Cheap Flights from Islay (ILY) to San Francisco (SFO)

Popular airlines from Islay (ILY) to San Francisco Intl. Airport (SFO)

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Flights from Islay (ILY) to San Francisco (SFO)
Origin airport
Islay
Destination airport
San Francisco Intl.
Distance
4981 mi

Islay to San Francisco Flights

The cheapest times to fly from Islay to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islay to San Francisco are during the month of . You can find some of the cheapest flights from Islay to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islay to San Francisco

Sunday is one of the best days to book for cheap flights from Islay to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islay to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islay to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islay to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islay to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Islay Airport (ILY) to San Francisco Intl. Airport (SFO) cost?
Discover the latest flight deals from ILY to SFO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ILY to SFO?
The cheapest flights from ILY to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ILY to SFO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ILY to SFO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Islay Airport (ILY) to San Francisco Intl. Airport (SFO)?
Nonstop flights from Islay Airport (ILY) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILY to SFO?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Islay Airport (ILY) to San Francisco Intl. Airport (SFO)?
Opt for a flight from Islay Airport (ILY) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Islay Airport (ILY) to San Francisco Intl. Airport (SFO) last-minute?
Waiting until right before your break to book your flight from ILY to SFO generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book an ILY to SFO flight and hotel package?
Compared with arranging hotels and flights separately, booking an ILY to SFO flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Islay Airport (ILY) to San Francisco Intl. Airport (SFO)?
Typically, you're able to cancel or reschedule your ILY to SFO flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.