£73 Cheap Flights from New York (LGA) to Seattle (SEA)

View £73 flight on Sat, 4 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £73 for one-way flights and £146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£146 Return, found 5 days ago
£146
Return
found 5 days ago
Select American Airlines flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £146 found 5 days ago
Delta
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£161 Return, found 5 days ago
£161
Return
found 5 days ago
Select Delta flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £161 found 5 days ago
American Airlines
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£169 Return, found 5 days ago
£169
Return
found 5 days ago
Select American Airlines flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £169 found 5 days ago
American Airlines
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£187 Return, found 5 days ago
£187
Return
found 5 days ago
Select American Airlines flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £187 found 5 days ago
Delta
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£199 Return, found 5 days ago
£199
Return
found 5 days ago
Select Delta flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £199 found 5 days ago
American Airlines
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£214 Return, found 5 days ago
£214
Return
found 5 days ago
Select American Airlines flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £214 found 5 days ago
American Airlines
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£220 Return, found 5 days ago
£220
Return
found 5 days ago
Select American Airlines flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £220 found 5 days ago
American Airlines
Sat, 4 Oct - Sat, 11 Oct
LGA
New York
SEA
Seattle
£226 Return, found 17 hours ago
£226
Return
found 17 hours ago
Select American Airlines flight, departing Sat, 4 Oct from New York to Seattle, returning Sat, 11 Oct, priced at £226 found 17 hours ago
United
Tue, 4 Nov - Wed, 5 Nov
LGA
New York
SEA
Seattle
£240 Return, found 5 days ago
£240
Return
found 5 days ago
Select United flight, departing Tue, 4 Nov from New York to Seattle, returning Wed, 5 Nov, priced at £240 found 5 days ago
Alaska Airlines
Tue, 28 Oct - Tue, 4 Nov
LGA
New York
SEA
Seattle
£293 Return, found 2 hours ago
£293
Return
found 2 hours ago
Select Alaska Airlines flight, departing Tue, 28 Oct from New York to Seattle, returning Tue, 4 Nov, priced at £293 found 2 hours ago

Find the cheapest month to fly from New York (LGA) to Seattle (SEA)

October is typically the cheapest month to fly

From £102 - £323 per traveller.
Flight from New York to Seattle route information
Origin airport
LaGuardia
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£146
Distance
3849 km

Compare flights from New York to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from New York to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from LaGuardia to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from LaGuardia (LGA) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from New York to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from LaGuardia to Seattle - Tacoma Intl. start at just £146 and range up to £293.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near New York and Seattle
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your New York to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from LaGuardia to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from LaGuardia Airport (LGA) to SEA?
The lowest price advertised for a round-trip flight between LaGuardia Airport and Sea-Tac Airport is £146. But you better act fast. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LaGuardia Airport (LGA) to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be cancelled online, but every airline has its own terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from LGA to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LaGuardia Airport (LGA) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LaGuardia Airport to Seattle - Tacoma Intl. Airport (SEA)?
The flight distance from Flushing to SeaTac is 3,900 kilometres. Bring along a snack, a drink and an interesting book to read. Keep yourself occupied and the hours will fly by.
Which airlines fly direct from LGA to SEA?
Unfortunately, there aren't any airlines that fly directly between LaGuardia Airport and SEA. You'll need to book a flight with at least one stop.
Are LaGuardia Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute flight deals between LaGuardia Airport (LGA) and SEA are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers announce their prices up to a year prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to secure your seat when the price dips.

Explore a world of travel with Expedia

New York Airports

New York

John F. Kennedy Intl. to Seattle
£126.90

Newark Liberty Intl. Airport

Newark Liberty Intl. Airport to Seattle
£145.00
*Available to Expedia members.