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Cheap flights from New York John F Kennedy Intl Airport, NY to Seattle from C$ 178

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — SEA
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from John F Kennedy Intl to Seattle

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 31/127:59 p.m.JFK - SEA
1 stop13h 36mDelta
Tue 6/19:59 p.m.SEA - JFK
Nonstop5h 14mDelta
Deal found 10/12C$ 572
Wed 31/127:59 p.m.JFK - SEA
1 stop13h 36mDelta
Mon 5/19:45 p.m.SEA - JFK
Nonstop5h 14mDelta
Deal found 10/12C$ 600
Mon 29/126:59 a.m.JFK - SEA
1 stop30h 12mFrontier
Sun 4/12:54 p.m.SEA - JFK
1 stop21h 26mFrontier
Deal found 11/12C$ 604
Wed 31/125:45 p.m.JFK - SEA
1 stop8h 40mDelta
Fri 9/11:45 p.m.SEA - JFK
Nonstop5h 16mDelta
Deal found 11/12C$ 616
Tue 16/127:00 a.m.JFK - SEA
Nonstop6h 26mDelta
Mon 5/11:45 p.m.SEA - JFK
Nonstop5h 16mDelta
Deal found 9/12C$ 665
Thu 18/126:59 p.m.JFK - SEA
Nonstop6h 18mAlaska Airlines
Wed 7/18:24 a.m.SEA - JFK
1 stop10h 57mAlaska Airlines
Deal found 11/12C$ 679
Tue 30/127:00 a.m.JFK - SEA
Nonstop6h 14mAlaska Airlines
Sun 4/19:58 p.m.SEA - JFK
1 stop14h 31mAlaska Airlines
Deal found 11/12C$ 706

Find 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 12 December 2025.

Round-trip from

C$ 354

One-way from

C$ 178

Popular in

December

Cheapest in

October

Average price

C$ 847

Good round-trip deal

C$ 541 or less

Good one-way deal

C$ 217 or less
Delta
  • Delta
  • 10/1-13/1
  • Nonstop
  • 11h 45m total
  • New York to Seattle
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Delta
  • Delta
  • 11/3
  • Nonstop
  • 6h 15m total
  • New York to Seattle
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Highest demand for flights based on searches. 8% potential increase in price (C$ 70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 35 potential savings vs. average RT price).
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Average for round-trip flights in December 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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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 12 December 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

Sat 14/2

5:00 p.m.-10:18 p.m.

1 stop8h 18m

Seattle/Tacoma Intl

Tue 17/2

2:44 p.m.-10:59 p.m.

Nonstop5h 15m

C$ 368

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 3/3

4:40 p.m.-8:00 p.m.

Nonstop6h 20m

Seattle/Tacoma Intl

Mon 9/3

7:20 a.m.-3:44 p.m.

Nonstop5h 24m

C$ 382

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 17/2

7:00 a.m.-10:28 a.m.

Nonstop6h 28m

Seattle/Tacoma Intl

Sun 22/2

10:51 p.m.-7:05 a.m.

Nonstop5h 14m

C$ 382

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 6/1

7:55 a.m.-11:19 a.m.

Nonstop6h 24m

Seattle/Tacoma Intl

Fri 30/1

9:45 p.m.-5:59 a.m.

Nonstop5h 14m

C$ 382

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 9/1

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

Nonstop6h 26m

Seattle/Tacoma Intl

Tue 3/2

11:06 a.m.-7:28 p.m.

Nonstop5h 22m

C$ 382

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 8/1

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

Nonstop6h 26m

Seattle/Tacoma Intl

Wed 14/1

2:40 p.m.-10:52 p.m.

Nonstop5h 12m

C$ 382

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 16/1

5:17 p.m.-10:33 p.m.

1 stop8h 16m

Seattle/Tacoma Intl

Tue 20/1

7:00 a.m.-3:23 p.m.

Nonstop5h 23m

C$ 396

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 17/2

7:00 a.m.-10:28 a.m.

Nonstop6h 28m

Seattle/Tacoma Intl

Fri 20/2

7:41 p.m.-7:30 a.m.

1 stop8h 49m

C$ 396

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 18/3

8:29 p.m.-11:54 p.m.

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 24/3

1:45 p.m.-10:06 p.m.

Nonstop5h 21m

C$ 396

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 12/3

1:00 p.m.-11:40 p.m.

1 stop13h 40m

Seattle/Tacoma Intl

Tue 17/3

2:44 p.m.-10:59 p.m.

Nonstop5h 15m

C$ 396

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 21 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 5 December 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, October is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of C$ 204). Flying from New York John F Kennedy Intl Airport to Seattle in April is currently the most expensive (average of C$ 382). 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 12 December 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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

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 32 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 Alaska Airlines and Delta fly from New York John F Kennedy Intl Airport to Seattle in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 1h 58m. Airlines will cover a distance of 3883 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 Royal Air Maroc (100%), Etihad Airways (88%) or JetBlue (88%) 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$ 205. On average you can expect to pay C$ 457. The most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl), can usually be booked for C$ 463.

  • 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, October is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of C$ 204). Flying from New York John F Kennedy Intl Airport to Seattle in April is currently the most expensive (average of C$ 382). 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?

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Leavenworth
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Lynnwood

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Alternative routes for John F Kennedy Intl to Seattle

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Why should you use Cheapflights to find cheap flight tickets from 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?

Yes! Start tracking prices for John F Kennedy Intl to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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