C$ 44+ Cheap flights from San Diego
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
What to know about flights from San Diego
Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 September 2025.
Cheapest one-way flight | C$ 74 |
---|---|
Cheapest round-trip flight | C$ 263 |
Cheapest airline | Frontier |
Most popular destination | Vancouver Intl (YVR) |
Good round-trip deal | C$ 124 or less |
Good one-way deal | C$ 75 or less |
Find flights from San Diego
Cheapest flights from San DiegoExplore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 11 September 2025.
Find flights from San Diego within your budget
Fly to
Route
Depart
Return
Price
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Wed 3/12
4:00 p.m.-5:20 p.m.
Nonstop1h 20m
Las Vegas Harry Reid Intl
Sat 6/12
5:40 p.m.-6:50 p.m.
Nonstop1h 10m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 14/10
6:25 a.m.-7:50 a.m.
Nonstop1h 25m
Las Vegas Harry Reid Intl
Tue 21/10
10:45 a.m.-2:20 p.m.
1 stop3h 35m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 7/10
3:20 p.m.-7:10 p.m.
1 stop3h 50m
Las Vegas Harry Reid Intl
Wed 8/10
7:05 a.m.-8:20 a.m.
Nonstop1h 15m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Wed 8/10
6:29 p.m.-7:58 p.m.
Nonstop1h 29m
Las Vegas Harry Reid Intl
Wed 15/10
8:50 a.m.-10:16 a.m.
Nonstop1h 26m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 17/11
6:35 p.m.-8:08 p.m.
Nonstop1h 33m
Las Vegas Harry Reid Intl
Tue 18/11
8:50 a.m.-10:11 a.m.
Nonstop1h 21m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 30/9
6:30 a.m.-10:55 a.m.
1 stop4h 25m
Las Vegas Harry Reid Intl
Sat 4/10
7:50 a.m.-9:10 a.m.
Nonstop1h 20m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Tue 21/10
3:59 p.m.-8:13 p.m.
1 stop4h 14m
Las Vegas Harry Reid Intl
Wed 22/10
4:30 p.m.-5:48 p.m.
Nonstop1h 18m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Mon 3/11
4:00 p.m.-5:20 p.m.
Nonstop1h 20m
Las Vegas Harry Reid Intl
Thu 6/11
6:45 a.m.-10:25 a.m.
1 stop3h 40m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Sun 19/10
8:50 p.m.-10:15 p.m.
Nonstop1h 25m
Las Vegas Harry Reid Intl
Tue 21/10
1:35 p.m.-4:40 p.m.
1 stop3h 05m
San DiegoLas Vegas
SAN - LAS
SANLAS
San Diego
Sun 5/10
7:55 p.m.-9:20 p.m.
Nonstop1h 25m
Las Vegas Harry Reid Intl
Tue 7/10
5:25 a.m.-9:55 a.m.
1 stop4h 30m
Best time to book a flight from San Diego
Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Travel insights for flights from San Diego
Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.
When is the best time to book a flight from San Diego?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Vancouver Intl. Price data was last updated on 29 August 2025.
The price you pay for your flight from San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Diego?
Currently, March is the cheapest month in which you can book a flight from San Diego (average of C$ 97). Flying from San Diego in December will prove the most costly (average of C$ 155). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the cheapest time to fly from San Diego?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Vancouver Intl. Price data was last updated on 7 September 2025.
Those who are seeking the cheapest fare on flights departing from San Diego would be wise to consider leaving during Friday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Wednesday at noon when fares are usually the most expensive.
Which airlines fly from San Diego?
For flights departing from San Diego check dates and pricing for the following: Air Canada, United Airlines, WestJet. These airlines depart to the following popular destinations: Vancouver.
What are popular destinations to fly to from San Diego?
From San Diego you can expect to find greater availability for the following destinations: Chicago (603 flights per day), San Francisco (505 flights per day) and New York (402 flights per day).
What is the cheapest place to fly to from San Diego?
The cheapest city to fly to from San Diego is Las Vegas Harry Reid Intl, with prices starting at C$ 65. Explore other affordable destinations below.
Airline reviews for flights from San Diego
Get insights into the airlines that provide service from San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Diego. In the last 7 days, Cheapflights users made a total of 629,999 searches.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir Canada from San Diego by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Comfort
Entertainment
Overall
Food
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Browse thousands of different options on Cheapflights for your next trip
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Popular international destinations from San Diego
The most popular international flight routes departing from San Diego we’ve come across at this time.
Related info for your journey
Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 11 September 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from San Diego?
Deals for flights from San Diego are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from San Diego?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego.
Can Cheapflights find flights from San Diego with no change fees?
Certainly. Search results for flights from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from San Diego become cheaper?
Yes, Cheapflights offers price alerts on flights from San Diego so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.