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Cheap flights from Washington, D.C. to New York from $60

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. to New York departing on 2/10. 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. to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 am - 7:45 pm
BWI
-
ISP
8h 15m1 stop
Multiple Airlines Logo
7:58 pm - 12:06 am
ISP
-
BWI
28h 08m1 stop
$171Multiple Airlines
jue., ene. 8 - jue., ene. 15
Multiple Airlines Logo
7:45 pm - 7:08 pm
BWI
-
ISP
47h 23m2 stops
Multiple Airlines Logo
7:58 pm - 11:17 am
ISP
-
BWI
15h 19m1 stop
$183Multiple Airlines
jue., ene. 8 - jue., ene. 15
Multiple Airlines Logo
10:03 am - 7:08 pm
IAD
-
ISP
9h 05m1 stop
Multiple Airlines Logo
2:01 pm - 11:43 am
ISP
-
IAD
21h 42m2 stops
$190Multiple Airlines
sáb., ene. 10 - lun., ene. 12
Multiple Airlines Logo
11:30 am - 7:08 pm
BWI
-
ISP
7h 38m1 stop
Multiple Airlines Logo
8:45 pm - 10:36 pm
ISP
-
BWI
25h 51m2 stops
$197Multiple Airlines
sáb., ene. 10 - lun., ene. 12
Frontier Logo
10:00 pm - 1:09 pm
BWI
-
ISP
15h 09m1 stop
Frontier Logo
7:58 pm - 12:06 am
ISP
-
BWI
28h 08m1 stop
$256Frontier
dom., ene. 4 - jue., ene. 15
Frontier Logo
9:58 pm - 1:09 pm
IAD
-
ISP
15h 11m1 stop
Frontier Logo
7:58 pm - 7:58 pm
ISP
-
IAD
24h 00m1 stop
$262Frontier
dom., ene. 4 - jue., ene. 15
Southwest Logo
8:45 pm - 9:55 pm
BWI
-
ISP
1h 10mnonstop
Southwest Logo
5:45 am - 7:15 am
ISP
-
BWI
1h 30mnonstop
$272Southwest
mié., ene. 21 - sáb., ene. 24
Southwest Logo
10:35 am - 11:45 am
BWI
-
ISP
1h 10mnonstop
Southwest Logo
3:45 pm - 5:05 pm
ISP
-
BWI
1h 20mnonstop
$281Southwest
sáb., ene. 10 - lun., ene. 12
Breeze Airways Logo
2:10 pm - 11:15 am
IAD
-
ISP
21h 05m1 stop
Breeze Airways Logo
12:00 pm - 8:06 pm
ISP
-
IAD
8h 06m1 stop
$631Breeze Airways
jue., ene. 8 - jue., ene. 15
Breeze Airways Logo
2:10 pm - 11:15 am
IAD
-
ISP
21h 05m1 stop
Breeze Airways Logo
11:55 am - 2:18 pm
ISP
-
IAD
26h 23m3 stops
$651Breeze Airways
jue., ene. 8 - jue., ene. 15

Southwest flights from Washington, D.C. to Islip, New York

Our best Southwest deals on Washington, D.C. to Islip, New York flight tickets
Southwest
Jan 10
BWI8:40 pmBaltimore/Washington
1h 10m
ISP9:50 pmIslip Long Island
Jan 17
ISP3:35 pmIslip Long Island
1h 20m
BWI4:55 pmBaltimore/Washington
$281
Find similar
Southwest
Jan 10
DCA11:20 amWashington, D.C. Reagan-National
9h 10m
1 stop
ISP8:30 pmIslip Long Island
Jan 17
ISP7:40 amIslip Long Island
8h 15m
1 stop
DCA3:55 pmWashington, D.C. Reagan-National
$378
Find similar
Southwest
Dec 31
BWI2:10 pmBaltimore/Washington
1h 10m
ISP3:20 pmIslip Long Island
Jan 2
ISP5:40 amIslip Long Island
1h 20m
BWI7:00 amBaltimore/Washington
$383
Find similar

