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Cosmopolis

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Cosmopolis Flights as Low as $111

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

Frontier Airlines
Sat, Jun 6 - Tue, Jun 9
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$111 Roundtrip, found 6 hours ago
$111
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $111 found 6 hours ago
Frontier Airlines
Wed, Jun 3 - Tue, Jun 9
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$152 Roundtrip, found 2 hours ago
$152
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jun 3 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $152 found 2 hours ago
Frontier Airlines
Sat, Jun 6 - Tue, Jun 9
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$153 Roundtrip, found 6 hours ago
$153
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $153 found 6 hours ago
Frontier Airlines
Wed, Jun 3 - Tue, Jun 9
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$172 Roundtrip, found 2 hours ago
$172
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Jun 3 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $172 found 2 hours ago
Frontier Airlines
Thu, Jun 4 - Tue, Jun 9
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jun 4 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $179 found 2 days ago
Bargain Flight
Wed, Jun 3 - Sat, Jun 6
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$201 Roundtrip, found 6 hours ago
$201
Roundtrip
found 6 hours ago
Select Bargain Flight flight, departing Wed, Jun 3 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Jun 6, priced at $201 found 6 hours ago
Delta
Sat, Jun 6 - Tue, Jun 9
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$202 Roundtrip, found 6 hours ago
$202
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Jun 6 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $202 found 6 hours ago
United
Sat, Jun 6 - Tue, Jun 9
ONT
Ontario Intl. Airport
SEA
Seattle - Tacoma Intl.
$222 Roundtrip, found 6 hours ago
$222
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Jun 6 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $222 found 6 hours ago
Bargain Flight
Mon, Aug 3 - Tue, Aug 11
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$269 Roundtrip, found 5 hours ago
$269
Roundtrip
found 5 hours ago
Select Bargain Flight flight, departing Mon, Aug 3 from Dallas-Fort Worth Intl. to Seattle - Tacoma Intl., returning Tue, Aug 11, priced at $269 found 5 hours ago
American Airlines
Tue, Jun 2 - Tue, Jun 9
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$283 Roundtrip, found 6 hours ago
$283
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Jun 2 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Tue, Jun 9, priced at $283 found 6 hours ago
Alaska Airlines
Fri, Dec 25 - Fri, Jan 1
LAX
Los Angeles Intl.
PAE
Seattle Paine Field Intl. Airport
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Dec 25 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Fri, Jan 1, priced at $307 found 2 days ago
American Airlines
Tue, Jul 28 - Tue, Aug 11
HRL
Valley Intl.
SEA
Seattle - Tacoma Intl.
$323 Roundtrip, found 6 hours ago
$323
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Jul 28 from Valley Intl. to Seattle - Tacoma Intl., returning Tue, Aug 11, priced at $323 found 6 hours ago
Alaska Airlines
Wed, Aug 19 - Tue, Aug 25
ONT
Ontario Intl. Airport
PAE
Seattle Paine Field Intl. Airport
$347 Roundtrip, found 5 hours ago
$347
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Aug 19 from Ontario Intl. Airport to Seattle Paine Field Intl. Airport, returning Tue, Aug 25, priced at $347 found 5 hours ago
Delta
Wed, Aug 12 - Wed, Aug 19
DAL
Love Field
SEA
Seattle - Tacoma Intl.
$421 Roundtrip, found 1 hour ago
$421
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 12 from Love Field to Seattle - Tacoma Intl., returning Wed, Aug 19, priced at $421 found 1 hour ago
Sun Country Airlines
Sat, Jul 18 - Wed, Jul 22
DFW
Dallas-Fort Worth Intl.
SEA
Seattle - Tacoma Intl.
$473 Roundtrip, found 6 hours ago
$473
Roundtrip
found 6 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 6 hours ago
Alaska Airlines
Wed, Aug 26 - Sun, Sep 13
DFW
Dallas-Fort Worth Intl.
PAE
Seattle Paine Field Intl. Airport
$513 Roundtrip, found 5 hours ago
$513
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Wed, Aug 26 from Dallas-Fort Worth Intl. to Seattle Paine Field Intl. Airport, returning Sun, Sep 13, priced at $513 found 5 hours ago

Cheap Flights to Cosmopolis

Fall in love at first flight with your vacation to Cosmopolis 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 Cosmopolis on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Cosmopolis

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Cosmopolis 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 Cosmopolis?

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 Cosmopolis are in June, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Cosmopolis?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 14 to choose from for your flight to Cosmopolis.

What airport is best to fly into Cosmopolis?

