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Cheap flights from New York John F Kennedy Intl Airport, NY to Seattle from C$ 137

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from New York John F Kennedy Intl to Seattle/Tacoma Intl are usually found in September or January, booked 69 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from John F Kennedy Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from John F Kennedy Intl (JFK) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 273

One-way from

C$ 137

Popular in

December

Cheapest in

September

Average price

C$ 439

Good round-trip deal

C$ 753 or less

Good one-way deal

C$ 566 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 16/10-20/10
  • Nonstop
  • 11h 34m total
  • New York to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 13/11
  • Nonstop
  • 6h 25m total
  • New York to Seattle
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Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from New York John F Kennedy Intl to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from New York John F Kennedy Intl to Seattle/Tacoma Intl.
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Find flight deals from John F Kennedy Intl to Seattle

Cheapest flights from John F Kennedy Intl to Seattle
Explore the most affordable flight options available from John F Kennedy Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 16/107:20 a.m.JFK - SEA
Nonstop6h 09mHawaiian Airlines
Mon 20/1010:55 p.m.SEA - JFK
Nonstop5h 25mHawaiian Airlines
Deal found 11/9C$ 273
Wed 8/106:50 p.m.JFK - SEA
Nonstop6h 31mJetBlue
Tue 21/1011:40 p.m.SEA - JFK
Nonstop5h 20mJetBlue
Deal found 11/9C$ 287
Tue 30/94:40 p.m.JFK - SEA
Nonstop6h 14mAlaska Airlines
Tue 30/910:41 p.m.SEA - JFK
Nonstop5h 25mAlaska Airlines
Deal found 10/9C$ 292
Fri 14/1111:30 a.m.JFK - SEA
Nonstop6h 20mAlaska Airlines
Mon 17/118:01 a.m.SEA - JFK
Nonstop5h 28mAlaska Airlines
Deal found 11/9C$ 301
Mon 17/117:00 a.m.JFK - SEA
Nonstop6h 25mAlaska Airlines
Wed 3/122:43 p.m.SEA - JFK
Nonstop5h 16mAlaska Airlines
Deal found 11/9C$ 308
Tue 30/96:54 p.m.JFK - SEA
Nonstop6h 26mJetBlue
Fri 3/1011:40 p.m.SEA - JFK
Nonstop5h 20mJetBlue
Deal found 11/9C$ 315
Sun 19/106:50 p.m.JFK - SEA
Nonstop6h 31mJetBlue
Fri 24/1011:56 p.m.SEA - JFK
Nonstop5h 19mJetBlue
Deal found 11/9C$ 319
Sat 15/117:00 a.m.JFK - SEA
Nonstop6h 25mAlaska Airlines
Thu 4/122:43 p.m.SEA - JFK
Nonstop5h 16mAlaska Airlines
Deal found 11/9C$ 321
Fri 3/107:29 a.m.JFK - SEA
Nonstop6h 05mAlaska Airlines
Tue 7/107:52 a.m.SEA - JFK
1 stop19h 37mAlaska Airlines
Deal found 11/9C$ 328
Thu 2/1010:55 p.m.JFK - SEA
1 stop14h 39mJetBlue
Wed 8/1011:40 p.m.SEA - JFK
Nonstop5h 20mJetBlue
Deal found 11/9C$ 333
Sat 11/107:00 p.m.JFK - SEA
Nonstop6h 36mJetBlue
Sat 18/101:10 p.m.SEA - JFK
1 stop14h 30mJetBlue
Deal found 11/9C$ 334
Fri 26/97:00 p.m.JFK - SEA
Nonstop6h 24mJetBlue
Sun 28/911:40 p.m.SEA - JFK
Nonstop5h 20mJetBlue
Deal found 10/9C$ 335

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Seattle that are best for you.

Fly from

John F Kennedy Intl

Fly to

Seattle

Route

Depart

Return

Price

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 30/9

6:54 p.m.-10:20 p.m.

Nonstop6h 26m

Seattle/Tacoma Intl

Sat 4/10

11:59 p.m.-8:18 a.m.

Nonstop5h 19m

C$ 273

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 1/11

6:49 p.m.-10:11 p.m.

