Cheap Flights from Williston to San Diego (ISN-SAN)

Cheap Flights from Williston to San Diego

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Cheap Flights from Williston to San Diego starting at S$ 420

Whether you’re going for a one-way or round-trip to San Diego, we’ve got you covered! Check out these different flight options from Williston below.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Williston to San Diego

These price trend charts carefully monitor and predict how flight prices from Williston to San Diego will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Alternative Routes from Williston to San Diego

Did you know that you can save money and time on an alternative route from Williston to San Diego? Check out some of the different available routes below.

Cheapest
XWA
17:05
20h 43m
1 transfer
SAN
11:48
Williston Basin International Airport - San Diego International Airport
Wed, Feb 12United Airlines
S$ 420
XWA
17:05
20h 43m
1 transfer
SAN
11:48
Williston Basin International Airport - San Diego International Airport
Wed, Feb 12United Airlines
S$ 420
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Williston (ISN) to San Diego (SAN) the cheapest?
Airlines adjust prices for flights from Williston to San Diego based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Williston (ISN) to San Diego (SAN) cost?
According to Trip.com's data, the lowest price is around S$ 980.
What is the transportation method from the main airport to downtown in San Diego?
- The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.
How many airports in San Diego?
There are 2 airports near San Diego: San Diego International Airport and McClellan-Palomar Airport.

How to find a cheap flight from Williston to San Diego

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from Williston to San Diego

Cheapest direct flight price	S$ 420
Off-season for travel	January
Peak season for travel	November
Flight distance	2,057.72km
Popular airline	Delta Air Lines