Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. Dulles Intl Airport to New York
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Frontier flights from Washington, D.C. Dulles Intl Airport to Islip, New York
Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Islip, New York flight tickets
See travel insights to New York from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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 day to depart on your flight to Islip, New York?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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.
When to book flights from Washington, D.C. Dulles Intl Airport to Islip, New York
Cheap Washington, D.C. Dulles Intl Airport to Islip, New York (IAD to ISP) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Islip, New York
How far is Washington, D.C. Dulles Intl to Islip Long Island by plane?
There are 256.1 mi between Washington, D.C. Dulles Intl and Islip Long Island. A reasonable flight in good conditions will take 4h 16m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Islip Long Island Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Islip Long Island Airport are refreshed on a daily basis.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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.
Traveling to a place near New York?
Book flights to New York if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Islip?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Islip. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Islip with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Islip from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Islip?
Once you have performed a search for Washington, D.C. to Islip flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Washington, D.C. to Islip right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.