Question 1

How long does a flight from Islip to Washington, D.C. take?

Accepted Answer

Nonstop flights from Islip generally make it to Washington, D.C. in 1h 15m. The flying distance between the two cities is 246 miles. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between Islip and Washington, D.C. per day?

Accepted Answer

Each day, there are between 3 and 4 nonstop flights that take off from Islip and land in Washington, D.C., with an average flight time of 1h 15m. The most common departure time is 10:00 am and most flights take off in the afternoon, while the most flights land at Baltimore. Each week, there are 26 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday. Visit our flight page for the latest deals!>/a>

Question 3

What is the cheapest flight from Islip to Washington, D.C.?

Accepted Answer

In the last 3 days, the lowest price for a flight from Islip to Washington, D.C. was $109 for a one-way ticket and $245 for a round-trip. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 4

Do I need a passport to fly between Islip and Washington, D.C.?

Accepted Answer

No, a passport isn't needed to fly from Islip to Washington, D.C.. However, local authorities might ask for an official ID. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 5

Which airports will I be using when flying from Islip to Washington, D.C.?

Accepted Answer

When flying out of Islip you will be using Islip Long Island. You will be landing at one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 6

What’s the earliest departure time from Islip to Washington, D.C.?

Accepted Answer

Early birds can take the earliest flight from Islip at 5:40 am and will be landing in Washington, D.C. at 6:55 am.

Question 7

What’s the latest departure time from Islip to Washington, D.C.?

Accepted Answer

If you prefer to fly at night, the latest flight from Islip to Washington, D.C. jets off at 6:25 pm and lands at 7:40 pm.

Question 8

Which airlines fly non-stop between Islip and Washington, D.C.?

Accepted Answer

There is just one airline that flies from Islip to Washington, D.C. direct and that is Southwest. The best round-trip deal found from Southwest for the route is $278.

Question 9

Which airlines offer Wi-Fi service onboard planes from Islip to Washington, D.C.?

Accepted Answer

JetBlue, and Delta offer inflight Wi-Fi service on the Islip to Washington, D.C. flight route.

Question 10

Which aircraft models fly most regularly from Islip to Washington, D.C.?

Accepted Answer

The Airbus A320neo is the aircraft model that flies most regularly on the Islip to Washington, D.C. flight route.

Question 11

On which days can I fly direct from Islip to Washington, D.C.?

Accepted Answer

There are nonstop flights from Islip to Washington, D.C. on a daily basis.

Question 12

What is the cheapest month to fly from Islip to Washington, D.C.?

Accepted Answer

The cheapest month for flights from Islip to Washington, D.C. is May, where tickets cost $295 (return) on average. On the other hand, the most expensive months are August and March, where the average cost of round-trip tickets is $666 and $599 respectively.

Question 13

How does KAYAK find such low prices on flights from Islip to Washington, D.C.?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Washington, D.C.. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 14

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Washington, D.C.?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Islip is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 15

What is the Hacker Fare option on flights from Islip to Washington, D.C.?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Islip with another airline. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 16

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Washington, D.C.?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Islip-Long-Island-ISP/Washington-WAS'>Visit our flight page for the latest deals!>/a>

Question 17

Which cabin class options are there for flights between Islip and Washington, D.C.?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 18

Which airlines provide the cheapest flights from Islip to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Islip to Washington, D.C. were found on Southwest ($245) and JetBlue ($343).

Question 19

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

Accepted Answer

Our data shows that the cheapest route for a return flight from Islip to Washington, D.C. cost $263 and was between Islip (ISP) and Baltimore (BWI). On average, the best prices are found if you fly this route. The average price for a return flight for this route is $263.

Low season	June
High season	October
Cheapest flight	$109

ISP - WAS

$109 Find Cheap Flights from Islip to Washington, D.C.

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Cheap Flight Deals from Islip to Washington, D.C. (ISP-WAS)

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KAYAK's insights & trends for Islip to Washington, D.C. flights

Get data-powered insights and trends into flights from Islip to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

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

Our data shows that the cheapest route for a return flight from Islip to Washington, D.C. cost $263 and was between Islip (ISP) and Baltimore (BWI). On average, the best prices are found if you fly this route. The average price for a return flight for this route is $263.

What is the cheapest month to fly from Islip to Washington, D.C.?

The cheapest month for flights from Islip to Washington, D.C. is May, where tickets cost $295 (return) on average. On the other hand, the most expensive months are August and March, where the average cost of round-trip tickets is $666 and $599 respectively.

Which airlines provide the cheapest flights from Islip to Washington, D.C.?

In the past 3 days, the cheapest round-trip tickets from Islip to Washington, D.C. were found on Southwest ($245) and JetBlue ($343).

Which airlines fly non-stop between Islip and Washington, D.C.?

There is just one airline that flies from Islip to Washington, D.C. direct and that is Southwest. The best round-trip deal found from Southwest for the route is $278.

Which cabin class options are there for flights between Islip and Washington, D.C.?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Islip and Washington, D.C. per day?

How long does a flight from Islip to Washington, D.C. take?

Nonstop flights from Islip generally make it to Washington, D.C. in 1h 15m. The flying distance between the two cities is 246 miles.

What’s the earliest departure time from Islip to Washington, D.C.?

Early birds can take the earliest flight from Islip at 5:40 am and will be landing in Washington, D.C. at 6:55 am.

What’s the latest departure time from Islip to Washington, D.C.?

If you prefer to fly at night, the latest flight from Islip to Washington, D.C. jets off at 6:25 pm and lands at 7:40 pm.

Good to know

Low season

High season

Cheapest flight

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

FAQs for booking flights from Islip to Washington, D.C.

What is the cheapest flight from Islip to Washington, D.C.?

Do I need a passport to fly between Islip and Washington, D.C.?

Which airports will I be using when flying from Islip to Washington, D.C.?

Which airlines offer Wi-Fi service onboard planes from Islip to Washington, D.C.?

Which aircraft models fly most regularly from Islip to Washington, D.C.?

On which days can I fly direct from Islip to Washington, D.C.?

How does KAYAK find such low prices on flights from Islip to Washington, D.C.?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Washington, D.C.?

What is the Hacker Fare option on flights from Islip to Washington, D.C.?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Washington, D.C.?

KAYAK’s top tips for finding a cheap flight from Islip to Washington, D.C.

Top airline flying from Islip to Washington, D.C.

Everything you need to know for your flight from Islip to Washington, D.C.

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Cabin class types available on flights from Islip to Washington, D.C.

Cabin classes available on flights from Islip to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights to and from Islip and Washington, D.C.

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights from domestic origins to Washington, D.C.

Flights from all airports within Islip to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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