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Cheap flights from Seattle to New York from $647

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:10 am - 11:30 pmSEA  Seattle/Tacoma Intl-ISP Islip Long Island
11h 20m2 stops Denver Intl Baltimore/Washington
Southwest Logo
12:30 pm - 10:50 pmISP  Islip Long Island-SEA Seattle/Tacoma Intl
13h 20m2 stops Baltimore/Washington Denver Intl
$647Southwest
Mon, Nov 2 - Wed, Nov 4

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Southwest flights from Seattle to Islip, New York

Our best Southwest deals on Seattle to Islip, New York flight tickets
Southwest
Nov 2
SEA9:10 amSeattle/Tacoma Intl
11h 20m
2 stops
ISP11:30 pmIslip Long Island
Nov 4
ISP12:30 pmIslip Long Island
13h 20m
2 stops
SEA10:50 pmSeattle/Tacoma Intl
$647
Southwest
Oct 22
SEA8:05 amSeattle/Tacoma Intl
12h 35m
2 stops
ISP11:40 pmIslip Long Island
Oct 24
ISP6:15 amIslip Long Island
10h 40m
2 stops
SEA1:55 pmSeattle/Tacoma Intl
$1,227

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Islip, New York that are best for you.

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Cheapest round-trip
Quickest round-trip

SeattleIslip

SEA Seattle/Tacoma Intl - ISP Islip Long Island

SEAISP

Seattle/Tacoma Intl

Mon 11/2

9:10 am-11:30 pm

2 stops11h 20m

Islip Long Island

Wed 11/4

12:30 pm-10:50 pm

2 stops13h 20m

$647
Cheapest one-way
Quickest one-way

SeattleIslip

SEA Seattle/Tacoma Intl - ISP Islip Long Island

SEAISP

Seattle/Tacoma Intl

Sun 11/29

1:52 pm-3:45 pm

2 stops22h 53m

$932

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to New York from

How to get the cheapest flight ticket from Seattle to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Islip Long Island?

Frontier is the most popular carrier operating from Seattle/Tacoma Intl to Islip Long Island

What airlines fly to Islip, New York?

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Seattle according to our data. Alaska Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 8 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Islip, New York (SEA to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Islip, New York

Best Price Found

$932

Fastest flight time

11h 20m

Direct flights

None
The best one-way flight to Islip, New York from Seattle in the past 72 hours is $932. The best round-trip flight deal from Seattle to Islip, New York found on momondo in the last 72 hours is $647.
The fastest flight from Seattle to Islip, New York takes 11h 20m
There are no direct flights from Seattle to Islip, New York. There are no popular flight routes from Seattle to Islip, New York.
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Frequently asked questions about flying from Seattle to Islip, New York

  • How far is Seattle/Tacoma Intl to Islip Long Island by plane?

    Islip Long Island is 2436.8 mi away from Seattle/Tacoma Intl. Typically, this will take 11h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Islip Long Island Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Islip Long Island Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Islip Long Island Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Amagansett
Sag Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Islip. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Islip with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Islip flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Islip?

Once you have performed a search for Seattle to Islip flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Islip right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.

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