$343 Cheap Alaska Airlines flights Seattle (SEA) to Long Beach (LGB)

View $343 flight on Thu, Sep 11, 2025Opens in a new window

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$343 Cheap Alaska Airlines flights Seattle (SEA) to Long Beach (LGB)

Prices were available within the past 7 days and start at $343 for one-way flights and $955 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Sep 18 - Mon, Sep 22
SEA
Seattle
LGB
Long Beach
$955 Roundtrip, found 6 hours ago
$955
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Thu, Sep 18 from Seattle to Long Beach, returning Mon, Sep 22, priced at $955 found 6 hours ago
Flights from Seattle (SEA) to Long Beach (LGB)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Long Beach Municipal
Airlines serving
Alaska Airlines, Delta, Southwest Airlines
Popular airline
Southwest Airlines
Distance
965 mi

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Long Beach Municipal Airport (LGB)?
Finding cheap one-way Alaska Airlines flights from SEA to LGB from $343 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $955 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to LGB with Alaska Airlines?
Search for return or one-way flights to Long Beach in January or December. You could find cheaper fares with Alaska Airlines during these quieter months.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Long Beach Municipal Airport (LGB) with Alaska Airlines?
To find cheap Alaska Airlines fares from Seattle - Tacoma Intl. Airport (SEA) to Long Beach Municipal Airport (LGB), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Long Beach Municipal Airport (LGB)?
To figure out if there's a direct trip from SEA to LGB with Alaska Airlines or other airlines, check the "Nonstop" box when browsing for tickets.
What is the earliest Alaska Airlines flight from SEA to LGB?
Search Alaska Airlines's earliest flights from SEA to LGB by selecting the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Long Beach?
Board an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Long Beach, and you'll most likely land at Long Beach Municipal Airport (LGB). This is the airline's main hub here.
Why fly with Alaska Airlines from SEA to LGB?
With a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is a popular option for many passengers heading from SEA to LGB. Plus, if you're a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Long Beach Municipal Airport (LGB)?
It's generally possible to cancel or reschedule your flight, although additional fees may apply if you made your booking more than 24 hours ago. Want to keep your options open? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you have to alter your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.