Search Cheap Flights to
Mercer Island

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Mercer Island Flights as Low as $108

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

Frontier Airlines
Wed, Jun 11 - Wed, Jun 18
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$108 Roundtrip, found 4 hours ago
$108
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Jun 11 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Wed, Jun 18, priced at $108 found 4 hours ago
Frontier Airlines
Sat, Jun 14 - Sat, Jun 14
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$111 Roundtrip, found 4 hours ago
$111
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Sat, Jun 14, priced at $111 found 4 hours ago
Frontier Airlines
Thu, Jun 26 - Sun, Jun 29
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$111 Roundtrip, found 1 day ago
$111
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jun 26 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Sun, Jun 29, priced at $111 found 1 day ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 12
PHX
Sky Harbor Intl.
PAE
Seattle Paine Field Intl. Airport
$113 Roundtrip, found 3 days ago
$113
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Sky Harbor Intl. to Seattle Paine Field Intl. Airport, returning Tue, Aug 12, priced at $113 found 3 days ago
Delta
Wed, Jul 9 - Wed, Jul 16
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Jul 9 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $159 found 2 days ago
Hawaiian Airlines
Tue, Jun 10 - Tue, Jun 17
PHX
Sky Harbor Intl.
PAE
Seattle Paine Field Intl. Airport
$162 Roundtrip, found 4 hours ago
$162
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Tue, Jun 10 from Sky Harbor Intl. to Seattle Paine Field Intl. Airport, returning Tue, Jun 17, priced at $162 found 4 hours ago
American Airlines
Sat, Sep 13 - Wed, Sep 17
PHX
Sky Harbor Intl.
SEA
Seattle - Tacoma Intl.
$163 Roundtrip, found 18 hours ago
$163
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Sky Harbor Intl. to Seattle - Tacoma Intl., returning Wed, Sep 17, priced at $163 found 18 hours ago
Bargain Flight
Tue, Oct 7 - Wed, Oct 15
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$168 Roundtrip, found 2 hours ago
$168
Roundtrip
found 2 hours ago
Select Bargain Flight flight, departing Tue, Oct 7 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Oct 15, priced at $168 found 2 hours ago
United
Tue, Oct 7 - Wed, Oct 15
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$169 Roundtrip, found 2 hours ago
$169
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 7 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Oct 15, priced at $169 found 2 hours ago
Delta
Sat, Aug 16 - Wed, Aug 20
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Wed, Aug 20, priced at $183 found 4 days ago
Delta
Tue, Jun 24 - Thu, Jun 26
CMH
John Glenn Columbus Intl.
SEA
Seattle - Tacoma Intl.
$225 Roundtrip, found 5 days ago
$225
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jun 24 from John Glenn Columbus Intl. to Seattle - Tacoma Intl., returning Thu, Jun 26, priced at $225 found 5 days ago
United
Wed, Aug 20 - Wed, Sep 3
MKE
General Mitchell Intl.
SEA
Seattle - Tacoma Intl.
$231 Roundtrip, found 11 hours ago
$231
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 20 from General Mitchell Intl. to Seattle - Tacoma Intl., returning Wed, Sep 3, priced at $231 found 11 hours ago
Spirit Airlines
Fri, Jun 20 - Mon, Jun 23
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$250 Roundtrip, found 11 hours ago
$250
Roundtrip
found 11 hours ago
Select Spirit Airlines flight, departing Fri, Jun 20 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Mon, Jun 23, priced at $250 found 11 hours ago
Frontier Airlines
Fri, Jun 20 - Mon, Jun 23
IAH
George Bush Intercontinental
PAE
Seattle Paine Field Intl. Airport
$335 Roundtrip, found 11 hours ago
$335
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Fri, Jun 20 from George Bush Intercontinental to Seattle Paine Field Intl. Airport, returning Mon, Jun 23, priced at $335 found 11 hours ago
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
ORD
O'Hare Intl.
PAE
Seattle Paine Field Intl. Airport
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 10 from O'Hare Intl. to Seattle Paine Field Intl. Airport, returning Mon, Oct 13, priced at $398 found 2 days ago
Sun Country Airlines
Thu, Jun 19 - Mon, Jun 23
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Thu, Jun 19 from O'Hare Intl. to Seattle - Tacoma Intl., returning Mon, Jun 23, priced at $461 found 2 days ago

Cheap Flights to Mercer Island

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

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

Frequently Asked Questions About flights to Mercer Island

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

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

How many airlines fly to Mercer Island?

