Search Cheap Flights to
Union

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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 1 day ago
$97
Roundtrip
found 1 day 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 1 day ago
Frontier Airlines
Mon, Aug 11 - Wed, Aug 13
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$102 Roundtrip, found 1 day ago
$102
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Wed, Aug 13, priced at $102 found 1 day ago
Frontier Airlines
Tue, Aug 26 - Sat, Aug 30
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Aug 26 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $107 found 1 day ago
Frontier Airlines
Mon, Aug 25 - Sat, Aug 30
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$113 Roundtrip, found 1 day ago
$113
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $113 found 1 day ago
Frontier Airlines
Wed, Aug 27 - Sun, Aug 31
ONT
Los Angeles - Ontario Intl.
SEA
Seattle - Tacoma Intl.
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 27 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $114 found 1 day ago
Frontier Airlines
Sat, Sep 27 - Sat, Oct 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$115 Roundtrip, found 4 hours ago
$115
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $115 found 4 hours ago
Frontier Airlines
Thu, Sep 4 - Sat, Sep 6
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$117 Roundtrip, found 4 days ago
$117
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Sep 6, priced at $117 found 4 days ago
United
Sat, Aug 16 - Sat, Aug 23
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$150 Roundtrip, found 3 days ago
$150
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 16 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Aug 23, priced at $150 found 3 days ago
Bargain Flight
Tue, Sep 16 - Sat, Sep 20
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 23 hours ago
$157
Roundtrip
found 23 hours 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 23 hours ago
Hawaiian Airlines
Wed, Oct 1 - Sat, Oct 4
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 1 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Sat, Oct 4, priced at $157 found 2 days ago
American Airlines
Sat, Sep 27 - Sat, Oct 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $157 found 4 hours ago
Delta
Sat, Sep 27 - Sat, Oct 4
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $157 found 4 hours ago
Frontier Airlines
Mon, Aug 11 - Mon, Aug 18
ONT
Los Angeles - Ontario Intl.
PAE
Seattle Paine Field Intl. Airport
$233 Roundtrip, found 23 hours ago
$233
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Los Angeles - Ontario Intl. to Seattle Paine Field Intl. Airport, returning Mon, Aug 18, priced at $233 found 23 hours ago
Spirit Airlines
Thu, Aug 7 - Thu, Aug 7
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$303 Roundtrip, found 5 hours ago
$303
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Thu, Aug 7, priced at $303 found 5 hours ago
Alaska Airlines
Tue, Jul 29 - Sat, Aug 2
ONT
Los Angeles - Ontario Intl.
BFI
Boeing Field
$1,055 Roundtrip, found 1 day ago
$1,055
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jul 29 from Los Angeles - Ontario Intl. to Boeing Field, returning Sat, Aug 2, priced at $1,055 found 1 day ago
Alaska Airlines
Tue, Jul 29 - Sat, Aug 2
LAX
Los Angeles Intl.
BFI
Boeing Field
$1,180 Roundtrip, found 4 days ago
$1,180
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jul 29 from Los Angeles Intl. to Boeing Field, returning Sat, Aug 2, priced at $1,180 found 4 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 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 $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 (1,017 reviews)
"Back steps were missing tiles that created a hazardous condition."

Reviewed on Jul 21, 2025

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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! (124 reviews)
"Nice stay"

Reviewed on Jul 24, 2025

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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! (855 reviews)
"Clean, well kept up and easy to get to."

Reviewed on Jul 21, 2025

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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! (1,009 reviews)
"Quiet , spacious rooms. Big jacuzzi and pool. I wish the gym had free weights /dumbells Pillows are pretty flat."

Reviewed on Jul 20, 2025

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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

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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! (427 reviews)
Wonderful!
"Our stay was great! Jennifer, the manager of the motel, checked us in personally, and also gave us a map of the surrounding area as well as suggestions of hiking spots and of good restaurants. The other woman working the office, whose name I didn’t catch, was also very sweet and helpful. The hotel ..."

Reviewed on Jul 14, 2025

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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! (624 reviews)
"Good enough stay, they had microwave and refrigerator"

Reviewed on Jul 17, 2025

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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! (259 reviews)
"Great one night stoping place"

Reviewed on Jul 24, 2025

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Watefront at Potlatch
See all 774 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.