Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from New York LaGuardia Airport to Seattle from C$ 202

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 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from New York LaGuardia Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
3:55 p.m. - 12:10 a.m.
LGA
-
SEA
11h 15m
1 stop
Southwest Logo
5:15 a.m. - 4:55 p.m.
SEA
-
LGA
8h 40m
1 stop
C$ 404Southwest
Wed, 3 Jun - Wed, 10 Jun
Southwest Logo
3:55 p.m. - 12:10 a.m.
LGA
-
SEA
11h 15m
1 stop
Southwest Logo
6:15 a.m. - 8:30 p.m.
SEA
-
LGA
11h 15m
1 stop
C$ 410Southwest
Wed, 3 Jun - Sat, 6 Jun
American Airlines Logo
12:21 p.m. - 7:24 p.m.
LGA
-
SEA
10h 03m
1 stop
American Airlines Logo
1:24 p.m. - 11:38 p.m.
SEA
-
LGA
7h 14m
1 stop
C$ 429American Airlines
Mon, 14 Sep - Wed, 30 Sep
Delta Logo
6:00 a.m. - 11:05 a.m.
LGA
-
SEA
8h 05m
1 stop
Delta Logo
11:25 a.m. - 11:41 p.m.
SEA
-
LGA
9h 16m
1 stop
C$ 431Delta
Tue, 2 Jun - Wed, 10 Jun
Southwest Logo
11:25 a.m. - 8:25 p.m.
LGA
-
SEA
12h 00m
1 stop
Southwest Logo
11:00 p.m. - 9:40 a.m.
SEA
-
LGA
7h 40m
1 stop
C$ 438Southwest
Wed, 5 Aug - Tue, 18 Aug
United Airlines Logo
2:32 p.m. - 8:03 p.m.
LGA
-
SEA
8h 31m
1 stop
United Airlines Logo
11:10 p.m. - 9:31 a.m.
SEA
-
LGA
7h 21m
1 stop
C$ 443United Airlines
Tue, 1 Sep - Tue, 8 Sep
Southwest Logo
7:25 a.m. - 1:55 p.m.
LGA
-
SEA
9h 30m
1 stop
Southwest Logo
11:00 p.m. - 9:40 a.m.
SEA
-
LGA
7h 40m
1 stop
C$ 444Southwest
Mon, 10 Aug - Tue, 18 Aug
Southwest Logo
3:10 p.m. - 11:15 p.m.
LGA
-
SEA
11h 05m
2 stops
Southwest Logo
7:30 p.m. - 11:50 a.m.
SEA
-
LGA
13h 20m
1 stop
C$ 446Southwest
Sat, 4 Jul - Tue, 7 Jul
Southwest Logo
3:05 p.m. - 11:30 p.m.
LGA
-
SEA
11h 25m
2 stops
Southwest Logo
11:00 p.m. - 9:30 a.m.
SEA
-
LGA
7h 30m
1 stop
C$ 451Southwest
Wed, 29 Jul - Fri, 7 Aug
Delta Logo
6:00 a.m. - 11:05 a.m.
LGA
-
SEA
8h 05m
1 stop
Delta Logo
6:00 a.m. - 4:49 p.m.
SEA
-
LGA
7h 49m
1 stop
C$ 457Delta
Tue, 2 Jun - Mon, 8 Jun

Southwest flights from New York LaGuardia Airport to Seattle

Our best Southwest deals on New York LaGuardia Airport to Seattle flight tickets
Southwest
3 Jun
LGA3:55 p.m.New York LaGuardia
11h 15m
1 stop
SEA12:10 a.m.Seattle/Tacoma Intl
9 Jun
SEA8:50 a.m.Seattle/Tacoma Intl
10h 05m
1 stop
LGA9:55 p.m.New York LaGuardia
C$ 404
Southwest
3 Jun
LGA3:55 p.m.New York LaGuardia
11h 15m
1 stop
SEA12:10 a.m.Seattle/Tacoma Intl
6 Jun
SEA6:15 a.m.Seattle/Tacoma Intl
11h 15m
1 stop
LGA8:30 p.m.New York LaGuardia
C$ 410
Southwest
5 Aug
LGA11:25 a.m.New York LaGuardia
12h 00m
1 stop
SEA8:25 p.m.Seattle/Tacoma Intl
18 Aug
SEA11:00 p.m.Seattle/Tacoma Intl
7h 40m
1 stop
LGA9:40 a.m.New York LaGuardia
C$ 438

