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Cheap flights from District of Columbia to New York from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to New York departing on 5/16. 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

Find the cheapest flights from District of Columbia to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:52 pm - 10:05 am
IAD
-
ISP
19h 13m
2 stops
Multiple Airlines Logo
5:38 pm - 4:22 pm
ISP
-
IAD
22h 44m
1 stop
$185Multiple Airlines
Fri, May 15 - Tue, May 19
Frontier Logo
7:12 pm - 10:05 am
IAD
-
ISP
14h 53m
1 stop
Frontier Logo
5:38 pm - 4:22 pm
ISP
-
IAD
22h 44m
1 stop
$196Frontier
Thu, May 14 - Tue, May 19
Frontier Logo
8:12 am - 9:13 am
IAD
-
ISP
25h 01m
1 stop
Frontier Logo
5:38 pm - 4:22 pm
ISP
-
IAD
22h 44m
1 stop
$197Frontier
Sat, May 2 - Tue, May 5
Frontier Logo
6:49 am - 5:58 pm
IAD
-
ISP
11h 09m
2 stops
Frontier Logo
5:38 pm - 4:22 pm
ISP
-
IAD
22h 44m
1 stop
$200Frontier
Sat, May 16 - Tue, May 19
Multiple Airlines Logo
7:27 pm - 10:05 am
IAD
-
ISP
14h 38m
1 stop
Multiple Airlines Logo
10:48 am - 10:22 am
ISP
-
IAD
23h 34m
2 stops
$214Multiple Airlines
Fri, Jun 5 - Wed, Jun 10
Frontier Logo
8:12 am - 9:13 am
IAD
-
ISP
25h 01m
1 stop
Frontier Logo
5:38 pm - 4:22 pm
ISP
-
IAD
22h 44m
1 stop
$218Frontier
Sat, May 2 - Tue, May 5
Frontier Logo
12:24 pm - 5:58 pm
IAD
-
ISP
29h 34m
1 stop
Frontier Logo
11:00 am - 3:16 pm
ISP
-
IAD
28h 16m
1 stop
$225Frontier
Fri, May 29 - Mon, Jun 1
Southwest Logo
5:25 pm - 11:40 pm
DCA
-
ISP
6h 15m
1 stop
Southwest Logo
6:25 am - 12:00 pm
ISP
-
DCA
5h 35m
1 stop
$347Southwest
Fri, Jun 5 - Wed, Jun 10
Southwest Logo
3:55 pm - 10:40 pm
DCA
-
ISP
6h 45m
1 stop
Southwest Logo
2:30 pm - 10:25 pm
ISP
-
DCA
7h 55m
2 stops
$352Southwest
Sat, May 30 - Tue, Jun 2
Southwest Logo
6:00 am - 12:05 pm
DCA
-
ISP
6h 05m
1 stop
Southwest Logo
5:10 pm - 10:50 pm
ISP
-
DCA
5h 40m
1 stop
$357Southwest
Mon, May 18 - Mon, May 18

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Southwest flights from District of Columbia to Islip, New York

Our best Southwest deals on District of Columbia to Islip, New York flight tickets
Southwest
Jun 5
DCA5:25 pmWashington, D.C. Reagan-National
6h 15m
1 stop
ISP11:40 pmIslip Long Island
Jun 10
ISP6:25 amIslip Long Island
5h 35m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
$347
Southwest
May 30
DCA3:55 pmWashington, D.C. Reagan-National
6h 45m
1 stop
ISP10:40 pmIslip Long Island
Jun 2
ISP2:30 pmIslip Long Island
7h 55m
2 stops
DCA10:25 pmWashington, D.C. Reagan-National
$352
Southwest
May 18
DCA6:00 amWashington, D.C. Reagan-National
6h 05m
1 stop
ISP12:05 pmIslip Long Island
May 18
ISP5:10 pmIslip Long Island
5h 40m
1 stop
DCA10:50 pmWashington, D.C. Reagan-National
$357