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 Mercer Island.

What airport is best to fly into Mercer Island?

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

How much are flights to Mercer Island?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Mercer Island on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $108, 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 Mercer Island?

The trick to saving a stack of cash on your flight to Mercer Island? 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 $108 right now, why wait?

Last Minute Hotel Deals in Mercer Island

Coast Seattle Downtown Hotel by APA
Coast Seattle Downtown Hotel by APA
4 out of 5
1301 6th Avenue, Seattle, WA
Stay at this hotel in Seattle. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the property condition in our ...
8.6/10 Excellent! (1,304 reviews)
"Adding lounge access with the room was very worth it. During check-in, I was told to sign a "pet" policy for the service animal that my veteran fiancé has, which was strange, but I was too tired to correct them. Also, only one of the two elevators connecting to the parking lot were working. At least ..."

Reviewed on May 9, 2025

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Coast Seattle Downtown Hotel by APA
Mediterranean Inn
Mediterranean Inn
3 out of 5
425 Queen Anne Ave N, Seattle, WA
Stay at this 3-star business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and a 24-hour fitness center. Our guests praise the helpful staff ...
9.2/10 Wonderful! (5,169 reviews)
"Friendly staff. Lots of places to eat near by"

Reviewed on May 9, 2025

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Mediterranean Inn
Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5
18415 International Blvd, SeaTac, WA
Book a stay at this business-friendly hotel in SeaTac. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
9.2/10 Wonderful! (7,213 reviews)
"Good Breakfast ."

Reviewed on May 9, 2025

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Coast Gateway Hotel
The Belltown Inn
The Belltown Inn
2.5 out of 5
2301 Third Avenue, Seattle, WA
Book a stay at this business-friendly hotel in Seattle. Enjoy free WiFi, a rooftop terrace, and free bicycles on site. Our guests praise the helpful staff and ...
9.2/10 Wonderful! (3,652 reviews)
"Staff were very friendly and made the stay very comfortable for us."

Reviewed on May 9, 2025

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The Belltown Inn
Warwick Seattle
Warwick Seattle
3.5 out of 5
401 Lenora St, Seattle, WA
Book a stay at this family-friendly hotel in Seattle. Enjoy a 24-hour fitness center, valet parking (surcharge), and a 24-hour front desk. Our guests praise ...
8.4/10 Very Good! (705 reviews)
"The location was convenient."

Reviewed on May 11, 2025

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Warwick Seattle
citizenM Seattle Pioneer Square
citizenM Seattle Pioneer Square
4 out of 5
60 Yesler Way, Seattle, WA
Stay at this 4-star hotel in Seattle. Enjoy breakfast (surcharge), a 24-hour front desk, and satellite TV channels. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (3,220 reviews)
"The hotel is an easy walk to major tourist destinations and is in a safe area. There is no parking but the hotel offers promotional price for a nearby parking lot. Its worth the price of you are parking overnight or longer. The water side view is primarily the Seattle ferry but is still an amazing ..."

Reviewed on May 9, 2025

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citizenM Seattle Pioneer Square
Hyatt Regency Seattle
Hyatt Regency Seattle
4 out of 5
808 Howell St, Seattle, WA
Stay at this 4-star eco-certified hotel in Seattle. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the bar and the helpful staff ...
9.4/10 Exceptional! (4,376 reviews)
"Great quiet nights"

Reviewed on May 9, 2025

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Hyatt Regency Seattle
Red Roof Inn Seattle Airport - SEATAC
Red Roof Inn Seattle Airport - SEATAC
2 out of 5
16838 International Boulevard, SeaTac, WA
Stay at this hotel in SeaTac. Enjoy free WiFi, a free airport shuttle, and a fitness center. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.8/10 Good! (4,168 reviews)
"Did not have breakfast otherwise was nice. Free shuttle to and from Airport which was nice. Driver and the lady at the desk was very helpful"

Reviewed on May 9, 2025

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Red Roof Inn Seattle Airport - SEATAC
See all 5,234 properties in Mercer Island
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.