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 May
LGA5:15 p.m.New York LaGuardia
8h 32m
1 stop
SEA10:47 p.m.Seattle/Tacoma Intl
19 May
SEA7:00 a.m.Seattle/Tacoma Intl
7h 13m
1 stop
LGA5:13 p.m.New York LaGuardia
C$ 431
United Airlines
1 Sep
LGA2:32 p.m.New York LaGuardia
8h 31m
1 stop
SEA8:03 p.m.Seattle/Tacoma Intl
8 Sep
SEA11:10 p.m.Seattle/Tacoma Intl
7h 21m
1 stop
LGA9:31 a.m.New York LaGuardia
C$ 443
United Airlines
13 Jul
LGA6:25 p.m.New York LaGuardia
8h 49m
1 stop
SEA12:14 a.m.Seattle/Tacoma Intl
15 Jul
SEA11:52 p.m.Seattle/Tacoma Intl
7h 25m
1 stop
LGA10:17 a.m.New York LaGuardia
C$ 466

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 4 May 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

Cheapest round-trip

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 3/6

3:55 p.m.-12:10 a.m.

1 stop11h 15m

Seattle/Tacoma Intl

Wed 10/6

5:15 a.m.-4:55 p.m.

1 stop8h 40m

C$ 404

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 3/6

3:55 p.m.-12:10 a.m.

1 stop11h 15m

Seattle/Tacoma Intl

Sat 6/6

6:15 a.m.-8:30 p.m.

1 stop11h 15m

C$ 410

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 14/9

12:21 p.m.-7:24 p.m.

1 stop10h 03m

Seattle/Tacoma Intl

Wed 30/9

1:24 p.m.-11:38 p.m.

1 stop7h 14m

C$ 429

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 2/6

6:00 a.m.-11:05 a.m.

1 stop8h 05m

Seattle/Tacoma Intl

Wed 10/6

11:25 a.m.-11:41 p.m.

1 stop9h 16m

C$ 431

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 5/8

11:25 a.m.-8:25 p.m.

1 stop12h 00m

Seattle/Tacoma Intl

Tue 18/8

11:00 p.m.-9:40 a.m.

1 stop7h 40m

C$ 438
Quickest round-trip

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 1/9

2:32 p.m.-8:03 p.m.

1 stop8h 31m

Seattle/Tacoma Intl

Tue 8/9

11:10 p.m.-9:31 a.m.

1 stop7h 21m

C$ 443

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Mon 10/8

7:25 a.m.-1:55 p.m.

1 stop9h 30m

Seattle/Tacoma Intl

Tue 18/8

11:00 p.m.-9:40 a.m.

1 stop7h 40m

C$ 444

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Sat 4/7

3:10 p.m.-11:15 p.m.

2 stops11h 05m

Seattle/Tacoma Intl

Tue 7/7

7:30 p.m.-11:50 a.m.

1 stop13h 20m

C$ 446

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Wed 29/7

3:05 p.m.-11:30 p.m.

2 stops11h 25m

Seattle/Tacoma Intl

Fri 7/8

11:00 p.m.-9:30 a.m.

1 stop7h 30m

C$ 451

New YorkSeattle

LGA - SEA

LGASEA

New York LaGuardia

Tue 2/6

6:00 a.m.-11:05 a.m.

1 stop8h 05m

Seattle/Tacoma Intl

Mon 8/6

6:00 a.m.-4:49 p.m.

1 stop7h 49m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

If you aren’t able to travel to Seattle during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 382.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 477. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 927. 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$ 566. Flights in the morning are often more expensive with an average ticket price of C$ 738.

How far in advance should I book a flight from New York LaGuardia Airport 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$ 488 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$ 421 on momondo.

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

As of May 2026, prices for New York LaGuardia Airport to Seattle flights are approximately 5% 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 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

Fastest flight time

8h 34m

Direct flights

Mon, Tue, Fri and Sat

Airports in Seattle

1 airport
The fastest flight from New York LaGuardia Airport to Seattle takes 8h 34m
Direct flights go from New York LaGuardia Airport to Seattle on Monday, Tuesday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Seattle. From New York LaGuardia Airport there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from New York LaGuardia Airport to Seattle

  • 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 8h 34m.

  • 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?

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
Leavenworth
SeaTac
Redmond
Marysville
Kirkland
Woodinville
Tacoma
Puyallup
Tukwila
Olympia
Ocean Shores
Ellensburg
Bainbridge Island
Gig Harbor
Renton
Kent
Edmonds
Centralia
Federal Way

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/6
Wed 10/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States