Cheap flights To Mercer Island (SEA) from $63

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Cheap Flights to Mercer Island from $63 One Way, $99 Round Trip

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

Wed, Aug 19 - Wed, Aug 26
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$99 Roundtrip, found 1 hour ago
$99
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Aug 26, priced at $99 found 1 hour ago
Sat, Aug 22 - Wed, Aug 26
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$114 Roundtrip, found 3 hours ago
$114
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Aug 22 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Aug 26, priced at $114 found 3 hours ago
Tue, Sep 29 - Sat, Oct 3
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$123 Roundtrip, found 4 days ago
$123
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Sep 29 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 3, priced at $123 found 4 days ago
Sun, Aug 23 - Wed, Aug 26
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$124 Roundtrip, just found
$124
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 23 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Aug 26, priced at $124 just found
Thu, Sep 24 - Fri, Oct 2
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$125 Roundtrip, found 5 days ago
$125
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Sep 24 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Oct 2, priced at $125 found 5 days ago
Fri, Aug 7 - Wed, Aug 12
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$126 Roundtrip, found 5 hours ago
$126
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Aug 7 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Aug 12, priced at $126 found 5 hours ago
Wed, Aug 26 - Wed, Sep 2
LAX
Los Angeles Intl.
SEA
Seattle - Tacoma Intl.
$128 Roundtrip, found 5 hours ago
$128
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Aug 26 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Wed, Sep 2, priced at $128 found 5 hours ago
Tue, Oct 6 - Sat, Oct 10
SFO
San Francisco Intl.
PAE
Seattle Paine Field Intl. Airport
$157 Roundtrip, found 5 days ago
$157
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Oct 6 from San Francisco Intl. to Seattle Paine Field Intl. Airport, returning Sat, Oct 10, priced at $157 found 5 days ago
Sun, Sep 6 - Wed, Sep 9
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
$163 Roundtrip, found 3 hours ago
$163
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Sep 6 from San Francisco Intl. to Seattle - Tacoma Intl., returning Wed, Sep 9, priced at $163 found 3 hours ago
Mon, Sep 28 - Thu, Oct 1
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
$186 Roundtrip, found 1 hour ago
$186
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Sep 28 from San Francisco Intl. to Seattle - Tacoma Intl., returning Thu, Oct 1, priced at $186 found 1 hour ago

Mercer Island Flight Information

Traveling To
Mercer Island
Destination Airport IATA Code
SEA
Number of Airlines Serving
Airlines
Frontier Airlines, Alaska Airlines, United, American Airlines, Southwest Airlines
Flight Price
$99
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.
Mayflower Park Hotel
4.0-star property

Mayflower Park Hotel

Aug 12 - Aug 17

5 night stay

Atlanta (ATL) to Seattle (SEA)

Delta • Coach

Seattle (SEA) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,462, price is now $999 per person
$999
per person
found 1 day ago
1 Hotel Seattle
5.0-star property

1 Hotel Seattle

Aug 13 - Aug 17

4 night stay

Los Angeles (LAX) to Seattle (SEA)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $2,068, price is now $1,234 per person
$1,234
per person
found 1 day ago
The State Hotel
4.0-star property

The State Hotel

Aug 12 - Aug 17

5 night stay

Atlanta (ATL) to Seattle (SEA)

Delta • Coach

Seattle (SEA) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,823, price is now $1,271 per person
$1,271
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

9.4/10 Exceptional! (4,599 reviews)

Aug 16 - Aug 23

7 night stay

Atlanta (ATL) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $2,425, price is now $1,912 per person
$1,912
per person
found 19 hours ago
The hotel is nice and clean. It is located in a great spot. Bikes are great perk. Love the rooftop terrace. Only downside is no workout room or no conference room for business travel.

Reviewed on Jul 7, 2026

The State Hotel
4.0-star property

The State Hotel

9.4/10 Exceptional! (1,378 reviews)

Aug 16 - Aug 23

7 night stay

Atlanta (ATL) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $2,860, price is now $2,144 per person
$2,144
per person
found 19 hours ago
Loved the location

Reviewed on Jul 7, 2026

Mediterranean Inn
3.0-star property

Mediterranean Inn

9.4/10 Exceptional! (5,906 reviews)

Aug 16 - Aug 23

7 night stay

Atlanta (ATL) to Seattle (SEA)

Alaska Airlines • Roundtrip • FirstClass
Price was $2,677, price is now $2,016 per person
$2,016
per person
found 19 hours ago
Nice location, within walking distance of everything but not surrounded by skyscrapers. Self-parking was useful and convenient.

Reviewed on Jul 7, 2026

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Mercer Island

Orbitz provides convenient, one-stop shopping for travelers looking for budget flights to Mercer Island or any other low fare domestic or international air travel.

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Stay on Budget, Earn Miles with Bargain Mercer Island Flights

You can find amazing discount fares with Orbitz’s guaranteed low prices or take advantage of last-minute sales and special travel packages. You can also earn points towards your airline frequent flyer programs when you book qualified flights to Mercer Island. That means you can rack up money-saving points and miles for future use while saving money now.

We Are Just a Phone Call Away If You Need Us

Booking, changing, or canceling your Mercer Island flights is a breeze with Orbitz’s online and mobile tools, but that doesn't mean that we leave you hanging if you want to speak with one of our representatives. If you need help, just contact our Customer Service by email or phone. To enjoy a less stressful trip, be sure to sign up for instant alerts so we can send you any updates or delays relating to your flights to Mercer Island to your mobile phone or email.

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 $99 to $186. If you were flying one-way from Los Angeles (LAX), you could have landed tickets from just $63.
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.