$110 Cheap Flights from Seattle (SEA) to New York (LGA)

Popular airlines from Seattle-Tacoma International Airport (SEA) to LaGuardia Airport (LGA)

Find available prices by choosing your travel dates.

Cheap Flights from Seattle to New York (SEA-LGA)

Prices were available within the past 7 days and start at $110 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
American Airlines
United
Southwest Airlines
Delta
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
Roundtrip price
$198
Distance
2405 mi

Seattle to New York Flights

The cheapest times to fly from Seattle to New York

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to New York are during the month of June. You can find some of the cheapest flights from Seattle to New York with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to New York

Sunday is one of the best days to book for cheap flights from Seattle to New York: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to New York

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to New York in 2025. You can also book with separate airlines for your outbound and return journeys, from $110 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to New York flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to New York airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA) cost?
Discover the latest flight deals from SEA to LGA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to LGA?
The cheapest flights from SEA to LGA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to LGA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SEA to LGA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA)?
You’ll need to catch a flight with a layover if you’re traveling from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SEA to LGA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for New York from Seattle - Tacoma Intl. Airport (SEA)?
Hop on a direct flight from Seattle - Tacoma Intl. Airport (SEA) to New York and arrive at Liberty Intl. Airport (EWR). An alternative arrival point to this destination is John F. Kennedy Intl. Airport (JFK).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA) last-minute?
Waiting until just before your departure to book a flight from SEA to LGA generally means paying more. While it’s possible to find some last-minute offers, there’s no guarantee. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a SEA to LGA flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to LGA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to LaGuardia Airport (LGA)?
If you booked your SEA to LGA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you’d like more information.

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*Available to One Key members.