Frontier flights from District of Columbia to Islip, New York

Our best Frontier deals on District of Columbia to Islip, New York flight tickets
Frontier
May 14
IAD7:12 pmWashington, D.C. Dulles Intl
14h 53m
1 stop
ISP10:05 amIslip Long Island
May 19
ISP5:38 pmIslip Long Island
22h 44m
1 stop
IAD4:22 pmWashington, D.C. Dulles Intl
$196
Frontier
May 2
IAD8:12 amWashington, D.C. Dulles Intl
25h 01m
1 stop
ISP9:13 amIslip Long Island
May 5
ISP5:38 pmIslip Long Island
22h 44m
1 stop
IAD4:22 pmWashington, D.C. Dulles Intl
$197
Frontier
May 16
IAD6:49 amWashington, D.C. Dulles Intl
11h 09m
2 stops
ISP5:58 pmIslip Long Island
May 19
ISP5:38 pmIslip Long Island
22h 44m
1 stop
IAD4:22 pmWashington, D.C. Dulles Intl
$200

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 April 18, 2026.
Use the filters below to find and compare flights from District of Columbia to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 5/15

2:52 pm-10:05 am

2 stops19h 13m

Islip Long Island

Tue 5/19

5:38 pm-4:22 pm

1 stop22h 44m

$185

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Thu 5/14

7:12 pm-10:05 am

1 stop14h 53m

Islip Long Island

Tue 5/19

5:38 pm-4:22 pm

1 stop22h 44m

$196

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Sat 5/2

8:12 am-9:13 am

1 stop25h 01m

Islip Long Island

Tue 5/5

5:38 pm-4:22 pm

1 stop22h 44m

$197

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Sat 5/16

6:49 am-5:58 pm

2 stops11h 09m

Islip Long Island

Tue 5/19

5:38 pm-4:22 pm

1 stop22h 44m

$200

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 6/5

7:27 pm-10:05 am

1 stop14h 38m

Islip Long Island

Wed 6/10

10:48 am-10:22 am

2 stops23h 34m

$214

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Sat 5/2

8:12 am-9:13 am

1 stop25h 01m

Islip Long Island

Tue 5/5

5:38 pm-4:22 pm

1 stop22h 44m

$218

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 5/29

12:24 pm-5:58 pm

1 stop29h 34m

Islip Long Island

Mon 6/1

11:00 am-3:16 pm

1 stop28h 16m

$225

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

Fri 6/5

5:25 pm-11:40 pm

1 stop6h 15m

Islip Long Island

Wed 6/10

6:25 am-12:00 pm

1 stop5h 35m

$347

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

Sat 5/30

3:55 pm-10:40 pm

1 stop6h 45m

Islip Long Island

Tue 6/2

2:30 pm-10:25 pm

2 stops7h 55m

$352
Quickest round-trip

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

Mon 5/18

6:00 am-12:05 pm

1 stop6h 05m

Islip Long Island

Mon 5/18

5:10 pm-10:50 pm

1 stop5h 40m

$357

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 District of Columbia 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 District of Columbia to Islip Long Island flight route?

Fly from Baltimore/Washington to Islip Long Island for the best District of Columbia - Islip Long Island flight prices

What cabin class options are available on District of Columbia to Islip Long Island flights?

There is only 1 cabin class available to choose from on District of Columbia to Islip Long Island flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap District of Columbia to Islip, New York flight deals and tips

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

Fastest flight time

5h 55m

Direct flights

None
The fastest flight from District of Columbia to Islip, New York takes 5h 55m
There are no direct flights from District of Columbia to Islip, New York. There are no popular flight routes from District of Columbia to Islip, New York.
Search flight deals

Frequently asked questions about flying from District of Columbia to Islip, New York

  • When did momondo last update prices for flights from District of Columbia to Islip Long Island Airport?

    Prices for flights from District of Columbia to Islip Long Island Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Islip Long Island 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 District of Columbia to Islip Long Island Airport.

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

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Islip, New York

Compare and see reviews for airlines that fly from District of Columbia to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $221Free CancellationRating
8.0
4,330 reviews
Search Southwest flights

Traveling to a place near New York?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Islip?

It is quick and easy to find District of Columbia 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 District of Columbia to Islip with flexible booking policies on momondo?

All flight searches from District of Columbia to Islip on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Islip?

Once you have performed a search for District of Columbia 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 District of Columbia to Islip right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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