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Cheap flights from New York LaGuardia Airport to Seattle from £141

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
15:25 - 22:39LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
23:50 - 10:08SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 18m1 stop Chicago O'Hare Intl
£258United Airlines
Mon, 8 Feb - Sat, 13 Feb
Southwest Logo
07:00 - 17:50LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
13h 50m2 stops Nashville Intl Denver Intl
Southwest Logo
11:20 - 22:10SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 50m1 stop Chicago Midway
£259Southwest
Thu, 3 Dec - Mon, 7 Dec
Southwest Logo
10:20 - 16:45LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 25m1 stop Chicago Midway
Southwest Logo
06:30 - 17:00SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 30m1 stop Chicago Midway
£259Southwest
Sat, 5 Dec - Tue, 8 Dec
United Airlines Logo
14:59 - 20:37LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 38m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
23:14 - 09:44SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 30m1 stop Washington, D.C. Dulles Intl
£260United Airlines
Sat, 10 Oct - Tue, 13 Oct
United Airlines Logo
14:59 - 20:37LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 38m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
23:13 - 09:15SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 02m1 stop Chicago O'Hare Intl
£261United Airlines
Sat, 10 Oct - Tue, 20 Oct
American Airlines Logo
18:03 - 00:36LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
23:59 - 10:05SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 06m1 stop Chicago O'Hare Intl
£262American Airlines
Fri, 16 Oct - Fri, 23 Oct
United Airlines Logo
06:00 - 13:20LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 20m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
07:00 - 17:09SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 09m1 stop Chicago O'Hare Intl
£262United Airlines
Sun, 17 Jan - Sat, 23 Jan
Southwest Logo
09:50 - 18:30LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 40m2 stops Nashville Intl Denver Intl
Southwest Logo
10:40 - 23:10SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
9h 30m1 stop Denver Intl
£263Southwest
Sat, 31 Oct - Sat, 7 Nov
American Airlines Logo
07:12 - 14:20LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
10:43 - 21:35SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 52m1 stop Chicago O'Hare Intl
£264American Airlines
Sun, 1 Nov - Wed, 11 Nov
United Airlines Logo
06:05 - 12:19LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
22:56 - 09:09SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 13m1 stop Chicago O'Hare Intl
£265United Airlines
Wed, 28 Oct - Sun, 1 Nov

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Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
3 Dec
LGA07:00New York LaGuardia
13h 50m
2 stops
SEA17:50Seattle/Tacoma Intl
7 Dec
SEA11:20Seattle/Tacoma Intl
7h 50m
1 stop
LGA22:10New York LaGuardia
£259
Southwest
5 Dec
LGA10:20New York LaGuardia
9h 25m
1 stop
SEA16:45Seattle/Tacoma Intl
8 Dec
SEA06:30Seattle/Tacoma Intl
7h 30m
1 stop
LGA17:00New York LaGuardia
£259
Southwest
31 Oct
LGA09:50New York LaGuardia
11h 40m
2 stops
SEA18:30Seattle/Tacoma Intl
7 Nov
SEA10:40Seattle/Tacoma Intl
9h 30m
1 stop
LGA23:10New York LaGuardia
£263

Delta flights from New York LaGuardia Airport to Seattle

Our best Delta deals on New York LaGuardia Airport to Seattle flight tickets
Delta
2 Oct
LGA15:00New York LaGuardia
9h 15m
1 stop
SEA21:15Seattle/Tacoma Intl
4 Oct
SEA23:59Seattle/Tacoma Intl
7h 43m
1 stop
LGA10:42New York LaGuardia
£398
Delta
2 Oct
LGA06:02New York LaGuardia
7h 24m
1 stop
SEA10:26Seattle/Tacoma Intl
3 Oct
SEA23:59Seattle/Tacoma Intl
7h 43m
1 stop
LGA10:42New York LaGuardia
£431

momondo Fare Finder

 
Use the filters below to find and compare flights from New York LaGuardia Airport to Seattle that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Mon 8/2

15:25-22:39

1 stop10h 14m

Seattle/Tacoma Intl

Sat 13/2

23:50-10:08

1 stop7h 18m

£258

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 3/12

07:00-17:50

2 stops13h 50m

Seattle/Tacoma Intl

Mon 7/12

11:20-22:10

1 stop7h 50m

£259

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 5/12

10:20-16:45

1 stop9h 25m

Seattle/Tacoma Intl

Tue 8/12

06:30-17:00

1 stop7h 30m

£259

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 10/10

14:59-20:37

1 stop8h 38m

Seattle/Tacoma Intl

Tue 13/10

23:14-09:44

1 stop7h 30m

£260
Fastest return journey

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 10/10

14:59-20:37

1 stop8h 38m

Seattle/Tacoma Intl

Tue 20/10

23:13-09:15

1 stop7h 02m

£261

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Fri 16/10

18:03-00:36

1 stop9h 33m

Seattle/Tacoma Intl

Fri 23/10

23:59-10:05

1 stop7h 06m

£262

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sun 17/1

06:00-13:20

2 stops10h 20m

Seattle/Tacoma Intl

Sat 23/1

07:00-17:09

1 stop7h 09m

£262

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 31/10

09:50-18:30

2 stops11h 40m

Seattle/Tacoma Intl

Sat 7/11

10:40-23:10

1 stop9h 30m

£263

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sun 1/11

07:12-14:20

1 stop10h 08m

Seattle/Tacoma Intl

Wed 11/11

10:43-21:35

1 stop7h 52m

£264

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 28/10

06:05-12:19

1 stop9h 14m

Seattle/Tacoma Intl

Sun 1/11

22:56-09:09

1 stop7h 13m

£265

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from New York LaGuardia Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between New York LaGuardia Airport and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from £252 to £371.
The lowest price recently found on this route was £258.

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from New York LaGuardia Airport is in December. Flight prices, which tend to average around £199, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Seattle, with average flight prices from New York LaGuardia Airport averaging around £199.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from New York LaGuardia Airport. The lowest ticket price found for a Wednesday departure recently was £241. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £514.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the morning. momondo users have found flights departing from New York LaGuardia Airport to Seattle in the morning for as low as £402. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive, with an average ticket price of £403.

How have New York LaGuardia Airport to Seattle flight prices changed over time?

As of September 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 98% more expensive when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap New York LaGuardia Airport to Seattle (LGA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Seattle

Best price found

£141

Fastest flight time

7h 45m

Direct flights

None
The best one-way flight to Seattle from New York LaGuardia Airport in the past 72 hours is £141. The best return flight deal from New York LaGuardia Airport to Seattle found on momondo in the last 72 hours is £258.
The fastest flight from New York LaGuardia Airport to Seattle takes 7h 45m
There are no direct flights from New York LaGuardia Airport to Seattle. There are no popular flight routes from New York LaGuardia Airport to Seattle.
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to Seattle

  • How far is New York LaGuardia to Seattle/Tacoma Intl by plane?

    A flight from New York LaGuardia to Seattle/Tacoma Intl will travel around 2404.7 mi. Typically, this will take 7h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from New York LaGuardia Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How old do you have to be to fly from New York LaGuardia Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York LaGuardia Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Ashford
Tacoma
SeaTac
Kent
Tukwila
Fife

Why use momondo?

Why should I use momondo to find a flight deal from New York to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from New York to Seattle with flexible booking policies on momondo?

All flight searches from New York to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to Seattle?

Once you have performed a search for New York to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New York to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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