What is the cheapest airline that flies from New York LaGuardia to Seattle/Tacoma Intl?

United Airlines and Delta are the most popular carriers operating from New York LaGuardia to Seattle/Tacoma Intl

How often are flights from New York to Seattle delayed?

Historically, on average around 0% of flights between New York and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for New York to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$205 Cheap Flights from New York LaGuardia Airport to Seattle in 2025/26

Q: How many flights depart from New York LaGuardia Airport to Seattle on average per week?

The number of flights available between New York LaGuardia Airport and Seattle is 8 per week as of November 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

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Find the cheapest flights from New York LaGuardia Airport to Seattle

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Enter your travel dates to find the best prices.

09:15 - 16:07LGA-SEA

9h 52m1 stop

08:40 - 19:41SEA-LGA

8h 01m1 stop

$408United Airlines

Find Deal

Sat, 13 Dec - Sun, 14 Dec

16:59 - 21:49LGA-SEA

7h 50m1 stop

13:30 - 23:42SEA-LGA

7h 12m1 stop

$424Delta

Find Deal

Wed, 14 Jan - Tue, 27 Jan

07:15 - 13:57LGA-SEA

9h 42m1 stop

05:00 - 17:13SEA-LGA

9h 13m2 stops

$431United Airlines

Find Deal

Wed, 28 Jan - Sat, 31 Jan

10:34 - 18:14LGA-SEA

10h 40m2 stops

05:00 - 17:13SEA-LGA

9h 13m2 stops

$439United Airlines

Find Deal

Sat, 10 Jan - Sat, 17 Jan

06:00 - 10:45LGA-SEA

7h 45m1 stop

23:10 - 08:59SEA-LGA

6h 49m1 stop

$454Delta

Find Deal

Tue, 30 Dec - Sun, 11 Jan

06:00 - 13:15LGA-SEA

10h 15m1 stop

09:55 - 23:05SEA-LGA

10h 10m2 stops

$462Southwest

Find Deal

Sun, 18 Jan - Tue, 27 Jan

17:13 - 22:28LGA-SEA

8h 15m1 stop

07:00 - 18:07SEA-LGA

8h 07m1 stop

$468United Airlines

Find Deal

Fri, 12 Dec - Wed, 17 Dec

15:15 - 22:28LGA-SEA

10h 13m1 stop

07:00 - 17:07SEA-LGA

7h 07m1 stop

$470United Airlines

Find Deal

Sat, 13 Dec - Wed, 17 Dec

14:55 - 22:28LGA-SEA

10h 33m2 stops

10:40 - 21:07SEA-LGA

7h 27m1 stop

$476United Airlines

Find Deal

Sat, 13 Dec - Sun, 14 Dec

14:55 - 22:28LGA-SEA

10h 33m2 stops

07:00 - 17:07SEA-LGA

7h 07m1 stop

$477United Airlines

Find Deal

Sat, 13 Dec - Mon, 15 Dec

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

13 Dec

LGA09:15New York LaGuardia

9h 52m

1 stop

SEA16:07Seattle/Tacoma Intl

14 Dec

SEA08:40Seattle/Tacoma Intl

8h 01m

1 stop

LGA19:41New York LaGuardia

$408

Find similar

United Airlines

28 Jan

LGA07:15New York LaGuardia

9h 42m

1 stop

SEA13:57Seattle/Tacoma Intl

31 Jan

SEA05:00Seattle/Tacoma Intl

9h 13m

2 stops

LGA17:13New York LaGuardia

$431

Find similar

United Airlines

10 Jan

LGA10:34New York LaGuardia

10h 40m

2 stops

SEA18:14Seattle/Tacoma Intl

17 Jan

SEA05:00Seattle/Tacoma Intl

9h 13m

2 stops

LGA17:13New York LaGuardia

$439

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

14 Jan

LGA16:59New York LaGuardia

7h 50m

1 stop

SEA21:49Seattle/Tacoma Intl

17 Jan

SEA13:30Seattle/Tacoma Intl

7h 12m

1 stop

LGA23:42New York LaGuardia

$424

Find similar

Delta

30 Dec

LGA07:45New York LaGuardia

8h 35m

1 stop

SEA13:20Seattle/Tacoma Intl

9 Jan

SEA23:10Seattle/Tacoma Intl

9h 54m

1 stop

LGA12:04New York LaGuardia

$454

Find similar

Delta

8 Jan

LGA09:00New York LaGuardia

8h 21m

1 stop

SEA14:21Seattle/Tacoma Intl

11 Jan

SEA23:10Seattle/Tacoma Intl

9h 49m

1 stop

LGA11:59New York LaGuardia

$485

Find similar

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

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 13/12

09:15-16:07

1 stop9h 52m

Seattle/Tacoma Intl

Sun 14/12

08:40-19:41

1 stop8h 01m

$408

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 14/1

16:59-21:49

1 stop7h 50m

Seattle/Tacoma Intl

Tue 27/1

13:30-23:42

1 stop7h 12m

$424

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 28/1

07:15-13:57

1 stop9h 42m

Seattle/Tacoma Intl

Sat 31/1

05:00-17:13

2 stops9h 13m

$431

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 10/1

10:34-18:14

2 stops10h 40m

Seattle/Tacoma Intl

Sat 17/1

05:00-17:13

2 stops9h 13m

$439

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 30/12

06:00-10:45

1 stop7h 45m

Seattle/Tacoma Intl

Sun 11/1

23:10-08:59

1 stop6h 49m

$454

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sun 18/1

06:00-13:15

1 stop10h 15m

Seattle/Tacoma Intl

Tue 27/1

09:55-23:05

2 stops10h 10m

$462

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 12/12

17:13-22:28

1 stop8h 15m

Seattle/Tacoma Intl

