Cheap flights To Mercer Island (SEA) from $100

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Cheap Flights to Mercer Island from $100 One Way, $198 Round Trip

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

Fri, Aug 28 - Mon, Aug 31
YWH
Victoria Inner Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Harbour Air Seaplanes flight, departing Fri, Aug 28 from Victoria Inner Harbour Seaplane Base to Lake Union Seaplane Base, returning Mon, Aug 31, priced at $198 found 1 day ago
Sat, Jun 27 - Sun, Jun 28
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$200 Roundtrip, found 22 hours ago
$200
Roundtrip
found 22 hours ago
Select Harbour Air Seaplanes flight, departing Sat, Jun 27 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Sun, Jun 28, priced at $200 found 22 hours ago
Fri, Aug 14 - Sun, Aug 16
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$201 Roundtrip, found 5 hours ago
$201
Roundtrip
found 5 hours ago
Select Harbour Air Seaplanes flight, departing Fri, Aug 14 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Sun, Aug 16, priced at $201 found 5 hours ago
Mon, Jun 8 - Tue, Jun 16
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Select Harbour Air Seaplanes flight, departing Mon, Jun 8 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Tue, Jun 16, priced at $208 found 5 days ago
Sun, Aug 9 - Thu, Aug 13
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$213 Roundtrip, found 23 hours ago
$213
Roundtrip
found 23 hours ago
Select Harbour Air Seaplanes flight, departing Sun, Aug 9 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Thu, Aug 13, priced at $213 found 23 hours ago
Thu, Jul 30 - Mon, Aug 3
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$213 Roundtrip, found 5 hours ago
$213
Roundtrip
found 5 hours ago
Select Harbour Air Seaplanes flight, departing Thu, Jul 30 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Mon, Aug 3, priced at $213 found 5 hours ago
Fri, Jun 19 - Sat, Jun 20
YWH
Victoria Inner Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Harbour Air Seaplanes flight, departing Fri, Jun 19 from Victoria Inner Harbour Seaplane Base to Lake Union Seaplane Base, returning Sat, Jun 20, priced at $224 found 1 day ago
Tue, Jun 23 - Sat, Jun 27
YWH
Victoria Inner Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$224 Roundtrip, found 9 hours ago
$224
Roundtrip
found 9 hours ago
Select Harbour Air Seaplanes flight, departing Tue, Jun 23 from Victoria Inner Harbour Seaplane Base to Lake Union Seaplane Base, returning Sat, Jun 27, priced at $224 found 9 hours ago
Wed, Aug 5 - Wed, Aug 12
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Harbour Air Seaplanes flight, departing Wed, Aug 5 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Wed, Aug 12, priced at $225 found 2 days ago
Fri, Jul 31 - Tue, Aug 4
CXH
Vancouver Harbour Seaplane Base
LKE
Lake Union Seaplane Base
$226 Roundtrip, found 5 hours ago
$226
Roundtrip
found 5 hours ago
Select Harbour Air Seaplanes flight, departing Fri, Jul 31 from Vancouver Harbour Seaplane Base to Lake Union Seaplane Base, returning Tue, Aug 4, priced at $226 found 5 hours ago

Mercer Island Flight Information

Traveling To
Mercer Island
Destination Airport IATA Code
SEA
Number of Airlines Serving
Airlines
Harbour Air Seaplanes
Flight Price
$198
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Mercer Island economy flight packages

Price found within the past 48 hours. Click for updated prices.
Emerald Queen Hotel and Casino - Tacoma
4.0-star property

Emerald Queen Hotel and Casino - Tacoma

Apr 23 - Apr 26

3 night stay

Denver (DEN) to Seattle (SEA)

Frontier Airlines • Coach

Seattle (SEA) to Denver (DEN)

Delta • Coach
Save 100% on your flight
Price was $450, price is now $281 per person
$281
per person
found 1 day ago
1 Hotel Seattle
5.0-star property

1 Hotel Seattle

Apr 9 - Apr 12

3 night stay

Denver (DEN) to Seattle (SEA)

Delta • Coach

Seattle (SEA) to Denver (DEN)

Southwest Airlines • Coach
Save 100% on your flight
Price was $1,023, price is now $619 per person
$619
per person
found 1 day ago
The Belltown Inn
2.5-star property

The Belltown Inn

Apr 24 - Apr 28

4 night stay

Denver (DEN) to Seattle (SEA)

Southwest Airlines • Coach

Seattle (SEA) to Denver (DEN)

Delta • Coach
Save 100% on your flight
Price was $638, price is now $453 per person
$453
per person
found 1 day ago
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Mercer Island first class flight packages

Price found within the past 48 hours. Click for updated prices.
The Belltown Inn
2.5-star property

The Belltown Inn

9.2/10 Wonderful! (4,426 reviews)

Apr 22 - Apr 25

3 night stay

Los Angeles (LAX) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $800, price is now $663 per person
$663
per person
found 1 day ago
The room was clean and cozy. Staff was helpful and friendly. Walking distance to area attractions and dining. Rooftop terrace has an outstanding view. Will stay there again.

