$223 Cheap Flights from St. John's (YYT) to San Diego (SAN)

View $223 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN)

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Cheap Flights from St. John's to San Diego (YYT-SAN)

Prices were available within the past 7 days and start at $223 for one-way flights and $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Sat, Jul 19 - Sat, Aug 2
YYT
St. John's
SAN
San Diego
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select WestJet flight, departing Sat, Jul 19 from St. John's to San Diego, returning Sat, Aug 2, priced at $363 found 1 day ago
WestJet
Sat, Jul 19 - Wed, Jul 30
YYT
St. John's
SAN
San Diego
$392 Roundtrip, found 1 day ago
$392
Roundtrip
found 1 day ago
Select WestJet flight, departing Sat, Jul 19 from St. John's to San Diego, returning Wed, Jul 30, priced at $392 found 1 day ago
WestJet
Mon, Jul 21 - Sat, Aug 2
YYT
St. John's
SAN
San Diego
$435 Roundtrip, found 1 day ago
$435
Roundtrip
found 1 day ago
Select WestJet flight, departing Mon, Jul 21 from St. John's to San Diego, returning Sat, Aug 2, priced at $435 found 1 day ago
United
Tue, Jul 22 - Fri, Aug 1
YYT
St. John's
SAN
San Diego
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 22 from St. John's to San Diego, returning Fri, Aug 1, priced at $449 found 1 day ago
United
Sat, Jul 19 - Fri, Aug 1
YYT
St. John's
SAN
San Diego
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 19 from St. John's to San Diego, returning Fri, Aug 1, priced at $456 found 1 day ago
Flights from St. John's (YYT) to San Diego (SAN)
Origin airport
St. John's Intl.
Destination airport
San Diego Intl.
Roundtrip price
$362
Distance
3448 mi

St. John's to San Diego Flights

The cheapest times to fly from St. John's to San Diego

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 St. John's to San Diego are during the month of July. You can find some of the cheapest flights from St. John's to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. John's to San Diego

Sunday is one of the best days to book for cheap flights from St. John's to San Diego: 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 St. John's to San Diego

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 St. John's to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $223 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 St. John's to San Diego 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 St. John's to San Diego 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 St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN) cost?
Discover the latest flight deals from YYT to SAN 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 YYT to SAN?
The cheapest flights from YYT to SAN 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 YYT to SAN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from YYT to SAN. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN)?
You'll have to take a flight with a layover if you're traveling from St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from YYT to SAN?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN)?
To reach San Diego Intl. Airport (SAN) on schedule, opt for a flight that takes off from St. John's Intl. Airport (YYT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN) last-minute?
Waiting until just before your departure to book your flight from YYT to SAN generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for a better chance of snagging a bargain.
Is it cheaper to book a YYT to SAN flight and hotel package?
You'll generally save money by securing a YYT to SAN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from St. John's Intl. Airport (YYT) to San Diego Intl. Airport (SAN)?
If you booked your YYT to SAN flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.