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

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

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 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.

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 7 per week as of November 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 are refreshed on a daily basis.

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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 181 Cheap Flights from New York LaGuardia Airport to Seattle in 2025/26

1 adult

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Find the cheapest flights from New York LaGuardia Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 12:47 p.m.LGA-SEA

9h 47m1 stop

10:53 a.m. - 9:07 p.m.SEA-LGA

7h 14m1 stop

C$ 325United Airlines

Find Deal

Sat, 15 Nov - Thu, 20 Nov

6:00 a.m. - 12:47 p.m.LGA-SEA

9h 47m1 stop

11:30 p.m. - 10:07 a.m.SEA-LGA

7h 37m1 stop

C$ 367United Airlines

Find Deal

Sat, 15 Nov - Sun, 16 Nov

6:15 a.m. - 11:28 a.m.LGA-SEA

8h 13m1 stop

7:00 a.m. - 5:07 p.m.SEA-LGA

7h 07m1 stop

C$ 374United Airlines

Find Deal

Fri, 21 Nov - Mon, 24 Nov

8:15 a.m. - 4:15 p.m.LGA-SEA

11h 00m2 stops

11:30 p.m. - 12:10 p.m.SEA-LGA

9h 40m1 stop

C$ 381United Airlines

Find Deal

Sat, 15 Nov - Sat, 22 Nov

8:00 a.m. - 2:54 p.m.LGA-SEA

9h 54m1 stop

6:00 a.m. - 6:46 p.m.SEA-LGA

9h 46m1 stop

C$ 387Delta

Find Deal

Tue, 3 Mar - Wed, 4 Mar

5:09 p.m. - 9:55 p.m.LGA-SEA

7h 46m1 stop

6:04 a.m. - 6:44 p.m.SEA-LGA

9h 40m1 stop

C$ 388Delta

Find Deal

Tue, 3 Mar - Wed, 4 Mar

4:56 p.m. - 10:25 p.m.LGA-SEA

8h 29m1 stop

11:40 a.m. - 10:41 p.m.SEA-LGA

8h 01m1 stop

C$ 415Delta

Find Deal

Thu, 4 Dec - Wed, 10 Dec

2:00 p.m. - 11:05 p.m.LGA-SEA

12h 05m2 stops

9:55 a.m. - 11:05 p.m.SEA-LGA

10h 10m2 stops

C$ 430Southwest

Find Deal

Wed, 21 Jan - Thu, 22 Jan

11:25 a.m. - 5:50 p.m.LGA-SEA

9h 25m1 stop

9:25 a.m. - 10:45 p.m.SEA-LGA

10h 20m2 stops

C$ 451Southwest

Find Deal

Fri, 30 Jan - Sat, 31 Jan

11:40 a.m. - 8:35 p.m.LGA-SEA

11h 55m2 stops

6:35 a.m. - 5:45 p.m.SEA-LGA

8h 10m1 stop

C$ 486Southwest

Find Deal

Thu, 13 Nov - Wed, 19 Nov

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

15 Nov

LGA6:00 a.m.New York LaGuardia

9h 47m

1 stop

SEA12:47 p.m.Seattle/Tacoma Intl

20 Nov

SEA10:53 a.m.Seattle/Tacoma Intl

7h 14m

1 stop

LGA9:07 p.m.New York LaGuardia

C$ 325

Find similar

United Airlines

7 Nov

LGA3:20 p.m.New York LaGuardia

10h 50m

1 stop

SEA11:10 p.m.Seattle/Tacoma Intl

12 Nov

SEA7:10 a.m.Seattle/Tacoma Intl

11h 35m

1 stop

LGA9:45 p.m.New York LaGuardia

C$ 332

Find similar

United Airlines

8 Nov

LGA6:00 a.m.New York LaGuardia

9h 47m

1 stop

SEA12:47 p.m.Seattle/Tacoma Intl

9 Nov

SEA11:30 p.m.Seattle/Tacoma Intl

8h 37m

1 stop

LGA11:07 a.m.New York LaGuardia

C$ 363

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

3 Mar

LGA8:00 a.m.New York LaGuardia

9h 54m

1 stop

SEA2:54 p.m.Seattle/Tacoma Intl

4 Mar

SEA6:00 a.m.Seattle/Tacoma Intl

9h 46m

1 stop

LGA6:46 p.m.New York LaGuardia

C$ 387

Find similar

Delta

3 Mar

LGA5:09 p.m.New York LaGuardia

7h 46m

1 stop

SEA9:55 p.m.Seattle/Tacoma Intl

4 Mar

SEA6:04 a.m.Seattle/Tacoma Intl

9h 40m

1 stop

LGA6:44 p.m.New York LaGuardia

C$ 388

Find similar

Delta

4 Dec

LGA4:56 p.m.New York LaGuardia

8h 29m

1 stop

SEA10:25 p.m.Seattle/Tacoma Intl

10 Dec

SEA11:40 a.m.Seattle/Tacoma Intl

8h 01m

1 stop

LGA10:41 p.m.New York LaGuardia

C$ 415

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 15/11

6:00 a.m.-12:47 p.m.

