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Cheap flights from New York John F Kennedy Intl Airport to Seattle from £110

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — SEA
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from New York John F Kennedy Intl to Seattle/Tacoma Intl are usually found in September or January, booked 62 days in advance, depart on a Monday or Friday and return on a Tuesday

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 13 June 2025.

Round-trip from

£188

One-way from

£110

Popular in

December

Cheapest in

September

Average price

£347

Good round-trip deal

£469 or less
Alaska Airlines
  • Alaska Airlines
  • 21/10-28/10
  • 2 total stops
  • 20h 31m total
  • New York to Seattle
Hawaiian Airlines
  • Hawaiian Airlines
  • 13/8
  • Nonstop
  • 6h 25m total
  • New York to Seattle
Highest demand for flights based on searches. 2% potential increase in price (£5 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from New York John F Kennedy Intl to Seattle/Tacoma Intl.

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 13 June 2025.

Tue 21/1017:29JFK - SEA
1 stop8h 32mAlaska Airlines
Wed 29/1008:00SEA - JFK
1 stop11h 00mAlaska Airlines
Deal found 10/6£188
Thu 23/1011:00JFK - SEA
Nonstop6h 27mDelta
Mon 27/1015:30SEA - JFK
Nonstop5h 27mDelta
Deal found 10/6£189
Fri 29/817:00JFK - SEA
Nonstop6h 33mJetBlue
Thu 11/923:40SEA - JFK
Nonstop5h 20mJetBlue
Deal found 11/6£193
Fri 21/1111:32JFK - SEA
1 stop8h 43mSun Country Air
Sun 23/1118:30SEA - JFK
1 stop13h 03mSun Country Air
Deal found 13/6£250
Tue 15/716:45JFK - SEA
Nonstop6h 25mHawaiian Airlines
Sat 19/722:41SEA - JFK
Nonstop5h 21mHawaiian Airlines
Deal found 11/6£276
Mon 30/606:59JFK - SEA
1 stop10h 12mFrontier
Fri 4/715:11SEA - JFK
1 stop11h 19mFrontier
Deal found 12/6£296
Mon 7/707:20JFK - SEA
1 stop9h 40mAmerican Airlines
Thu 10/723:32SEA - JFK
2 stops11h 07mAmerican Airlines
Deal found 11/6£328

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 13 June 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 21/10

17:29-23:01

1 stop8h 32m

Seattle/Tacoma Intl

Tue 28/10

08:00-22:59

1 stop11h 59m

£188

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 29/8

17:00-20:33

Nonstop6h 33m

Seattle/Tacoma Intl

Thu 11/9

23:40-08:00

Nonstop5h 20m

£193

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 22/10

11:00-14:27

Nonstop6h 27m

Seattle/Tacoma Intl

Sun 26/10

15:30-23:57

Nonstop5h 27m

£196

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 21/11

11:32-17:15

1 stop8h 43m

Seattle/Tacoma Intl

Sun 23/11

18:30-10:33

1 stop13h 03m

£250

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Tue 15/7

16:45-20:10

Nonstop6h 25m

Seattle/Tacoma Intl

Sat 19/7

22:41-07:02

Nonstop5h 21m

£276

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Mon 30/6

06:59-14:11

1 stop10h 12m

Seattle/Tacoma Intl

Fri 4/7

15:11-05:30

1 stop11h 19m

£296

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Mon 7/7

07:20-14:00

1 stop9h 40m

Seattle/Tacoma Intl

Thu 10/7

23:32-13:39

2 stops11h 07m

£328

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Wed 13/8

18:53-22:15

Nonstop6h 22m

£110

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Fri 12/9

16:00-19:29

Nonstop6h 29m

£117

New YorkSeattle

JFK - SEA

JFKSEA

New York John F Kennedy Intl

Mon 21/7

16:30-19:58

Nonstop6h 28m

£118

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 16 results
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?

Use this chart to determine the optimal time to book a return flight from John F Kennedy Intl to Seattle. Price data was last updated on 9 June 2025.

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 62 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, January is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £622). Flying from New York John F Kennedy Intl Airport to Seattle in July is currently the most expensive (average of £946). 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 13 June 2025.

It’s optimal to fly from New York John F Kennedy Intl Airport to Seattle in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from New York John F Kennedy Intl Airport to Seattle

Explore weekly flight availability from John F Kennedy Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from JFK to SEA are scheduled on a Thursday (50 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from New York to Seattle by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very Good

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 34 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.

  • What are the cheapest airlines flying from New York John F Kennedy Intl Airport to Seattle round-trip?

    Our cheapest airline available from New York John F Kennedy Intl Airport to Seattle is Alaska Airlines. Our recent data shows that you can find tickets from as low as £188 on this airline. Additional options worth looking into are Delta and JetBlue, starting at £189 and £193 round-trip. You may be able to fly from New York John F Kennedy Intl Airport to Seattle for 38% less than the average price by searching for these airlines.

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

    £110 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from £113 and £117, respectively.

  • 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 KLM (100%), Royal Air Maroc (100%) or Korean Air (92%) 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 £219. On average you can expect to pay £469. The most popular route, (New York John F Kennedy Intl - Seattle/Tacoma Intl), can usually be booked for £252.

  • 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, January is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seattle (average of £622). Flying from New York John F Kennedy Intl Airport to Seattle in July is currently the most expensive (average of £946). 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 New York John F Kennedy Intl Airport?

Book flights to New York John F Kennedy Intl Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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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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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.

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