Nonstop6h 22m

Seattle/Tacoma Intl

Tue 4/11

2:40 p.m.-10:59 p.m.

Nonstop5h 19m

C$ 287

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 14/10

6:55 p.m.-10:12 p.m.

Nonstop6h 17m

Seattle/Tacoma Intl

Wed 22/10

2:35 p.m.-10:59 p.m.

Nonstop5h 24m

C$ 287

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 11/11

7:00 a.m.-10:26 a.m.

Nonstop6h 26m

Seattle/Tacoma Intl

Tue 18/11

11:27 a.m.-7:49 p.m.

Nonstop5h 22m

C$ 301

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 14/11

7:00 a.m.-10:26 a.m.

Nonstop6h 26m

Seattle/Tacoma Intl

Tue 18/11

3:46 p.m.-11:58 p.m.

Nonstop5h 12m

C$ 301

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 14/11

6:58 p.m.-10:25 p.m.

Nonstop6h 27m

Seattle/Tacoma Intl

Sun 16/11

9:59 p.m.-6:18 a.m.

Nonstop5h 19m

C$ 301

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sun 19/10

6:50 p.m.-10:21 p.m.

Nonstop6h 31m

Seattle/Tacoma Intl

Fri 24/10

11:56 p.m.-8:15 a.m.

Nonstop5h 19m

C$ 319

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 8/10

6:55 p.m.-10:12 p.m.

Nonstop6h 17m

Seattle/Tacoma Intl

Wed 15/10

2:35 p.m.-10:59 p.m.

Nonstop5h 24m

C$ 328

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 25/10

6:55 p.m.-10:12 p.m.

Nonstop6h 17m

Seattle/Tacoma Intl

Tue 28/10

7:46 a.m.-10:29 p.m.

1 stop11h 43m

C$ 328

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 2/10

6:36 p.m.-9:51 p.m.

Nonstop6h 15m

Seattle/Tacoma Intl

Tue 7/10

7:52 a.m.-6:29 a.m.

1 stop19h 37m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 24 results
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Best time to book a flight from John F Kennedy Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from John F Kennedy Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New York John F Kennedy Intl Airport to Seattle

How far ahead should I book a flight from New York John F Kennedy Intl Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from John F Kennedy Intl to Seattle. Price data was last updated on 29 August 2025.

The best time to book flights from New York John F Kennedy Intl Airport to Seattle is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of C$ 262). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of C$ 353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from JFK to SEA?

Find hourly flight availability from John F Kennedy Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from New York John F Kennedy Intl Airport to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from New York John F Kennedy Intl Airport to Seattle?

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from New York John F Kennedy Intl?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from New York John F Kennedy Intl to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from New York John F Kennedy Intl; the airport handles an average of 36 inbound flights from New York John F Kennedy Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Seattle airport from New York John F Kennedy Intl. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

  • How long is the flight from New York John F Kennedy Intl Airport to Seattle?

    Airlines like JetBlue, Alaska Airlines, and Hawaiian Airlines fly from New York John F Kennedy Intl Airport to Seattle in about 6h 17m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 3883 km. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from New York John F Kennedy Intl Airport to Seattle one-way?

    One-way options have recently been found by users for as low as C$ 137 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from C$ 137 and Delta from C$ 151 one-way.

  • What are the most reliable airlines from New York John F Kennedy Intl Airport to Seattle?

    No one likes to see their flight delayed. When booking a flight from New York John F Kennedy Intl Airport to Seattle consider choosing Korean Air (89%), LATAM Airlines (84%) or Delta (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from New York John F Kennedy Intl Airport to Seattle?

    The cheapest flight price from New York John F Kennedy Intl Airport to Seattle is C$ 126. On average you can expect to pay C$ 743. The most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl), can usually be booked for C$ 288.

  • Can I find deals for flights from John F Kennedy Intl to Seattle that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to Seattle.

  • Can I find deals for business class flights from John F Kennedy Intl to Seattle?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New York John F Kennedy Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of C$ 262). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of C$ 353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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Alternative routes for John F Kennedy Intl to Seattle

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Can Cheapflights find flights from John F Kennedy Intl to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from John F Kennedy Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from John F Kennedy Intl to Seattle become cheaper?

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