Wed 17/12

07:00-18:07

1 stop8h 07m

$468

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 13/12

15:15-22:28

1 stop10h 13m

Seattle/Tacoma Intl

Wed 17/12

07:00-17:07

1 stop7h 07m

$470

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 13/12

14:55-22:28

2 stops10h 33m

Seattle/Tacoma Intl

Sun 14/12

10:40-21:07

1 stop7h 27m

$476

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 13/12

14:55-22:28

2 stops10h 33m

Seattle/Tacoma Intl

Mon 15/12

07:00-17:07

1 stop7h 07m

$477

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Seattle?

The month of October is, on average, the cheapest month to fly to Seattle from New York LaGuardia Airport, with most prices found around $430. If you are unable to visit Seattle during the month of October, then departing from New York LaGuardia Airport during the month January is also very affordable. Most momondo users find prices during this month for around $523.

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

The cheapest day to depart from New York LaGuardia Airport to Seattle is on a Friday. Travellers who choose to depart for Seattle on a Friday will often find tickets for as low as $615. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Seattle for around $914.

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 $855. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $890.

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 $681 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 $425 on momondo.

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

As of November 2025, prices for New York LaGuardia Airport to Seattle flights are approximately 14% 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	16h 35m
Direct flights	None

The fastest flight from New York LaGuardia Airport to Seattle takes 16h 35m

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.

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How far is New York LaGuardia to Seattle/Tacoma Intl by plane?
The straight-line distance from New York LaGuardia to Seattle/Tacoma Intl is 3869.9 km. A reasonable flight in good conditions will take 7h 45m.
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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from New York LaGuardia Airport to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from New York LaGuardia Airport to Seattle is Airbus A330-200 (25.00% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (25.00%), Boeing 737 MAX 8 (12.50%), and Boeing 737 (12.50%).

Leavenworth

SeaTac

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?

momondo does allow users to show only those flights to Seattle from New York which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Seattle from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Cheap flights from New York LaGuardia Airport to Seattle from $205

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United Airlines flights from New York LaGuardia Airport to Seattle

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

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?

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

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

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

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

As of November 2025, prices for New York LaGuardia Airport to Seattle flights are approximately 14% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from New York LaGuardia to Seattle/Tacoma Intl?

United Airlines and Delta are the most popular carriers operating from New York LaGuardia to Seattle/Tacoma Intl

How often are flights from New York to Seattle delayed?

Historically, on average around 0% of flights between New York and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for New York to Seattle flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How many flights depart from New York LaGuardia Airport to Seattle on average per week?

The number of flights available between New York LaGuardia Airport and Seattle is 8 per week as of November 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

When to book flights from New York LaGuardia Airport to Seattle

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

Direct flights

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

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

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

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

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

Travelling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington