Cheap Flights from Westchester County to San Francisco International

Compare Westchester County to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Westchester County Airport to San Francisco International Airport

Looking for a cheap last-minute deal or the best return flight from Westchester County Airport to San Francisco International Airport? If you want to travel next month, return fares start from R 5,654. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Westchester County to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Westchester County to San Francisco International flights are currently cheapest in April.

White Plains to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundR 2,860
Cheapest month to flyApril

Finding cheap flights from Westchester County to San Francisco International: Frequently asked questions

The best price we found for a return flight from Westchester County to San Francisco International is R 5,654. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Westchester County to San Francisco International. But we found flights with one or more stops from R 5,654.
As of March 2026, there are no flights flying from Westchester County to San Francisco International.
The cheapest month to fly from Westchester County to San Francisco International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Westchester County Airport to San Francisco International Airport on Thursday, 16 April 2026.
No airlines currently offer direct flights between Westchester County Airport and San Francisco International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, American Airlines offers the cheapest flight tickets to San Francisco International.

Flying from Westchester County Airport (HPN) to San Francisco International Airport (SFO): what you need to know

  • To ensure you get on your HPN to SFO flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months such as August, it's best to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during a peak period in general.

  • Consider adding a stopover when booking your ticket from Westchester County Airport to San Francisco International Airport. Simply uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Here's where you can stop between HPN and SFO:

    • Detroit Metropolitan Wayne County Airport

    • O'Hare International Airport

    • Ronald Reagan National Airport

How to find the cheapest flights from Westchester County Airport (HPN) to San Francisco International Airport (SFO)

  • R 2,860 is currently the lowest price for a one-way Westchester County Airport to San Francisco International Airport flight. A return flight starts at R 5,654. These prices may change depending on availability and demand.

  • Don't wait until the last moment. You're more likely to find cheap tickets from HPN to SFO if you book early. Airlines often offer some amazing early bird rates.

  • Finding cheap flights from Westchester County Airport to San Francisco International Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' search tool to see the lowest fares across the month and snap up a great deal.

  • There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll update you the moment the price changes on cheap flights from HPN to SFO.

  • Tailor your trip with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Westchester County Airport to San Francisco International Airport.

Handy information about Westchester County Airport (HPN)

  • You'll find HPN at 240 Airport Road, Suite 202.

  • 74.52% of flights that take off from Westchester County Airport arrive at their destination on schedule.

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is approximately 21 kilometres from central San Francisco. Driving there takes about 20 minutes.

  • Getting to the centre by public transport takes roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • It's time to work out your travel dates for your flight from Westchester County Airport to San Francisco International Airport. August is the most popular month to head to San Francisco. If you're after a more laid-back vibe, go in February.

  • Lock in your flight from Westchester County Airport to San Francisco International Airport for September if you want to go to San Francisco during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 22ºC (72ºF).

  • Look for cheap tickets from HPN to SFO in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 6ºC (43ºF) and 16ºC (61ºF) on average.

Explore more of United States

  • San Francisco has its own special appeal, but there are so many other parts of United States you should also see. About 64 kilometres south-east of San Francisco, a trip to San Jose will keep your itinerary packed. Start with popular sights like Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.

  • If you're interested in discovering another corner of United States, head for Fresno, about 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.