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Cheap flights from New York LaGuardia Airport to Seattle from £90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Seattle departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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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
14:59 - 20:56
LGA
-
SEA
8h 57m
1 stop
United Airlines Logo
12:55 - 23:30
SEA
-
LGA
7h 35m
1 stop
£180United Airlines
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
13:15 - 19:03
LGA
-
SEA
8h 48m
1 stop
United Airlines Logo
10:55 - 21:12
SEA
-
LGA
7h 17m
1 stop
£182United Airlines
Sat, 28 Feb - Wed, 4 Mar
United Airlines Logo
06:10 - 11:49
LGA
-
SEA
8h 39m
1 stop
United Airlines Logo
07:00 - 17:13
SEA
-
LGA
7h 13m
1 stop
£183United Airlines
Tue, 24 Feb - Sat, 28 Feb
Southwest Logo
14:10 - 22:30
LGA
-
SEA
11h 20m
1 stop
Southwest Logo
07:00 - 22:30
SEA
-
LGA
12h 30m
2 stops
£184Southwest
Tue, 17 Mar - Tue, 24 Mar
United Airlines Logo
16:25 - 22:43
LGA
-
SEA
9h 18m
1 stop
United Airlines Logo
07:00 - 17:13
SEA
-
LGA
7h 13m
1 stop
£185United Airlines
Sat, 28 Feb - Sat, 7 Mar
United Airlines Logo
15:25 - 21:12
LGA
-
SEA
8h 47m
1 stop
United Airlines Logo
05:00 - 17:13
SEA
-
LGA
9h 13m
2 stops
£187United Airlines
Tue, 24 Feb - Sat, 28 Feb
Delta Logo
18:00 - 23:53
LGA
-
SEA
8h 53m
1 stop
Delta Logo
21:45 - 08:39
SEA
-
LGA
7h 54m
1 stop
£188Delta
Wed, 22 Apr - Wed, 29 Apr
Southwest Logo
09:05 - 16:55
LGA
-
SEA
10h 50m
2 stops
Southwest Logo
23:45 - 12:35
SEA
-
LGA
9h 50m
1 stop
£191Southwest
Wed, 15 Apr - Tue, 21 Apr
American Airlines Logo
16:30 - 00:24
LGA
-
SEA
10h 54m
1 stop
American Airlines Logo
00:07 - 10:23
SEA
-
LGA
7h 16m
1 stop
£194American Airlines
Thu, 26 Feb - Tue, 17 Mar
Southwest Logo
16:30 - 22:30
LGA
-
SEA
9h 00m
1 stop
Southwest Logo
07:25 - 17:40
SEA
-
LGA
7h 15m
1 stop
£195Southwest
Wed, 25 Feb - Sun, 1 Mar

American Airlines flights from New York LaGuardia Airport to Seattle

Our best American Airlines deals on New York LaGuardia Airport to Seattle flight tickets
American Airlines
26 Feb
LGA16:30New York LaGuardia
10h 54m
1 stop
SEA00:24Seattle/Tacoma Intl
17 Mar
SEA00:07Seattle/Tacoma Intl
7h 16m
1 stop
LGA10:23New York LaGuardia
£194
American Airlines
1 Apr
LGA18:59New York LaGuardia
8h 25m
1 stop
SEA00:24Seattle/Tacoma Intl
6 Apr
SEA23:59Seattle/Tacoma Intl
8h 29m
1 stop
LGA11:28New York LaGuardia
£216
American Airlines
26 Feb
LGA16:30New York LaGuardia
9h 34m
1 stop
SEA23:04Seattle/Tacoma Intl
11 Mar
SEA00:07Seattle/Tacoma Intl
7h 23m
1 stop
LGA10:30New York LaGuardia
£221

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
24 Feb
LGA13:15New York LaGuardia
8h 48m
1 stop
SEA19:03Seattle/Tacoma Intl
24 Feb
SEA23:59Seattle/Tacoma Intl
9h 13m
1 stop
LGA12:12New York LaGuardia
£180
United Airlines
28 Feb
LGA13:15New York LaGuardia
8h 48m
1 stop
SEA19:03Seattle/Tacoma Intl
4 Mar
SEA10:55Seattle/Tacoma Intl
7h 17m
1 stop
LGA21:12New York LaGuardia
£182
United Airlines
28 Feb
LGA16:25New York LaGuardia
9h 18m
1 stop
SEA22:43Seattle/Tacoma Intl
7 Mar
SEA07:00Seattle/Tacoma Intl
7h 13m
1 stop
LGA17:13New York LaGuardia
£185

momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 February 2026.
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

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 24/2

14:59-20:56

1 stop8h 57m

Seattle/Tacoma Intl

Wed 25/2

12:55-23:30

1 stop7h 35m

£180

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 28/2

13:15-19:03

1 stop8h 48m

Seattle/Tacoma Intl

Wed 4/3

10:55-21:12

1 stop7h 17m

£182

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 24/2

06:10-11:49

1 stop8h 39m

Seattle/Tacoma Intl

Sat 28/2

07:00-17:13

1 stop7h 13m

£183

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 17/3

14:10-22:30

1 stop11h 20m

Seattle/Tacoma Intl

Tue 24/3

07:00-22:30

2 stops12h 30m

£184

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 28/2

16:25-22:43

1 stop9h 18m

Seattle/Tacoma Intl

Sat 7/3

07:00-17:13

1 stop7h 13m

£185

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 24/2

15:25-21:12

1 stop8h 47m

Seattle/Tacoma Intl

Sat 28/2

05:00-17:13

2 stops9h 13m

£187

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 22/4

18:00-23:53

1 stop8h 53m

Seattle/Tacoma Intl

Wed 29/4

21:45-08:39

1 stop7h 54m

£188

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 15/4

09:05-16:55

2 stops10h 50m

Seattle/Tacoma Intl

Tue 21/4

23:45-12:35

1 stop9h 50m

£191

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 26/2

16:30-00:24

1 stop10h 54m

Seattle/Tacoma Intl

Tue 17/3

00:07-10:23

1 stop7h 16m

£194

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 25/2

16:30-22:30

1 stop9h 00m

Seattle/Tacoma Intl

Sun 1/3

07:25-17:40

1 stop7h 15m

£195

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 November. Flight prices, which tend to average around £194, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Seattle, with average flight prices from New York LaGuardia Airport averaging around £205.

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 £225. 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 £497.

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 afternoon. momondo users have found flights departing from New York LaGuardia Airport to Seattle in the afternoon for as low as £302. 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 morning are often more expensive, with an average ticket price of £304.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £267 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New York LaGuardia Airport for as low as £204 on momondo.

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

As of February 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 1% cheaper 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

Fastest flight time

8h 59m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Seattle takes 8h 59m
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

  • 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 59m 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.

  • What is the most popular plane model from New York LaGuardia Airport to Seattle?

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
SeaTac
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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