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Did you mean flights from Islip to St Louis?

Flights from St Louis to Islip, United States

TIPSave $189 by flying into Manchester, New Hampshire instead of Islip from St Louis

St Louis to Islip Last modified: Jul 25, 2017 3:07 -04:00Prices shown were found by travelers like you over the past 30 days

We've scanned 23,115,116,629 round trip itineraries and found the cheapest flights to Islip. American frequently offer the best deals to Islip flights, or select your preferred carrier below to see the cheapest days to fly.

American
STLISP
Sun 8/6
2 stops
ISPSTL
Thu 8/10
2 stops
$534

How Much is a Flight from St Louis to Islip? Prices shown were found by travelers like you over the past 30 days

We have collected flight cost data from across the web for travel from St Louis to Islip, and have found the average flight price for this trip to be $618.

Where To Buy Cheap Flights from St Louis to Islip?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from St Louis to Islip based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Islip? Prices shown were found by travelers like you over the past 30 days

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Islip.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $576
7-14 days $0 $534
14-21 days $0 $0
21-30 days $0 $0
30-60 days $0 $743
60-90 days $0 $0
90+ days $0 $558

Cheapest Day To Fly from St Louis to Islip Prices shown were found by travelers like you over the past 30 days

We've examined 23,126,740,578 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Islip is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$576  $743  $534

Compare Flight Prices from St Louis to Islip by Month Prices shown were found by travelers like you over the past 30 days

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Islip flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
July St Louis Islip American 7/31/17 8/3/17 2 $576
August St Louis Islip American 8/6/17 8/10/17 2 $534
December St Louis Islip American 12/22/17 12/29/17 2 $558

Cheap Last Minute Flights from St Louis to Islip Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Islip. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
6 7 8 9 10 11 12
$743
13 14 15 16 17 18 19
$743

Connecting Flights vs Direct Flights from St Louis to Islip Prices shown were found by travelers like you over the past 30 days

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Islip is $546.

The average price for direct flights from St Louis to Islip is not available.

One Way Flights vs Round Trip Flights from St Louis to Islip Prices shown were found by travelers like you over the past 30 days

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Islip. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Islip is not available.

The average price for round trip flights from St Louis to Islip is $556.

St Louis to Islip Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Islip?
Answer: Philadelphia, PA

Airlines in St Louis flying to Islip Last modified: Jul 25, 2017 3:07 -04:00Number of routes searched: 9Number of itineraries searched: 2,861

Wondering which airlines fly out of St Louis to Islip? We've gathered the average price of St Louis airlines with flights to Islip. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

St Louis to Islip
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL
American CLT / PHL
American DCA / PHL
American DFW / PHL
American LGA / PHL

St Louis to Islip Airports

These are the major commercial airports we're currently monitoring in St Louis and Islip. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from St Louis to Islip