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Cheap flights from Islip, New York to District of Columbia from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to District of Columbia departing on 8/5. 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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0 bags

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

Cheap round-trip flights

Southwest Logo
4:00 pm - 10:00 pmISP-DCA
6h 00m1 stop
Southwest Logo
12:50 pm - 9:05 pmDCA-ISP
8h 15m1 stop
$157Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Southwest Logo
4:00 pm - 10:00 pmISP-DCA
6h 00m1 stop
Southwest Logo
6:55 am - 3:15 pmDCA-ISP
8h 20m2 stops
$162Southwest
Find Deal
Tue, Aug 12 - Wed, Aug 13
Southwest Logo
2:05 pm - 10:00 pmISP-DCA
7h 55m2 stops
Southwest Logo
6:55 am - 3:15 pmDCA-ISP
8h 20m2 stops
$167Southwest
Find Deal
Tue, Aug 12 - Wed, Aug 13
Southwest Logo
5:30 am - 11:10 amISP-DCA
5h 40m1 stop
Southwest Logo
6:55 am - 1:15 pmDCA-ISP
6h 20m1 stop
$204Southwest
Find Deal
Tue, Aug 12 - Wed, Aug 13
Southwest Logo
2:05 pm - 10:00 pmISP-DCA
7h 55m2 stops
Southwest Logo
12:50 pm - 9:05 pmDCA-ISP
8h 15m1 stop
$237Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Southwest Logo
2:05 pm - 10:00 pmISP-DCA
7h 55m2 stops
Southwest Logo
6:55 am - 3:15 pmDCA-ISP
8h 20m2 stops
$317Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Southwest Logo
6:25 am - 2:20 pmISP-DCA
7h 55m2 stops
Southwest Logo
12:55 pm - 10:10 pmDCA-ISP
9h 15m1 stop
$369Southwest
Find Deal
Tue, Jul 15 - Thu, Jul 17
Southwest Logo
6:25 am - 3:45 pmISP-DCA
9h 20m1 stop
Southwest Logo
12:55 pm - 10:10 pmDCA-ISP
9h 15m1 stop
$379Southwest
Find Deal
Tue, Jul 15 - Thu, Jul 17
 Logo
3:39 pm - 1:29 pmISP-DCA
21h 50m1 stop
 Logo
6:55 pm - 1:24 pmDCA-ISP
18h 29m1 stop
Fri, Sep 5 - Mon, Sep 8
 Logo
10:38 am - 9:20 amISP-DCA
22h 42m1 stop
 Logo
8:15 am - 8:01 pmDCA-ISP
11h 46m1 stop
Mon, Jun 30 - Fri, Jul 4

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
Aug 5
ISP4:00 pmIslip Long Island
6h 00m
1 stop
DCA10:00 pmWashington, D.C. Reagan-National
Aug 12
DCA12:50 pmWashington, D.C. Reagan-National
8h 15m
1 stop
ISP9:05 pmIslip Long Island
Southwest
Aug 12
ISP4:00 pmIslip Long Island
6h 00m
1 stop
DCA10:00 pmWashington, D.C. Reagan-National
Aug 13
DCA6:55 amWashington, D.C. Reagan-National
8h 20m
2 stops
ISP3:15 pmIslip Long Island
Southwest
Aug 12
ISP2:05 pmIslip Long Island
7h 55m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
Aug 13
DCA6:55 amWashington, D.C. Reagan-National
8h 20m
2 stops
ISP3:15 pmIslip Long Island

See travel insights to District of Columbia from

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

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

In general, May 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 $296. If you don’t want to visit District of Columbia in May, then you should wait until July to fly from Islip, New York, when ticket prices are also cheap, with an average price of $297.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $383. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $537.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Islip, New York in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $335 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $447. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 Long Island to District of Columbia flights?

There are 1 cabin classes available to choose from on Islip Long Island 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

$146

Fastest flight time

5h 40m

Direct flights

None

Airports in District of Columbia

1 airport
The best one-way flight to District of Columbia from Islip, New York in the past 72 hours is $146. The best round-trip flight deal from Islip, New York to District of Columbia found on momondo in the last 72 hours is $157.
The fastest flight from Islip, New York to District of Columbia takes 5h 40m
There are no direct flights from Islip, New York to District of Columbia. Popular non-direct route for this connection is Islip Long Island Airport - Washington, D.C. Reagan-National Airport.
There is 1 airport near District of Columbia: Washington, D.C. Reagan-National (DCA)

  • 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
SouthwestPriceFrom $269Free CancellationRating
8.0
4,278 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.


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Sat 6/21
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