1 stop9h 47m

Seattle/Tacoma Intl

Thu 20/11

10:53 a.m.-9:07 p.m.

1 stop7h 14m

C$ 325

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 15/11

6:00 a.m.-12:47 p.m.

1 stop9h 47m

Seattle/Tacoma Intl

Sun 16/11

11:30 p.m.-10:07 a.m.

1 stop7h 37m

C$ 367

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 21/11

6:15 a.m.-11:28 a.m.

1 stop8h 13m

Seattle/Tacoma Intl

Mon 24/11

7:00 a.m.-5:07 p.m.

1 stop7h 07m

C$ 374

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 15/11

8:15 a.m.-4:15 p.m.

2 stops11h 00m

Seattle/Tacoma Intl

Sat 22/11

11:30 p.m.-12:10 p.m.

1 stop9h 40m

C$ 381

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 3/3

8:00 a.m.-2:54 p.m.

1 stop9h 54m

Seattle/Tacoma Intl

Wed 4/3

6:00 a.m.-6:46 p.m.

1 stop9h 46m

C$ 387

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 3/3

5:09 p.m.-9:55 p.m.

1 stop7h 46m

Seattle/Tacoma Intl

Wed 4/3

6:04 a.m.-6:44 p.m.

1 stop9h 40m

C$ 388

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 4/12

4:56 p.m.-10:25 p.m.

1 stop8h 29m

Seattle/Tacoma Intl

Wed 10/12

11:40 a.m.-10:41 p.m.

1 stop8h 01m

C$ 415

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 21/1

2:00 p.m.-11:05 p.m.

2 stops12h 05m

Seattle/Tacoma Intl

Thu 22/1

9:55 a.m.-11:05 p.m.

2 stops10h 10m

C$ 430

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Fri 30/1

11:25 a.m.-5:50 p.m.

1 stop9h 25m

Seattle/Tacoma Intl

Sat 31/1

9:25 a.m.-10:45 p.m.

2 stops10h 20m

C$ 451

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Thu 13/11

11:40 a.m.-8:35 p.m.

2 stops11h 55m

Seattle/Tacoma Intl

Wed 19/11

6:35 a.m.-5:45 p.m.

1 stop8h 10m

C$ 486

Flights are sorted by cheapest round-trip 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?

If you aren’t able to travel to Seattle during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 479.

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

Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 434. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 885. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from New York LaGuardia Airport to Seattle during this time can be as low as C$ 589. Flights in the morning are often more expensive with an average ticket price of C$ 761.

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 C$ 600 when searching weeks out. 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 C$ 389 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 39% 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 round-trip 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

Direct flights	None

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 7h 40m.
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 are refreshed on a daily basis.
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 you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek 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 flights between New York LaGuardia Airport and Seattle, the leading plane model is Airbus A330-200, making up 25.00% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 25.00%, Boeing 737 MAX 8 with 12.50%, and Boeing 737 with 12.50%.

Leavenworth

Lynnwood

Marysville

Tacoma

SeaTac

Kirkland

Olympia

Ocean Shores

Redmond

Shoreline

Ellensburg

Gig Harbor

Renton

Mukilteo

Cle Elum

Centralia

Federal Way

Puyallup

Shelton

Lakewood

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to Seattle for you.

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

Yes. momondo allows you to filter the results for New York to Seattle flights to just show those with flexible booking policies.

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 C$ 181

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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 round-trip flights

Cheap one-way flights

Cheap last-minute flights

United Airlines flights from New York LaGuardia Airport to Seattle

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

Delta flights from New York LaGuardia Airport to Seattle

Our best Delta 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

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?

If you aren’t able to travel to Seattle during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 479.

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?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from New York LaGuardia Airport to Seattle during this time can be as low as C$ 589. Flights in the morning are often more expensive with an average ticket price of C$ 761.

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 39% 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, Southwest, and Frontier 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 7 per week as of November 2025. The most frequent departure day is Mon, with 14% 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

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, organize 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