What airlines fly to District of Columbia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to District of Columbia from Islip, New York according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Islip Long Island to District of Columbia?

Southwest is the most popular carrier operating from Islip Long Island to District of Columbia

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

Prices for flights from Islip Long Island Airport to District of Columbia were last updated today.

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

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 District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$177 Cheap Flights from Islip, New York to District of Columbia in 2026/27

Find the cheapest flights from Islip, New York to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 10:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

5h 50m1 stop Orlando

4:55 pm - 10:45 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 50m1 stop Orlando

$312Southwest

Wed, Dec 9 - Fri, Dec 11

5:05 pm - 10:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

5h 50m1 stop Orlando

6:10 am - 3:35 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 25m2 stops Orlando West Palm Beach President Donald J. Trump Intl

$317Southwest

Wed, Dec 9 - Fri, Dec 11

4:25 pm - 10:35 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 10m1 stop Orlando

7:10 am - 3:55 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

8h 45m1 stop Tampa

$344Southwest

Fri, Jan 29 - Sun, Jan 31

4:25 pm - 10:35 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 10m1 stop Orlando

6:00 am - 3:00 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 00m1 stop Orlando

$344Southwest

Fri, Jan 8 - Sun, Jan 10

4:25 pm - 10:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 15m1 stop Orlando

6:00 am - 3:30 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 30m1 stop Orlando

$349Southwest

Mon, Nov 2 - Tue, Nov 3

1:35 pm - 10:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

9h 05m2 stops West Palm Beach President Donald J. Trump Intl Orlando

6:00 am - 3:30 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 30m1 stop Orlando

$355Southwest

Mon, Nov 2 - Tue, Nov 3

5:05 pm - 10:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

5h 50m1 stop Orlando

6:10 am - 12:40 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 30m1 stop Orlando

$377Southwest

Wed, Nov 11 - Fri, Nov 13

5:05 pm - 10:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

5h 50m1 stop Orlando

6:10 am - 3:35 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 25m2 stops Orlando West Palm Beach President Donald J. Trump Intl

$382Southwest

Wed, Nov 11 - Fri, Nov 13

5:05 pm - 10:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

5h 50m1 stop Orlando

6:00 am - 3:30 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 30m1 stop Orlando

$392Southwest

Tue, Dec 1 - Thu, Dec 3

1:35 pm - 10:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

9h 05m2 stops West Palm Beach President Donald J. Trump Intl Orlando

6:10 am - 12:40 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 30m1 stop Orlando

$392Southwest

Fri, Nov 6 - Fri, Nov 13

Cheap last minute flights

Enter your travel dates to find the best prices.

4:20 pm - 10:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 20m1 stop Orlando

5:35 pm - 11:15 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 40m1 stop Orlando

$667Southwest

Wed, Oct 14 - Thu, Oct 15

4:20 pm - 10:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 20m1 stop Orlando

12:40 pm - 11:15 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

10h 35m1 stop Orlando

$757Southwest

Wed, Oct 14 - Thu, Oct 15

6:55 am - 3:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

9h 00m1 stop Orlando

6:00 am - 1:10 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 10m1 stop Orlando

$1,062Southwest

Mon, Oct 12 - Tue, Oct 13

6:55 am - 3:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

9h 00m1 stop Orlando

6:00 am - 3:30 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

9h 30m2 stops Orlando West Palm Beach President Donald J. Trump Intl

$1,068Southwest

Mon, Oct 12 - Tue, Oct 13

6:00 am - 2:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 59m1 stop Fort Lauderdale

7:07 am - 2:16 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 09m1 stop Orlando

$1,133JetBlue

Sun, Oct 11 - Tue, Oct 13

6:00 am - 9:07 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

15h 07m1 stop Fort Lauderdale

7:59 am - 9:37 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

13h 38m1 stop Fort Lauderdale

$1,138JetBlue

Sat, Oct 10 - Sun, Oct 11

6:00 am - 2:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 59m1 stop Fort Lauderdale

7:07 am - 2:16 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 09m1 stop Orlando

$1,193JetBlue

Sun, Oct 11 - Wed, Oct 14

12:30 pm - 10:44 amISP Islip Long Island-DCA Washington, D.C. Reagan-National

22h 14m2 stops Boston Logan Intl Newark

1:05 pm - 7:49 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 44m2 stops Newark Boston Logan Intl

$1,193Multiple Airlines

Wed, Oct 14 - Thu, Oct 15

6:00 am - 2:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 59m1 stop Fort Lauderdale

7:07 am - 2:16 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 09m1 stop Orlando

$1,213JetBlue

Sun, Oct 11 - Tue, Oct 13

6:00 am - 2:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 59m1 stop Fort Lauderdale

7:07 am - 1:47 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 40m1 stop Orlando

$1,213JetBlue

Sun, Oct 11 - Mon, Oct 12

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Southwest flights from Islip, New York to District of Columbia

Our best Southwest deals on Islip, New York to District of Columbia flight tickets

