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

Delta and United Airlines 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.

$221 Cheap Flights from New York LaGuardia Airport to Seattle in 2026

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Find the cheapest flights from New York LaGuardia Airport to Seattle

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 22:30

LGA

SEA

11h 30m1 stop

06:05 - 20:00

SEA

LGA

10h 55m2 stops

$381Southwest

Wed, 25 Feb - Wed, 4 Mar

09:00 - 14:21

LGA

SEA

8h 21m1 stop

23:10 - 08:57

SEA

LGA

6h 47m1 stop

$384Delta

Wed, 4 Feb - Sat, 14 Feb

10:28 - 18:26

LGA

SEA

10h 58m2 stops

07:00 - 17:13

SEA

LGA

7h 13m1 stop

$386United Airlines

Wed, 28 Jan - Thu, 29 Jan

07:20 - 17:50

LGA

SEA

13h 30m2 stops

06:35 - 17:30

SEA

LGA

7h 55m1 stop

$387Southwest

Tue, 10 Feb - Tue, 17 Feb

14:00 - 23:05

LGA

SEA

12h 05m2 stops

06:05 - 20:00

SEA

LGA

10h 55m2 stops

$389Southwest

Wed, 25 Feb - Wed, 4 Mar

07:20 - 17:50

LGA

SEA

13h 30m2 stops

06:05 - 21:00

SEA

LGA

11h 55m2 stops

$392Southwest

Wed, 4 Feb - Wed, 11 Feb

06:10 - 18:40

LGA

SEA

15h 30m1 stop

06:05 - 20:00

SEA

LGA

10h 55m2 stops

$395Southwest

Tue, 17 Feb - Wed, 18 Feb

06:15 - 13:35

LGA

SEA

10h 20m1 stop

06:05 - 20:00

SEA

LGA

10h 55m2 stops

$398Southwest

Thu, 26 Feb - Wed, 4 Mar

15:30 - 00:40

LGA

SEA

12h 10m2 stops

07:00 - 21:00

SEA

LGA

11h 00m2 stops

$401Southwest

Wed, 11 Mar - Wed, 25 Mar

10:10 - 16:01

LGA

SEA

8h 51m1 stop

05:00 - 17:13

SEA

LGA

9h 13m2 stops

$404United Airlines

Fri, 6 Feb - Tue, 10 Feb

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets

Southwest

25 Feb

LGA14:00New York LaGuardia

11h 30m

1 stop

SEA22:30Seattle/Tacoma Intl

4 Mar

SEA06:05Seattle/Tacoma Intl

10h 55m

2 stops

LGA20:00New York LaGuardia

$381

Southwest

10 Feb

LGA07:20New York LaGuardia

13h 30m

2 stops

SEA17:50Seattle/Tacoma Intl

17 Feb

SEA06:35Seattle/Tacoma Intl

7h 55m

1 stop

LGA17:30New York LaGuardia

$387

Southwest

25 Feb

LGA14:00New York LaGuardia

12h 05m

2 stops

SEA23:05Seattle/Tacoma Intl

4 Mar

SEA06:05Seattle/Tacoma Intl

10h 55m

2 stops

LGA20:00New York LaGuardia

$389

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

28 Jan

LGA10:28New York LaGuardia

10h 58m

2 stops

SEA18:26Seattle/Tacoma Intl

29 Jan

SEA07:00Seattle/Tacoma Intl

7h 13m

1 stop

LGA17:13New York LaGuardia

$386

United Airlines

6 Feb

LGA10:10New York LaGuardia

8h 51m

1 stop

SEA16:01Seattle/Tacoma Intl

10 Feb

SEA05:00Seattle/Tacoma Intl

9h 13m

2 stops

LGA17:13New York LaGuardia

$404

United Airlines

14 Apr

LGA09:10New York LaGuardia

10h 27m

1 stop

SEA16:37Seattle/Tacoma Intl

16 Apr

SEA07:00Seattle/Tacoma Intl

7h 13m

1 stop

LGA17:13New York LaGuardia

$407

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

Wed 25/2

14:00-22:30

1 stop11h 30m

Seattle/Tacoma Intl

Wed 4/3

06:05-20:00

2 stops10h 55m

$381

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 4/2

09:00-14:21

1 stop8h 21m

Seattle/Tacoma Intl

Sat 14/2

23:10-08:57

1 stop6h 47m

$384

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 28/1

10:28-18:26

2 stops10h 58m

Seattle/Tacoma Intl

Thu 29/1

07:00-17:13

1 stop7h 13m

$386

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 10/2

07:20-17:50

2 stops13h 30m

Seattle/Tacoma Intl

Tue 17/2

06:35-17:30

1 stop7h 55m

$387

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 25/2

14:00-23:05

2 stops12h 05m

Seattle/Tacoma Intl

Wed 4/3

06:05-20:00

2 stops10h 55m

$389

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 4/2

07:20-17:50

2 stops13h 30m

Seattle/Tacoma Intl

Wed 11/2

06:05-21:00

2 stops11h 55m

$392

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 17/2

06:10-18:40

1 stop15h 30m

Seattle/Tacoma Intl

Wed 18/2

06:05-20:00

2 stops10h 55m

$395

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 26/2

06:15-13:35

1 stop10h 20m

Seattle/Tacoma Intl

Wed 4/3

06:05-20:00

2 stops10h 55m

$398

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 11/3

15:30-00:40

2 stops12h 10m

Seattle/Tacoma Intl

Wed 25/3

07:00-21:00

2 stops11h 00m

$401

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 6/2

10:10-16:01

1 stop8h 51m

Seattle/Tacoma Intl

Tue 10/2

05:00-17:13

2 stops9h 13m

$404

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

What is the cheapest month to fly to Seattle?

The month of January is, on average, the cheapest month to fly to Seattle from New York LaGuardia Airport, with most prices found around $392. If you are unable to visit Seattle during the month of January, then departing from New York LaGuardia Airport during the month November is also very affordable. Most momondo users find prices during this month for around $398.

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 $601. 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 $893.

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 $803. 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 morning when prices are around $836.

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 $546 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 $416 on momondo.

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

As of January 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 205% 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

Fastest flight time	9h 46m
Direct flights	None

The fastest flight from New York LaGuardia Airport to Seattle takes 9h 46m

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?
The straight-line distance from New York LaGuardia to Seattle/Tacoma Intl is 3869.9 km. A reasonable flight in good conditions will take 9h 46m.
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%).

SeaTac

Leavenworth

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 $221

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Big names, great deals

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Filter for what you want

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Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap return flights

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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

United Airlines flights from New York LaGuardia Airport to Seattle

Our best United Airlines deals on New York LaGuardia Airport to Seattle flight tickets

momondo Fare Finder

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

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 January 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 205% more expensive 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?

Delta and United Airlines 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.

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