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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
13:10 - 18:46LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 36m1 stop Chicago O'Hare Intl
United Airlines Logo
07:00 - 17:15SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 15m1 stop Chicago O'Hare Intl
£274United Airlines
Fri, 11 Dec - Mon, 14 Dec
American Airlines Logo
07:00 - 14:36LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
10h 36m1 stop Chicago O'Hare Intl
American Airlines Logo
23:39 - 10:15SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 36m1 stop Chicago O'Hare Intl
£274American Airlines
Mon, 14 Dec - Mon, 14 Dec
United Airlines Logo
16:23 - 22:43LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 20m1 stop Chicago O'Hare Intl
United Airlines Logo
05:05 - 17:15SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
9h 10m2 stops Denver Intl Chicago O'Hare Intl
£277United Airlines
Thu, 3 Dec - Tue, 8 Dec
American Airlines Logo
12:16 - 20:31LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
11h 15m1 stop Chicago O'Hare Intl
American Airlines Logo
10:47 - 21:31SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 44m1 stop Chicago O'Hare Intl
£280American Airlines
Wed, 16 Dec - Thu, 24 Dec
United Airlines Logo
10:00 - 16:19LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
9h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
07:00 - 17:15SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 15m1 stop Chicago O'Hare Intl
£284United Airlines
Thu, 26 Nov - Wed, 2 Dec
Delta Logo
12:55 - 22:03LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
12h 08m1 stop Detroit Metropolitan Wayne County
Delta Logo
06:00 - 19:44SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 44m1 stop Detroit Metropolitan Wayne County
£287Delta
Sat, 5 Dec - Wed, 9 Dec
Delta Logo
06:00 - 22:03LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
19h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
08:00 - 18:40SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 40m1 stop Atlanta Hartsfield-Jackson
£292Delta
Wed, 16 Dec - Tue, 12 Jan
United Airlines Logo
15:20 - 21:19LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
8h 59m1 stop Denver Intl
United Airlines Logo
22:56 - 09:09SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 13m1 stop Chicago O'Hare Intl
£292United Airlines
Sat, 14 Nov - Sat, 21 Nov
Delta Logo
09:25 - 22:03LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
15h 38m1 stop Detroit Metropolitan Wayne County
Delta Logo
09:50 - 23:26SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
10h 36m1 stop Detroit Metropolitan Wayne County
£295Delta
Sat, 5 Dec - Sat, 12 Dec
Delta Logo
06:00 - 10:45LGA  New York LaGuardia-SEA Seattle/Tacoma Intl
7h 45m1 stop Minneapolis St Paul
Delta Logo
06:00 - 16:32SEA  Seattle/Tacoma Intl-LGA New York LaGuardia
7h 32m1 stop Minneapolis St Paul
£296Delta
Tue, 1 Dec - Sat, 12 Dec

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Delta flights from New York LaGuardia Airport to Seattle

Our best Delta deals on New York LaGuardia Airport to Seattle flight tickets
Delta
5 Dec
LGA12:55New York LaGuardia
12h 08m
1 stop
SEA22:03Seattle/Tacoma Intl
9 Dec
SEA06:00Seattle/Tacoma Intl
10h 44m
1 stop
LGA19:44New York LaGuardia
£287
Delta
16 Dec
LGA06:00New York LaGuardia
19h 03m
1 stop
SEA22:03Seattle/Tacoma Intl
9 Jan
SEA12:00Seattle/Tacoma Intl
8h 27m
1 stop
LGA23:27New York LaGuardia
£292
Delta
5 Dec
LGA09:25New York LaGuardia
15h 38m
1 stop
SEA22:03Seattle/Tacoma Intl
12 Dec
SEA09:50Seattle/Tacoma Intl
10h 36m
1 stop
LGA23:26New York LaGuardia
£295

United Airlines flights from New York LaGuardia Airport to Seattle

Our best United Airlines deals on New York LaGuardia Airport to Seattle flight tickets
United Airlines
11 Dec
LGA13:10New York LaGuardia
8h 36m
1 stop
SEA18:46Seattle/Tacoma Intl
14 Dec
SEA07:00Seattle/Tacoma Intl
7h 15m
1 stop
LGA17:15New York LaGuardia
£274
United Airlines
3 Dec
LGA16:23New York LaGuardia
9h 20m
1 stop
SEA22:43Seattle/Tacoma Intl
8 Dec
SEA05:05Seattle/Tacoma Intl
9h 10m
2 stops
LGA17:15New York LaGuardia
£277
United Airlines
26 Nov
LGA10:00New York LaGuardia
9h 19m
1 stop
SEA16:19Seattle/Tacoma Intl
2 Dec
SEA07:00Seattle/Tacoma Intl
7h 15m
1 stop
LGA17:15New York LaGuardia
£284

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Fri 11/12

13:10-18:46

1 stop8h 36m

Seattle/Tacoma Intl

Mon 14/12

07:00-17:15

1 stop7h 15m

£274

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Mon 14/12

07:00-14:36

1 stop10h 36m

Seattle/Tacoma Intl

Mon 14/12

23:39-10:15

1 stop7h 36m

£274

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 3/12

16:23-22:43

1 stop9h 20m

Seattle/Tacoma Intl

Tue 8/12

05:05-17:15

2 stops9h 10m

£277

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 16/12

12:16-20:31

1 stop11h 15m

Seattle/Tacoma Intl

Thu 24/12

10:47-21:31

1 stop7h 44m

£280

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Thu 26/11

10:00-16:19

1 stop9h 19m

Seattle/Tacoma Intl

Wed 2/12

07:00-17:15

1 stop7h 15m

£284

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 5/12

12:55-22:03

1 stop12h 08m

Seattle/Tacoma Intl

Wed 9/12

06:00-19:44

1 stop10h 44m

£287

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Wed 16/12

06:00-22:03

1 stop19h 03m

Seattle/Tacoma Intl

Tue 12/1

08:00-18:40

1 stop7h 40m

£292

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 14/11

15:20-21:19

1 stop8h 59m

Seattle/Tacoma Intl

Sat 21/11

22:56-09:09

1 stop7h 13m

£292

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Sat 5/12

09:25-22:03

1 stop15h 38m

Seattle/Tacoma Intl

Sat 12/12

09:50-23:26

1 stop10h 36m

£295
Fastest return journey

New YorkSeattle

LGA New York LaGuardia - SEA Seattle/Tacoma Intl

LGASEA

New York LaGuardia

Tue 1/12

06:00-10:45

1 stop7h 45m

Seattle/Tacoma Intl

Sat 12/12

06:00-16:32

1 stop7h 32m

£296

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 cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from New York LaGuardia Airport is in January. Flight prices, which tend to average around £210, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Seattle, with average flight prices from New York LaGuardia Airport averaging around £221.

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 £250. 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 £513.

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 £406. 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 £424.

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

As of November 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 181% 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

8h 33m

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 £274.
The fastest flight from New York LaGuardia Airport to Seattle takes 8h 33m
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 8h 33m 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
Redmond
Kirkland
Leavenworth
Fife
SeaTac
Ashford
Tacoma
Kent
Tukwila

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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