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Cheap flights from Washington, D.C. Reagan-National Airport to New York from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to New York departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:45 am - 6:01 pmDCA-ISP
7h 16m1 stop
JetBlue Logo
7:59 pm - 9:14 amISP-DCA
13h 15m1 stop
$328JetBlue
Find Deal
jue., nov. 20 - lun., nov. 24
JetBlue Logo
8:45 am - 9:45 amDCA-ISP
25h 00m1 stop
JetBlue Logo
6:56 pm - 4:49 pmISP-DCA
21h 53m1 stop
$410JetBlue
Find Deal
mié., nov. 19 - vie., nov. 21
Southwest Logo
6:55 am - 2:30 pmDCA-ISP
7h 35m1 stop
Southwest Logo
6:00 am - 3:20 pmISP-DCA
9h 20m1 stop
$438Southwest
Find Deal
jue., nov. 27 - sáb., nov. 29
Southwest Logo
11:55 am - 10:35 pmDCA-ISP
10h 40m1 stop
Southwest Logo
11:00 am - 8:00 pmISP-DCA
9h 00m1 stop
$463Southwest
Find Deal
vie., nov. 21 - sáb., nov. 29
JetBlue Logo
10:45 am - 6:01 pmDCA-ISP
7h 16m1 stop
JetBlue Logo
4:09 pm - 10:29 pmISP-DCA
6h 20m1 stop
$470JetBlue
Find Deal
jue., nov. 20 - mié., nov. 26
JetBlue Logo
10:59 am - 6:01 pmDCA-ISP
7h 02m1 stop
JetBlue Logo
10:45 am - 5:04 pmISP-DCA
6h 19m1 stop
$485JetBlue
Find Deal
vie., nov. 21 - jue., dic. 4
JetBlue Logo
10:45 am - 7:04 pmDCA-ISP
8h 19m1 stop
JetBlue Logo
10:45 am - 5:04 pmISP-DCA
6h 19m1 stop
$524JetBlue
Find Deal
lun., nov. 24 - jue., dic. 4
Southwest Logo
6:55 am - 12:30 pmDCA-ISP
5h 35m1 stop
Southwest Logo
3:40 pm - 10:50 pmISP-DCA
7h 10m1 stop
$526Southwest
Find Deal
mar., nov. 18 - mar., nov. 18
JetBlue Logo
10:45 am - 7:04 pmDCA-ISP
8h 19m1 stop
JetBlue Logo
10:43 am - 5:35 pmISP-DCA
6h 52m1 stop
$560JetBlue
Find Deal
lun., nov. 24 - mié., nov. 26
Frontier Logo
8:00 am - 11:59 pmDCA-ISP
15h 59m2 stops
Frontier Logo
6:00 am - 1:03 pmISP-DCA
31h 03m2 stops
$912Frontier
Find Deal
jue., nov. 27 - sáb., nov. 29

Southwest flights from Washington, D.C. Reagan-National Airport to Islip, New York

Our best Southwest deals on Washington, D.C. Reagan-National Airport to Islip, New York flight tickets
Southwest
Nov 27
DCA6:55 amWashington, D.C. Reagan-National
7h 35m
1 stop
ISP2:30 pmIslip Long Island
Nov 29
ISP6:00 amIslip Long Island
9h 20m
1 stop
DCA3:20 pmWashington, D.C. Reagan-National
$438
Find similar
Southwest
Nov 21
DCA11:55 amWashington, D.C. Reagan-National
10h 40m
1 stop
ISP10:35 pmIslip Long Island
Nov 29
ISP11:00 amIslip Long Island
9h 00m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
$463
Find similar
Southwest
Nov 18
DCA6:55 amWashington, D.C. Reagan-National
5h 35m
1 stop
ISP12:30 pmIslip Long Island
Nov 18
ISP3:40 pmIslip Long Island
7h 10m
1 stop
DCA10:50 pmWashington, D.C. Reagan-National
$526
Find similar

