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San Diego

$204+ Cheap flights from Hamilton, ON (YHM) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SAN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Hamilton to San Diego

Cheapest flights from Hamilton to San Diego
Explore the most affordable flight options available from Hamilton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Mon 5/43:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 1/27$352
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 5/63:30 pm
SAN
-
YHM
1 stop22h 40m
WestJet
Deal found 1/25$398
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Mon 7/62:05 pm
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 1/24$457
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Mon 4/273:30 pm
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 1/25$466
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:10 pm
YHM
-
SAN
1 stop19h 20m
WestJet
Sat 7/42:05 pm
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 1/26$469
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Sat 5/163:30 pm
SAN
-
YHM
1 stop22h 40m
WestJet
Deal found 1/25$471
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Tue 7/142:05 pm
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 1/26$602
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:10 pm
YHM
-
SAN
1 stop22h 10m
WestJet
Mon 9/72:05 pm
SAN
-
YHM
1 stop24h 05m
WestJet
Deal found 1/24$603
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:10 pm
YHM
-
SAN
1 stop23h 00m
WestJet
Tue 5/193:30 pm
SAN
-
YHM
1 stop22h 40m
WestJet
Deal found 1/26$610
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Wed 3/412:35 pm
SAN
-
YHM
1 stop25h 41m
WestJet
Deal found 1/26$619
This WestJet deal was found by Cheapflights users on 1/26. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Wed 3/412:35 pm
SAN
-
YHM
1 stop25h 41m
WestJet
Deal found 1/26$636
This WestJet deal was found by Cheapflights users on 1/25. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/86:10 pm
YHM
-
SAN
1 stop20h 37m
WestJet
Sun 3/1510:00 am
SAN
-
YHM
2 stops28h 16m
WestJet
Deal found 1/25$640

Find flight deals from Hamilton to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hamilton (YHM) 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$352
(oojo)

One-way from

$204
(oojo)

Popular in

May

Cheapest in

October

Average price

$520
Provider with most accurate pricing for Hamilton-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hamilton-San Diego flights.
Search Deals
From Hamilton to San Diego
Search Deals
One-way flight from Hamilton to San Diego
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hamilton 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 January 27, 2026.
Use the filters below to find and compare flights from Hamilton to San Diego that are best for you.

Fly from

Hamilton

Fly to

San Diego

Route

Depart

Return

Price

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Mon 4/27

6:10 pm-2:10 pm

1 stop23h 00m

San Diego

Mon 5/4

3:30 pm-5:15 pm

1 stop22h 45m

$352

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 4/23

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Mon 4/27

3:30 pm-5:15 pm

1 stop22h 45m

$466

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 3/1

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Wed 3/4

12:35 pm-5:16 pm

1 stop25h 41m

$636

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 3/1

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Thu 3/19

6:15 am-1:21 pm

2 stops28h 06m

$649

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 3/8

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Tue 3/10

11:15 am-5:16 pm

2 stops27h 01m

$662

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 2/26

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Wed 3/4

12:35 pm-5:16 pm

1 stop25h 41m

$800

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 3/5

6:10 pm-11:47 am

1 stop20h 37m

San Diego

Wed 3/11

12:35 pm-5:16 pm

1 stop25h 41m

$841

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 3/12

6:10 pm-6:50 pm

2 stops27h 40m

San Diego

Sun 3/15

6:20 am-5:16 pm

2 stops31h 56m

$852

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 3/5

7:55 pm-11:47 am

2 stops18h 52m

San Diego

Mon 3/9

12:35 pm-1:11 am

1 stop9h 36m

$876

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 4/19

6:10 pm-11:47 am

1 stop20h 37m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Hamilton, Ontario-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hamilton, Ontario-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hamilton, Ontario-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hamilton, Ontario-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub 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 Hamilton, Ontario-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 Hamilton to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Hamilton 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.

Cheapflights Insights

Everything you need to know about your flight from Hamilton to San Diego

What is the cheapest month to book a flight from Hamilton, Ontario to San Diego?

Currently, July is the cheapest month in which you can book a flight from Hamilton, Ontario to San Diego (average of $96). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of $259). 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.

Related info for your journey

Find useful and relevant information for your journey from Hamilton 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 Hamilton, Ontario to San Diego?

    A quick flight from Hamilton, Ontario to San Diego can take about 23h. WestJet provides one of the quickest options available for as low as $352. Hamilton, Ontario and San Diego are separated by a distance of 2133 mi.

  • Can I find deals for flights from Hamilton to San Diego that include hotel bookings?

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

  • How can I find direct flights from Hamilton to San Diego?

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

  • Can I find deals for business class flights from Hamilton to San Diego?

    Yes. Cheapflights offers flight deals from Hamilton 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.

  • What is the cheapest month to book a flight from Hamilton, Ontario to San Diego?

    Currently, July is the cheapest month in which you can book a flight from Hamilton, Ontario to San Diego (average of $96). Flying from Hamilton, Ontario to San Diego in November is currently the most expensive (average of $259). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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