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

How much are flights to Cosmopolis?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Cosmopolis on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $111, 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 Cosmopolis?

The trick to saving a stack of cash on your flight to Cosmopolis? 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 $111 right now, why wait?

Cosmopolis Flight Information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Roundtrip price
$110

Last Minute Hotel Deals in Cosmopolis

Lighthouse Suites Inn

Lighthouse Suites Inn

2.5 out of 5
491 Damon Road Ocean Shores WA
Book a stay at this beach hotel in Ocean Shores. Enjoy free parking, a fitness center, and a 24-hour front desk. Our guests praise the breakfast and the helpful ...
8.4/10 Very Good! (2,247 reviews)
Always a great hotel to stay at. Free breakfast is different every day. Some gluten free and dairy free options. Refrigerator in the room. Dog friendly.

Reviewed on May 16, 2026

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Lighthouse Suites Inn
Great Wolf Lodge Grand Mound

Great Wolf Lodge Grand Mound

3.5 out of 5
20500 Old Highway 99 SW Centralia WA
Book a stay at this family-friendly resort in Centralia. Enjoy 3 restaurants, a water park, and parking (surcharge). Our guests praise the helpful staff and ...
8.8/10 Excellent! (1,002 reviews)
For the price breakfast should be included .

Reviewed on May 17, 2026

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Great Wolf Lodge Grand Mound
The Canterbury Inn

The Canterbury Inn

2.5 out of 5
643 Ocean Shores Blvd. NW Ocean Shores WA
Book a stay at this beach hotel in Ocean Shores. Enjoy free WiFi, free parking, and a fitness center. Our guests praise the helpful staff and the clean rooms ...
9.4/10 Exceptional! (1,009 reviews)
Good parking. Nice views. Nice staff. Dated building .

Reviewed on May 17, 2026

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The Canterbury Inn
Ocean Paradise Hotel and Resort

Ocean Paradise Hotel and Resort

2.5 out of 5
773 Ocean Shores Blvd NW Ocean Shores WA
Stay at this resort in Ocean Shores. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
7.6/10 Good! (739 reviews)
Liked the friendly reception and front counter service, the buffet-style fresh scrambled eggs, bacon, waffles, etc., and their ocean-front location.

Reviewed on May 15, 2026

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Ocean Paradise Hotel and Resort
Lucky Eagle Casino & Hotel

Lucky Eagle Casino & Hotel

3.5 out of 5
12888 188th Ave SW Rochester WA
Book a stay at this business-friendly hotel in Rochester. Enjoy free WiFi, free parking, and 3 restaurants. Our guests praise the helpful staff and the clean ...
8.8/10 Excellent! (1,513 reviews)
Appreciated the spaciousness, cleanliness & layout of the guestroom. Was not a fan of the lightweight, and somewhat scratchy, blankets. Not sure if activity at the nearby gun range is normal but at least it stopped by 10:30 p.m. In the attached casino, the pizza restaurant staff were terrific!

Reviewed on May 17, 2026

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Lucky Eagle Casino & Hotel
The Grey Gull

The Grey Gull

2 out of 5
651 Ocean Shores Blvd NW Ocean Shores WA
Book a stay at this beach aparthotel in Ocean Shores. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean rooms ...
9.2/10 Wonderful! (1,308 reviews)
We had a wonderful time at this property. It felt nice and warm on a PNW rainy few. Everything was well maintained.

Reviewed on May 15, 2026

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The Grey Gull
Comfort Inn & Suites Ocean Shores

Comfort Inn & Suites Ocean Shores

2.5 out of 5
829 Ocean Shores Blvd Nw Ocean Shores WA
Book a stay at this business-friendly hotel in Ocean Shores. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
8/10 Very Good! (1,015 reviews)
A wonderful place to stay

Reviewed on May 15, 2026

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Comfort Inn & Suites Ocean Shores
The Polynesian Resort

The Polynesian Resort

2.5 out of 5
615 Ocean Shores Blvd Ocean Shores WA
Book a stay at this beach resort in Ocean Shores. Enjoy free WiFi, free parking, and a beach locale. Our guests praise the helpful staff and the clean rooms ...
7.8/10 Good! (1,003 reviews)
The check in was amazing and the customer service was above and beyond. We were able to check in early and stay an extra night. The room was not very clean at all. There were huge dust bunnies above our bed, bathroom had goo on wall and drawer. The coffee pot was dirty, just lots of not caring about ...

Reviewed on May 16, 2026

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The Polynesian Resort
See all 774 properties in Cosmopolis
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.