Reviewed on Nov 1, 2025

Mayflower Park Hotel
4.0-star property

Mayflower Park Hotel

9.4/10 Exceptional! (2,483 reviews)

Apr 22 - Apr 25

3 night stay

Los Angeles (LAX) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $880, price is now $713 per person
$713
per person
found 1 day ago
Very nice place... old fashioned and well kept

Reviewed on Nov 13, 2025

Mediterranean Inn
3.0-star property

Mediterranean Inn

9.4/10 Exceptional! (5,783 reviews)

Apr 22 - Apr 25

3 night stay

Los Angeles (LAX) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $809, price is now $668 per person
$668
per person
found 1 day ago
Staff was super friendly and parking was easy. It is so close to Climate Pledge Arena I stay here anytime I have an event to go to there.

Reviewed on Jan 2, 2026

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See all available trips from Los Angeles to Mercer Island
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Mercer Island

Snag some “suite” deals when you add cheap hotel rooms to Mercer Island flights at Orbitz. You can score tickets to ballgames, concerts and other activities while planning your low fare flights. For non-stop air tickets or planned layovers, Orbitz is your discount travel resource.

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Fun for All

While shopping Orbitz sales on Mercer Island flights, remember to throw in some fun. Ticket sales for music, theatre, sports and more can be found on the Activities page. Just tell us what you want to do, and Orbitz will save your seat.

Non-Stop or Stop and Visit

Will you be flying round-trip or one-way? Going directly from Point A to Point B? Maybe you’d like to have dinner with family and friends along the way. Whether you need non-stop flights to {destination.name} or lowest cost layovers on Mercer Island flights, you will always find the best air travel prices at Orbitz.

All in One

Now you can custom design the perfect travel package with Orbitz and save more when booking your flights to Mercer Island. Do you have a favorite airline, hotel or car rental company? Every page at Orbitz gives you complete freedom to create your travel plans according to your unique wants and needs. Orbitz is designed to meet your discount travel planning needs completely and conveniently.

Frequently asked questions

Which airlines fly to Mercer Island?
With 20 airlines offering services to Seattle - Tacoma Intl. Airport (SEA), the main gateway to Mercer Island, you have loads of options. Find an incredible deal among these well-known international carriers that fly in and out of this city:

  • Alaska Airlines - 257 flights to Mercer Island per month
  • Delta - 210 flights to Mercer Island per month
  • Air Canada - 121 flights to Mercer Island per month

What is the best airport to fly to in Mercer Island?
Jump on a flight to Seattle - Tacoma Intl. Airport (SEA) and get ready to explore the sights and sounds of this popular city. The airport is around 9 miles southwest of the downtown area. Also look into the price of tickets to Snohomish County - Paine Field Airport (PAE), another terminal that services Mercer Island.
How much is a flight to Mercer Island?
Round-trip flights to Mercer Island this past week ranged from $198 to $226. If you were flying one-way from Victoria (YWH), you could have landed tickets from just $100.
How to book the cheapest flight to Mercer Island?
Scoring cheap flights to Mercer Island is as easy as booking with Orbitz. But if you'd love to make sure you're nabbing the best flight deals around, here are a few tips to keep your wallet happy:

  • Departing from or arriving at nearby airports can help you save on airfares. Type in your preferred departure and arrival points. Next, click on the 'Nearby airports' function below to explore your options.
  • If your travel plans aren't cast in stone, click on the 'Show flexible dates' link to bring up the flight deals across different departure dates. You may find an even better fare.
  • Select 'Show options' to filter your search results. You can choose your preferred seating class and airline here. Under 'Sort & Filter' to the left, you can even select whether you want to fly in the morning, afternoon or evening.
  • Lock in your fare as soon as you've sorted your travel dates. While it does happen from time to time, airfares rarely get more affordable as your departure date approaches.
  • Combine your flights, hotels and car rentals into an impressive package deal. Save your money for things that really excite you, like exploring every corner of Mercer Island.
  • Flying during peak season can mean pricey airfares. If possible, plan your trip outside of popular periods, such as Christmas, New Year's Eve and Easter.