JetBlue flights from Washington, D.C. Reagan-National Airport to Islip, New York

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Islip, New York flight tickets
JetBlue
Nov 20
DCA10:45 amWashington, D.C. Reagan-National
7h 16m
1 stop
ISP6:01 pmIslip Long Island
Nov 24
ISP7:59 pmIslip Long Island
13h 15m
1 stop
DCA9:14 amWashington, D.C. Reagan-National
$328
Find similar
JetBlue
Nov 19
DCA8:45 amWashington, D.C. Reagan-National
25h 00m
1 stop
ISP9:45 amIslip Long Island
Nov 21
ISP6:56 pmIslip Long Island
21h 53m
1 stop
DCA4:49 pmWashington, D.C. Reagan-National
$410
Find similar
JetBlue
Nov 20
DCA10:45 amWashington, D.C. Reagan-National
7h 16m
1 stop
ISP6:01 pmIslip Long Island
Nov 26
ISP4:09 pmIslip Long Island
6h 20m
1 stop
DCA10:29 pmWashington, D.C. Reagan-National
$470
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Islip, New York 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, momondo users made 832,500 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

jue. 11/20

10:45 am-6:01 pm

1 stop7h 16m

Islip Long Island

lun. 11/24

7:59 pm-9:14 am

1 stop13h 15m

$328

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

mié. 11/19

8:45 am-9:45 am

1 stop25h 00m

Islip Long Island

vie. 11/21

6:56 pm-4:49 pm

1 stop21h 53m

$410

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

jue. 11/27

6:55 am-2:30 pm

1 stop7h 35m

Islip Long Island

sáb. 11/29

6:00 am-3:20 pm

1 stop9h 20m

$438

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

vie. 11/21

11:55 am-10:35 pm

1 stop10h 40m

Islip Long Island

sáb. 11/29

11:00 am-8:00 pm

1 stop9h 00m

$463

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

jue. 11/20

10:45 am-6:01 pm

1 stop7h 16m

Islip Long Island

mié. 11/26

4:09 pm-10:29 pm

1 stop6h 20m

$470

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

vie. 11/21

10:59 am-6:01 pm

1 stop7h 02m

Islip Long Island

jue. 12/4

10:45 am-5:04 pm

1 stop6h 19m

$485

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

lun. 11/24

10:45 am-7:04 pm

1 stop8h 19m

Islip Long Island

jue. 12/4

10:45 am-5:04 pm

1 stop6h 19m

$524

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

mar. 11/18

6:55 am-12:30 pm

1 stop5h 35m

Islip Long Island

mar. 11/18

3:40 pm-10:50 pm

1 stop7h 10m

$526

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

lun. 11/24

10:45 am-7:04 pm

1 stop8h 19m

Islip Long Island

mié. 11/26

10:43 am-5:35 pm

1 stop6h 52m

$560

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

jue. 11/27

8:00 am-11:59 pm

2 stops15h 59m

Islip Long Island

sáb. 11/29

6:00 am-1:03 pm

2 stops31h 03m

$912

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 day to depart on your flight to Islip, New York?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Islip, New York is on a Tuesday. Travelers who choose to depart for Islip, New York on a Tuesday will often find tickets for as low as $296. The most expensive day to fly to Islip, New York is Sunday, with ticket prices averaging around $487.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Washington, D.C. Reagan-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $337 when looking at flights departing in the afternoon. Flights to Islip, New York are more costly in the morning, with an average ticket price of $377. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. Reagan-National Airport to Islip, New York

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

Cheap Washington, D.C. Reagan-National Airport to Islip, New York (DCA to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Islip, New York

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Islip, New York. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Islip, New York.
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  • How far is Washington, D.C. Reagan-National to Islip Long Island by plane?

    Washington, D.C. Reagan-National and Islip Long Island are 240.8 mi apart from one another. By plane, this route typically takes 5h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Islip Long Island Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Islip Long Island Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport to Islip Long Island Airport.

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

    The required travel and health documents for your Islip Long Island 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 Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

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Sag Harbor
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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Islip?

It is quick and easy to find Washington, D.C. to Islip flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Islip that suits you.

Can I find flights from Washington, D.C. to Islip with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Islip flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Islip?

Once all potential Washington, D.C. to Islip flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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