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Cheap flights from Islip, New York to San Francisco from $187

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 San Francisco departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
2:45 pm - 12:25 am
ISP
-
OAK
12h 40m
2 stops
Southwest Logo
7:40 pm - 8:20 am
OAK
-
ISP
9h 40m
2 stops
$585Southwest
Sat, Jul 11 - Wed, Jul 15
Southwest Logo
4:40 pm - 11:20 pm
ISP
-
OAK
9h 40m
2 stops
Southwest Logo
5:10 am - 5:20 pm
OAK
-
ISP
9h 10m
2 stops
$859Southwest
Tue, Jun 30 - Mon, Jul 6
Southwest Logo
4:40 pm - 11:20 pm
ISP
-
OAK
9h 40m
2 stops
Southwest Logo
11:55 pm - 11:50 am
OAK
-
ISP
8h 55m
2 stops
$872Southwest
Tue, Jun 30 - Sun, Jul 5
Multiple Airlines Logo
2:11 pm - 2:10 pm
ISP
-
OAK
26h 59m
2 stops
Multiple Airlines Logo
6:22 am - 11:00 am
OAK
-
ISP
25h 38m
2 stops
$1,375Multiple Airlines
Wed, Jul 1 - Sat, Jul 4
Multiple Airlines Logo
2:11 pm - 2:10 pm
ISP
-
OAK
26h 59m
2 stops
Multiple Airlines Logo
8:10 pm - 8:15 pm
OAK
-
ISP
21h 05m
2 stops
$1,487Multiple Airlines
Wed, Jul 1 - Sun, Jul 5

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Southwest flights from Islip, New York to Oakland, California

Our best Southwest deals on Islip, New York to Oakland, California flight tickets
Southwest
Jul 11
ISP2:45 pmIslip Long Island
12h 40m
2 stops
OAK12:25 amOakland
Jul 15
OAK7:40 pmOakland
9h 40m
2 stops
ISP8:20 amIslip Long Island
$585
Southwest
Jun 30
ISP4:40 pmIslip Long Island
9h 40m
2 stops
OAK11:20 pmOakland
Jul 6
OAK5:10 amOakland
9h 10m
2 stops
ISP5:20 pmIslip Long Island
$859
Southwest
Jun 30
ISP4:40 pmIslip Long Island
9h 40m
2 stops
OAK11:20 pmOakland
Jul 5
OAK11:55 pmOakland
8h 55m
2 stops
ISP11:50 amIslip Long Island
$872

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Oakland, California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 20, 2026.
Use the filters below to find and compare flights from Islip, New York to Oakland, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Sat 7/11

2:45 pm-12:25 am

2 stops12h 40m

Oakland

Wed 7/15

7:40 pm-8:20 am

2 stops9h 40m

$585

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Tue 6/30

4:40 pm-11:20 pm

2 stops9h 40m

Oakland

Mon 7/6

5:10 am-5:20 pm

2 stops9h 10m

$859
Quickest round-trip

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Tue 6/30

4:40 pm-11:20 pm

2 stops9h 40m

Oakland

Sun 7/5

11:55 pm-11:50 am

2 stops8h 55m

$872

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Wed 7/1

2:11 pm-2:10 pm

2 stops26h 59m

Oakland

Sat 7/4

6:22 am-11:00 am

2 stops25h 38m

$1,375

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Wed 7/1

2:11 pm-2:10 pm

2 stops26h 59m

Oakland

Sun 7/5

8:10 pm-8:15 pm

2 stops21h 05m

$1,487
Cheapest one-way

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Wed 8/19

6:05 am-1:10 pm

2 stops10h 05m

$187
Quickest one-way

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Tue 6/30

4:40 pm-11:20 pm

2 stops9h 40m

$494

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Tue 8/4

10:00 am-2:10 pm

2 stops31h 10m

$608

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Sun 7/5

10:50 am-7:05 pm

2 stops11h 15m

$651

IslipOakland

ISP - OAK

ISPOAK

Islip Long Island

Sun 8/2

5:29 pm-10:41 pm

2 stops32h 12m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Islip, New York to Oakland, California

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 airline that flies from Islip Long Island to Oakland?

Southwest is the most popular carrier operating from Islip Long Island to Oakland

What airlines fly to Oakland, California?

United Airlines, Alaska Airlines and JetBlue are the top three most popular airlines that fly to Oakland, California from Islip, New York according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Oakland, California. Keep in mind that there are 9 different airlines that fly to Oakland, California on a routine basis, so you have a few additional options to choose from.

When to book flights from Islip, New York to Oakland, California

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Oakland, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Oakland, California (ISP to OAK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Oakland, California

Fastest flight time

10h 40m

Direct flights

None
The fastest flight from Islip, New York to Oakland, California takes 10h 40m
There are no direct flights from Islip, New York to Oakland, California. There are no popular flight routes from Islip, New York to Oakland, California.
Search flight deals

Frequently asked questions about flying from Islip, New York to Oakland, California

  • How far is Islip Long Island to Oakland by plane?

    Islip Long Island and Oakland are 2596.1 mi apart from one another. 10h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Islip Long Island Airport to Oakland Airport?

    Prices for flights from Islip Long Island Airport to Oakland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Oakland 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 Islip Long Island Airport to Oakland Airport.

  • What documentation or ID do you need to fly to Oakland Airport?

    The travel and health documents you'll need for your trip to Oakland 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 Oakland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Oakland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Oakland. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Oakland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Oakland from Islip with this policy.

How can momondo help me find flights from Islip to Oakland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oakland from Islip.

I’m not ready to book a flight from Islip to Oakland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Oakland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oakland and let you know when they change.

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