$292+ Cheap flights from Saint John (YSJ) to San Diego (SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — SAN
Jan 22 — Jan 291
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 December 23, 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 December 23, 2025.
This Air Canada deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:35 amYSJ - SAN
1 stop10h 18mAir Canada
Mon 4/136:10 pmSAN - YSJ
2 stops25h 42mAir Canada
Deal found 12/21![Air Canada logo]()
$501
Find flight deals from St John to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $501 (Air Canada) |
One-way from | $292 (Air Canada) |
Cheapflights Fare Finder
Customize your flight search to find flights from St John to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Saint John to San Diego that are best for you.
Fly from
St John
Fly to
San Diego
Route
Depart
Return
Price
Saint JohnSan Diego
YSJ - SAN
YSJSAN
Saint John
Thu 4/9
5:35 am-11:53 am
1 stop10h 18m
San Diego
Mon 4/13
6:10 pm-11:52 pm
2 stops25h 42m
$501
Saint JohnSan Diego
YSJ - SAN
YSJSAN
Saint John
Wed 2/4
4:15 pm-12:15 am
2 stops12h 00m
$292
Saint JohnSan Diego
YSJ - SAN
YSJSAN
Saint John
Wed 2/4
5:40 am-8:49 pm
3 stops19h 09m
$331
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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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
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.
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