Southwest

Dec 9

ISP5:05 pmIslip Long Island

5h 50m

1 stop

DCA10:55 pmWashington, D.C. Reagan-National

Dec 11

DCA4:55 pmWashington, D.C. Reagan-National

5h 50m

1 stop

ISP10:45 pmIslip Long Island

$312

Southwest

Dec 9

ISP5:05 pmIslip Long Island

5h 50m

1 stop

DCA10:55 pmWashington, D.C. Reagan-National

Dec 11

DCA6:10 amWashington, D.C. Reagan-National

9h 25m

2 stops

ISP3:35 pmIslip Long Island

$317

Southwest

Jan 8

ISP4:25 pmIslip Long Island

6h 10m

1 stop

DCA10:35 pmWashington, D.C. Reagan-National

Jan 10

DCA6:00 amWashington, D.C. Reagan-National

9h 00m

1 stop

ISP3:00 pmIslip Long Island

$344

JetBlue flights from Islip, New York to District of Columbia

Our best JetBlue deals on Islip, New York to District of Columbia flight tickets

JetBlue

Oct 24

ISP6:00 amIslip Long Island

15h 07m

1 stop

DCA9:07 pmWashington, D.C. Reagan-National

Oct 26

DCA5:20 pmWashington, D.C. Reagan-National

28h 17m

1 stop

ISP9:37 pmIslip Long Island

$489

JetBlue

Oct 24

ISP6:00 amIslip Long Island

15h 07m

1 stop

DCA9:07 pmWashington, D.C. Reagan-National

Oct 26

DCA5:20 pmWashington, D.C. Reagan-National

28h 17m

1 stop

ISP9:37 pmIslip Long Island

$510

JetBlue

Oct 24

ISP6:00 amIslip Long Island

15h 07m

1 stop

DCA9:07 pmWashington, D.C. Reagan-National

Oct 26

DCA5:20 pmWashington, D.C. Reagan-National

28h 17m

1 stop

ISP9:37 pmIslip Long Island

$530

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Wed 12/9

5:05 pm-10:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Fri 12/11

4:55 pm-10:45 pm

1 stop5h 50m

$312

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Wed 12/9

5:05 pm-10:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Fri 12/11

6:10 am-3:35 pm

2 stops9h 25m

$317

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Fri 1/29

4:25 pm-10:35 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sun 1/31

7:10 am-3:55 pm

1 stop8h 45m

$344

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Fri 1/8

4:25 pm-10:35 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sun 1/10

6:00 am-3:00 pm

1 stop9h 00m

$344

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Mon 11/2

4:25 pm-10:40 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Tue 11/3

6:00 am-3:30 pm

1 stop9h 30m

$349

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Mon 11/2

1:35 pm-10:40 pm

2 stops9h 05m

Washington, D.C. Reagan-National

Tue 11/3

6:00 am-3:30 pm

1 stop9h 30m

$355

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Wed 11/11

5:05 pm-10:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Fri 11/13

6:10 am-12:40 pm

1 stop6h 30m

$377

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Wed 11/11

5:05 pm-10:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Fri 11/13

6:10 am-3:35 pm

2 stops9h 25m

$382

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Tue 12/1

5:05 pm-10:55 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Thu 12/3

6:00 am-3:30 pm

1 stop9h 30m

$392

IslipWashington, D.C.

ISP Islip Long Island - DCA Washington, D.C. Reagan-National

ISPDCA

Islip Long Island

Fri 11/6

1:35 pm-10:40 pm

2 stops9h 05m

Washington, D.C. Reagan-National

Fri 11/13

6:10 am-12:40 pm

1 stop6h 30m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to District of Columbia

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

Prices

Airlines

What is the cheapest month to fly to District of Columbia?

In general, November is the cheapest month to fly from Islip, New York to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit District of Columbia in November, then you should wait until February to fly from Islip, New York, when ticket prices are also cheap, with an average price of $0.

What is the cheapest Islip Long Island to District of Columbia flight route?

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

What cabin class options are available on Islip, New York to District of Columbia flights?

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

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

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

Best Price Found	$177
Fastest flight time	5h 50m
Direct flights	None

The best one-way flight to District of Columbia from Islip, New York in the past 72 hours is $177. The best round-trip flight deal from Islip, New York to District of Columbia found on momondo in the last 72 hours is $312.

The fastest flight from Islip, New York to District of Columbia takes 5h 50m

There are no direct flights from Islip, New York to District of Columbia. There are no popular flight routes from Islip, New York to District of Columbia.

Search flight deals

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

When did momondo last update prices for flights from Islip Long Island Airport to District of Columbia?
Prices for flights from Islip Long Island Airport to District of Columbia were last updated today.
How old do you have to be to fly from Islip Long Island Airport to District of Columbia?
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 District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Islip, New York to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $197	Free Cancellation	Rating 7.9 4,221 reviews		Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Islip to District of Columbia for you.

Can I find flights from Islip to District of Columbia with flexible booking policies on momondo?

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

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

momondo provides multiple filters to help you find the best flight to District of Columbia from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to District of Columbia from Islip 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.