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 52% 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 and JetBlue are the most popular carriers 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.

$165 Cheap Flights from Islip, New York to District of Columbia in 2026

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.

11:35 am - 7:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 24m1 stop Orlando

4:35 pm - 11:22 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 47m1 stop Fort Lauderdale

$329JetBlue

Fri, Sep 4 - Thu, Sep 10

1:44 pm - 7:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 15m1 stop Orlando

7:05 am - 3:36 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

8h 31m1 stop Orlando

$329JetBlue

Sat, Sep 5 - Sat, Sep 12

11:35 am - 7:59 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 24m1 stop Orlando

7:05 am - 3:36 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

8h 31m1 stop Orlando

$329JetBlue

Fri, Sep 4 - Thu, Sep 10

6:00 am - 2:13 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 13m1 stop Fort Lauderdale

4:35 pm - 11:22 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

6h 47m1 stop Fort Lauderdale

$329JetBlue

Fri, Sep 4 - Thu, Sep 10

1:15 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

10h 40m2 stops Palm Beach Intl Orlando

6:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 55m1 stop Orlando

$362Southwest

Fri, Sep 4 - Thu, Sep 10

4:58 pm - 11:33 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 35m1 stop Fort Lauderdale

3:20 pm - 3:36 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

24h 16m1 stop Orlando

$371JetBlue

Thu, Sep 3 - Tue, Sep 8

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

7:55 am - 3:45 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 50m1 stop Tampa

$377Southwest

Thu, Sep 3 - Sun, Sep 6

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

12:55 pm - 9:35 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

8h 40m1 stop Orlando

$377Southwest

Fri, Sep 4 - Thu, Sep 10

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

6:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 55m1 stop Orlando

$377Southwest

Fri, Sep 4 - Thu, Sep 10

1:15 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

10h 40m2 stops Palm Beach Intl Orlando

6:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 55m1 stop Orlando

$382Southwest

Fri, Sep 4 - Thu, Sep 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 2:13 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

8h 13m1 stop Fort Lauderdale

7:05 am - 3:36 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

8h 31m1 stop Orlando

$719JetBlue

Wed, Aug 12 - Sat, Sep 12

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

6:00 am - 1:20 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 20m1 stop Orlando

$732Southwest

Thu, Aug 13 - Sat, Aug 15

1:15 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

10h 40m2 stops Palm Beach Intl Orlando

6:00 am - 1:20 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 20m1 stop Orlando

$737Southwest

Thu, Aug 13 - Sat, Aug 15

6:45 am - 2:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

7h 55m2 stops Orlando Fort Lauderdale

6:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 55m1 stop Orlando

$807Southwest

Fri, Aug 14 - Mon, Aug 17

6:00 am - 11:32 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

17h 32m1 stop Fort Lauderdale

6:00 am - 9:44 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

15h 44m1 stop Fort Lauderdale

$861JetBlue

Wed, Aug 12 - Wed, Aug 19

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

6:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ISP Islip Long Island

5h 55m1 stop Orlando

$863Southwest

Fri, Aug 14 - Mon, Aug 17

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

6:00 am - 1:20 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 20m1 stop Orlando

$914Southwest

Thu, Aug 13 - Sat, Aug 15

5:00 pm - 11:55 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

6h 55m1 stop Orlando

12:55 pm - 11:15 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

10h 20m1 stop Orlando

$919Southwest

Fri, Aug 14 - Sun, Aug 16

6:45 am - 2:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

7h 55m2 stops Orlando Fort Lauderdale

6:00 am - 1:20 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

7h 20m1 stop Orlando

$919Southwest

Thu, Aug 13 - Sat, Aug 15

6:45 am - 2:40 pmISP Islip Long Island-DCA Washington, D.C. Reagan-National

7h 55m2 stops Orlando Fort Lauderdale

12:55 pm - 11:15 pmDCA Washington, D.C. Reagan-National-ISP Islip Long Island

10h 20m1 stop Orlando

$1,022Southwest

Fri, Aug 14 - Sun, Aug 16

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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

Sep 4

ISP11:35 amIslip Long Island

8h 24m

1 stop

DCA7:59 pmWashington, D.C. Reagan-National

Sep 10

DCA4:35 pmWashington, D.C. Reagan-National

6h 47m

1 stop

ISP11:22 pmIslip Long Island

$329

JetBlue

Sep 3

ISP4:58 pmIslip Long Island

6h 35m

1 stop

DCA11:33 pmWashington, D.C. Reagan-National

Sep 8

DCA3:20 pmWashington, D.C. Reagan-National

24h 16m

1 stop

ISP3:36 pmIslip Long Island

$371

JetBlue

Sep 3

ISP9:55 amIslip Long Island

6h 04m

1 stop

DCA3:59 pmWashington, D.C. Reagan-National

Sep 6

DCA3:20 pmWashington, D.C. Reagan-National

6h 44m

1 stop

ISP10:04 pmIslip Long Island

$393

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

Sep 4

ISP1:15 pmIslip Long Island

10h 40m

2 stops

DCA11:55 pmWashington, D.C. Reagan-National

Sep 10

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

5h 55m

1 stop

ISP11:55 amIslip Long Island

$362

Southwest

Sep 4

ISP5:00 pmIslip Long Island

6h 55m

1 stop

DCA11:55 pmWashington, D.C. Reagan-National

Sep 10

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

5h 55m

1 stop

ISP11:55 amIslip Long Island

$377

Southwest

Sep 3

ISP1:15 pmIslip Long Island

10h 40m

2 stops

DCA11:55 pmWashington, D.C. Reagan-National

Sep 6

DCA7:55 amWashington, D.C. Reagan-National

7h 50m

1 stop

ISP3:45 pmIslip Long Island

$382

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

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

11:35 am-7:59 pm

1 stop8h 24m

Washington, D.C. Reagan-National

Thu 9/10

4:35 pm-11:22 pm

1 stop6h 47m

$329

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Sat 9/5

1:44 pm-7:59 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Sat 9/12

7:05 am-3:36 pm

1 stop8h 31m

$329

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

11:35 am-7:59 pm

1 stop8h 24m

Washington, D.C. Reagan-National

Thu 9/10

7:05 am-3:36 pm

1 stop8h 31m

$329

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

6:00 am-2:13 pm

1 stop8h 13m

Washington, D.C. Reagan-National

Thu 9/10

4:35 pm-11:22 pm

1 stop6h 47m

$329

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

1:15 pm-11:55 pm

2 stops10h 40m

Washington, D.C. Reagan-National

Thu 9/10

6:00 am-11:55 am

1 stop5h 55m

$362

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Thu 9/3

4:58 pm-11:33 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Tue 9/8

3:20 pm-3:36 pm

1 stop24h 16m

$371

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Thu 9/3

5:00 pm-11:55 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sun 9/6

7:55 am-3:45 pm

1 stop7h 50m

$377

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

5:00 pm-11:55 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Thu 9/10

12:55 pm-9:35 pm

1 stop8h 40m

$377

Quickest round-trip

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

5:00 pm-11:55 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Thu 9/10

6:00 am-11:55 am

1 stop5h 55m

$377

IslipWashington, D.C.

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

ISPDCA

Islip Long Island

Fri 9/4

1:15 pm-11:55 pm

2 stops10h 40m

Washington, D.C. Reagan-National

Thu 9/10

6:00 am-11:55 am

1 stop5h 55m

$382

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

Fastest flight time	6h 04m
Direct flights	None

The fastest flight from Islip, New York to District of Columbia takes 6h 04m

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 $217	Free Cancellation	Rating 8.0 4,218 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.