Question 1

What is the cheapest airline to fly from St. John's to San Diego round-trip?

Accepted Answer

Our cheapest airline available from St. John's to San Diego is United Airlines. Our recent data shows that you can find tickets from as low as C$ 418 on this airline.

Question 2

What is the cheapest month to book a flight from St. John's to San Diego?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from St. John's to San Diego (average of C$ 289). Flying from St. John's to San Diego in November is currently the most expensive (average of C$ 390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

What is the cheapest day to fly from St. John's to San Diego?

Accepted Answer

Travelers seeking maximum savings on their St. John's to San Diego flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Question 6

What is the cheapest day to fly round-trip from St. John's to San Diego?

Accepted Answer

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 72% on your flight compared to booking on days when demand is much higher.

Question 7

What is the cheapest time of day to fly from YYT to SAN?

Accepted Answer

When flying from St. John's to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 8

Can I find deals for flights from St. John's to San Diego that include hotel bookings?

Accepted Answer

Yes. In addition to deals on St. John's to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from St. John's to San Diego?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. John's to San Diego.

Question 10

Can I find deals for business class flights from St. John's to San Diego?

Accepted Answer

Yes. Cheapflights offers flight deals from St. John's to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 11

How does Cheapflights help users find flights from St. John's to San Diego?

Accepted Answer

Cheapflights helps you search for flights from St. John's to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 12

Why should you use Cheapflights to find cheap flight tickets from St. John's to San Diego?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. John's to San Diego for you. Better yet — we are completely free to use.

Question 13

Can Cheapflights find flights from St. John's to San Diego with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from St. John's to San Diego with no change fees.

Question 14

Can Cheapflights notify me if prices for flights from St. John's to San Diego become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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

Have a flexible travel schedule? Discover the best time to fly to San Diego from St. John's with our price prediction graph.

Reviews of airlines servicing San Diego

See what other customers who have flown with United Airlines from St. John's to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. John's to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from St. John's to San Diego round-trip?

Can I find deals for flights from St. John's to San Diego that include hotel bookings?

How can I find direct flights from St. John's to San Diego?

Can I find deals for business class flights from St. John's to San Diego?

What is the cheapest month to book a flight from St. John's to San Diego?

Travelling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. John's to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from St. John's to San Diego by cabin class

Find flights from St. John's to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St. John's and San Diego flights

Browse other St. John's and San Diego flight options. Last updated on 28 August 2025.

Other flights from St. John's

Browse through other flights departing from St. John's. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2025.

Popular flight searches

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Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 August 2025.

Top airline flying from St. John's to San Diego

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. John's to San Diego?

Why should you use Cheapflights to find cheap flight tickets from St. John's to San Diego?

Can Cheapflights find flights from St. John's to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from St. John's to San Diego become cheaper?

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Cheap flights from St. John's to San Diego

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

Have a flexible travel schedule? Discover the best time to fly to San Diego from St. John's with our price prediction graph.

Reviews of airlines servicing San Diego

See what other customers who have flown with United Airlines from St. John's to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. John's to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from St. John's to San Diego round-trip?

Can I find deals for flights from St. John's to San Diego that include hotel bookings?

How can I find direct flights from St. John's to San Diego?

Can I find deals for business class flights from St. John's to San Diego?

What is the cheapest month to book a flight from St. John's to San Diego?

Travelling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. John's to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. John's to San Diego

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. John's to San Diego?

Why should you use Cheapflights to find cheap flight tickets from St. John's to San Diego?

Can Cheapflights find flights from St. John's to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from St. John's to San Diego become cheaper?

100% Free

Book with Flexibility

Travel Smart