$219 Cheap Alaska Airlines flights Seattle (SEA) to New York (LGA)

View $219 flight on Tue, Sep 30, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$219 Cheap Alaska Airlines flights Seattle (SEA) to New York (LGA)

Prices were available within the past 7 days and start at $219 for one-way flights and $437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Sep 3 - Wed, Sep 10
SEA
Seattle
LGA
New York
$437 Roundtrip, just found
$437
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Sep 3 from Seattle to New York, returning Wed, Sep 10, priced at $437 just found
Alaska Airlines
Sun, Aug 24 - Sat, Aug 30
PAE
Seattle
LGA
New York
$769 Roundtrip, found 2 days ago
$769
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Aug 24 from Seattle to New York, returning Sat, Aug 30, priced at $769 found 2 days ago
Alaska Airlines
Thu, Aug 28 - Sat, Sep 6
PAE
Seattle
LGA
New York
$792 Roundtrip, found 3 days ago
$792
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle to New York, returning Sat, Sep 6, priced at $792 found 3 days ago
Alaska Airlines
Thu, Aug 28 - Sat, Sep 6
PAE
Seattle
LGA
New York
$879 Roundtrip, found 3 days ago
$879
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle to New York, returning Sat, Sep 6, priced at $879 found 3 days ago
Alaska Airlines
Thu, Aug 28 - Sat, Sep 6
PAE
Seattle
LGA
New York
$893 Roundtrip, found 3 days ago
$893
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle to New York, returning Sat, Sep 6, priced at $893 found 3 days ago
Alaska Airlines
Thu, Aug 28 - Sat, Sep 6
PAE
Seattle
LGA
New York
$915 Roundtrip, found 3 days ago
$915
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle to New York, returning Sat, Sep 6, priced at $915 found 3 days ago
Flights from Seattle (SEA) to New York (LGA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
LaGuardia
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
2405 mi

Frequently asked questions

How much is an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA)?
You'll find cheap return Alaska Airlines flights from $437 from SEA to LGA by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $219 for a one-way trip.**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 LGA with Alaska Airlines?
Look for round-trip or one-way flights to New York in January or February. You could find an affordable fare with Alaska Airlines during these quieter months.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA) with Alaska Airlines?
Start searching one to three months ahead of your departure date to find cheap fares on Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic journeys.*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 LaGuardia Airport (LGA)?
Click on the "Nonstop" filter when browsing for direct Alaska Airlines flights from SEA to LGA. It's also a great way to compare other airlines offering the same nonstop route.
What is the earliest Alaska Airlines flight from SEA to LGA?
Browse Alaska Airlines's earliest flights from SEA to LGA by selecting our "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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 New York?
Take an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to New York, and you'll probably arrive at LaGuardia Airport (LGA). This is the airline's primary hub in this city.
Why fly with Alaska Airlines from SEA to LGA?
Alaska Airlines makes traveling from SEA to LGA more comfortable with a rewarding loyalty program and top-tier customer service. You could even start earning points with Mileage Plan. Remember to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*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 LaGuardia Airport (LGA)?
Depending on the ticket type you purchased, a fee typically applies if you cancel or change your booking more than 24 hours after it's confirmed. To find tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you search for flights. For more information on canceling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.