How long is the flight from Saint John to San Diego?

United Airlines and Air Canada can get you from Saint John to San Diego in just under 10h 13m. Your travel time can differ by up to 11h 59m. The distance between Saint John and San Diego is about 2834 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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

When flying from Saint John 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.

Most accurate provider : When it comes to deals on Saint John-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Saint John-San Diego flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from St John 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.

$451+ Flights from Saint John to San Diego

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Cheap flight deals from St John to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$451 (United Airlines)

Provider with most accurate pricing for Saint John-San Diego flight deals.

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Provider most trusted by Cheapflights users for Saint John-San Diego flights.

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From Saint John to San Diego

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Best flights from St John to San Diego
Discover carefully curated flight deals from St John to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 26, 2025.

mar. 2/34:15 pmYSJ - SAN

2 stops22h 12mUnited Airlines

vie. 2/62:11 pmSAN - YSJ

2 stops21h 29mUnited Airlines

Deal found 11/25

$451

mar. 2/35:40 amYSJ - SAN

1 stop10h 13mAir Canada

vie. 2/66:05 pmSAN - YSJ

2 stops12h 44mAir Canada

Deal found 11/25

$523

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint John to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnSan Diego

YSJ - SAN

YSJSAN

Saint John

mar. 2/3

4:15 pm-10:27 am

2 stops22h 12m

San Diego

vie. 2/6

2:11 pm-3:40 pm

2 stops21h 29m

$451

Saint JohnSan Diego

YSJ - SAN

YSJSAN

Saint John

mar. 2/3

5:40 am-11:53 am

1 stop10h 13m

San Diego

vie. 2/6

6:05 pm-10:49 am

2 stops12h 44m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Compare providers for flights from St John to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to San Diego in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Saint John-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Saint John-San Diego flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St John to San Diego

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

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Saint John to San Diego?
United Airlines and Air Canada can get you from Saint John to San Diego in just under 10h 13m. Your travel time can differ by up to 11h 59m. The distance between Saint John and San Diego is about 2834 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
Can I find deals for flights from St John to San Diego that include hotel bookings?
Yes. In addition to deals on St John to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St John to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to San Diego.
Can I find deals for business class flights from St John to San Diego?
Yes. Cheapflights offers flight deals from St John 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.

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$451+ Cheap flights from Saint John (YSJ) to San Diego (SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St John to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St John to San Diego

Most accurate provider

Most trusted provider

Round-trip from

Find flight deals from St John to San Diego

Best flights from St John to San DiegoDiscover carefully curated flight deals from St John to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 26, 2025.

Discover carefully curated flight deals from St John to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint John to San Diego that are best for you.

Compare providers for flights from St John to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to San Diego in November.

Best time to book a flight from St John to San Diego

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

Related info for your journey

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

How long is the flight from Saint John to San Diego?

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

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

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

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Best flights from St John to San Diego
Discover carefully curated flight deals from St John to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 26, 2025.