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Cheap Flights from New York LaGuardia to Seattle

Compare New York LaGuardia to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

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Flight deals from New York LaGuardia to Seattle

Looking for a cheap last-minute deal or the best return flight from New York LaGuardia to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.C$128 per passenger.Departing Tue., Nov. 18.One-way flight with United.Outbound indirect flight with United, departs from New York LaGuardia on Tue., Nov. 18, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$128, select.
Seattle.C$135 per passenger.Departing Sat., Oct. 25.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from New York LaGuardia on Sat., Oct. 25, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$135, select.
Seattle.C$189 per passenger.Departing Fri., Dec. 5.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from New York LaGuardia on Fri., Dec. 5, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$189, select.
Seattle.C$190 per passenger.Departing Tue., Mar. 3.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from New York LaGuardia on Tue., Mar. 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$190, select.
Seattle.C$190 per passenger.Departing Sat., Feb. 7.One-way flight with Delta.Outbound indirect flight with Delta, departs from New York LaGuardia on Sat., Feb. 7, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$190, select.
Seattle.C$190 per passenger.Departing Mon., Jan. 19.One-way flight with United.Outbound indirect flight with United, departs from New York LaGuardia on Mon., Jan. 19, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$190, select.
Seattle.C$220 per passenger.Departing Wed., Sep. 24.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from New York LaGuardia on Wed., Sep. 24, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$220, select.
Seattle.C$230 per passenger.Departing Sat., Jul. 4.One-way flight with United.Outbound indirect flight with United, departs from New York LaGuardia on Sat., Jul. 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$230, select.

Find the cheapest month to fly from New York LaGuardia to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like New York LaGuardia to Seattle flights are currently cheapest in November.
Sep.
from C$220
Oct.
from C$135
Nov.
from C$128
Dec.
from C$189
Jan.
from C$190
Feb.
from C$190
Mar.
from C$190
Apr.
from C$231
May
from C$231
Jun.
from C$231
Jul.
from C$230
Aug.
from C$231

Alternative New York LaGuardia to Seattle routes

Looking for the cheapest, fastest or easiest route from New York LaGuardia to Seattle? You could fly into the following airports instead.

New York to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$128
Cheapest month to flyNovember

Finding cheap flights from New York LaGuardia to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from New York LaGuardia to Seattle is C$232. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from New York LaGuardia to Seattle. But we found flights with one or more stops from C$232.
As of September 2025, there are no flights flying from New York LaGuardia to Seattle.
The cheapest month to fly from New York LaGuardia to Seattle is usually October.
If you're flying from New York LaGuardia Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$232.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from New York LaGuardia Airport to Seattle on Saturday, October 11, 2025.
No airlines currently offer direct flights between New York LaGuardia Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 15°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Frontier Airlines offers the cheapest flight tickets to Seattle.

Flying from LaGuardia Airport (LGA) to Seattle: what you need to know

  • Seattle is 3 hours behind New York, where LaGuardia Airport is located. Seattle operates on the UTC-7 timezone.

  • Give yourself plenty of time to get on your flight from LGA to Seattle. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Going away during a peak time like July? High seasons (like Thanksgiving, Christmas/New Year and spring break) can add another hour at check-in and security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • When flying domestically within United States, you won't need a visa or passport. However, you'll have to show some kind of identification, such as an ID card or driver's licence. Once you've booked flight tickets from LaGuardia Airport to Seattle, make sure your ID is up to date.

  • Located around 18 kilometres from the centre of New York, LGA can be reached in approximately 27 minutes by car (depending on traffic). The same journey by public transport takes roughly 58 minutes.

  • After a stress-free start to your travels? Stay near LGA. Whether you're taking an early flight from LaGuardia Airport to Seattle or just don't like being rushed, these hotels are the answer:

How to find the cheapest flights from LaGuardia Airport (LGA) to Seattle

  • The lowest price we've found for a one-way ticket from LaGuardia Airport to Seattle is C$128. The cheapest price for a return flight is C$232. Remember fares can change due to availability at the time of booking.

  • To find cheap tickets from LGA to Seattle, book in advance. Airlines generally offer the most competitive fares when flights are first made available.

  • Getting cheap tickets from LaGuardia Airport to Seattle is more likely if you're flexible with your dates. Check out the 'Whole month' function to show the lowest fares throughout the month and land a great deal.

  • Log into your online account or use the app to set up a Price Alert. You'll get notified right away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of looking for cheap tickets from LGA to Seattle every day.

  • Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from LaGuardia Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from the centre of Seattle. With your own car rental or if you take a cab, the drive is around 18 minutes.

  • Getting there by public transport will take you around 54 minutes.

  • The last thing you need is a long journey to your hotel if you're landing late on a flight from LaGuardia Airport to Seattle. Book one of these accommodation options near SEA instead:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • It's time to choose your travel dates for your flight from LaGuardia Airport to Seattle. July is the most popular month for a trip to Seattle. If you like a more relaxed atmosphere, go in May.

  • Book your flight from LaGuardia Airport to Seattle for August to visit the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • February sees average temperatures of between -1ºC and 11ºC. Search for cheap flights from LGA to Seattle sometime then if you like cooler conditions.

More about Seattle

Complete your Seattle trip with a car rental

  • We use the same magic that helped you find your cheap flight from LaGuardia Airport to Seattle to track down awesome deals on car rentals. Search for your ride in seconds and easily compare your options. Plus you'll find everything you need to know about car rentals in Seattle, from the most popular car type to the best time to book.

Plan the rest of your trip from New York to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.