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Cheap flights from New York John F Kennedy Intl Airport to Seattle from £142

JFK — SEA
27 Nov — 4 Dec1
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 February or January, booked 77 days in advance, depart on a Monday or Tuesday and return on a Monday

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

Sat 5/1213:00 -
Nonstop6h 39m
Sat 5/1218:40 -
1 stop10h 01m
Deal found 26/10£264
Tue 10/1116:35 -
1 stop9h 25m
Sat 14/1108:45 -
1 stop7h 34m
Deal found 28/10£268
Wed 18/1109:30 -
1 stop10h 26m
Wed 2/1222:50 -
Nonstop5h 10m
Deal found 28/10£275
Wed 2/1216:30 -
Nonstop6h 40m
Wed 2/1222:50 -
Nonstop5h 10m
Deal found 26/10£279
Wed 2/1216:30 -
Nonstop6h 40m
Tue 8/1214:43 -
Nonstop5h 16m
Deal found 23/10£280
Sat 5/1207:10 -
Nonstop6h 30m
Sat 12/1222:55 -
Nonstop5h 08m
Deal found 25/10£283
Thu 12/1109:30 -
1 stop10h 51m
Tue 17/1113:50 -
1 stop14h 49m
Deal found 28/10£287
Fri 4/1211:30 -
1 stop11h 34m
Fri 4/1222:50 -
Nonstop5h 10m
Deal found 26/10£290
Tue 8/1207:00 -
Nonstop6h 37m
Tue 5/107:45 -
1 stop8h 38m
Deal found 27/10£290
Thu 3/1213:00 -
Nonstop6h 39m
Tue 8/1207:05 -
Nonstop5h 25m
Deal found 23/10£293
Thu 12/1117:28 -
1 stop18h 59m
Wed 2/1214:43 -
Nonstop5h 16m
Deal found 27/10£294

Find flight deals from John F Kennedy Intl to Seattle

Round-trip from

£264

One-way from

£142

Popular in

December

Cheapest in

February

Average price

£382
Alaska Airlines
  • Alaska Airlines
  • 5/12-5/12
  • 1 total stop
  • 16h 40m total
  • New York to Seattle
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 5/1-31/12
  • Nonstop
  • 6h 26m total
  • New York to Seattle
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Seattle that are best for you.

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Route

Depart

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Price

Cheapest return flight

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Sat 23/1

07:00-10:26

Nonstop6h 26m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£142

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Mon 14/12

18:31-22:06

Nonstop6h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£157

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Thu 10/12

11:30-20:04

1 stop11h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£164

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Thu 24/12

17:30-20:49

Nonstop6h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£179

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Fri 20/11

19:30-23:00

Nonstop6h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£183

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Sat 26/12

16:45-20:05

Nonstop6h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£187

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Fri 1/1

09:00-16:36

1 stop10h 36m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£206

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Mon 14/12

06:40-14:43

1 stop11h 03m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£206

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Mon 23/11

13:35-20:50

1 stop10h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£206

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Fri 27/11

07:10-10:31

Nonstop6h 21m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£224

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 23 resultsSorted by cheapest first
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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 return price

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?

The price you pay for your flight from New York John F Kennedy Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £258). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of £450). 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?

It’s optimal to fly from New York John F Kennedy Intl Airport to Seattle in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from New York John F Kennedy Intl Airport to Seattle?

Airfare is below average for this route at the moment.

New York John F Kennedy Intl Airport to Seattle flights typically cost between £288 and £468 in December.
The cheapest return price found within the last 5 days was £264 on Alaska Airlines (5 Dec–5 Dec).

Related info for your journey

  • 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 21 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 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    Departing from New York John F Kennedy Intl Airport to Seattle will take you 6h 30m. The distance from New York John F Kennedy Intl Airport to Seattle is about 2413 mi. Generally, flights for this route are direct.

  • 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 (93%), LATAM Airlines (85%) or Aeromexico (84%) as they are the most reliable in getting you off to your destination on time.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £258). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of £450). 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

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