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Union

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Union Flights as Low as $89

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

Frontier Airlines
Sat, May 30 - Thu, Jun 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$89 Roundtrip, found 3 hours ago
$89
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, May 30 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Thu, Jun 4, priced at $89 found 3 hours ago
Frontier Airlines
Thu, May 28 - Mon, Jun 1
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$90 Roundtrip, found 2 hours ago
$90
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, May 28 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Mon, Jun 1, priced at $90 found 2 hours ago
Frontier Airlines
Thu, May 28 - Thu, Jun 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$101 Roundtrip, found 3 hours ago
$101
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 28 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Thu, Jun 4, priced at $101 found 3 hours ago
Delta
Wed, May 27 - Wed, May 27
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
$155 Roundtrip, found 7 hours ago
$155
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, May 27 from San Francisco Intl. to Seattle - Tacoma Intl., returning Wed, May 27, priced at $155 found 7 hours ago
Bargain Flight
Wed, Aug 12 - Tue, Aug 18
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Aug 12 from San Francisco Intl. to Seattle - Tacoma Intl., returning Tue, Aug 18, priced at $157 found 3 days ago
Alaska Airlines
Wed, Aug 26 - Wed, Sep 16
SFO
San Francisco Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Aug 26 from San Francisco Intl. to Seattle Paine Field Intl. Airport, returning Wed, Sep 16, priced at $157 found 2 hours ago
United
Tue, Jun 9 - Wed, Jun 10
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Tue, Jun 9 from San Francisco Intl. to Seattle - Tacoma Intl., returning Wed, Jun 10, priced at $157 just found
American Airlines
Tue, Jun 2 - Wed, Jun 3
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$202 Roundtrip, found 2 hours ago
$202
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Jun 2 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Jun 3, priced at $202 found 2 hours ago
Frontier Airlines
Wed, Jul 8 - Wed, Jul 22
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$210 Roundtrip, found 2 hours ago
$210
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl., returning Wed, Jul 22, priced at $210 found 2 hours ago
Alaska Airlines
Sat, May 30 - Sat, Jun 6
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$212 Roundtrip, just found
$212
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 30 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Sat, Jun 6, priced at $212 just found
Delta
Mon, Aug 31 - Tue, Sep 8
CMH
John Glenn Columbus Intl.
SEA
Seattle - Tacoma Intl.
$239 Roundtrip, just found
$239
Roundtrip
just found
Select Delta flight, departing Mon, Aug 31 from John Glenn Columbus Intl. to Seattle - Tacoma Intl., returning Tue, Sep 8, priced at $239 just found
Alaska Airlines
Sat, Jul 4 - Tue, Jul 14
ONT
Ontario Intl. Airport
PAE
Seattle Paine Field Intl. Airport
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jul 4 from Ontario Intl. Airport to Seattle Paine Field Intl. Airport, returning Tue, Jul 14, priced at $377 found 1 day ago
Delta
Tue, May 5 - Wed, May 13
DAL
Love Field
SEA
Seattle - Tacoma Intl.
$470 Roundtrip, found 2 days ago
$470
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, May 5 from Love Field to Seattle - Tacoma Intl., returning Wed, May 13, priced at $470 found 2 days ago
Sun Country Airlines
Sat, Jul 18 - Wed, Jul 22
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$473 Roundtrip, found 12 hours ago
$473
Roundtrip
found 12 hours ago
Select Sun Country Airlines flight, departing Sat, Jul 18 from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl., returning Wed, Jul 22, priced at $473 found 12 hours ago
Alaska Airlines
Thu, Sep 10 - Thu, Sep 17
DFW
Dallas-Fort Worth Intl.
PAE
Seattle Paine Field Intl. Airport
$503 Roundtrip, found 3 days ago
$503
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Sep 10 from Dallas-Fort Worth Intl. to Seattle Paine Field Intl. Airport, returning Thu, Sep 17, priced at $503 found 3 days ago
Alaska Airlines
Mon, Aug 31 - Tue, Sep 8
CMH
John Glenn Columbus Intl.
PAE
Seattle Paine Field Intl. Airport
$523 Roundtrip, just found
$523
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 31 from John Glenn Columbus Intl. to Seattle Paine Field Intl. Airport, returning Tue, Sep 8, priced at $523 just found

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 $89, 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 $89 right now, why wait?

Union Flight Information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Roundtrip price
$89

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 ...
8.4/10 Very Good! (29 reviews)
I have stayed here before and will be back again. It's a great place with cute cabins.

Reviewed on Apr 3, 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! (1,002 reviews)
I love this place I stay here at least 6 times a year. Feel safe and everyone is so nice. See you next time I’m on the west side of the state.

Reviewed on Apr 30, 2026

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Little Creek Casino Resort
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! (291 reviews)
Breakfast area is nice and roomy. Staff keeps checking to make sure to replace food and quickly clean up.

Reviewed on Apr 26, 2026

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Quality Inn Port Orchard
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! (1,001 reviews)
Very clean and comfortable stay. Room was clean and roomy. Pool was great. Complimentary cookies we nice.

Reviewed on Apr 30, 2026

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DoubleTree by Hilton Olympia Downtown Capitol District
The Glen Resort

The Glen 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! (101 reviews)
We were looking forward to the jacuzzi, it was broken, the dock was broken and closed. There was a sign in the room that said, "treats for your dog." there weren't any. website said, "no charge for your dog," yet to get a rtoom where your pet could come, it was around an extra $30- $40 The shower ...

Reviewed on Apr 14, 2026

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The Glen 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! (515 reviews)
There was so much wrong we had to leave. The “non smoking” room was full of cigarette smoke leaking from the room next door and that guest smoking r in got outside our door all hours of day and night. Black mold in the bathroom and no hot water in the shower. No silverware at all in the kitchen. ...

Reviewed on Apr 18, 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! (932 reviews)
The staff is top tier amazing. Management Blu, Chris and the entire front desk staff; Accommodating, friendly.

Reviewed on Apr 21, 2026

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Best Western Wesley Inn & Suites
Shelton Inn

Shelton Inn

2 out of 5
628 West Railroad Avenue Shelton WA
Stay at this motel in Shelton. Enjoy free WiFi, free parking, and cable TV channels. Popular attractions Mason County Historical Society Museum and Kneeland ...
7.2/10 Good! (635 reviews)
They have a restaurant attached to the motel. Food is good

Reviewed on Apr 13, 2026

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Shelton Inn
See all 767 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.