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Cheap flights from Islip, New York to Seattle from $427

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Seattle departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Islip, New York to Seattle.
Southwest Logo
6:00 am - 2:55 pmISP-SEA
11h 55m2 stops
Southwest Logo
6:50 am - 11:05 pmSEA-ISP
13h 15m2 stops
$427Southwest
Find Deal
Mon, Jul 14 - Sat, Jul 19
Southwest Logo
10:00 am - 5:10 pmISP-SEA
10h 10m1 stop
Southwest Logo
6:50 am - 11:05 pmSEA-ISP
13h 15m2 stops
$470Southwest
Find Deal
Mon, Jul 14 - Sat, Jul 19
Southwest Logo
10:00 am - 5:10 pmISP-SEA
10h 10m1 stop
Southwest Logo
9:10 pm - 11:45 amSEA-ISP
11h 35m1 stop
$572Southwest
Find Deal
Mon, Jul 14 - Sat, Jul 19
 Logo
2:35 pm - 11:35 amISP-SEA
24h 00m3 stops
 Logo
12:30 pm - 7:45 pmSEA-ISP
28h 15m3 stops
$1,112
Find Deal
Wed, Apr 16 - Sun, Apr 20
 Logo
2:35 pm - 7:51 pmISP-SEA
32h 16m3 stops
 Logo
6:31 pm - 5:59 pmSEA-ISP
20h 28m2 stops
$1,306
Find Deal
Wed, Apr 16 - Sun, Apr 20
 Logo
6:20 pm - 5:25 pmISP-SEA
26h 05m2 stops
 Logo
6:31 pm - 5:59 pmSEA-ISP
20h 28m2 stops
$1,524
Find Deal
Wed, Apr 16 - Sun, Apr 20

Southwest flights from Islip, New York to Seattle

Our best Southwest deals on Islip, New York to Seattle flight tickets
Southwest
Jul 14
ISP6:00 amIslip Long Island
11h 55m
2 stops
SEA2:55 pmSeattle/Tacoma Intl
Jul 19
SEA6:50 amSeattle/Tacoma Intl
13h 15m
2 stops
ISP11:05 pmIslip Long Island
Southwest
Jul 14
ISP10:00 amIslip Long Island
10h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Jul 19
SEA6:50 amSeattle/Tacoma Intl
13h 15m
2 stops
ISP11:05 pmIslip Long Island
Southwest
Jul 14
ISP10:00 amIslip Long Island
10h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
Jul 19
SEA9:10 pmSeattle/Tacoma Intl
11h 35m
1 stop
ISP11:45 amIslip Long Island

See travel insights to Seattle from

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

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 day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Islip, New York is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $477. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $564.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Islip, New York in the evening is the least expensive time of day to depart. momondo users have found prices as low as $426 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $737. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Seattle

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

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

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

Best Price Found

$427

Fastest flight time

10h 10m

Direct flights

None

Airports in Seattle

1 airport
The best flight deal from Islip, New York to Seattle found on momondo in the last 72 hours is $427
The fastest flight from Islip, New York to Seattle takes 10h 10m
There are no direct flights from Islip, New York to Seattle. Popular non-direct route for this connection is Islip Long Island Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    Seattle/Tacoma Intl is 2436.8 mi away from Islip Long Island. By plane, this route typically takes 10h 10m.

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

    Prices for flights from Islip Long Island Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Lynnwood
Fife
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

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

Finding the right flight to Seattle from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Seattle from Islip with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Islip.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Islip and alert you when they change.


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