Frontier flights from Washington, D.C. to Islip, New York

Our best Frontier deals on Washington, D.C. to Islip, New York flight tickets
Frontier
Jan 4
BWI10:00 pmBaltimore/Washington
15h 09m
1 stop
ISP1:09 pmIslip Long Island
Jan 15
ISP7:58 pmIslip Long Island
28h 08m
1 stop
BWI12:06 amBaltimore/Washington
$256
Find similar
Frontier
Jan 4
IAD9:58 pmWashington, D.C. Dulles Intl
15h 11m
1 stop
ISP1:09 pmIslip Long Island
Jan 15
ISP7:58 pmIslip Long Island
24h 00m
1 stop
IAD7:58 pmWashington, D.C. Dulles Intl
$262
Find similar
Frontier
Dec 13
IAD9:20 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
ISP10:20 amIslip Long Island
Dec 14
ISP12:07 pmIslip Long Island
20h 24m
1 stop
IAD8:31 amWashington, D.C. Dulles Intl
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 diciembre 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

jue. 1/8

11:30 am-7:45 pm

1 stop8h 15m

Islip Long Island

jue. 1/15

7:58 pm-12:06 am

1 stop28h 08m

$171

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

jue. 1/8

7:45 pm-7:08 pm

2 stops47h 23m

Islip Long Island

jue. 1/15

7:58 pm-11:17 am

1 stop15h 19m

$183

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

sáb. 1/10

10:03 am-7:08 pm

1 stop9h 05m

Islip Long Island

lun. 1/12

2:01 pm-11:43 am

2 stops21h 42m

$190

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

sáb. 1/10

11:30 am-7:08 pm

1 stop7h 38m

Islip Long Island

lun. 1/12

8:45 pm-10:36 pm

2 stops25h 51m

$197

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

dom. 1/4

10:00 pm-1:09 pm

1 stop15h 09m

Islip Long Island

jue. 1/15

7:58 pm-12:06 am

1 stop28h 08m

$256

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

dom. 1/4

9:58 pm-1:09 pm

1 stop15h 11m

Islip Long Island

jue. 1/15

7:58 pm-7:58 pm

1 stop24h 00m

$262

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

mié. 1/21

8:45 pm-9:55 pm

Nonstop1h 10m

Islip Long Island

sáb. 1/24

5:45 am-7:15 am

Nonstop1h 30m

$272

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

sáb. 1/10

10:35 am-11:45 am

Nonstop1h 10m

Islip Long Island

lun. 1/12

3:45 pm-5:05 pm

Nonstop1h 20m

$281

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

jue. 1/8

2:10 pm-11:15 am

1 stop21h 05m

Islip Long Island

jue. 1/15

12:00 pm-8:06 pm

1 stop8h 06m

$631

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

jue. 1/8

2:10 pm-11:15 am

1 stop21h 05m

Islip Long Island

jue. 1/15

11:55 am-2:18 pm

3 stops26h 23m

$651

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. 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 month to fly to Islip, New York?

The month of April is, on average, the cheapest month to fly to Islip, New York from Washington, D.C., with most prices found around $285. If you aren’t able to travel to Islip, New York during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $320.

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

The cheapest day to depart from Washington, D.C. 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. 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.

What is the cheapest Washington, D.C. to Islip Long Island flight route?

Fly from Baltimore/Washington to Islip Long Island for the best Washington, D.C. - Islip Long Island flight prices

What cabin class options are available on Washington, D.C. to Islip Long Island flights?

There is only 1 cabin class available to choose from on Washington, D.C. 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.

Can stopping save me money on Washington, D.C. to Islip, New York flights?

You could potentially save up to 21% on your flight if you consider stops on a Washington, D.C. to Islip, New York flight.

When to book flights from Washington, D.C. to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Islip, New York (WAS to ISP) flight deals and tips

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

Best Price Found

$234

Fastest flight time

1h 10m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Islip, New York

1 airport
The best one-way flight to Islip, New York from Washington, D.C. in the past 72 hours is $234. The best round-trip flight deal from Washington, D.C. to Islip, New York found on momondo in the last 72 hours is $404.
The fastest flight from Washington, D.C. to Islip, New York takes 1h 10m
Direct flights go from Washington, D.C. to Islip, New York on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport in Islip, New York. From Washington, D.C. there are direct flights to Islip Long Island (ISP).
Search flight deals

  • How far is Washington, D.C. to Islip Long Island by plane?

    The straight-line distance from Washington, D.C. to Islip Long Island is 238.7 mi. Flights usually cover this in 1h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. to Islip Long Island Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Islip Long Island Airport?

  • How old do you have to be to fly from Washington, D.C. 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. 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.

  • What is the most popular plane model from Washington, D.C. to Islip, New York?

  • What is the most popular airline from Washington, D.C. to Islip, New York?

Best airlines flying from Washington, D.C. to Islip, New York

Compare and see reviews for airlines that fly from Washington, D.C. to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $231Free CancellationRating
7.9
4,253 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 Washington, D.C. to Islip?

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

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

momondo does allow users to show only those flights to Islip from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

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 Islip from Washington, D.C..

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

Price alerts on flights to Islip from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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