Cheap flights from Islip to Reagan-National (ISP - DCA)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Islip (ISP) to Reagan-National (DCA)

All the information you need to plan the best ISP to DCA flight in 2022: compare Islip to Reagan-National flight prices with the expected peak season, weather and rainfall in Reagan-National.
What is the cheapest month to fly from Islip, New York to Washington, D.C. Reagan-National Airport?

April is one of the best times of the year to fly to Washington, D.C. Reagan-National Airport from Islip, New York. Prices for April average $172 per person but you can even find prices for as low as $113. The most expensive prices can be found in the month of September. Opting for a April flight can save you 32% on your journey compared to booking in September

When is the cheapest time to fly from Islip, New York to Washington, D.C. Reagan-National Airport (ISP - DCA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Washington, D.C. Reagan-National Airport as you normally would.

How far in advance should I book a flight from Islip, New York to Washington, D.C. Reagan-National Airport?

Users have found that booking a flight from Islip, New York to Washington, D.C. Reagan-National Airport at least 31 days early can save you up to 111% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Islip, New York to Washington, D.C. Reagan-National Airport for as little as $235 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $341 for flights departing within the next 3 days.

Cheap flights from Islip to Reagan-National in May, June 2022

The best prices found for ISP to DCA flights for May, June
6 Jun - 8 Jun
$300pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island
29 May - 7 Jun
$301pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island
29 May - 7 Jun
$305pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
   
2 STOPS
ISP
Islip Long Island

Islip Long Island to Reagan-National 2022 flight deals

Cheap flights to Reagan-National from Islip found for this year
22 Sep - 26 Sep
$250pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
   
2 STOPS
ISP
Islip Long Island
22 Sep - 26 Sep
$276pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island
25 Dec - 31 Dec
$298pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island

Last minute flights from Islip to Reagan-National

Late deals on round-trip flights to Reagan-National from Islip, departing today and this week
1 Jun - 1 Jun
$305pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island
1 Jun - 5 Jun
$336pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
 
1 STOP
ISP
Islip Long Island
1 Jun - 5 Jun
$339pp
ISP
Islip Long Island
American Airlines
 
1 STOP
DCA
Washington, D.C. Reagan-National
DCA
Washington, D.C. Reagan-National
American Airlines
   
2 STOPS
ISP
Islip Long Island

One-way flights to Reagan-National from Islip

The cheapest one-way flights from Islip to Reagan-National
2:15 am - 12:43 pm
American Airlines
1 Stop
10h 28m
ISP - DCA
American Airlines
2:15 am - 11:55 am
American Airlines
1 Stop
9h 40m
ISP - DCA
American Airlines
2:15 am - 3:51 pm
American Airlines
1 Stop
13h 36m
ISP - DCA
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Islip</span> to <span class="emphasized">Reagan-National</span> flights.

Flight FAQs

From Islip to Reagan-National

What airport do you fly from for flights from Islip to Washington, D.C. Reagan-National?

Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Long Island; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Islip airport to Washington, D.C. Reagan-National. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

Which airlines flying from Islip Long Island to Washington, D.C. Reagan-National have flexible changes due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines flying from Islip Long Island to Washington, D.C. Reagan-National have implemented new flexible change policies.

Can I find flights from Islip, New York to Washington, D.C. Reagan-National Airport for under $300 on Cheapflights?

Yes, there are multiple flights from Islip, New York to Washington, D.C. Reagan-National Airport for under $300. The cheapest flight booked recently is on American Airlines for just $300, but on average you can expect to pay $357.

Are there last-minute flights available from Islip, New York to Washington, D.C. Reagan-National Airport for under $400?

There are currently 8+ open flights from Islip, New York to Washington, D.C. Reagan-National Airport within the next 7 days for less than $400.

What are the cheapest flights from Islip, New York to Washington, D.C. Reagan-National Airport?

On average you can expect to pay $294 for a flight from Islip, New York to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $294 while the most popular route, (Islip Long Island - Washington, D.C. Reagan-National) is currently priced at $288.

COVID Restrictions

View COVID Travel Restrictions for Reagan-National (DCA)

Do I need a COVID test to fly to Reagan-National from Islip?

Information is based on travel restrictions for travel to Washington, D.C. Reagan-National within the United States

Most visitors from Islip Long Island need to provide a negative COVID-19 test result and/or quarantine to enter Washington, D.C. Reagan-National.

COVID-19 testing requirements
Visitors from Islip Long Island must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C. Reagan-National.

Quarantine requirements
Visitors from Islip Long Island are not required to quarantine after entering Washington, D.C. Reagan-National.

Do I need a test to fly back to Islip from Reagan-National?

Returning to Islip Long Island from Washington, D.C. Reagan-National

COVID-19 testing requirements
Visitors from Washington, D.C. Reagan-National must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Islip Long Island.

Quarantine requirements
Visitors from Washington, D.C. Reagan-National are not required to quarantine after entering Islip Long Island.

Hide COVID Travel Restrictions for Reagan-National (DCA)

Alternative routes for Islip to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Reagan-National

Things to know before you go - useful duration and weather info for your trip from Islip to Reagan-National.
Average temperature for May in Reagan-National
77.0 °F
Avg rainfall for May in Reagan-National
4.1 ″

Airports servicing Islip

Airports servicing Washington, D.C.