How long is a flight to Mercer Island?
Of course, flight times differ based on where you're departing from. But to give you an understanding of the average duration, cast your eye over these busy routes to Mercer Island:

  • San Francisco, CA (SFO-San Francisco Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 2 hours and 25 minutes
  • Portland, OR (PDX-Portland Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 1 hour and 18 minutes
  • Spokane, WA (GEG-Spokane Intl.) to Seattle - Tacoma Intl. Airport (SEA) - 1 hour and 21 minutes

What is the best time to book a flight to Mercer Island?
Generally speaking, January is the ideal time to purchase your plane ticket. This is followed by February and August. Bear this in mind while searching for a cheap flight to Mercer Island.
What day of the week is the cheapest to book a flight to Mercer Island?
Make a booking on a Tuesday, Wednesday or Saturday. Generally, these are the cheapest days to purchase tickets to Mercer Island. The vacation of your dreams starts with a fantastic flight deal!
What is the cheapest day of the week to fly to Mercer Island?
Everyone loves a great bargain, so think about leaving earlier in the week for cheap flights to Mercer Island. Orbitz data from 2020 suggests you can secure the best deals on flights departing on Mondays. Tuesday is the next cheapest day, while Saturdays are likely to cost an arm and a leg. Many people tend to travel at the end of the week, so leave those Saturdays for binge-watching your favorite movies.
What is the cheapest month to fly to Mercer Island?
If you have some wiggle room with your travel dates, think about leaving sometime in August. Orbitz data shows that this is generally the best month to travel if you want cheap flights to Mercer Island. As you would expect, airfares increase in the busy month of June and flights fill up fast.
Which airlines allow free cancellation?
If you suspect your travel plans may change, Orbitz will help you lock in a flexible ticket. All you have to do is select "Filter by flexible change policies" when searching for your Mercer Island flights. We'll show you airlines that include free cancellation within 24 hours and no change fees — along with our famous low prices.
What do I need for the flight to Mercer Island?
From onboard entertainment to travel essentials like noise-canceling headphones, there are several things a seasoned flyer won't take off without. To make sure you're organized for your journey, check out this useful list:

  • Travel paperwork such as e-tickets and some identification are a must. To avoid any last-minute delays when checking in, ensure that your booking is made with the exact name, birth date and gender as listed on your government-issued ID.
  • Pack your carry-on bag with snacks and things to keep you busy and you'll happily pass the time on your medium-haul flight. If possible, jump on the airport's Wi-Fi and download your favorite podcast or playlist to your phone or tablet prior to take off.
  • Regardless what the season is at your destination, airplane cabins can feel a little chilly. Carry an extra layer on board with you to stay nice and warm.

How many direct flights are there to Mercer Island?
With 1,427 direct flights every month, traveling to Mercer Island doesn't need to be stressful. Alaska Airlines is one airline offering nonstop services to this vibrant destination.
How do I get cheap first-class/business deals to Mercer Island?
If you think a business or first-class fare is out of your price range, think again. Here are some practical tips to help you score a premium flight to Mercer Island for less:

  • Flexibility isn't just useful in the gym. Avoid locking in your travel dates so you can snap up cheaper airfares when a sale comes along.
  • Many budget carriers have outstanding business or premium-class seating without the hefty fees.
  • Make a bid for an upgrade. Some airlines hold online auctions that let you put down a price for a seat up the front. You can also try upgrading with points earned through a loyalty scheme.

How to get into Mercer Island from the airport?
Hotfoot it into central Mercer Island with a Seattle - Tacoma Intl. Airport (SEA) car rental. Budget and Hertz are two reliable agencies at Seattle - Tacoma Intl. Airport (SEA). Throw your baggage in the trunk, head 9 miles to the northeast and you'll be in the center of the city in a jiffy. Lots of travelers also use taxis or public transportation to travel into town from the airport. From there, you can still rent a ride to see more of the region with one of our Mercer Island car rentals.
What is the best time to go to Mercer Island?
Mercer Island is a popular place in February, April and August. If you plan to head there during these months, it would be a good idea to book ahead of time to ensure you get the greatest deals. Like to know what summertime's like in Mercer Island? Average daily temperatures normally float between 50 ºF and 75 ºF. Like most of the Northern Hemisphere, the summer season kicks off June 20 here.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.