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Cheap flights from New York John F Kennedy Intl Airport to Seattle from £138

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — SEA
1 Sep — 8 Sep1
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 February, booked 77 days in advance, depart on a Tuesday or Monday 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
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 2 August 2026.

Tue 8/917:45
JFK
-
SEA
Nonstop6h 23m
JetBlue
Tue 15/921:40
SEA
-
JFK
Nonstop5h 24m
JetBlue
Deal found 29/7£251
Tue 15/907:25
JFK
-
SEA
Nonstop6h 09m
Alaska Airlines
Tue 15/914:18
SEA
-
JFK
1 stop29h 41m
Alaska Airlines
Deal found 30/7£257
Sat 12/917:29
JFK
-
SEA
Nonstop6h 15m
JetBlue
Sat 12/923:42
SEA
-
JFK
1 stop8h 47m
JetBlue
Deal found 29/7£259
Wed 16/909:55
JFK
-
SEA
1 stop9h 04m
Alaska Airlines
Tue 22/907:08
SEA
-
JFK
1 stop9h 19m
Alaska Airlines
Deal found 31/7£260
Tue 1/917:45
JFK
-
SEA
Nonstop6h 23m
JetBlue
Tue 1/923:45
SEA
-
JFK
1 stop11h 28m
JetBlue
Deal found 28/7£262
Tue 8/913:20
JFK
-
SEA
1 stop12h 33m
JetBlue
Wed 23/921:40
SEA
-
JFK
Nonstop5h 24m
JetBlue
Deal found 29/7£263
Sat 17/1018:00
JFK
-
SEA
Nonstop6h 15m
JetBlue
Mon 19/1022:15
SEA
-
JFK
Nonstop5h 22m
JetBlue
Deal found 29/7£264
Sat 12/916:46
JFK
-
SEA
1 stop8h 53m
Alaska Airlines
Sat 19/913:30
SEA
-
JFK
1 stop13h 31m
Alaska Airlines
Deal found 30/7£265
Thu 10/917:29
JFK
-
SEA
Nonstop6h 15m
JetBlue
Wed 23/921:40
SEA
-
JFK
Nonstop5h 24m
JetBlue
Deal found 29/7£265
Tue 29/917:29
JFK
-
SEA
Nonstop6h 15m
JetBlue
Mon 5/1023:42
SEA
-
JFK
1 stop9h 52m
JetBlue
Deal found 31/7£266
Fri 18/920:27
JFK
-
SEA
Nonstop6h 15m
Alaska Airlines
Sat 19/907:08
SEA
-
JFK
1 stop19h 53m
Alaska Airlines
Deal found 29/7£272

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 2 August 2026.

Round-trip from

£250

One-way from

£138

Popular in

December

Cheapest in

October

Average price

£403

Good one-way deal

£340 or less
JetBlue
  • JetBlue
  • 3/10-17/10
  • Nonstop
  • 11h 37m total
  • New York to Seattle
Search Deals
JetBlue
  • JetBlue
  • 21/8
  • 1 total stop
  • 8h 54m total
  • New York to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from New York John F Kennedy Intl to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 2 August 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 12/9

16:46-22:39

1 stop8h 53m

Seattle/Tacoma Intl

Sat 19/9

13:30-06:01

1 stop13h 31m

£265
Fastest return journey

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 12/9

17:29-20:44

Nonstop6h 15m

Seattle/Tacoma Intl

Sat 19/9

21:40-06:04

Nonstop5h 24m

£265

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sun 6/9

17:29-20:52

Nonstop6h 23m

Seattle/Tacoma Intl

Sat 12/9

23:42-11:29

1 stop8h 47m

£277

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 19/9

17:29-20:44

Nonstop6h 15m

Seattle/Tacoma Intl

Sat 26/9

21:40-06:04

Nonstop5h 24m

£280

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 9/9

07:25-10:34

Nonstop6h 09m

Seattle/Tacoma Intl

Sat 12/9

15:51-06:01

1 stop11h 10m

£287

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sun 13/9

15:30-22:37

1 stop10h 07m

Seattle/Tacoma Intl

Sun 20/9

21:40-06:04

Nonstop5h 24m

£288

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Thu 8/10

20:25-23:50

Nonstop6h 25m

Seattle/Tacoma Intl

Mon 12/10

12:13-05:59

1 stop14h 46m

£301

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 3/11

11:30-18:38

1 stop10h 08m

Seattle/Tacoma Intl

Sun 8/11

19:55-07:25

1 stop8h 30m

£302

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sun 6/9

17:29-22:39

1 stop8h 10m

Seattle/Tacoma Intl

Sun 13/9

15:51-06:01

1 stop11h 10m

£308

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Sat 12/12

19:30-23:00

Nonstop6h 30m

Seattle/Tacoma Intl

Wed 16/12

22:50-07:00

Nonstop5h 10m

£324

Flights are sorted by cheapest return flights first.

Deals found on 29/7

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

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
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?

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, October is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £219). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of £451). 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 2 August 2026.

It’s optimal to fly from New York John F Kennedy Intl Airport to Seattle in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at midday.

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 £303 and £495 in September.
The cheapest return price found within the last 5 days was £251 on JetBlue (8 Sept–23 Sept).

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 18 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 15m. The distance from New York John F Kennedy Intl Airport to Seattle is about 2413 mi. 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 Alaska Airlines (83%), Qatar Airways (79%) or Condor (75%) 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 £150. On average you can expect to pay £410. The most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl), can usually be booked for £323.

  • 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, October is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £219). Flying from New York John F Kennedy Intl Airport to Seattle in December is currently the most expensive (average of £451). 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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Alternative routes for John F Kennedy Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from John F Kennedy Intl to Seattle?

Deals for John F Kennedy Intl to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from John F Kennedy Intl to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from John F Kennedy Intl.

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

Yes, we can. To see specific flights from John F Kennedy Intl to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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