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Cheap flights from New York LaGuardia Airport to Seattle from £82

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 3/9. 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

Delta Logo
16:55 - 22:03LGA-SEA
8h 08m1 stop
Delta Logo
23:15 - 08:49SEA-LGA
6h 34m1 stop
£163Delta
Find Deal
Wed, 8 Oct - Mon, 20 Oct
Delta Logo
16:59 - 22:06LGA-SEA
8h 07m1 stop
Delta Logo
06:00 - 18:59SEA-LGA
9h 59m1 stop
£164Delta
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Delta Logo
06:05 - 10:45LGA-SEA
7h 40m1 stop
Delta Logo
23:55 - 10:51SEA-LGA
7h 56m1 stop
£187Delta
Find Deal
Tue, 2 Sep - Mon, 8 Sep
United Airlines Logo
11:15 - 18:52LGA-SEA
10h 37m1 stop
United Airlines Logo
07:00 - 17:07SEA-LGA
7h 07m1 stop
£191United Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Southwest Logo
07:20 - 13:40LGA-SEA
9h 20m1 stop
Southwest Logo
05:00 - 15:15SEA-LGA
7h 15m1 stop
£194Southwest
Find Deal
Tue, 2 Sep - Sat, 6 Sep
Delta Logo
14:40 - 22:05LGA-SEA
10h 25m1 stop
Delta Logo
06:00 - 15:54SEA-LGA
6h 54m1 stop
£198Delta
Find Deal
Mon, 25 Aug - Wed, 3 Sep
Southwest Logo
07:20 - 13:15LGA-SEA
8h 55m1 stop
Southwest Logo
05:55 - 17:40SEA-LGA
8h 45m1 stop
£206Southwest
Find Deal
Sun, 31 Aug - Sat, 6 Sep
United Airlines Logo
06:25 - 11:31LGA-SEA
8h 06m1 stop
United Airlines Logo
23:54 - 10:16SEA-LGA
7h 22m1 stop
£209United Airlines
Find Deal
Thu, 11 Sep - Mon, 15 Sep
Southwest Logo
06:00 - 13:40LGA-SEA
10h 40m2 stops
Southwest Logo
23:10 - 09:05SEA-LGA
6h 55m1 stop
£213Southwest
Find Deal
Wed, 27 Aug - Wed, 3 Sep
United Airlines Logo
06:25 - 11:31LGA-SEA
8h 06m1 stop
United Airlines Logo
07:00 - 18:17SEA-LGA
8h 17m1 stop
£219United Airlines
Find Deal
Tue, 19 Aug - Tue, 26 Aug

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
2 Sept
LGA07:20New York LaGuardia
9h 20m
1 stop
SEA13:40Seattle/Tacoma Intl
6 Sept
SEA05:00Seattle/Tacoma Intl
7h 15m
1 stop
LGA15:15New York LaGuardia
£194
Find similar
Southwest
31 Aug
LGA07:20New York LaGuardia
8h 55m
1 stop
SEA13:15Seattle/Tacoma Intl
6 Sept
SEA05:55Seattle/Tacoma Intl
8h 45m
1 stop
LGA17:40New York LaGuardia
£206
Find similar
Southwest
27 Aug
LGA06:00New York LaGuardia
10h 40m
2 stops
SEA13:40Seattle/Tacoma Intl
3 Sept
SEA23:10Seattle/Tacoma Intl
6h 55m
1 stop
LGA09:05New York LaGuardia
£213
Find similar

Delta flights from New York LaGuardia Airport to Seattle

Our best Delta deals on New York LaGuardia Airport to Seattle flight tickets
Delta
8 Oct
LGA16:55New York LaGuardia
8h 08m
1 stop
SEA22:03Seattle/Tacoma Intl
20 Oct
SEA23:15Seattle/Tacoma Intl
6h 34m
1 stop
LGA08:49New York LaGuardia
£163
Find similar
Delta
16 Sept
LGA16:59New York LaGuardia
8h 07m
1 stop
SEA22:06Seattle/Tacoma Intl
23 Sept
SEA06:00Seattle/Tacoma Intl
9h 59m
1 stop
LGA18:59New York LaGuardia
£164
Find similar
Delta
2 Sept
LGA06:05New York LaGuardia
7h 40m
1 stop
SEA10:45Seattle/Tacoma Intl
8 Sept
SEA23:55Seattle/Tacoma Intl
7h 56m
1 stop
LGA10:51New York LaGuardia
£187
Find similar

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 2 August 2025.
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

Wed 8/10

16:55-22:03

1 stop8h 08m

Seattle/Tacoma Intl

Mon 20/10

23:15-08:49

1 stop6h 34m

£163

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 16/9

16:59-22:06

1 stop8h 07m

Seattle/Tacoma Intl

Tue 23/9

06:00-18:59

1 stop9h 59m

£164

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 2/9

06:05-10:45

1 stop7h 40m

Seattle/Tacoma Intl

Mon 8/9

23:55-10:51

1 stop7h 56m

£187

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 29/10

11:15-18:52

1 stop10h 37m

Seattle/Tacoma Intl

Wed 5/11

07:00-17:07

1 stop7h 07m

£191

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 2/9

07:20-13:40

1 stop9h 20m

Seattle/Tacoma Intl

Sat 6/9

05:00-15:15

1 stop7h 15m

£194

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 25/8

14:40-22:05

1 stop10h 25m

Seattle/Tacoma Intl

Wed 3/9

06:00-15:54

1 stop6h 54m

£198

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sun 31/8

07:20-13:15

1 stop8h 55m

Seattle/Tacoma Intl

Sat 6/9

05:55-17:40

1 stop8h 45m

£206

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 11/9

06:25-11:31

1 stop8h 06m

Seattle/Tacoma Intl

Mon 15/9

23:54-10:16

1 stop7h 22m

£209

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 27/8

06:00-13:40

2 stops10h 40m

Seattle/Tacoma Intl

Wed 3/9

23:10-09:05

1 stop6h 55m

£213

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 19/8

06:25-11:31

1 stop8h 06m

Seattle/Tacoma Intl

Tue 26/8

07:00-18:17

1 stop8h 17m

£219

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?

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from New York LaGuardia Airport is in October. Flight prices, which tend to average around £201, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Seattle, with average flight prices from New York LaGuardia Airport averaging around £216.

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

According to our data, Monday is the cheapest day to fly to Seattle from New York LaGuardia Airport. The lowest ticket price found for a Monday departure recently was £344. 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Friday is £459.

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 £384. 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 £397.

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 £326 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 £223 on momondo.

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

As of August 2025, prices for New York LaGuardia Airport to Seattle flights are approximately 28% 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

Best price found

£82

Fastest flight time

7h 40m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from New York LaGuardia Airport in the past 72 hours is £82. The best return flight deal from New York LaGuardia Airport to Seattle found on momondo in the last 72 hours is £163.
The fastest flight from New York LaGuardia Airport to Seattle takes 7h 40m
There are no direct flights from New York LaGuardia Airport to Seattle. Popular non-direct route for this connection is New York LaGuardia Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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 7h 40m 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
Kent
SeaTac
Fife
Tukwila
Renton

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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