle Paine Field Intl. Airport, returning Mon, Oct 26, priced at $385 found 6 days ago
Delta
Tue, Jun 2 - Mon, Jun 8
DAL
Love Field
SEA
Seattle - Tacoma Intl.
$454 Roundtrip, found 2 days ago
$454
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jun 2 from Love Field to Seattle - Tacoma Intl., returning Mon, Jun 8, priced at $454 found 2 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 May, 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 15 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 $56, 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 $56 right now, why wait?

Union Flight Information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Roundtrip price
$56

Last Minute Hotel Deals in Union

Robinhood Village Resort

Robinhood Village Resort

2 out of 5
6790 WA-106 Union WA
Stay at this lodge in Union. Enjoy free WiFi, free parking, and a picnic area. Popular attractions Hood Canal Marina and Skokomish Wildlife Area Unit are located ...
8.2/10 Very Good! (26 reviews)
The cabin we stayed in is basically a tiny home and it is quite uneven, the furnishings are extremely warn and nope in taking the cover off the water was so cloudy we passed. No host on sight either. The greatest thing about this place is the location and history now, i needs the care it ...

Reviewed on Feb 16, 2026

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Robinhood Village Resort
Little Creek Casino Resort

Little Creek Casino Resort

3.5 out of 5
91 W State Route 108 Shelton WA
Book a stay at this 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 ...
8.8/10 Excellent! (1,004 reviews)
The only issue was the business chair it should be replaced the fabric was tearing. We mentioned this to the front desk.

Reviewed on Mar 3, 2026

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Little Creek Casino Resort
DoubleTree by Hilton Olympia Downtown Capitol District

DoubleTree by Hilton Olympia Downtown Capitol District

4 out of 5
415 Capitol Way N Olympia WA
Book a stay at this business-friendly hotel in Olympia. Enjoy breakfast (surcharge), room service, and a 24-hour fitness center. Our guests praise the helpful ...
8.4/10 Very Good! (1,002 reviews)
Staff was amazing, room was okay, HVAC system is obnoxious, no way to just have a fan on, it’s either pumping heat/ac or shutting off at temp. Renovations are occurring which is fine. But the hotel is severely in need of more than a renovation of a few areas. Frye

Reviewed on Mar 2, 2026

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DoubleTree by Hilton Olympia Downtown Capitol District
Quality Inn Port Orchard

Quality Inn Port Orchard

2 out of 5
220 Bravo Terrace SE Port Orchard WA
Book a stay at this business-friendly hotel in Port Orchard. Enjoy free breakfast, free parking, and room service. Our guests praise the breakfast and the helpful ...
8.6/10 Excellent! (271 reviews)
My stay was short, so I didn't utilize any extra amenities, and can't really rate them ( thus the "good" rating ) but the room was clean, quiet and the night person working the desk was very kind. Great spot.

Reviewed on Mar 1, 2026

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Quality Inn Port Orchard
TownePlace Suites Olympia

TownePlace Suites Olympia

3 out of 5
900 Capitol Way South Olympia WA
Book a stay at this business-friendly hotel in Olympia. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
9/10 Wonderful! (287 reviews)
We found ants on the nightstand & it was covered when we woke up in the morning.

Reviewed on Feb 18, 2026

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TownePlace Suites Olympia
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! (674 reviews)
staff was good. the room had dried pasta noodles on the floor along with small pieces of tissue paper on the rug. I guess they forget to vacuum. breakfast was coffee, bananas, muffins, and packaged fruit, nut, grain, bars. not bad but not we expected

Reviewed on Feb 1, 2026

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Super 8 by Wyndham Shelton
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. ...
9/10 Wonderful! (503 reviews)
Office staff where friendly and welcoming.

Reviewed on Mar 1, 2026

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Belfair Motel
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! (926 reviews)
Tv didn’t work, was hoping to watch movie with the kids. Breakfast eggs were very slimy

Reviewed on Mar 1, 2026

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Best Western Wesley Inn & Suites
See all 771 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.